GFS · Insider trading · 13F holders · Congress trades
GLOBALFOUNDRIES Inc. (GFS)
Who is buying and selling GFS: company insiders on SEC Form 4, hedge funds and superinvestors on Form 13F, and members of Congress under the STOCK Act. Every figure links to the filing or page it comes from.
- 13F filers holding
- 27
- Insider buys, 90 days
- $0
- Insider sales, 90 days
- $639K
- Congress trades, 12 months
- 1
GFS at a glance
- Between Aug 1, 2026 and Oct 29, 2026, 2 GFS insiders filed 14 sales worth $639K on SEC Form 4, and no open-market purchases; 14 of the sales were pre-planned under Rule 10b5-1.
- 27 13F filers hold GFS among their 50 largest positions, worth $33.8B combined, including Richard Mashaal and Paul Marshall and Ian Wace. The biggest bets by portfolio weight are Mubadala Investment Co PJSC (94.7%), 3G Capital Partners LP (4.4%) and Alta Park Capital, LP (3.6%). In their latest 13Fs, 7 managers opened a new position and 1 added to one.
- Members of Congress have disclosed 1 GFS trade since 2022, 1 purchase and 0 sales in the past year; the latest was Thomas R. Suozzi (D-NY), buying $15K–50K on Mar 4, 2022.
- GFS last closed at $45.85 on Oct 29, 2026.
GFS insider trading
Between Aug 1, 2026 and Oct 29, 2026, 2 GFS insiders filed 14 sales worth $639K on SEC Form 4, and no open-market purchases; 14 of the sales were pre-planned under Rule 10b5-1.
| Filed | Insider | Role | Trade | Shares | Price | Value | Form 4 |
|---|---|---|---|---|---|---|---|
| Oct 23, 2026 | Azar Samak L | Chief Legal Officer | Sale10b5-1 | 335 | $46.26 | $15K | SEC |
| Oct 16, 2026 | Azar Samak L | Chief Legal Officer | Sale10b5-1 | 335 | $46.80 | $16K | SEC |
| Oct 9, 2026 | Azar Samak L | Chief Legal Officer | Sale10b5-1 | 335 | $49.01 | $16K | SEC |
| Oct 2, 2026 | Azar Samak L | Chief Legal Officer | Sale10b5-1 | 335 | $47.92 | $16K | SEC |
| Sep 29, 2026 | Raman Pradheepa | Chief People Officer | Sale10b5-1 | 2,145 | $48.83 | $105K | SEC |
| Sep 25, 2026 | Azar Samak L | Chief Legal Officer | Sale10b5-1 | 335 | $45.72 | $15K | SEC |
| Sep 18, 2026 | Azar Samak L | Chief Legal Officer | Sale10b5-1 | 335 | $44.87 | $15K | SEC |
| Sep 11, 2026 | Azar Samak L | Chief Legal Officer | Sale10b5-1 | 335 | $44.83 | $15K | SEC |
| Sep 4, 2026 | Azar Samak L | Chief Legal Officer | Sale10b5-1 | 335 | $43.24 | $14K | SEC |
| Aug 28, 2026 | Azar Samak L | Chief Legal Officer | Sale10b5-1 | 335 | $46.75 | $16K | SEC |
| Aug 24, 2026 | Azar Samak L | Chief Legal Officer | Sale10b5-1 | 335 | $48.38 | $16K | SEC |
| Aug 20, 2026 | Raman Pradheepa | Chief People Officer | Sale10b5-1 | 6,760 | $51.12 | $346K | SEC |
| Aug 17, 2026 | Azar Samak L | Chief Legal Officer | Sale10b5-1 | 335 | $52.62 | $18K | SEC |
| Aug 10, 2026 | Azar Samak L | Chief Legal Officer | Sale10b5-1 | 335 | $48.29 | $16K | SEC |
Who owns GFS? Hedge funds and superinvestors
27 13F filers hold GFS among their 50 largest positions, worth $33.8B combined, including Richard Mashaal and Paul Marshall and Ian Wace. The biggest bets by portfolio weight are Mubadala Investment Co PJSC (94.7%), 3G Capital Partners LP (4.4%) and Alta Park Capital, LP (3.6%). In their latest 13Fs, 7 managers opened a new position and 1 added to one.
