STM · Insider trading · 13F holders · Congress trades
STMicroelectronics N.V. Common Stock (STM)
Who is buying and selling STM: 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
- 73
- Insider buys, 90 days
- $0
- Insider sales, 90 days
- $0
- Congress trades, 12 months
- 1
STM at a glance
- No open-market insider purchases or sales of STM were filed in the last 90 days.
- 73 13F filers hold STM among their 50 largest positions, worth $4.4B combined, including David Greenspan, Stanley Druckenmiller, Scott Ferguson and Leopold Aschenbrenner. The biggest bets by portfolio weight are E20 Capital Ltd (12.8%), Hidden Lake Asset Management LP (8.8%) and Riposte Capital LLC (6.4%). In their latest 13Fs, 23 managers opened a new position and 6 added to one.
- Members of Congress have disclosed 6 STM trades since 2021, 1 purchase and 0 sales in the past year; the latest was Alan Armstrong (R-OK), buying $1K–15K on Mar 30, 2026.
- STM last closed at $46.71 on Oct 30, 2026.
STM insider trading
No open-market insider purchases or sales of STM were filed in the last 90 days.
Who owns STM? Hedge funds and superinvestors
73 13F filers hold STM among their 50 largest positions, worth $4.4B combined, including David Greenspan, Stanley Druckenmiller, Scott Ferguson and Leopold Aschenbrenner. The biggest bets by portfolio weight are E20 Capital Ltd (12.8%), Hidden Lake Asset Management LP (8.8%) and Riposte Capital LLC (6.4%). In their latest 13Fs, 23 managers opened a new position and 6 added to one.
Superinvestors holding STM: David Greenspan 5.4% · Stanley Druckenmiller 5.3% · Scott Ferguson 3.4% · Leopold Aschenbrenner 2.9% · Robert Pitts 1.4% · Larry Robbins 0.8% · Steve Cohen 0.4%
| Manager | % of portfolio | Value | Shares | Last quarter | 13F |
|---|---|---|---|---|---|
| Van Eck Associates CorpMutual fund manager | 0.6% | $1.1B | 14,039,476 | — | Q2 2026 |
| Leopold AschenbrennerHedge fund | 2.9% | $584.3M | 7,802,700 | New | Q2 2026 |
| David GreenspanHedge fund | 5.4% | $392.4M | 5,239,714 | -14.5% shares | Q2 2026 |
| Steve CohenHedge fund | 0.4% | $232.5M | 3,104,441 | — | Q2 2026 |
| Stanley DruckenmillerFamily office | 5.3% | $232.4M | 3,102,880 | +18.8% shares | Q2 2026 |
| Hill City Capital, LPHedge fund | 5.4% | $232.2M | 3,100,000 | +34.8% shares | Q2 2026 |
| Scott FergusonHedge fund | 3.4% | $164.8M | 2,200,000 | New | Q2 2026 |
| Rafferty Asset Management, LLCMutual fund manager | 0.4% | $161.6M | 2,158,374 | — | Q2 2026 |
| E20 Capital LtdHedge fund | 12.8% | $158.8M | 2,120,166 | New | Q2 2026 |
| Axiom Investors LLC /deHedge fund | 1.1% | $132.4M | 1,768,122 | — | Q2 2026 |
| Contour Asset Management LLCHedge fund | 2.5% | $104.2M | 1,391,293 | New | Q2 2026 |
| Penserra Capital Management LLCMutual fund manager | 0.6% | $78.1M | 1,042,923 | -34.8% shares | Q2 2026 |
| Analog Century Management LPHedge fund | 2.8% | $77.2M | 1,030,699 | -55.8% shares | Q2 2026 |
| Verition Fund Management LLCHedge fund | 0.5% | $61.3M | 818,263 | — | Q2 2026 |
| Keystone Investors Pte LtdHedge fund | 2.9% | $54.2M | 724,339 | — | Q2 2026 |
| Robert PittsHedge fund | 1.4% | $45.2M | 603,600 | — | Q2 2026 |
| Larry RobbinsHedge fund | 0.8% | $41.9M | 560,060 | New | Q2 2026 |
