ON Semiconductor ON
Technology · Semiconductors · Synthos Deep Dive · 2026-07-20
The Overview
onsemi makes the power chips and sensors inside electric cars, factory equipment, energy systems, and — increasingly — the power-delivery guts of AI data centers. Its sales rise and fall in big cycles: they dropped from about $8.3 billion (2022) to $6.0 billion (2025), and are now turning back up — last quarter was the first year-over-year sales increase in two years.
Three things define the setup today. First, the rebuild is visible: profit margins on each chip sold collapsed to 20% at the worst point last year and have already recovered to 38.5%. Second, there is a free lottery ticket: onsemi is a named supplier for NVIDIA's next-generation 800-volt data-center power design, and Wall Street's forecasts include essentially nothing for it — so if it lands, it is pure upside. Third, there is a blemish: for two years running, the January–March quarter has included big write-off charges that pushed official (GAAP) operating profit below zero, even though the cash keeps flowing in. The company's own data can't fully itemize the latest one — we flag it as a must-answer question for the August 3 earnings call.
Our verdict stays Hold. At $88 the stock is only about 8% below what we think it's fairly worth ($95), and this is a stock that swings twice as hard as the market and traded at $45 within the past year. The math genuinely improves if you can buy it in the low-to-mid $70s — that's where we'd get interested.
Here's what our three scores mean in everyday terms:
- Downside Risk 6/10 (a bit elevated). Little debt and strong cash flow, but a very volatile stock, priced richly on today's depressed profits, still showing losses on the official ledger last quarter.
- Growth Quality 5/10 (middling). Profits should more than double by 2028 — but that's a rebound plus share buybacks, not steady compounding, and returns on capital are still weak.
- Exponential Potential 5/10 (moderate). The AI-data-center opportunity is real and not yet in anyone's forecasts — but it doesn't ramp until 2027 at the earliest, and Chinese competitors are coming for the same market.
The one big worry: if car and factory demand rolls over again, the recovery story breaks and the stock has a long way down — the bear case is around $53.
Putting a number on it: our fair-value estimate is $95 against a current price of $72.61 — real upside if our numbers are right.
Our summary metrics
Low leverage (net-debt/EBITDA 0.8×, current ratio 4.9×) but beta 2.01, ~60× trailing on trough earnings, GAAP operating income still negative in the latest quarter on recurring Q1 charges, and a stock that traded at $44.90 within twelve months.
Sharp forward EPS recovery off the trough (FY25 $2.33 non-GAAP → FY28E $5.70, ~35% CAGR) but it is cyclical torque plus buyback shrink, not secular growth; ROE 7.4% / ROIC 5.4% remain soft and FY28 consensus already embeds peak net margins.
Real accelerants — AI-datacenter power >2× YoY, named NVIDIA 800 VDC silicon partner (verified externally 2026-07-19) with both a SiC franchise and a power-stage catalog, and consensus carries no DC-SiC line so any 800V win is upside to numbers built without it — but timing is Kyber 2027 (slip risk to 2028) and China SiC insourcing cuts the other way. A funded option on a cyclical, not a ramp in hand.
What does “fair value” mean?
Fair value is Synthos’s estimate of what one share is worth today, based on our model of the company’s future cash generation and the risks to it. It is not a price target or a prediction of where the stock trades next quarter — it’s the price where we think risk and reward are balanced. Above it, you’re paying for outcomes better than our base case; below it, the market is offering a margin of safety.
The model’s inputs and weightings are proprietary — they’re the product. What we publish is the output, plus an independent, public-math cross-check further down the page (“Check our number”) so you can judge it for yourself.
What do the 5 tiers mean? (Core · Tactical · Watch · Hold · Avoid)
The Road Ahead
What we expect to matter in each window, and the evidence that would prove us wrong.
Short term 0–6 months
Neutral- Driver
- Price $88 sits below a falling 50-DMA ($109) with MACD still negative; RSI has repaired to ~49 from 38 but there is no confirmed uptrend, and the price action is hostage to the 2026-08-03 print — gross-margin trajectory, whether the recurring Q1 charges stop, and any first quantification of DC/AI revenue.
- What we’re watching
- Q2 GM landing in the 38–40% guide with a clean GAAP quarter and a Q3 guide at or above ~$1.63B would firm the base (and can flip the verdict, §12); a miss, a new charge, or a decisive close below the rising 200-DMA (~$73) breaks it.