Superinvestors holding GFS: Richard Mashaal 0.6% · Paul Marshall and Ian Wace 0.3%
| Manager | % of portfolio | Value | Shares | Last quarter | 13F |
|---|---|---|---|---|---|
| Mubadala Investment Co PJSCInvestment manager | 94.7% | $32.9B | 399,573,756 | -5.5% shares | Q2 2026 |
| Paul Marshall and Ian WaceHedge fund | 0.3% | $377.6M | 4,581,796 | — | Q2 2026 |
| Phoenix Financial Ltd.Investment manager | 0.7% | $108.4M | 1,313,102 | +18.9% shares | Q2 2026 |
| Fred Alger Management, LLCMutual fund manager | 0.3% | $88.1M | 1,067,264 | — | Q2 2026 |
| Deprince Race & Zollo IncInstitutional asset manager | 0.9% | $48.2M | 1,005,611 | — | Q3 2026 |
| Ceredex Value Advisors LLCInstitutional asset manager | 1.3% | $46.6M | 565,071 | — | Q2 2026 |
| Alta Park Capital, LPHedge fund | 3.6% | $38.8M | 471,201 | New | Q2 2026 |
| Appleton Partners Inc/maInvestment manager | 1.4% | $22.4M | 272,241 | +1.3% shares | Q2 2026 |
| Richard MashaalHedge fund | 0.6% | $21.5M | 260,408 | New | Q2 2026 |
| Seven Grand Managers, LLCHedge fund | 0.8% | $20.6M | 250,000 | +0.0% shares | Q2 2026 |
| 3G Capital Partners LPHedge fund | 4.4% | $16.5M | 200,000 | New | Q2 2026 |
| ArrowMark Colorado Holdings LLCHedge fund | 0.6% | $15.2M | 184,546 | -77.8% shares | Q2 2026 |
| Krane Funds Advisors LLCMutual fund manager | 0.4% | $11.9M | 144,942 | — | Q2 2026 |
| Old West Investment Management, LLCHedge fund | 1.0% | $9.4M | 113,860 | -24.7% shares | Q2 2026 |
| Delta Global Management LPHedge fund | 0.9% | $8.6M | 104,101 | -73.4% shares | Q2 2026 |
| Greenwood Capital Associates LLCWealth manager | 0.7% | $7.0M | 145,536 | — | Q3 2026 |
| Pinnbrook Capital Management LPHedge fund | 1.0% | $5.9M | 71,600 | New | Q2 2026 |
| Hel Ved Capital Management LtdHedge fund | 0.8% | $5.8M | 70,700 | — | Q2 2026 |
| Potrero Capital Research LLCHedge fund | 3.1% | $5.0M | 61,056 | New | Q2 2026 |
| Eaton Financial Holdings Company, LLCInvestment manager | 1.2% | $4.5M | 54,460 | -8.2% shares | Q2 2026 |
| Twin Tree Management, LPHedge fund | 0.7% | $4.3M | 52,401 | — | Q2 2026 |
| Torrey Growth & Income AdvisorsWealth manager | 1.4% | $4.2M | 52,025 | — | Q2 2026 |
| Oakum Bay Capital LLCAsset manager | 2.0% | $3.8M | 85,878 | — | Q1 2026 |
| Deltec Asset Management LLCWealth manager | 0.5% | $2.9M | 60,500 | — | Q3 2026 |
| Mozayyx Management LLCHedge fund | 2.5% | $2.6M | 31,495 | New | Q2 2026 |
| Fox Run Management, L.l.c.Investment manager | 0.4% | $2.4M | 29,446 | -32.2% shares | Q2 2026 |
| Markin Volterra Fund LPHedge fund | 1.0% | $306K | 3,711 | New | Q2 2026 |
Each manager counts with its latest 13F (Q3 2026: 3, Q2 2026: 23, Q1 2026: 1). Screen GFS in the grand portfolio →
GFS stock trades by members of Congress
Members of Congress have disclosed 1 GFS trade since 2022, 1 purchase and 0 sales in the past year; the latest was Thomas R. Suozzi (D-NY), buying $15K–50K on Mar 4, 2022.
| Filed | Member | Trade | Amount | Traded | Since |
|---|---|---|---|---|---|
| May 20, 2022 | Thomas R. SuozziD-NY · House | Buy | $15K–50K | Mar 4, 2022 | -30.4% |
GFS questions and answers
Are insiders buying GFS stock?
Between Aug 1, 2026 and Oct 29, 2026, 2 GFS insiders filed 14 sales worth $639K on SEC Form 4, and no open-market purchases; 14 of the sales were pre-planned under Rule 10b5-1.
Which hedge funds own GFS?
27 13F filers hold GFS among their 50 largest positions, worth $33.8B combined, including Richard Mashaal and Paul Marshall and Ian Wace. The biggest bets by portfolio weight are Mubadala Investment Co PJSC (94.7%), 3G Capital Partners LP (4.4%) and Alta Park Capital, LP (3.6%). In their latest 13Fs, 7 managers opened a new position and 1 added to one.
Has Congress traded GFS?
Members of Congress have disclosed 1 GFS trade since 2022, 1 purchase and 0 sales in the past year; the latest was Thomas R. Suozzi (D-NY), buying $15K–50K on Mar 4, 2022.
Who is the largest holder of GFS?
Among 13F filers, Mubadala Investment Co PJSC reports the largest GFS position, $32.9B (399,573,756 shares) in its Q2 2026 13F. The biggest bet by portfolio weight is Mubadala Investment Co PJSC's: 94.7% of its portfolio.
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