AGIO · Insider trading · 13F holders · Congress trades
Agios Pharmaceuticals, Inc. (AGIO)
Who is buying and selling AGIO: 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
- 15
- Insider buys, 90 days
- $0
- Insider sales, 90 days
- $1.3M
- Congress trades, 12 months
- 3
AGIO at a glance
- Between Aug 1, 2026 and Oct 29, 2026, 1 AGIO insider filed 3 sales worth $1.3M on SEC Form 4, and no open-market purchases; 3 of the sales were pre-planned under Rule 10b5-1.
- 15 13F filers hold AGIO among their 50 largest positions, worth $688.9M combined. The biggest bets by portfolio weight are Lynx1 Capital Management LP (14.6%), Foresite Capital Management VI LLC (4.5%) and Ishara Investments LP (4.5%). In their latest 13Fs, 2 managers opened a new position and 4 added to one.
- Members of Congress have disclosed 8 AGIO trades since 2015, 3 purchases and 0 sales in the past year; the latest was Gilbert Ray Cisneros, Jr. (D-CA), buying $1K–15K on Aug 20, 2026.
- AGIO last closed at $37.23 on Oct 29, 2026.
AGIO insider trading
Between Aug 1, 2026 and Oct 29, 2026, 1 AGIO insider filed 3 sales worth $1.3M on SEC Form 4, and no open-market purchases; 3 of the sales were pre-planned under Rule 10b5-1.
| Filed | Insider | Role | Trade | Shares | Price | Value | Form 4 |
|---|---|---|---|---|---|---|---|
| Oct 28, 2026 | Gheuens Sarah | Chief Medical Officer | Sale10b5-1 | 7,866 | $37.69 | $296K | SEC |
| Oct 23, 2026 | Gheuens Sarah | Chief Medical Officer | Sale10b5-1 | 1,989 | $37.53 | $75K | SEC |
| Aug 6, 2026 | Gheuens Sarah | Chief Medical Officer | Sale10b5-1 | 30,000 | $30.48 | $914K | SEC |
Who owns AGIO? Hedge funds and superinvestors
15 13F filers hold AGIO among their 50 largest positions, worth $688.9M combined. The biggest bets by portfolio weight are Lynx1 Capital Management LP (14.6%), Foresite Capital Management VI LLC (4.5%) and Ishara Investments LP (4.5%). In their latest 13Fs, 2 managers opened a new position and 4 added to one.
| Manager | % of portfolio | Value | Shares | Last quarter | 13F |
|---|---|---|---|---|---|
| Farallon Capital Management, L.l.c.Hedge fund | 1.3% | $219.6M | 5,917,400 | +4.1% shares | Q2 2026 |
| Lynx1 Capital Management LPHedge fund | 14.6% | $126.5M | 3,408,937 | +30.5% shares | Q2 2026 |
| Armistice Capital, LLCHedge fund | 2.5% | $89.1M | 2,400,000 | -11.6% shares | Q2 2026 |
| Erste Asset Management GmbHAsset manager | 0.6% | $82.0M | 2,154,900 | -20.3% shares | Q2 2026 |
| ADAR1 Capital Management, LLCHedge fund | 2.3% | $47.8M | 1,288,053 | — | Q2 2026 |
| Foresite Capital Management VI LLCHedge fund | 4.5% | $29.1M | 785,000 | +49.5% shares | Q2 2026 |
| Parkman Healthcare Partners LLCHedge fund | 2.5% | $24.8M | 669,046 | +65.8% shares | Q2 2026 |
| Defilade Capital Management, L.P.Hedge fund | 2.7% | $20.3M | 546,848 | New | Q2 2026 |
| Rock Springs Capital Management LPHedge fund | 1.0% | $19.8M | 532,563 | -33.4% shares | Q2 2026 |
| Palo Alto Investors LPHedge fund | 1.1% | $7.9M | 213,601 | +0.0% shares | Q2 2026 |
| Tetragon Partners GP LtdHedge fund | 1.2% | $7.6M | 205,579 | +24.7% shares | Q2 2026 |
| Ishara Investments LPHedge fund | 4.5% | $6.1M | 164,000 | New | Q2 2026 |
| Knott David M JrInvestment manager | 1.9% | $3.5M | 95,058 | +2.1% shares | Q2 2026 |
| Exome Asset Management LLCHedge fund | 1.6% | $2.6M | 70,500 | -43.6% shares | Q2 2026 |
| Seven Fleet Capital Management LPHedge fund | 0.3% | $2.1M | 56,900 | -72.8% shares | Q2 2026 |
Each manager counts with its latest 13F (Q2 2026: 15). Screen AGIO in the grand portfolio →
AGIO stock trades by members of Congress
Members of Congress have disclosed 8 AGIO trades since 2015, 3 purchases and 0 sales in the past year; the latest was Gilbert Ray Cisneros, Jr. (D-CA), buying $1K–15K on Aug 20, 2026.
