ASE Technology Holding
Back-end manufacturing services: paid per-unit for packaging, interconnect/substrate, wafer probe and final test (ATM segment) plus contract electronics manufacturing (EMS, via Universal Scientific Industrial/USI). Capital-intensive, foundry-adjacent; revenue tracks unit volumes, package complexity (LEAP/fan-out/2.5D) and utilization.
- 2026-08-04This market capitalisation previously read ~$96B (as of 2026-07-06). Restated to ~$79B on this refresh, roughly 18% lower.
Sources — 12 figures with citations
- Q2 2026 net revenuesfiled2026-06-30 (released 2026-07-30)NT$191,064M (+26.7% YoY, +10.0% QoQ); ~US$6.05B at NT$31.6/USDsec.gov — Form 6-K, Q2 2026 unaudited results press release (Taiwan-IFRS). USD conversion uses the NT$31.6/USD Q2 rate stated in the company's own Q3 outlook slide.
- Q2 2026 consolidated gross margin / operating margin / net incomefiled2026-06-30GM 21.0% (NT$40,150M); OM 11.1% (NT$21,134M); net income attributable to parent NT$21,068M; basic EPS NT$4.80 (US$0.304/ADS), diluted NT$4.61sec.gov — Form 6-K Q2 2026 earnings presentation, 'Consolidated Statements of Income Quarterly Comparison'. Prior-period comparatives in the same table: GM 20.0% Q1'26, 17.0% Q2'25.
- ATM segment Q2 2026 revenue and marginsfiled2026-06-30NT$126,148M (+36.3% YoY, +12.2% QoQ); gross margin 27.3%; operating margin 15.7%. EMS NT$65,789M (+11.9% YoY), GM 8.9%, OM 2.4%sec.gov — ATM and EMS Statements of Income tables in the Q2 2026 presentation.
- Q2 2026 equipment capital expendituresfiled2026-06-30US$1,695M (US$840M packaging, US$804M testing, US$49M EMS, US$2M materials/other). 1H2026: machinery US$2.7B + building/facility/automation US$1.4Bsec.gov — Liquidity and Capital Resources section of the press release; the 1H machinery/building split is from the '1H2026 Recap & 2026 Outlook' slide of the presentation.
- Balance sheet and leverage at 2026-06-30filed2026-06-30Total interest-bearing debt NT$306,230M; cash NT$91,292M; current financial assets NT$16,081M; total equity NT$419,197M; net-debt/equity 0.47 (0.40 at 2026-03-31); quarterly EBITDA NT$45,779Msec.gov — 'Key Balance Sheet Items & Indices' slide. Net debt derived: 306,230 - 91,292 - 16,081 = NT$198,857M, which reproduces the company's stated 0.47 ratio against NT$419,197M equity (198,857/419,197 = 0.474).
- Q3 2026 and FY2026 guidancefiled2026-07-30Q3: consolidated revenue +21-22% QoQ (NTD), GM 20.5-21.5%, OM 11.5-12.5%; ATM revenue +11-13% QoQ with GM 28-29%; EMS revenue +~40% QoQ, OM 3.2-3.4%. FY2026: ATM revenue +35% YoY, LEAP services ahead of the prior US$3.5B guide, general segment +20% YoY (prior 13%)sec.gov — 'Third Quarter 2026 Outlook' slides 14-15 and the 1H2026 Recap slide; FX assumption NT$31.9/USD versus 31.6 in Q2 2026.
- US$1.0B convertible bond pricingfiled2026-08-03US$1,000M aggregate principal of currency-linked zero-coupon convertible bonds due 2031, priced 2026-08-03; proceeds fund subsidiary capital contributions to repay existing bank borrowings and purchase FX-denominated materialsec.gov — Form 6-K dated 2026-08-03 — filed AFTER the Q2 balance sheet above, so it is incremental to the NT$306,230M debt figure.
