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, Q2 2026
Institutional positions in Summit Therapeutics Inc. as of Jun 30, 2026. 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
- 242
- +22 vs. Q1 2026
- Shares held
- 135.9M
- +17.0M (+14.3%) vs. Q1 2026
- Total value
- $1.98B
- −$272.3M (−12.1%) vs. Q1 2026
- New holders
- 57
- 98 more added
- Sold out
- 35
- 57 more reduced
2 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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, Q2 2026
Shares, value and share of portfolio for each institution holding Summit Therapeutics Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| TD Asset Management Inc | 426,084 | $6.21M | 0.01% | −530,810−55.5% | Reduced |
| Worldquant Millennium Advisors LLC | 431,028 | $6.28M | 0.02% | +372,756+639.7% | Added |
| Bank of New York Mellon Corp | 431,299 | $6.28M | 0.00% | +26,620+6.6% | Added |
| Wellington Management Group LLP | 441,934 | $6.44M | 0.00% | +79,076+21.8% | Added |
| Elmind Capital, LP | 493,820 | $7.19M | 1.81% | +493,820 | New |
| Susquehanna International Group, LLP | 521,339 | $7.60M | 0.01% | −82,594−13.7% | Reduced |
| Candriam Luxembourg S.C.A. | 532,432 | $7.75M | 0.03% | −8,230−1.5% | Reduced |
| AQR Capital Management LLC | 542,178 | $7.90M | 0.00% | +98,421+22.2% | Added |
| Marshall Wace, LLP | 577,190 | $8.41M | 0.01% | +101,949+21.5% | Added |
| Northern Trust Corp | 633,794 | $9.23M | 0.00% | +52,194+9.0% | Added |
| Two Sigma Investments, LP | 696,714 | $10.2M | 0.01% | −284,471−29.0% | Reduced |
| Citigroup Inc | 714,000 | $10.4M | 0.00% | +514,867+258.6% | Added |
| Rock Springs Capital Management LP | 715,000 | $10.4M | 0.51% | +5,000+0.7% | Added |
| Schroder Investment Management Group | 835,963 | $12.0M | 0.01% | +584,572+232.5% | Added |
| Bank of America Corp | 864,983 | $12.6M | 0.00% | +266,291+44.5% | Added |
| Apeiron Capital Ltd | 961,866 | $14.0M | 9.00% | −347,275−26.5% | Reduced |
| Vanguard Fiduciary Trust Co | 966,585 | $14.1M | 0.00% | +32,191+3.4% | Added |
| Charles Schwab Investment Management Inc | 976,851 | $14.2M | 0.00% | +15,984+1.7% | Added |
| Pictet Asset Management Holding SA | 1,134,299 | $16.4M | 0.02% | −188,880−14.3% | Reduced |
| Kynam Capital Management, LP | 1,200,000 | $17.5M | 0.97% | +1,200,000 | New |
| D. E. Shaw & Co., Inc. | 1,243,556 | $18.1M | 0.01% | −998,673−44.5% | Reduced |
| Octagon Capital Advisors LP | 1,250,000 | $18.2M | 1.67% | +1,250,000 | New |
| Logos Global Management LP | 1,350,000 | $19.7M | 0.85% | +1,350,000 | New |
| Norges Bank | 1,382,519 | $20.1M | 0.00% | +1,382,519 | New |
| Morgan Stanley | 1,450,019 | $21.1M | 0.00% | −200,572−12.2% | Reduced |
| Squarepoint Ops LLC | 1,590,736 | $23.2M | 0.04% | +976,859+159.1% | Added |
| Standard Life Aberdeen plc | 1,693,626 | $24.7M | 0.03% | +1,028,262+154.5% | Added |
| Citadel Advisors LLC | 1,725,716 | $25.1M | 0.01% | +1,283,973+290.7% | Added |
| Balyasny Asset Management LLC | 1,904,254 | $27.7M | 0.05% | +1,355,919+247.3% | Added |
| Adage Capital Partners GP, L.L.C. | 1,989,591 | $29.0M | 0.04% | +1,989,591 | New |
| Millennium Management LLC | 2,349,081 | $34.2M | 0.02% | +2,222,808+1,760.3% | Added |
| Geode Capital Management, LLC | 3,427,263 | $50.0M | 0.00% | +111,409+3.4% | Added |
| Point72 Asset Management, L.P. | 3,697,803 | $53.9M | 0.08% | +2,913,617+371.5% | Added |
| Price T Rowe Associates Inc | 3,893,820 | $56.7M | 0.01% | −4,384,039−53.0% | Reduced |