- Confidence
- Low
Medium term 6–24 months
Tailwind- Driver
- The cyclical up-leg is confirming — Q1'26 was the first YoY revenue growth after two down years, GAAP gross margin has recovered 20.3% → 38.5% in four quarters, and consensus EPS steps $3.09 → $4.30 → $5.70 (FY26E→FY28E) while $1.4B of FCF funds ~$1.4B/yr of buybacks.
- What we’re watching
- A second leg down in auto/industrial demand, gross margin stalling below ~40%, a third consecutive Q1-style charge, or confirmed Kyber slip to 2028 would tilt this window negative; China SiC price pressure showing up in PSG margins is the structural tell.
- Confidence
- Medium
Long term 2+ years
Tailwind- Driver
- Electrification plus AI-datacenter power (800 VDC architectures) is a real multi-year demand layer on top of the EliteSiC EV franchise — but the biggest structural threat runs the same direction: China power-chip suppliers matching or undercutting on trailing edge and China SiC/BYD insourcing (KB voice, Feb 2026) could cap the margin structure the bull case needs.
- What we’re watching
- Evidence of SiC share loss or ASP erosion to Chinese suppliers, EV program insourcing by major customers, or failure of DC/AI revenue to become a disclosed, material line by 2027 would undercut the long thesis.
- Confidence
- Low
Exponential Potential
Real accelerants — AI-datacenter power >2× YoY, named NVIDIA 800 VDC silicon partner (verified externally 2026-07-19) with both a SiC franchise and a power-stage catalog, and consensus carries no DC-SiC line so any 800V win is upside to numbers built without it — but timing is Kyber 2027 (slip risk to 2028) and China SiC insourcing cuts the other way. A funded option on a cyclical, not a ramp in hand.
What could take this further than the base case — and where the market may be underpricing it. Full forward-growth and acceleration math in Deeper analysis, §4 below.
Deeper analysis
Technicals, fundamentals, valuation, and the full expert-claim evidence panel — the detail behind the numbers above.
Reference table
| Street consensus | $110.13 (high $150 / low $62; median $116; 24 Buy · 22 Hold · 1 Sell) — context, not our anchor; high target raised from $140 since 7/3 |
| Valuation | ~60× trailing GAAP EPS (trough-distorted) · 28.5× FY26E · 20.5× FY27E · 15.5× FY28E · EV/S 5.8× · EV/EBITDA 29× TTM · FCF yield 4.2% |
| Technicals | Repairing, not confirmed — $88, −34% off the 52-wk high ($133.93), below falling 50-DMA ($109), above rising 200-DMA ($73), RSI 49, MACD −6.0, +48% 12-mo vs SPY +19% |
| Conviction | Low — 1 tagged KB claim, 14 months old (cyclical-bottom call, since validated); quant/fundamentals call |
| Position sizing | Hold existing ~1–2%; full tactical 2–3% only in the $73–81 buy zone or on the §12 earnings trigger |
What the experts actually said 1 traceable claims on ON · showing the highest-conviction voices
“Power semiconductors (On Semi, Texas Instruments) are going through the roof now that Nvidia is chasing Korean power/shipbuilding partners for power — Jensen is ready to release this and looking for new partners.”
Every claim reconciles to a real claim_id in the Synthos knowledge base — this is the evidence the verdict is built on, not vibes. Management (the company itself) is shown but half-weighted; one cautionary voice is included on purpose.
Price & moving averages 12 months · 50 & 200-day averages · 52-week range
Solid line = price · dashed line = 50-day average · dotted line = 200-day average · the two thin horizontal lines mark the 52-week high and low. Price above both averages is an uptrend.
Data summary: last close $72.61, 18% below the 50-day average ($88), 7% below the 200-day average ($78) — a downtrend. 46% below the 52-week high of $134, 62% above the 52-week low of $45.
Bollinger Bands 20-day average ± 2 standard deviations
The shaded band widens when the stock gets more volatile. Riding the upper edge = strong momentum (sometimes stretched); the lower edge = weak / potentially oversold.
Data summary: price $72.61 is currently inside the band (band $70–$86).
RSI (14) momentum gauge · 0–100
Above 70 (overbought zone, shaded) = overbought, below 30 (oversold zone, shaded) = oversold. Currently 36.
MACD 12 / 26 / 9 · trend & momentum
The MACD line crossing above the signal line (bars flip to the up color) = momentum turning up; crossing below (bars flip to the down color) = turning down. Bar height = the size of that gap.
Data summary: MACD is currently above its signal line by 0.03, positive momentum.