- TTM revenue (Q3 2025 - Q2 2026)derived2026-06-30NT$711.2B (~US$22.4B)sec.gov — Sum of the quarterly revenue line in the presentation's Appendix 1: 168,568.888 + 177,915.165 + 173,662.152 + 191,063.522 = NT$711,209.7M. USD at ~NT$31.7/USD = ~US$22.4B.
- 1H2026 revenue growth and marginsderived2026-06-301H revenue NT$364,726M vs NT$298,903M = +22.0% YoY (NTD); 1H gross margin 20.6%; 1H operating margin 10.6%sec.gov — Derived from Appendix 1: revenue 173,662.152 + 191,063.522 = 364,725.7 vs 148,153.262 + 150,750.323 = 298,903.6. GM = (34,818.1 + 40,150.1)/364,725.7 = 20.56%. OM = (17,492.9 + 21,133.7)/364,725.7 = 10.59%. Management separately states +24% YoY in USD terms.
- Free cash flow direction (Q2 2026)derived2026-06-30Negative: EBITDA US$1,450M vs equipment capex US$1,695M — a ~US$245M shortfall before building/facility capex and working capitalsec.gov — NT$45,779M EBITDA / 31.6 = US$1,449M, versus the US$1,695M equipment capex disclosed in the press release and the presentation's Capex-vs-EBITDA slide (which plots Q2/26 capex 1,695 above EBITDA 1,450). Directional only — no cash-flow statement is published quarterly.
- ADR close and market capitalisationmarket2026-08-03 (close)NYSE: ASX closed $36.68 on 2026-08-03 (+4.29%); market cap $78.97B; ~4.39B shares outstandingstockanalysis.com — Closing price, not an intraday level. Down from $40.56 per ADR at 2026-07-06.
- Local-line close (TWSE 3711)market2026-08-03 (close)NT$610 on 2026-08-03, +NT$55 (limit-up session); x 4,470,572,282 shares = NT$2.73T ~ US$85B at NT$31.9/USDfinance.biggo.com — Share count is the 4,470,572,282 figure disclosed in the Q2 6-K (includes treasury stock held by subsidiaries), which is why this cross-check runs above the ADR-derived market cap. ADR ratio 1 ADS = 2 common shares, confirmed by NT$4.80 basic EPS = US$0.304/ADS in the filing.
Earnings, margins, COGS & capex
Revenue is reaccelerating after a 2023-24 back-end downcycle: FY2025 +8.4% in TWD (+13.3% in USD), then Q1 2026 +17.2% YoY as AI accelerator packaging (2.5D, fan-out, co-packaged optics) overwhelms capacity. Group gross margin (~18%) is structurally lower than a foundry because EMS (~35% of revenue) is thin-margin and legacy wirebond is commoditized; the mix is now shifting toward the higher-margin ATM/advanced-packaging business (ATM GM guided 26-27%). Near-term free cash flow is negative because record AI-driven capex (~$8.5B in 2026, up from ~$5.3B in 2025) is outrunning operating cash flow.
Income statement — where each revenue dollar goes
% of revenueOf every $1 of revenue, ~79¢ is cost of goods and ~10¢ operating expense, leaving ~11¢ of operating profit (~6¢ net).
Revenue trend
Margins
rising as advanced-packaging mix grows (TTM 18.5%)
toward upper end of structural range in 2H26
guided +50-120bps QoQ in Q2 2026
Q1 2026 net income +87% YoY (EPS NT$3.24)
negative on record capex
COGS structure
Dominated by direct materials (substrates, leadframes, bonding wire, gold/copper), depreciation on high-value packaging/test equipment, and labor. Advanced-packaging substrates (Unimicron, Ibiden, Shinko, AT&S) and probe cards are structural cost/constraint items; substrate and gold price inflation pressure margins. EMS COGS is pass-through-heavy, compressing that segment's gross margin to low single digits.
Capex
Record and accelerating: capex was ~$5.3B in 2025, and the 2026 plan was raised to ~$8.5B (from an initial ~$7B) with room to go higher, concentrated in LEAP fan-out/2.5D advanced-packaging lines, wafer-sort/final-test capacity, and co-packaged-optics ramp. This is the swing factor turning FCF negative near-term; management frames it as demand-led (AI orders exceeding supply) rather than speculative.
