GlobalFoundries
Working knowledge base on GlobalFoundries — NASDAQ: GFS · CIK 0001709048. Primary-sourced notes on Fotonix silicon-photonics, the AMF Singapore acquisition, and the foundry-layer position in AI optical interconnects.
Price · insider · short · catalysts
companies/<ticker>/data/HAND_CURATED_EVENTS.json.
KPI dashboard
as of 2026-04-28Thesis confidence
12 months horizon · as of 2026-04-29| Factor | Weight | P(success) | Trigger to update |
|---|---|---|---|
Silicon photonics revenue doubles 2025→2026 (~$200M → ~$400M) FY2025 SiPh revenue ~$200M (per Q4 2025 management commentary, primary-source partial); +147% YoY growth pattern. FY2026 ~$400M doubling per Breen guidance. Fotonix moat positions: only pure-play merchant 300mm monolithic SiPh process. AMF + InfiniLink consolidation closed Nov 17 2025. | 25% | 65%◐ | Q1 2026 earnings (May 2026) SiPh segment color; FY2026 ~doubling print confirms; absence through Q3 2026 trims to 50% |
LWLG PDK validation tape-outs convert to design wins GDSFactory PDK live 2026-03-16; slot-waveguide process modifications confirmed in progress. 200G/400G validation tape-outs scheduled 2026. LWLG Telcordia 85/85 1000h pass Jul 2025; 2000h length-swept Apr 2026 reliability validation. Marvell-Polariton externally validates polymer thesis. | 20% | 55%◐ | First volume design-win disclosure (likely 2027); validation tape-out completion in 2026 = lift to 75%; slip beyond 2026 = trim to 35% |
Mubadala selldowns absorbed without sustained price compression Pattern from 2024-05 ($950M, ~85%→81.6%) and 2026-03-13 ($840M, ~80%→77.05%): 5-10% one-day technical-pressure window followed by 30-day relief rally (+17.9% in Mar 2026 case). Each selldown reduces float overhang. $300M GF buyback authorization in Mar 2026 supportive. Stake remaining 77.05% = 423M of 549M shares. | 15% | 65%◐ | Next Mubadala selldown announced; clean +30d rally repeat = lift to 80%; sustained -10%+ post-event for 60d = drop to 35% |
No AI-capex digestion shock through 2026 Hyperscaler capex guides for 2026 remain elevated (Microsoft / Google / Meta / Amazon multi-quarter outlook). Fotonix indirect-exposure structure means hyperscaler commits flow into utilization with 12-24 month lag. Marvell + Broadcom + Cisco + Coherent + Lumentum aggregate 800G/1.6T transceiver demand still ramping. | 20% | 60%◐ | Hyperscaler capex guide cuts of >10% sequential = trim to 35%; FY26 backwards guide in any major hyperscaler print = drop to 25% |
Operating continuity without President / COO Anderskouv exit Mar 2 2026; no successor named — Breen + ELT absorbing. SVP bench (Soukup SiPh, Tan APAC, Koh Malta NY, Horstmann Dresden, McAvey VT) is unusually deep relative to peer foundries. CFO transition (Hollister out Oct 27 2025; Franklin permanent Dec 2025) executed cleanly. Risk-flag is operating-bandwidth strain in 2026-Q2 / Q3 execution windows. | 20% | 70%◐ | Q1 2026 / Q2 2026 earnings show no operating-execution slip (revenue beat / GM in line) = lift to 85%; any guide-down + execution miss = drop to 40% |
| Weighted composite | 63% | Refreshed when any factor's trigger fires | |
Recent EDGAR filings
12 most recent · auto-polled- 2026-04-274FORM 4
- 2026-04-224FORM 4
- 2026-04-224FORM 4
- 2026-04-204FORM 4
- 2026-04-174FORM 4
- 2026-04-134FORM 4
- 2026-04-064FORM 4
- 2026-04-034FORM 4
- 2026-04-034FORM 4
- 2026-03-304FORM 4
- 2026-03-234FORM 4
- 2026-03-204FORM 4
Executive summary
GlobalFoundries Inc. is a Cayman-incorporated wafer foundry headquartered in Malta, NY, controlled ~77.05% by Mubadala Investment Company (post the March 2026 $840M secondary; 81% per FY25 20-F as of Dec 31 2025). Foreign Private Issuer filing Form 20-F (annual) + 6-K (interim) — same regime as POET, not 10-K. Section 16 / Form 4 insider reporting now applies post-2026-03-18 (HFIAA repealed the FPI carve-out). FY25 revenue $6.79B diversified across Smart Mobile 39%, Automotive 21%, Home & Industrial IoT 18%, Comm-Infra-DC 11%, Non-Wafer 11% — with Fotonix (45SPCLO 300mm + 9WG 200mm SiPh, plus AMF Singapore + InfiniLink Cairo, both acquired Nov 2025) the layer integrating Lightwave Logic's electro-optic polymer (GDSFactory PDK live since 2026-03-16 for validation tape-outs) and serving Marvell, NLM Photonics, and Ayar Labs.
This research site refreshes daily — price (NASDAQ close), short interest, EDGAR filings, Form 4 insider transactions (post-HFIAA only), and Schedule 13G/13F institutional-holder updates. The KB scope is intentionally narrowed to the foundry layer of the AI-photonics value chain (Fotonix, AMF Singapore acquisition Nov 17 2025, customer wins), with the rest of the GF business covered as cross-context. Submit a question on the Q&A page to influence what gets prioritized.