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, Q1 2025
Institutional positions in Summit Therapeutics Inc. as of Mar 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
- 202
- +7 vs. Q4 2024
- Shares held
- 98.8M
- +6.38M (+6.9%) vs. Q4 2024
- Total value
- $1.91B
- +$258.9M (+15.7%) vs. Q4 2024
- New holders
- 38
- 72 more added
- Sold out
- 31
- 69 more reduced
1 institution that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2024: 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, Q1 2025
Shares, value and share of portfolio for each institution holding Summit Therapeutics Inc.; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Group Inc | 11,640,507 | $224.5M | 0.00% | −30,069−0.3% | Reduced |
| Baker Bros. Advisors LP | 24,424,865 | $471.2M | 5.21% | 00.0% | Unchanged |
| Boxer Capital Management, LLC | 0 | $0 | 0.00% | −250,000−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −223,418−100.0% | Sold out |
| Neo Ivy Capital Management | 0 | $0 | 0.00% | −209,577−100.0% | Sold out |
| Exome Asset Management LLC | 0 | $0 | 0.00% | −130,412−100.0% | Sold out |
| Bayesian Capital Management, LP | 0 | $0 | 0.00% | −67,039−100.0% | Sold out |
| Jefferies Financial Group Inc. | 0 | $0 | 0.00% | −45,001−100.0% | Sold out |
| Verition Fund Management LLC | 0 | $0 | 0.00% | −43,561−100.0% | Sold out |
| Prelude Capital Management, LLC | 0 | $0 | 0.00% | −40,432−100.0% | Sold out |
| CSS LLC | 0 | $0 | 0.00% | −27,314−100.0% | Sold out |
| Cinctive Capital Management LP | 0 | $0 | 0.00% | −27,270−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −26,878−100.0% | Sold out |
| Fullcircle Wealth LLC | 0 | $0 | 0.00% | −16,365−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −18,347−100.0% | Sold out |
| PEAK6 LLC | 0 | $0 | 0.00% | −16,830−100.0% | Sold out |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −13,169−100.0% | Sold out |
| American Century Companies Inc | 0 | $0 | 0.00% | −12,971−100.0% | Sold out |
| Assenagon Asset Management S.A. | 0 | $0 | 0.00% | −12,824−100.0% | Sold out |
| Bender Robert & Associates | 0 | $0 | 0.00% | −11,496−100.0% | Sold out |
| Marex Group plc | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| Torno Capital, LLC | 0 | $0 | 0.00% | −8,308−100.0% | Sold out |
| Parallax Volatility Advisers, L.P. | 0 | $0 | 0.00% | −5,547−100.0% | Sold out |
| Rakuten Securities, Inc. | 0 | $0 | 0.00% | −4,000−100.0% | Sold out |
| Virtus ETF Advisers LLC | 0 | $0 | 0.00% | −3,979−100.0% | Sold out |
| FPC Investment Advisory, Inc. | 0 | $0 | 0.00% | −1,946−100.0% | Sold out |
| SRS Capital Advisors, Inc. | 0 | $0 | 0.00% | −797−100.0% | Sold out |
| Empowered Funds, LLC | 0 | $0 | 0.00% | −362−100.0% | Sold out |
| Synergy Investment Management, LLC | 0 | $0 | 0.00% | −200−100.0% | Sold out |
| Hoey Investments, Inc | 0 | $0 | 0.00% | −100−100.0% | Sold out |
| Amundi | 0 | $0 | 0.00% | −58−100.0% | Sold out |
| SWAN Capital LLC | 0 | $0 | 0.00% | −15−100.0% | Sold out |
| GeoWealth Management, LLC | 0 | $0 | 0.00% | −14−100.0% | Sold out |
| Nuveen Asset Management, LLC | – | – | – | – | Not filed |