Latest earnings
A large operational step-up, with an honest caveat: operating income nearly doubled YoY (NT$10,193M to NT$21,134M) on genuine margin expansion, but pretax income rose 178% partly on NT$4,566M of non-operating income — including a NT$3,637M FX-hedging gain and NT$2,298M equity-method gain — so headline EPS growth overstates the operating delta. Consensus estimates were not sourced, so no beat/miss versus the Street is asserted here.
Q3 2026 (at NT$31.9/USD vs 31.6 in Q2): consolidated revenue +21-22% QoQ in NTD, gross margin 20.5-21.5%, operating margin 11.5-12.5%. ATM revenue +11-13% QoQ with ATM gross margin 28-29%. EMS revenue +~40% QoQ, EMS operating margin 3.2-3.4%. FY2026: ATM revenue +35% YoY; LEAP services revenue tracking AHEAD of the prior US$3.5B guidance; general (non-LEAP) ATM segment now guided +20% YoY versus a prior 13%.
- ATM segment revenue (Q2 2026)
- NT$126,148M, +36.3% YoY / +12.2% QoQ; gross margin 27.3%, operating margin 15.7%
- EMS segment revenue (Q2 2026)
- NT$65,789M, +11.9% YoY; gross margin 8.9%, operating margin 2.4%
- ATM mix shift to Computing
- Computing rose to 30% of ATM revenue in Q2'26 from 24% in Q2'25; Communication fell to 41% from 46%
- Equipment capex (Q2 2026)
- US$1,695M — US$840M packaging, US$804M testing, US$49M EMS
- Net-debt / equity
- 0.47 at 2026-06-30, up from 0.40 at 2026-03-31
- Customer concentration (ATM basis)
- Top-5 customers 44% of net revenues (43% in Q1'26); one customer above 10%
- Headcount
- 114,179 at 2026-06-30, up from 107,950 at 2026-03-31 (+6,229 in one quarter)
Growth drivers
- AI accelerator packaging — 2.5D/CoWoS-class, fan-out and LEAP platforms for GPUs/ASICs; management targets >$3.5B LEAP/advanced-packaging revenue in 2026 (up ~118% YoY, i.e. roughly doubling)
- Advanced testing (ATM) demand — record ATM revenue; higher test intensity per AI die lifts margin mix
- Co-packaged optics (CPO) entering mass production
- Pricing power: reportedly raised advanced-packaging quotes >20% amid capacity shortage (July 2026)
- AI reducing traditional back-end seasonality, smoothing utilization
- Leading-edge nodes and chiplet/heterogeneous integration pushing more value into back-end packaging
Bull & bear
The Q2 print converted the AI-packaging narrative into reported margin: consolidated gross margin went 17.0% to 21.0% YoY, ATM hit 27.3%, operating income doubled, and management raised both the LEAP and the general-segment outlook while guiding Q3 revenue +21-22% QoQ — an unusually steep sequential ramp for an OSAT.
- Consolidated gross margin expanded 400bps YoY to 21.0% and ATM to 27.3% (from 21.9%) — the mix shift into advanced packaging and test is showing up in the P&L, not just the order book
- Q3 2026 guidance is a step-function, not a grind: consolidated revenue +21-22% QoQ, ATM GM guided to 28-29% (above the 26-27% range guided only one quarter earlier), operating margin 11.5-12.5%
- FY2026 outlook raised twice over: LEAP services revenue tracking ahead of the prior US$3.5B target AND the general ATM segment lifted to +20% YoY from 13% — breadth, not just the AI headline line
- Computing rose to 30% of ATM revenue from 24% a year ago while ATM revenue grew 36% YoY — the highest-value mix is compounding fastest
- Operating income NT$21,134M was +107% YoY on +27% revenue — roughly 4x operating leverage, the signature of utilization plus pricing rather than volume alone
- Capacity is being added against demand, not hope: headcount +6,229 in one quarter and US$1.7B of equipment capex in Q2, with EMS guided +40% QoQ in Q3
The equity de-rated ~12% in TWD terms in the month AFTER this beat, and the balance sheet is why: 1H capex of ~US$4.1B against EBITDA that capex now exceeds, net-debt/equity up 0.40 to 0.47 in one quarter, and a fresh US$1B convertible three days after the print — a company funding a cycle-peak build with paper.
