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
- 136.0M
- +17.1M (+14.3%) vs. Q1 2026
- Total value
- $1.98B
- −$271.5M (−12.1%) vs. Q1 2026
- New holders
- 57
- 99 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 | $564.3M |
| Q1 2024 | 103 | $212.4M |
| Q4 2023 | 95 | $87.1M |
| Q3 2023 | 91 | $60.4M |
| Q2 2023 | 96 | $87.7M |
| Q1 2023 | 86 | $37.0M |
| Q4 2022 | 57 | $34.5M |
| Q3 2022 | 42 | $3.78M |
| Q2 2022 | 41 | $8.46M |
| Q1 2022 | 48 | $27.8M |
| 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 |
|---|---|---|---|---|---|
| Baker Bros. Advisors LP | 32,786,348 | $477.7M | 2.39% | −3,604,715−9.9% | Reduced |
| FMR LLC | 10,043,947 | $146.3M | 0.01% | −809,252−7.5% | Reduced |
| State Street Corp | 9,536,796 | $139.0M | 0.00% | +2,508,636+35.7% | Added |
| BlackRock, Inc. | 9,529,041 | $138.8M | 0.00% | −124,717−1.3% | Reduced |
| Vanguard Capital Management LLC | 5,734,484 | $83.6M | 0.00% | +22,682+0.4% | Added |
| UBS Group AG | 5,233,798 | $76.3M | 0.01% | +1,553,483+42.2% | Added |
| Vanguard Portfolio Management LLC | 5,042,190 | $73.5M | 0.00% | −191,062−3.7% | Reduced |
| Goldman Sachs Group Inc | 4,513,399 | $65.8M | 0.01% | +4,202,671+1,352.5% | Added |
| Price T Rowe Associates Inc | 3,893,820 | $56.7M | 0.01% | −4,384,039−53.0% | Reduced |
| Point72 Asset Management, L.P. | 3,697,803 | $53.9M | 0.08% | +2,913,617+371.5% | Added |
| Geode Capital Management, LLC | 3,427,263 | $50.0M | 0.00% | +111,409+3.4% | Added |
| Millennium Management LLC | 2,349,081 | $34.2M | 0.02% | +2,222,808+1,760.3% | Added |
| Adage Capital Partners GP, L.L.C. | 1,989,591 | $29.0M | 0.04% | +1,989,591 | New |
| Balyasny Asset Management LLC | 1,904,254 | $27.7M | 0.05% | +1,355,919+247.3% | Added |
| Citadel Advisors LLC | 1,725,716 | $25.1M | 0.01% | +1,283,973+290.7% | Added |
| Standard Life Aberdeen plc | 1,693,626 | $24.7M | 0.03% | +1,028,262+154.5% | Added |
| Squarepoint Ops LLC | 1,590,736 | $23.2M | 0.04% | +976,859+159.1% | Added |
| Morgan Stanley | 1,450,019 | $21.1M | 0.00% | −200,572−12.2% | Reduced |
| Norges Bank | 1,382,519 | $20.1M | 0.00% | +1,382,519 | New |
| Logos Global Management LP | 1,350,000 | $19.7M | 0.85% | +1,350,000 | New |
| Octagon Capital Advisors LP | 1,250,000 | $18.2M | 1.67% | +1,250,000 | New |
| D. E. Shaw & Co., Inc. | 1,243,556 | $18.1M | 0.01% | −998,673−44.5% | Reduced |
| Kynam Capital Management, LP | 1,200,000 | $17.5M | 0.97% | +1,200,000 | New |
| Pictet Asset Management Holding SA | 1,134,299 | $16.4M | 0.02% | −188,880−14.3% | Reduced |
| Charles Schwab Investment Management Inc | 976,851 | $14.2M | 0.00% | +15,984+1.7% | Added |
| Vanguard Fiduciary Trust Co | 966,585 | $14.1M | 0.00% | +32,191+3.4% | Added |
| Apeiron Capital Ltd | 961,866 | $14.0M | 9.00% | −347,275−26.5% | Reduced |
| Bank of America Corp | 864,983 | $12.6M | 0.00% | +266,291+44.5% | Added |
| Schroder Investment Management Group | 835,963 | $12.0M | 0.01% | +584,572+232.5% | Added |