Relative performance vs S&P 500 & its sector (XLK (sector)), set to 100 a year ago
Solid = ON · dashed = S&P 500 · dotted = XLK (sector). A rising line means it is beating that benchmark — the sector line shows whether it is a leader or laggard within its own group.
Forward revenue & earnings actual → estimate · "FY" = fiscal year, "E" = estimate
Darker bars = actual results, brighter = analyst estimates. Taller bars to the right = expected growth.
Key stats an RIA wants
1. What it is
ON Semiconductor (Nasdaq: ON), branded onsemi, is a Scottsdale, AZ-based global supplier of intelligent power and sensing semiconductors — power discretes and modules, analog/mixed-signal ICs, and image sensors handling power switching, energy conversion, signal conditioning, and imaging. Founded 1992; ~22,600 employees per the current FMP profile (the feed listed ~26,400 on 7/3 — consistent with post-restructuring headcount, though we treat the delta as a data-vintage change, not a verified fact); CEO Hassane El-Khoury. End-markets: automotive (EV powertrains via EliteSiC silicon carbide, ADAS sensing), industrial (energy storage, solar, automation), and the fast-growing AI data center power line.
Segments. Three groups — Power Solutions Group (PSG), Analog & Mixed-Signal Group (AMG), Intelligent Sensing Group (ISG). FMP's FY25 segment feed remains incomplete (PSG $2,805M and ISG $928M captured; AMG dropped — same gap flagged on 7/3). The cleaner current mix, from the Q1'26 8-K cited in the prior dive: PSG $736.6M (49%, +14% YoY) — the SiC/power engine; AMG $540.4M (36%, −5%); ISG $236.3M (16%, +1%); total $1,513.3M, +4.7% YoY. For scale on the cycle: PSG peaked at $4,449M in FY23 (FMP segment feed) — the engine segment is still ~35%+ below its own peak.
Geography: FMP's geographic feed reports ship-to hubs (Hong Kong/Singapore/UK) and collapses FY25 to a single "Other" line — unusable; the honest read is global, Asia-weighted demand with auto/industrial as the swing.
The new strategic layer since the last dive: onsemi is on NVIDIA's named partner list (May 2025) for the 800 VDC data-center power architecture, with both a SiC device franchise and a power-stage catalog — one of the few partners with both. Full 800V production is timed to NVIDIA's Kyber rack generation in 2027 (SemiAnalysis, via CNBC 7/6, reports a slip to 2028; NVIDIA denies). (External context, verified via deep research 2026-07-19 — not from the FMP dataset.)
2. The expert thesis — why the panel is bullish (traceable)
The KB picture has changed — barely — since 7/3, when this name had zero coverage. There is now exactly one tagged claim:
- forward_guidance · 2025-05-16 · bullish · conviction 66 — "Analog/robotics-supply-chain semis are calling the cyclical bottom — Microchip's CEO said the March-quarter decline marks the bottom, echoed by Infineon, Regal Rexnord, and [ON Semiconductor]."
Two honest caveats. First, it is 14 months old — a dated bottom-call, not live coverage. Second, it has been validated by the subsequent data: ON's revenue did bottom in Q1'25 ($1.446B) and turned YoY-positive by Q1'26 — which raises our trust in the cycle read but adds nothing about today's price. Breadth is 1 claim from 1 voice; that is not a conviction panel.
Thematic (untagged) context only: a KB voice (no_priors, 2026-06-18, bullish/66) frames GaN/SiC/InP as next-generation power materials — a tailwind to onsemi's category, but it does not name ON, so it is not counted. On the cautionary side, Dylan Patel (KB, Feb 2026) warns China power-chip suppliers are matching or undercutting Western firms on trailing edge, with China SiC/BYD insourcing the structural risk — again thematic, not ON-tagged, and it appears in §8 and §11 with its date.
Net: the verdict below is predominantly fundamentals- and quant-driven. Conviction rating: Low. Street context (not our anchor): consensus target $110.13, median $116, high $150, low $62; 24 Buy / 22 Hold / 1 Sell.
