Tower Semiconductor (TSEM) Q2 FY2026 Earnings Call

Bottom line

The sleeper story is that Tower's one real demand binder, the $1.3B SIFO 2027 contracted bookings figure, hasn't moved in a quarter while capacity, run-rate, and model targets have all ballooned; when pushed, management's own words were 'No, but it's spoken for', which is narrative, not backlog. The obvious headline is a record quarter and a raised 2028 model ($3.6B revenue, 33% net margin), and that's real, but the binding constraint has quietly shifted from customer demand to Tower's own Track 2 execution, where Russell Ellwanger admitted 'we didn't give specific numbers... we're in final negotiations... just on the timing part'. Equally telling: a CEO who last quarter was unequivocal about SIFO market-share leadership now says on rising industry capacity, 'I don't necessarily have too good of a feeling... I've honestly not followed up on that so strongly', a confidence downgrade on exactly the question that matters most if GlobalFoundries, TSMC, and Samsung all show up with 300mm photonics capacity in 2027-2028. My view changes if next quarter's call either updates the $1.3B bookings figure meaningfully upward with new signed contracts, or discloses a specific Track 2 wafer-per-month target and firm installation schedule; absent that, this remains a capacity-and-capex story being sold as a demand story.

The 30-second version

The $1.3B SIFO bookings number hasn't moved in a quarter, even as every other metric exploded
Record quarter, raised 2028 model, but the binding constraint has shifted from demand to Track 2 execution risk
A hard guidance metric quietly disappeared, and no cash flow or FCF figure was given again this quarter

What changed this quarter

Metric	Q1'26	Q2'26	Change
Revenue	$414M, +15% YoY	$460M, +24% YoY	+11% QoQ, YoY growth accelerated ~900bps
EPS (diluted)	$0.57	$0.79	+39% QoQ
Net income / margin	$65M / 16%	$91M / 20%	+40% QoQ, +400bps margin
Operating income	$65M	$90M, record	+38% QoQ
Gross margin	~27% implied ($111M/$414M)	30%, record	+300bps
RF infrastructure revenue (% of corp rev)	not broken out as % last quarter	49% of revenue, +43% QoQ, +140% YoY	new disclosure format, huge growth
Silicon photonics growth framing	5x capacity growth target by YE26 vs Q4-25 base	$680M annualized Q2 run-rate, targeting $1B Q4-26	metric switched from multiple to absolute run-rate dollars
SIFO 2027 contracted bookings	$1.3B contractual commitment	unchanged, explicitly not updated	frozen for second straight quarter
RFSOI 300mm revenue	+12% YoY overall RF mobile; expected down full-year	-14% YoY on 300mm; 3x wafer starts by mid-2027	near-term decline, long-dated recovery promise
Power management revenue	+10% YoY	14% of corp revenue, YoY growth + strong new customer wins	accelerating, new customer adds noted

Accountability tracked

7 new promises made4 narrative shifts flagged5 prior promises scored

Inside the full report

The complete write-up covers the full promise ledger with kept/missed calls, disclosure-quality scoring, the metrics-vanished check, verification items, and the questions to ask next quarter.

Read the full TSEM Q2'26 report Subscribe

Tower Semiconductor (TSEM)

The 30-second version

What changed this quarter

Accountability tracked

Follow what management promises next