Summit Therapeutics Inc.
SMMT- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001599298
No open-market purchases or sales by Summit Therapeutics Inc. insiders were filed in the last 90 days; 242 institutions reported holding it in 13F filings for Q2 2026, worth $1.98B in total; no superinvestor holds it.
13F holders, Q4 2025
Institutional positions in Summit Therapeutics Inc. as of Dec 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 206
- −25 vs. Q3 2025
- Shares held
- 117.8M
- +14.9M (+14.5%) vs. Q3 2025
- Total value
- $2.06B
- −$66.0M (−3.1%) vs. Q3 2025
- New holders
- 35
- 75 more added
- Sold out
- 60
- 65 more reduced
1 institution that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting SMMT on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 242 | $1.98B |
| Q1 2026 | 222 | $2.25B |
| Q4 2025 | 206 | $2.06B |
| Q3 2025 | 232 | $2.13B |
| Q2 2025 | 226 | $2.08B |
| Q1 2025 | 202 | $1.91B |
| Q4 2024 | 196 | $1.65B |
| Q3 2024 | 164 | $1.85B |
| Q2 2024 | 121 | $563.0M |
| Q1 2024 | 103 | $205.5M |
| Q4 2023 | 95 | $84.4M |
| Q3 2023 | 91 | $60.4M |
| Q2 2023 | 96 | $87.6M |
| Q1 2023 | 86 | $37.0M |
| Q4 2022 | 57 | $34.5M |
| Q3 2022 | 42 | $3.78M |
| Q2 2022 | 41 | $8.46M |
| Q1 2022 | 48 | $27.4M |
| Q4 2021 | 52 | $30.0M |
| Q3 2021 | 51 | $55.3M |
| Q2 2021 | 54 | $82.4M |
| Q1 2021 | 38 | $54.5M |
Institutions, Q4 2025
Shares, value and share of portfolio for each institution holding Summit Therapeutics Inc.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| State Street Corp | 6,636,361 | $116.1M | 0.00% | +274,425+4.3% | Added |
| BlackRock, Inc. | 9,361,921 | $163.7M | 0.00% | +1,998,128+27.1% | Added |
| Price T Rowe Associates Inc | 9,371,415 | $163.9M | 0.02% | +4,832,592+106.5% | Added |
| Vanguard Group Inc | 11,177,220 | $195.5M | 0.00% | −202,508−1.8% | Reduced |
| FMR LLC | 13,360,807 | $233.7M | 0.01% | +4,442,920+49.8% | Added |
| Baker Bros. Advisors LP | 36,391,063 | $636.5M | 3.73% | +2,668,089+7.9% | Added |
| Fiera Capital Corp | 0 | $0 | 0.00% | −762,094−100.0% | Sold out |
| Polar Capital Holdings Plc | 0 | $0 | 0.00% | −746,393−100.0% | Sold out |
| Tang Capital Management LLC | 0 | $0 | 0.00% | −550,000−100.0% | Sold out |
| Capricorn Fund Managers Ltd | 0 | $0 | 0.00% | −496,266−100.0% | Sold out |
| Susquehanna International Group, LLP | 0 | $0 | 0.00% | −246,562−100.0% | Sold out |
| Superstring Capital Management LP | 0 | $0 | 0.00% | −197,253−100.0% | Sold out |
| Yong Rong (HK) Asset Management Ltd | 0 | $0 | 0.00% | −100,000−100.0% | Sold out |
| HealthInvest Partners AB | 0 | $0 | 0.00% | −92,737−100.0% | Sold out |
| Envestnet Asset Management Inc | 0 | $0 | 0.00% | −92,538−100.0% | Sold out |
| Winton Group Ltd | 0 | $0 | 0.00% | −64,900−100.0% | Sold out |
| Perseverance Asset Management International | 0 | $0 | 0.00% | −59,745−100.0% | Sold out |
| Verde Servicos Internacionais S.A. | 0 | $0 | 0.00% | −40,000−100.0% | Sold out |
| Man Group plc | 0 | $0 | 0.00% | −29,550−100.0% | Sold out |
| Caption Management, LLC | 0 | $0 | 0.00% | −28,264−100.0% | Sold out |
| Stifel Financial Corp | 0 | $0 | 0.00% | −26,832−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −23,513−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −23,381−100.0% | Sold out |