3. Synthos scores & the Bull / Base / Bear cases
The one-glance judgment — three scores, 0–10, each anchored to real metrics (not probabilities we can't honestly calibrate):
| Score | 0–10 | The read |
|---|---|---|
| Downside Risk (lower = safer) | 6 · Elevated | Balance sheet fine — net-debt/EBITDA 0.8×, current ratio 4.9×, cash & ST investments $2.55B vs debt $3.47B. But beta 2.01, ~60× trailing GAAP EPS on a trough base, GAAP operating income negative in the latest quarter (−$53.4M), and a 52-week range of $44.90–133.93 — this stock demonstrated a −34% drawdown and a near-double within twelve months. |
| Growth Quality | 5 · Middling | Consensus EPS $2.33 (FY25 actual, non-GAAP basis) → $3.09 → $4.30 → $5.70 (FY28E) is ~35% CAGR — but it is cyclical torque plus a shrinking share count (implied ~380M by FY28 vs 411M FY25), not secular growth. ROE 7.4%, ROIC 5.4%; FY28 consensus net margin (26.5%) already equals the FY23 peak (26.5%). |
| Exponential Potential | 5 · Moderate | AI-datacenter revenue >2× YoY (Q1'26, prior dive/8-K), named NVIDIA 800 VDC partner with SiC + power-stage catalog, and — the key fact — no source quantifies per-rack content and consensus carries no DC-SiC line, so any 800V win is upside to numbers built without it. Capped: ramp is 2027–28, slip risk is live, and China SiC insourcing attacks the same franchise. |
The three cases (our own scenario model — assumptions shown; each target is a ~12–18-month fair value). We deliberately do not attach probabilities: the base case is the expected path; the cases bound the range.
| Case | Key assumptions | Fair value |
|---|---|---|
| Bull | Recovery accelerates and 800V/DC revenue becomes a disclosed line; FY27E EPS beats toward ~$5.00 (consensus high $5.31) and the market pays a cycle ~26×; equivalently ~20× on an FY28 beat toward the $6.38 consensus high. | ~$130 (+48%) |
| Base (our anchor) | Estimates roughly hit — FY27E EPS ~$4.30 — and a mid-cycle recovering cyclical earns ~22×. Cross-check: $95 = 16.7× FY28E $5.70. No 800V value included — it is a free option at this price. | ~$95 (+8%) |
| Bear | Recovery stalls (auto/industrial second leg down, charges persist); FY27E misses to ~$3.30 and the multiple de-rates to a cycle-trough ~16×. | ~$53 (−40%) |
Testing the asymmetry frame (the editorial question for this refresh): the bull argument runs (a) 2.4× EPS torque at 15.5× the FY28 number, (b) ~10 points of mechanical GM recovery, (c) an unpriced 800V option, (d) a −34% correction already done, giving ~$73–78 downside vs $115–130 upside ≈ 2.5–3:1. Our verdict on the frame, with numbers: right shape, wrong price. (a) is real but leans on a 6-analyst FY28 estimate that embeds peak net margins and a ~380M share count. (b) is mostly already delivered — quarterly GM went 20.3% → 38.5%; from here to a realistic low-40s mid-cycle is ~2–4 points, not 10 (the 10-point framing uses the FY25 annual 32.3% base; 2022's 49% peak was shortage-priced). (c) is genuine and the strongest new element. (d) conflates a technical floor (rising 200-DMA ~$73, ~17× FY27E) with the fundamental bear ($53): from $88, upside to $130 is +$42 vs −$35 to the bear — roughly 1.2:1, not 3:1. Buy the same stock at $75–78 and the math becomes bear −$23 / bull +$53 ≈ 2.3–2.8:1 with the base case alone worth +22–27%. That is why the zone, not the current price, is the trade.
Synthos fair value = the base case, ~$95 (+8%), range $53–$130. Our base sits below the Street's $110 because we haircut the multiple for beta-2 cyclicality and refuse to capitalize an unquantified 800V option. This is a tracked call — the Forecaster Scorecard grades it once it matures.
4. Exponential Potential
Synthos separates compounders from exponentials. onsemi remains a recovering cyclical with exponential product lines bolted on — but the option leg is better-defined than it was on 7/3:
- Forward growth: consensus revenue $6.48B (FY26E) → $7.21B (FY27E) → $8.17B (FY28E), a ~12.3% CAGR; EPS $3.09 → $5.70, ~36% CAGR — trough-leverage plus buybacks, not a secular ramp. FY28E revenue only returns to the FY23 level ($8.25B).
- The 800V option (new, external — verified 2026-07-19): onsemi is a named NVIDIA 800 VDC silicon partner (May 2025 list), one of few with both a SiC device franchise and a power-stage catalog. Full production is timed to Kyber 2027 (reported slip to 2028 — SemiAnalysis via CNBC 7/6 — denied by NVIDIA). No public source quantifies per-rack dollar content for any partner, and the consensus model above is an auto/industrial recovery model with no DC-SiC revenue line — so any 800V win is upside to numbers built without it. We deliberately leave it out of the base FV; at $88 you are not paying for it.