| Nishkama Capital, LLCHedge fund | 4.5% | $39.5M | 527,522 | -37.1% shares | Q2 2026 |
| Annex Advisory Services, LLCWealth manager | 0.6% | $38.9M | 728,578 | — | Q3 2026 |
| Ceredex Value Advisors LLCInstitutional asset manager | 1.1% | $38.4M | 512,278 | — | Q2 2026 |
| Alta Park Capital, LPHedge fund | 3.5% | $38.0M | 506,977 | New | Q2 2026 |
| Yaupon Capital Management LPHedge fund | 1.2% | $37.1M | 495,223 | — | Q2 2026 |
| Talos Eurisko Asset Management LPHedge fund | 4.6% | $31.0M | 414,100 | -30.1% shares | Q2 2026 |
| KADENSA CAPITAL LtdHedge fund | 6.0% | $28.0M | 373,702 | New | Q2 2026 |
| Maytus Capital Management, LLCHedge fund | 4.2% | $26.7M | 356,000 | +32.5% shares | Q2 2026 |
| Hardman Johnston Global Advisors LLCHedge fund | 0.8% | $24.2M | 322,724 | -40.5% shares | Q2 2026 |
| Night Squared LPHedge fund | 2.1% | $19.3M | 257,127 | — | Q2 2026 |
| Riposte Capital LLCHedge fund | 6.4% | $18.7M | 250,000 | New | Q2 2026 |
| Persistent Asset Partners LtdHedge fund | 5.3% | $16.9M | 225,636 | — | Q2 2026 |
| Generate Investment Management LtdAsset manager | 0.6% | $15.9M | 297,167 | — | Q3 2026 |
The 30 largest of 73 positions, by value. Each manager counts with its latest 13F (Q3 2026: 13, Q2 2026: 60). Screen STM in the grand portfolio →
STM stock trades by members of Congress
Members of Congress have disclosed 6 STM trades since 2021, 1 purchase and 0 sales in the past year; the latest was Alan Armstrong (R-OK), buying $1K–15K on Mar 30, 2026.
| Filed | Member | Trade | Amount | Traded | Since |
|---|---|---|---|---|---|
| Jul 21, 2026 | Alan ArmstrongR-OK · Senate | Buy | $1K–15K | Mar 30, 2026 | +49.1% |
| Aug 13, 2023 | Daniel S. GoldmanD-NY · House | Sale | $100K–250K | Jul 10, 2023 | -3.7% |
| Nov 28, 2021 | Bob GibbsR-OH · House | Sale | $15K–50K | Nov 24, 2021 | -4.9% |
| Nov 21, 2021 | Bob GibbsR-OH · House | Buy | $1K–15K | Nov 16, 2021 | -8.8% |
| May 28, 2021 | Bob GibbsR-OH · House | Buy | $1K–15K | May 25, 2021 | +26.8% |
| May 28, 2021 | Bob GibbsR-OH · House | Buy | $1K–15K | May 25, 2021 | +26.8% |
3 members have traded STM: Alan Armstrong, Daniel S. Goldman, Bob Gibbs.
STM questions and answers
Are insiders buying STM stock?
No open-market insider purchases or sales of STM were filed in the last 90 days.
Which hedge funds own STM?
73 13F filers hold STM among their 50 largest positions, worth $4.4B combined, including David Greenspan, Stanley Druckenmiller, Scott Ferguson and Leopold Aschenbrenner. The biggest bets by portfolio weight are E20 Capital Ltd (12.8%), Hidden Lake Asset Management LP (8.8%) and Riposte Capital LLC (6.4%). In their latest 13Fs, 23 managers opened a new position and 6 added to one.
Has Congress traded STM?
Members of Congress have disclosed 6 STM trades since 2021, 1 purchase and 0 sales in the past year; the latest was Alan Armstrong (R-OK), buying $1K–15K on Mar 30, 2026.
Who is the largest holder of STM?
Among 13F filers, Van Eck Associates Corp reports the largest STM position, $1.1B (14,039,476 shares) in its Q2 2026 13F. The biggest bet by portfolio weight is E20 Capital Ltd's: 12.8% of its portfolio.
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