| Goldman Sachs Group Inc | 4,513,399 | $65.8M | 0.01% | +4,202,671+1,352.5% | Added |
| Vanguard Portfolio Management LLC | 5,042,190 | $73.5M | 0.00% | −191,062−3.7% | Reduced |
| UBS Group AG | 5,233,798 | $76.3M | 0.01% | +1,553,483+42.2% | Added |
| Vanguard Capital Management LLC | 5,734,484 | $83.6M | 0.00% | +22,682+0.4% | Added |
| BlackRock, Inc. | 9,529,041 | $138.8M | 0.00% | −124,717−1.3% | Reduced |
| State Street Corp | 9,536,796 | $139.0M | 0.00% | +2,508,636+35.7% | Added |
| FMR LLC | 10,043,947 | $146.3M | 0.01% | −809,252−7.5% | Reduced |
| Baker Bros. Advisors LP | 32,786,348 | $477.7M | 2.39% | −3,604,715−9.9% | Reduced |
| Massmutual Trust Co FSB | 0 | $0 | 0.00% | −5−100.0% | Sold out |
| Activest Wealth Management | 0 | $0 | 0.00% | −3−100.0% | Sold out |
| Superstring Capital Management LP | 0 | $0 | 0.00% | −892,873−100.0% | Sold out |
| Tudor Investment Corp Et Al | 0 | $0 | 0.00% | −384,988−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −256,255−100.0% | Sold out |
| Y-Intercept (Hong Kong) Ltd | 0 | $0 | 0.00% | −119,655−100.0% | Sold out |
| Jefferies Financial Group Inc. | 0 | $0 | 0.00% | −100,000−100.0% | Sold out |
| Canada Pension Plan Investment Board | 0 | $0 | 0.00% | −91,000−100.0% | Sold out |
| NEXTBio Capital Management LP | 0 | $0 | 0.00% | −89,717−100.0% | Sold out |
| Longaeva Partners L.P. | 0 | $0 | 0.00% | −57,282−100.0% | Sold out |
| Boothbay Fund Management, LLC | 0 | $0 | 0.00% | −53,964−100.0% | Sold out |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −53,523−100.0% | Sold out |
| Fieldview Capital Management, LLC | 0 | $0 | 0.00% | −49,204−100.0% | Sold out |
| Capstone Capital Management Ltd | 0 | $0 | 0.00% | −23,146−100.0% | Sold out |
| Winton Group Ltd | 0 | $0 | 0.00% | −22,400−100.0% | Sold out |
| Prelude Capital Management, LLC | 0 | $0 | 0.00% | −20,000−100.0% | Sold out |
| Arrowpoint Investment Partners (Singapore) Pte. Ltd. | 0 | $0 | 0.00% | −12,136−100.0% | Sold out |
| Lighthouse Investment Partners, LLC | 0 | $0 | 0.00% | −11,991−100.0% | Sold out |
| DRW Securities, LLC | 0 | $0 | 0.00% | −11,533−100.0% | Sold out |
| Jain Global LLC | 0 | $0 | 0.00% | −10,786−100.0% | Sold out |
| Evoke Wealth, LLC | 0 | $0 | 0.00% | −10,668−100.0% | Sold out |
| PSP Research LLC | 0 | $0 | 0.00% | −10,223−100.0% | Sold out |
| Eurizon Capital SGR S.p.A. | 0 | $0 | 0.00% | −6,908−100.0% | Sold out |
| Versant Capital Management, Inc | 0 | $0 | 0.00% | −831−100.0% | Sold out |
| Sound Income Strategies, LLC | 0 | $0 | 0.00% | −410−100.0% | Sold out |
| Aster Capital Management (DIFC) Ltd | 0 | $0 | 0.00% | −91−100.0% | Sold out |
| ZRC Wealth Management, LLC | 0 | $0 | 0.00% | −91−100.0% | Sold out |
| Toth Financial Advisory Corp | 0 | $0 | 0.00% | −90−100.0% | Sold out |
| Marquette Asset Management, LLC | 0 | $0 | 0.00% | −44−100.0% | Sold out |
| Golden State Equity Partners | 0 | $0 | 0.00% | −40−100.0% | Sold out |
| Horizon Investments, LLC | 0 | $0 | 0.00% | −28−100.0% | Sold out |
| Twin Peaks Wealth Advisors, LLC | 0 | $0 | 0.00% | −12−100.0% | Sold out |
| Hughes Financial Services, LLC | 0 | $0 | 0.00% | −6−100.0% | Sold out |
| Cassaday & Co Wealth Management LLC | 0 | $0 | 0.00% | −2−100.0% | Sold out |
| Root Financial Partners, LLC | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| U.S. Capital Wealth Advisors, LLC | – | – | – | – | Not filed |
| CWM, LLC | – | – | – | – | Not filed |