- Acceleration: positive at the line level (AI-DC >2× YoY, +30% sequential in Q1'26; PSG +14% YoY — prior dive/8-K), still negative at the franchise level (total revenue −28% below the 2022 peak of $8.33B).
- The counter-option (China): the same SiC/power market is the target of Chinese insourcing (BYD) and trailing-edge price competition (KB voice, Feb 2026). The option leg and the threat leg point at the same P&L line.
- Reinvestment: capex has collapsed to $341M FY25 (5.7% of revenue, vs $1.54B in FY23) — great for FCF, but it also says the heavy-investment growth phase is behind, and capacity leadership in SiC is now something rivals can buy.
Exponential Potential: Moderate (5/10) — unchanged in score, upgraded in specificity: the option is now named, dated, and verifiably unpriced; the offsets (timing, slip risk, China) are equally concrete.
5. Financials (real numbers — FMP annual/quarterly, pulled 2026-07-20)
- Revenue: FY25 $5.995B, −15.4% (FY24 $7.08B, FY23 $8.25B, FY22 peak $8.33B — cumulative −28% peak-to-trough). Quarterly: Q1'25 $1,445.7M → Q2 $1,468.7M → Q3 $1,550.9M → Q4 $1,530.1M → Q1'26 $1,513.3M (+4.7% YoY — the first YoY growth after two down years).
- Gross margin (the recovery spine): GAAP quarterly 20.3% (Q1'25) → 37.6% → 37.9% → 34.9% (Q4'25) → 38.5% (Q1'26). FY25 annual 32.3% vs the 49.0% FY22 peak. Note Q4'25's dip to 34.9% — the rebuild is not monotonic. Management's Q2'26 guide: non-GAAP GM 38–40%.
- The Q1 charges (investigated honestly): GAAP operating income was −$573.7M in Q1'25 and −$53.4M in Q1'26 — negative in the seasonally first quarter two years running even as Q1'26 gross margin hit 38.5%. The arithmetic: Q1'26 gross profit $583.1M less a ~$295M/qtr R&D+SG&A run-rate implies roughly $340M of other operating charges (restructuring/impairment/amortization) that the FMP dataset does not itemize. What the file does show: FY25 cash flow carries $653.5M of "other non-cash items" added back, income quality (OCF/net income) runs 2.4×, and FY25 equity fell $8.80B → $7.67B — all consistent with large, predominantly non-cash write-offs rather than cash restructuring. Non-GAAP EPS was positive both quarters ($0.55 Q1'25, $0.64 Q1'26, both beats). We cannot fully explain the Q1'26 charge from this dataset — that is a flagged, must-answer item for the 2026-08-03 call (§10). Two consecutive years of "one-time" Q1 charges is a pattern, and a third would move our risk score.
- Earnings: FY25 GAAP net income $121M / EPS $0.29 (charge-distorted); FY25 consensus-basis EPS $2.33; TTM net income/share $1.46. TTM margins: gross 37.2%, EBITDA 20.1%, net 9.5%.
- Cash flow (the trough-proof): FY25 operating CF $1.76B, capex −$341M, FCF $1.42B — positive straight through the worst revenue year, FCF yield now 4.2%. Buybacks $1,377.6M in FY25 (~97% of FCF) plus $377M of debt paydown; $346M repurchased in Q1'26 alone (~160% of that quarter's FCF — prior dive/8-K).
- Balance sheet: cash & ST investments $2.55B, total debt $3.47B, net debt $1.32B, net-debt/EBITDA 0.8×, current ratio 4.9×. Leverage is not the risk.
- Data caveat: FMP's FY25 annual operating income ($747.6M) does not reconcile with the sum of quarters ($137.1M) — the feed classifies the Q1'25 impairment differently at annual vs quarterly level. We rely on the quarterly statements and cash flow, and flag the feed inconsistency here.
6. Valuation — priced in or room?
At $88.06 the multiples are: ~60× trailing GAAP EPS (trough-distorted — treat as a flag, not a valuation), 28.5× FY26E ($3.09) → 20.5× FY27E ($4.30) → 15.5× FY28E ($5.70), EV/S 5.8×, EV/EBITDA 29× TTM, price/FCF ~24×.