| Brinker Capital Investments, LLC | 0 | $0 | 0.00% | −20,278−100.0% | Sold out |
| World Equity Group, Inc. | 0 | $0 | 0.00% | −18,854−100.0% | Sold out |
| Calamos Advisors LLC | 0 | $0 | 0.00% | −18,628−100.0% | Sold out |
| Skopos Labs, Inc. | 0 | $0 | 0.00% | −16,300−100.0% | Sold out |
| Snowden Capital Advisors LLC | 0 | $0 | 0.00% | −15,192−100.0% | Sold out |
| Amundi | 0 | $0 | 0.00% | −13,999−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −14,535−100.0% | Sold out |
| JGP Global Gestao de Recursos Ltda. | 0 | $0 | 0.00% | −12,868−100.0% | Sold out |
| Tower Research Capital LLC (TRC) | 0 | $0 | 0.00% | −11,909−100.0% | Sold out |
| Quadrature Capital Ltd | 0 | $0 | 0.00% | −11,721−100.0% | Sold out |
| Brevan Howard Capital Management LP | 0 | $0 | 0.00% | −11,351−100.0% | Sold out |
| New York Life Investment Management LLC | 0 | $0 | 0.00% | −11,048−100.0% | Sold out |
| HighTower Advisors, LLC | 0 | $0 | 0.00% | −10,758−100.0% | Sold out |
| Avanza Fonder AB | 0 | $0 | 0.00% | −4,487−100.0% | Sold out |
| Crowley Wealth Management, Inc. | 0 | $0 | 0.00% | −1,500−100.0% | Sold out |
| Tortoise Investment Management, LLC | 0 | $0 | 0.00% | −1,468−100.0% | Sold out |
| Ball & Co Wealth Management Inc. | 0 | $0 | 0.00% | −1,500−100.0% | Sold out |
| Harvest Fund Management Co., Ltd | 0 | $0 | 0.00% | −1,145−100.0% | Sold out |
| Aster Capital Management (DIFC) Ltd | 0 | $0 | 0.00% | −867−100.0% | Sold out |
| Principal Securities, Inc. | 0 | $0 | 0.00% | −708−100.0% | Sold out |
| Contravisory Investment Management, Inc. | 0 | $0 | 0.00% | −600−100.0% | Sold out |
| Spire Wealth Management | 0 | $0 | 0.00% | −525−100.0% | Sold out |
| Bradley & Co. Private Wealth Management, LLC | 0 | $0 | 0.00% | −200−100.0% | Sold out |
| Ci Investments Inc. | 0 | $0 | 0.00% | −181−100.0% | Sold out |
| Roxbury Financial LLC | 0 | $0 | 0.00% | −187−100.0% | Sold out |
| Bell Investment Advisors, Inc | 0 | $0 | 0.00% | −136−100.0% | Sold out |
| Bokf, NA | 0 | $0 | 0.00% | −100−100.0% | Sold out |
| Groupe la Francaise | 0 | $0 | 0.00% | −110−100.0% | Sold out |
| Park Place Capital Corp | 0 | $0 | 0.00% | −62−100.0% | Sold out |
| Cape Investment Advisory, Inc. | 0 | $0 | 0.00% | −60−100.0% | Sold out |
| Whittier Trust Co of Nevada Inc | 0 | $0 | 0.00% | −57−100.0% | Sold out |
| Quent Capital, LLC | 0 | $0 | 0.00% | −51−100.0% | Sold out |
| Rockefeller Capital Management L.P. | 0 | $0 | 0.00% | −33−100.0% | Sold out |
| Rise Advisors, LLC | 0 | $0 | 0.00% | −28−100.0% | Sold out |
| Fortitude Family Office, LLC | 0 | $0 | 0.00% | −28−100.0% | Sold out |
| DiNuzzo Private Wealth, Inc. | 0 | $0 | 0.00% | −18−100.0% | Sold out |
| Parkside Financial Bank & Trust | 0 | $0 | 0.00% | −18−100.0% | Sold out |
| Wealthspire Advisors, LLC | 0 | $0 | 0.00% | −10−100.0% | Sold out |
| MV Capital Management, Inc. | 0 | $0 | 0.00% | −6−100.0% | Sold out |
| Clearstead Advisors, LLC | 0 | $0 | 0.00% | −2−100.0% | Sold out |
| Optiver Holding B.V. | 0 | $0 | 0.00% | −2−100.0% | Sold out |
| HFM Investment Advisors, LLC | 0 | $0 | 0.00% | −2−100.0% | Sold out |
| Cloud Capital Management, LLC | 0 | $0 | 0.00% | −3−100.0% | Sold out |
| Hemington Wealth Management | – | – | – | – | Not filed |