| Filed | Member | Trade | Amount | Traded | Since |
|---|---|---|---|---|---|
| Sep 10, 2026 | Gilbert Ray Cisneros, Jr.D-CA · House | Buy | $1K–15K | Aug 20, 2026 | -8.8% |
| Apr 7, 2026 | Gilbert Ray Cisneros, Jr.D-CA · House | Buy | $1K–15K | Mar 3, 2026 | +7.7% |
| Jan 12, 2026 | Gilbert Ray Cisneros, Jr.D-CA · House | Buy | $1K–15K | Dec 11, 2025 | +11.7% |
| May 6, 2025 | Gilbert Ray Cisneros, Jr.D-CA · House | Buy | $1K–15K | Apr 17, 2025 | +10.9% |
| Feb 11, 2025 | Gilbert Ray Cisneros, Jr.D-CA · House | Buy | $1K–15K | Jan 29, 2025 | -9.1% |
| Feb 15, 2024 | Josh GottheimerD-NJ · House | Buy | $1K–15K | Jan 24, 2024 | +42.6% |
| Jun 7, 2015 | Thomas MacArthurR-NJ · House | Sale | $1K–15K | May 27, 2015 | -75.1% |
| Apr 11, 2015 | Thomas MacArthurR-NJ · House | Buy | $1K–15K | Mar 18, 2015 | -71.1% |
3 members have traded AGIO: Gilbert Ray Cisneros, Jr., Josh Gottheimer, Thomas MacArthur.
Analysis mentioning AGIO
Posts from the blog that cover Agios Pharmaceuticals, Inc., newest first.
AGIO questions and answers
Are insiders buying AGIO stock?
Between Aug 1, 2026 and Oct 29, 2026, 1 AGIO insider filed 3 sales worth $1.3M on SEC Form 4, and no open-market purchases; 3 of the sales were pre-planned under Rule 10b5-1.
Which hedge funds own AGIO?
15 13F filers hold AGIO among their 50 largest positions, worth $688.9M combined. The biggest bets by portfolio weight are Lynx1 Capital Management LP (14.6%), Foresite Capital Management VI LLC (4.5%) and Ishara Investments LP (4.5%). In their latest 13Fs, 2 managers opened a new position and 4 added to one.
Has Congress traded AGIO?
Members of Congress have disclosed 8 AGIO trades since 2015, 3 purchases and 0 sales in the past year; the latest was Gilbert Ray Cisneros, Jr. (D-CA), buying $1K–15K on Aug 20, 2026.
Who is the largest holder of AGIO?
Among 13F filers, Farallon Capital Management, L.l.c. reports the largest AGIO position, $219.6M (5,917,400 shares) in its Q2 2026 13F. The biggest bet by portfolio weight is Lynx1 Capital Management LP's: 14.6% of its portfolio.
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