What 17 days changed: price −3.5% ($91.22 → $88.06) while estimates held essentially flat (FY26E $3.08→$3.09, FY27E $4.28→$4.30, FY28E $5.79→$5.70) — so the stock got modestly cheaper against an unchanged earnings path. The reverse read moved accordingly: at a mid-cycle ~22×, today's price implies ~$4.00 of EPS — now slightly below the FY27 consensus of $4.30, versus 7/3 when the price demanded essentially the full number. The market has gone from pricing the recovery fully to pricing ~93% of it. Progress, not a bargain.
Honest cross-checks, both directions. For the bulls: 15.5× FY28E is genuinely cheap if $5.70 lands — but that estimate rests on only 6 EPS analysts (vs 20 for FY26), embeds a 26.5% net margin equal to the FY23 peak, and assumes buybacks shrink the count to ~380M shares. For the bears: on EV/EBITDA the stock screens fuller than on P/E — ~15.9× FY27E EBITDA ($2.22B) against a 12–14× mid-cycle band for analog/power semis implies $63–74/share, one reason we resist rounding our FV up despite the 800V option. The P/E path flatters via an 11% effective tax rate and the buyback.
Street (context): consensus $110.13 (was $109), median $116, high $150 (raised from $140), low $62; 24 Buy / 22 Hold / 1 Sell (one Buy became a Hold since 7/3). FMP letter rating B−, P/E sub-score 1/5. Bottom line: fairly valued at $88 — cheap only in the $73–81 zone or on an estimate-raising print.
7. Technicals (from the tech block)
- Trend: still unconfirmed. $88.06 sits below the 50-DMA ($109.17, falling — it was $110.69 on 7/3) and above the 200-DMA ($73.34, rising — from $71.04). The averages are converging on the price from both sides; no trend signal yet.
- Location: −34.2% off the 52-week high ($133.93), +96.2% off the low ($44.90) — the correction has deepened slightly since 7/3 (−31.9% then). Max drawdown from peak equals the current drawdown: the stock is at its correction low zone, not bouncing from above it.
- Momentum: RSI(14) 49.4 — repaired from 37.6 on 7/3, the oversold condition is worked off without a price rally (constructive divergence). MACD −6.0, still negative and slightly worse than 7/3's −4.9.
- Relative strength: +48.2% 12-mo vs SPY +18.7% / QQQ +24.8% (the 12-mo figure compressed from +70% on 7/3 as strong base months roll off); 3-mo +6.1% vs SPY +5.0% — the price action has gone from big outperformance to market-line.
- Read: a coiling consolidation between a rising 200-DMA (~$73) and a falling 50-DMA (~$109), momentum neutral. Supports Hold-and-stalk: the $73–81 zone is where technical support (rising 200-DMA) and valuation support (~17–19× FY27E) coincide; a reclaim of the 50-DMA on a clean print is the momentum-confirmation alternative.
8. Moat & competitive position
Moat: moderate, not wide — unchanged. Edges: (1) the EliteSiC silicon-carbide franchise (EV powertrains, now 800V datacenter power) with capacity and automotive qualification barriers; (2) breadth across power discretes, analog, sensing with long auto design-in cycles (Geely, NIO, a North American OEM — prior dive/8-K); (3) the dual SiC + power-stage catalog position on NVIDIA's 800 VDC list, which few partners have (external, 2026-07-19). Against it: power/analog semis are competitive and partly commoditized, ROIC is 5.4% at this point in the cycle, and — the sharpest new framing since 7/3 — the China vector: a KB voice (Dylan Patel, Feb 2026) argues China power-chip suppliers are matching or undercutting on trailing edge, and China SiC/BYD insourcing is the biggest structural risk to margins in exactly the franchise the bull case leans on. A moat that is real in qualification and capacity, and under active siege on price.
Peer set: FMP's supplied list remains a poor comp set (CDW, Check Point, SS&C, Tyler, Toast, Jacobs are not power-semi peers). Usable names in it: STMicroelectronics ($55.7B) — the closest direct comp — plus GLOBALFOUNDRIES ($31.6B), UMC ($51.4B), Entegris ($20.8B). The true frame is STM, Infineon, Texas Instruments, and the Chinese SiC entrants; ON's forward premium to STM is justified only if the SiC/AI-power mix wins share at defended prices.
9. Management, capital allocation & guidance
- Capital allocation: buyback-heavy — $1,377.6M repurchased in FY25 (~97% of FCF) plus $376.7M net debt paydown; $346M more in Q1'26 (~160% of quarterly FCF — prior dive/8-K). No dividend. Sustained repurchase near/above 100% of FCF into a cyclical recovery is defensible only while the recovery holds — it remains on our watch list.