- Free cash flow is negative on the arithmetic available: Q2 EBITDA US$1,450M versus US$1,695M of equipment capex alone, before US$1.4B of 1H building/facility spend and working capital
- Leverage is moving the wrong way fast — net-debt/equity 0.40 to 0.47 in a single quarter, total interest-bearing debt +NT$41B QoQ, and a US$1.0B zero-coupon convertible priced 2026-08-03 (dilution deferred, not avoided)
- Capex intensity of ~36% of 1H revenue is an over-build risk if AI back-end demand normalises; ASE would be depreciating a record asset base into a downcycle
- A material slice of the EPS jump was non-operating: NT$3,637M of FX-hedging gains plus NT$2,298M equity-method gains inside NT$4,566M of non-operating income — not repeatable margin
- The market did not reward the print: TWSE 3711 went NT$693 (2026-07-06) to NT$610 (2026-08-03) even including a limit-up session, and the ADR $40.56 to $36.68 — expectations were already ahead of the fundamentals
- EMS is still a 8.9% gross-margin, 2.4% operating-margin drag on a third of revenue, and its Q3 +40% QoQ guide dilutes consolidated margin mix even as it flatters revenue
- Concentration is tightening, not easing: top-5 ATM customers 44% of revenue (up from 43%), with one customer above 10%, against a Taiwan-centric footprint
What it is worth
Peer-relative (EV/EBITDA and P/E vs OSAT peer Amkor and the broader AI-semiconductor complex), cross-checked against the advanced-packaging growth trajectory and a reverse read of what the current price implies
AI back-end demand normalizes into over-built capacity, TSMC captures the high-value packaging, TWD strength and substrate costs squeeze margins, and record capex leaves FCF depressed — earnings and multiple compress together.
Advanced-packaging mix grows revenue high-single/low-double digits with gradual margin improvement; stock compounds with earnings while the foundry-competition overhang caps the multiple.
Sustained AI-packaging shortage + pricing power lifts group margins toward the high teens/20s and drives multi-year double-digit growth; the stock re-rates toward AI-semiconductor multiples as FCF inflects positive post-capex peak.
At ~$96B market cap on ~$21.5B TTM revenue (~4.5x sales) and mid-teens group EBITDA margin, ASE trades at a clear discount to foundry/AI-semi leaders (TSM, NVDA) but a premium to pure commodity OSAT — appropriate for a bottleneck asset with LEAP/advanced-packaging revenue roughly doubling in 2026 yet structurally lower blended margins and negative near-term FCF. The ADR's ~300% one-year run has already priced in much of the AI-packaging re-rating, so further upside leans on ATM/advanced-packaging mix lifting group margins durably; de-rating risk is foundry in-housing plus a capex-cycle peak.