- Insider activity (through 2026-07-02): routine. The window shows director annual equity awards (2026-05-14/18), a small tax-withholding disposition by the AMG & ISG group president at $127 (May), a Form 3 for the newly appointed PSG group president (Achyut Shah, May — a leadership change in the key segment worth knowing), and a 116-share director award at $91.22 (2026-07-02). No discretionary open-market buying or selling of note.
- Guidance (management's book, half-weighted): from the Q1'26 8-K (2026-05-04, carried from the prior dive): Q2'26 revenue $1,535–1,635M, non-GAAP GM 38–40%, non-GAAP EPS $0.65–0.77; "moved beyond the cyclical trough." The Street's $0.71 / $1,588M sits mid-guide. Track record check from the earnings calendar: four consecutive non-GAAP EPS results at or above estimates (Q2'25 $0.53 in-line; Q3'25 $0.63 vs $0.59; Q4'25 $0.64 vs $0.62; Q1'26 $0.64 vs $0.61) — modest, consistent beats.
10. Catalysts & what to watch
Next earnings: 2026-08-03 (Q2'26). The five things to listen for, in order:
1. Gross-margin trajectory — Q2 landing in the 38–40% guide and, more important, a Q3 guide pointing at 40%+; utilization commentary tells you how much "mechanical" recovery is left.
2. First quantification of DC/AI revenue — any dollar disclosure, per-rack content color, or Kyber timing detail. This is the swing item: it converts the free option into an underwritable line (and tests the reported 2028 slip).
3. Do the charges stop? A clean GAAP quarter — no new restructuring/impairment — after two charge-laden Q1s. Ask what the Q1'26 ~$340M of below-gross-line operating charges was; the filing data we hold cannot itemize it.
4. Auto/industrial demand breadth — AMG turning positive YoY would broaden a recovery currently carried by PSG; China EV order commentary (Geely, NIO) and any mention of SiC pricing pressure.
5. Buyback pace vs FCF and the balance-sheet absorption of it.
Standing catalysts: NVIDIA Kyber/800V timeline news (either direction); China SiC pricing/insourcing datapoints; monthly auto production/EV incentive news.
Thesis tripwires (unchanged in spirit from 7/3, now pre-registered as flip/kill conditions in §12): two consecutive sequential revenue declines; GM back below ~35%; a third consecutive Q1-style charge; AI-DC growth stalling; a decisive close below the 200-DMA (~$73) on fundamentals.
11. Key risks
- Cyclicality + beta 2.01 (dominant): revenue fell 28% peak-to-trough and the stock traded $44.90–$133.93 within one year. If auto/industrial demand takes a second leg down, the $53 bear is the path, and technical floors will not hold it.
- China SiC / trailing-edge pricing (structural, new emphasis): KB voice (Feb 2026) — Chinese suppliers matching/undercutting on trailing edge; BYD-style SiC insourcing attacks the EliteSiC margin structure directly. This is the risk that outlives the cycle.
- The recurring Q1 charges: two consecutive years of large "one-time" operating charges (−$574M, then −$53M op income) that our dataset cannot fully itemize. Mostly non-cash so far (FCF stayed positive), but a pattern that erodes GAAP credibility until it stops.
- 800V timing/slip: the option is timed to Kyber 2027; SemiAnalysis (via CNBC 7/6) reports a 2028 slip, NVIDIA denies. A confirmed slip delays the only unpriced upside leg. And no partner's per-rack content is quantified anywhere — the option cannot yet be underwritten, only owned cheaply.
- Estimate fragility at the far end: FY28E $5.70 rests on 6 analysts, peak-equal net margins, and a ~380M share count. The 15.5× headline multiple is only as good as that number.
- Valuation on EV metrics: 15.9× FY27E EV/EBITDA vs a 12–14× mid-cycle band — the P/E lens is the friendliest one; others are fuller.
- Buybacks above FCF into a cyclical recovery, and near-zero live expert coverage (one 14-month-old tagged claim) — the thesis rests on fundamentals and quant.
12. Verdict, position sizing & monitoring
Hold — unchanged from 2026-07-03, re-underwritten rather than re-anchored. The fresh evidence moved toward the bull: first YoY revenue growth, GM at 38.5% with a 38–40% guide, estimates flat while price fell 3.5%, RSI repaired without a rally, a validated (if stale) KB bottom-call, and a verified, consensus-unpriced NVIDIA 800V partner slot. We considered Buy — Tactical and declined it on three numbers: +8% to our $95 base is not tactical-buy compensation for a beta-2.01 name whose fundamental bear is −40%; the celebrated GM recovery is ~80% delivered at the quarterly level (20.3% → 38.5%, vs a realistic low-40s mid-cycle); and GAAP operating income was negative last quarter on charges our data cannot itemize. The editor's 2.5–3:1 asymmetry frame is right about the shape of this trade and wrong about the price — at $88 the risk/reward vs the fundamental bear is ~1.2:1; at $75–78 it is 2.3–2.8:1 (§3).