SWOT
Strengths
- #1 global OSAT by revenue and scale; broadest packaging + test + substrate + EMS portfolio
- Deep incumbency with fabless leaders and TSMC as an overflow/partner for advanced packaging
- Leadership in fan-out/LEAP, wirebond, and high-intensity AI testing — a genuine AI-supply-chain chokepoint
- Pricing power in a capacity-short advanced-packaging market (>20% quote hikes reported July 2026)
Weaknesses
- Structurally lower group margin than foundries (~18% GM) diluted by low-margin EMS and commodity wirebond
- Extreme capital intensity — record ~$8.5B 2026 capex pushing FCF negative
- Customer concentration among a handful of large fabless/AI accounts
- Reported EPS can miss on FX (TWD strength) and start-up costs of new capacity
Opportunities
- AI/chiplet heterogeneous integration shifting more value into back-end packaging
- Co-packaged optics mass production as a new high-value line
- Geographic diversification / capacity outside Taiwan to serve customer de-risking
- Test intensity per AI die rising faster than unit volumes — margin-accretive
Threats
- TSMC (and Intel, Samsung) in-housing advanced packaging (CoWoS/SoIC/Foveros/EMIB), capturing the highest-value work
- Taiwan geopolitical concentration risk
- Cyclical back-end downturn if AI capex normalizes; over-building capacity into a peak
- TWD appreciation and substrate/gold cost inflation compressing margin; tariff/trade friction on EMS
Moats, dependencies & bottlenecks
Moats
Largest OSAT globally; hard to replicate the capex base and process breadth
Advanced-packaging process leadership (LEAP/fan-out) + AI test know-how Moderate-Strong Real edge among OSATs, but contested at the top end by foundry in-house packaging
Requalifying a back-end supplier for a shipping AI package is slow and risky
>20% quote hikes today; erodes if the industry over-builds
Dependencies
AMD, Broadcom, Qualcomm, MediaTek, Apple) Demand / customer concentration AI order flow drives the entire growth thesis; concentration cuts both ways
Partner + competitor (frenemy) Overflow/partner for advanced packaging yet the primary in-house-packaging competitor for the highest-value work
Supply / bottleneck Advanced substrates are a chronic industry constraint and cost driver
Tool lead times gate the capacity ramp
Geographic concentration Majority of capacity in Taiwan/China; geopolitical tail risk
TWD strength pressures reported margin and EPS
Advantages
- Largest and most complete OSAT platform globally
- Genuine AI-supply-chain chokepoint with current pricing power
- Improving margin mix toward high-intensity ATM/advanced test
- TSMC-adjacent positioning captures advanced-packaging overflow
- Trades at a steep discount to foundry/AI-semi multiples
Weaknesses
- Structurally low group margin diluted by EMS and commodity wirebond
- Negative free cash flow under record capex
- Highest-value 2.5D/3D packaging contested by foundry in-housing
- Customer and Taiwan-geography concentration
- FX and substrate/gold cost sensitivity
Bottlenecks
- Advanced-packaging (LEAP/fan-out/2.5D) capacity — demand exceeds supply through 2026
- Advanced substrate availability from Unimicron/Ibiden/Shinko/AT&S
- Back-end tool lead times (BESI/ASMPT, AMAT) gating the capex ramp
- Skilled process/test engineering headcount for new lines
- Power/cleanroom footprint for the capacity build
Top signals & trends
Top signals
AI-driven reacceleration in the back end
Demand-led per management, but pressures FCF and signals cycle-peak risk if AI capex stalls
Pricing power in a capacity-short market
Margin mix and utilization improving
FX/start-up costs weigh on reported EPS
Competitive pressure on the highest-value packaging
Trends
Shifts value into the back end; core growth driver
New high-value line
TSMC/Intel/Samsung capture top-end work
Margin-accretive ATM demand
Pressure to add capacity outside Taiwan raises cost but diversifies risk
Smoother utilization vs historical cyclicality
Ecosystem & competitor graph
Suppliers feed the company; customers pull from it. Line thickness shows the strength of each tie (supply-chain dependency, customer earnings contribution). Hover to isolate a tie.
Die-bonding / hybrid-bonding and packaging tools
Advanced-packaging and deposition/etch equipment
Inspection/metrology and packaging process control
Advanced-packaging inspection/metrology
IC substrates — a chronic bottleneck and cost driver
AI GPU packaging/test demand
Chiplet/GPU packaging
Custom AI ASIC / networking silicon
Mobile/compute SoCs
SoC packaging + EMS via USI
Large fabless packaging/test account
#2 global OSAT; direct advanced-packaging and test competitor, key US-listed peer
Partner and competitor — in-house CoWoS/SoIC/InFO advanced packaging targets the same AI work
Taiwan OSAT strong in memory packaging/test
Largest China OSAT (context only, not a buy/own call)
China OSAT, AMD packaging partner (context only, not a buy/own call)
Taiwan test/packaging specialist (display drivers, memory)
Foveros/EMIB advanced packaging offered as a service