Entry guidance (explicit zones):
- Buy zone: $73–81. Bottom = rising 200-DMA ($73.3) ≈ 17× FY27E; top = 19× FY27E ($81.7), the level below which the prior dive said it "gets interesting." In this zone a 2–3% tactical position is warranted; base case +17–30%, bull +59–78%, bear −27–35%.
- At $88 (current): hold existing ~1–2%; new money limited to a starter (≤1%) at most, with adds reserved for the zone or the trigger below.
- Momentum alternative: a reclaim of the 50-DMA (~$109) on a clean, estimate-raising print — valid but pays up ~24%; we prefer the zone.
Pre-registered flip conditions (upgrade to Buy — Tactical): EITHER (1) price enters $73–81 with the 200-DMA still rising and no tripwire tripped; OR (2) the 2026-08-03 print clears all three bars: Q2 GM ≥39% with Q3 guided toward 40%+, a first explicit DC/AI revenue quantification (or firm Kyber-2027 confirmation), and a clean GAAP quarter (no new charges) with Q3 revenue guided ≥ ~$1.63B — in which case our base moves toward ~$105 (22× an FY27/28 blend) and the upgrade prints even at high-$80s.
Pre-registered kill conditions (downgrade to Avoid/Sell): two consecutive sequential revenue declines; GM back below ~35%; a third consecutive quarter-one-style charge or any new impairment; a decisive weekly close below the 200-DMA (~$73) accompanied by estimate cuts; or confirmed Kyber slip to 2028 combined with softening auto demand. Any of these points the stock toward the $53 bear and takes precedence over the buy zone.
- Monitoring: formal re-score at the 2026-08-03 print; §10 tripwires continuously. This verdict is logged as a tracked Synthos call as of 2026-07-20 at $88.06.
- Single biggest risk: the cyclical recovery stalls — with the structural China-SiC threat as the risk that would keep us out even at technically attractive prices.
Provenance & disclosures
- Traceability: 1 tagged KB claim, breadth 1 — forward_guidance, 2025-05-16, bullish/66 (cyclical-bottom call naming ON among Microchip/Infineon/Regal Rexnord), cited in §2 with its age (14 months) stated plainly. Thematic, untagged KB context (GaN/SiC materials 2026-06-18; China power-semi risk, Feb 2026) is labeled as such and not counted. The verdict is predominantly fundamentals- and quant-driven. Fabricated conviction is structurally impossible (claim-ID reconciliation).
- Data as-of: fundamentals 2026-04-03 (Q1'26) · estimates & prices 2026-07-20 (FMP pull,
scripts/deepdive/v800_data/ON_data.json) · management guidance from the Q1'26 8-K (2026-05-04), carried from the 2026-07-03 dive. Forward figures are analyst consensus (FMP) or management guidance, labeled as estimates. 800V/NVIDIA partner facts and the Kyber timing dispute are external, verified via deep research 2026-07-19 and labeled inline; the SemiAnalysis 2028-slip report (via CNBC 7/6) is contested by NVIDIA. - Data caveats: FMP's FY25 annual operating income does not reconcile with the quarterly sum (charge classification differs; we rely on quarterlies + cash flow); the Q1'26 ~$340M of operating charges cannot be itemized from this dataset and is flagged as an open question for the 2026-08-03 call; segment (FY25 AMG dropped) and geographic feeds remain incomplete/misleading; the supplied peer list mixes in non-semiconductor names; trailing P/E is trough-distorted. All flagged inline where used.
- Management caveat: onsemi's guidance is management's own book, half-weighted by design.
- Prior version note: this refresh re-underwrites the 2026-07-03 dive (Hold, FV ~$95 at $91.22). Verdict and FV are retained on fresh evidence, not carried forward by inertia; the changes (price, estimates, KB, 800V verification, technicals) are itemized in §6, §7 and §12.
- Not investment advice. Independent research, educational and informational only, never personalized. Hypothetical/forward figures are labeled; the only performance numbers Synthos will headline are the live, real-money Flagship's.
- Version: 2026-07-20. Prior versions available via the deep-dive version dropdown ("based on the info at the time").