| Rock Springs Capital Management LP | 715,000 | $10.4M | 0.51% | +5,000+0.7% | Added |
| Citigroup Inc | 714,000 | $10.4M | 0.00% | +514,867+258.6% | Added |
| Two Sigma Investments, LP | 696,714 | $10.2M | 0.01% | −284,471−29.0% | Reduced |
| Northern Trust Corp | 633,794 | $9.23M | 0.00% | +52,194+9.0% | Added |
| Marshall Wace, LLP | 577,190 | $8.41M | 0.01% | +101,949+21.5% | Added |
| AQR Capital Management LLC | 542,178 | $7.90M | 0.00% | +98,421+22.2% | Added |
| Candriam Luxembourg S.C.A. | 532,432 | $7.75M | 0.03% | −8,230−1.5% | Reduced |
| Susquehanna International Group, LLP | 521,339 | $7.60M | 0.01% | −82,594−13.7% | Reduced |
| Elmind Capital, LP | 493,820 | $7.19M | 1.81% | +493,820 | New |
| Wellington Management Group LLP | 441,934 | $6.44M | 0.00% | +79,076+21.8% | Added |
| Bank of New York Mellon Corp | 431,299 | $6.28M | 0.00% | +26,620+6.6% | Added |
| Worldquant Millennium Advisors LLC | 431,028 | $6.28M | 0.02% | +372,756+639.7% | Added |
| TD Asset Management Inc | 426,084 | $6.21M | 0.01% | −530,810−55.5% | Reduced |
| Invesco Ltd. | 416,847 | $6.07M | 0.00% | −109,256−20.8% | Reduced |
| Jump Financial, LLC | 389,618 | $5.68M | 0.05% | +273,880+236.6% | Added |
| QVT Financial LP | 360,524 | $5.25M | 0.34% | 00.0% | Unchanged |
| Ghisallo Capital Management LLC | 350,000 | $5.10M | 0.10% | +350,000 | New |
| Hohimer Wealth Management, LLC | 339,100 | $4.94M | 0.51% | +339,100 | New |
| Manufacturers Life Insurance Company, The | 298,000 | $4.34M | 0.00% | −294,810−49.7% | Reduced |
| Nuveen, LLC | 294,867 | $4.30M | 0.00% | +50,875+20.9% | Added |
| BNP Paribas Arbitrage, SA | 274,894 | $4.01M | 0.00% | +225,854+460.6% | Added |
| Dark Forest Capital Management LP | 243,607 | $3.55M | 0.23% | +162,827+201.6% | Added |
| Deutsche Bank AG | 239,347 | $3.49M | 0.00% | +1,559+0.7% | Added |
| Polymer Capital Management (HK) LTD | 224,853 | $3.28M | 0.33% | +91,819+69.0% | Added |
| Sectoral Asset Management Inc | 220,180 | $3.21M | 2.24% | +150,565+216.3% | Added |
| Woodline Partners LP | 214,507 | $3.13M | 0.01% | 00.0% | Unchanged |
| Barclays PLC | 210,207 | $3.06M | 0.00% | +161,104+328.1% | Added |
| Wells Fargo & Company | 208,413 | $3.04M | 0.00% | +88,112+73.2% | Added |
| Rafferty Asset Management, LLC | 206,625 | $3.01M | 0.01% | −52,449−20.2% | Reduced |
| Voya Investment Management LLC | 199,390 | $2.91M | 0.00% | +69,153+53.1% | Added |
| HRT Financial LP | 197,653 | $2.88M | 0.01% | +197,653 | New |
| Griffin Asset Management, Inc. | 193,582 | $2.82M | 0.30% | +1,710+0.9% | Added |
| ADAR1 Capital Management, LLC | 191,869 | $2.80M | 0.13% | +100,000+108.9% | Added |
| Trexquant Investment LP | 184,013 | $2.68M | 0.02% | +184,013 | New |
| Colony Group, LLC | 170,338 | $2.48M | 0.00% | +86,418+103.0% | Added |
| China Universal Asset Management Co., Ltd. | 133,527 | $1.95M | 0.12% | −4,069−3.0% | Reduced |
| Dimensional Fund Advisors LP | 127,978 | $1.86M | 0.00% | +39,482+44.6% | Added |
| Rhumbline Advisers | 126,895 | $1.85M | 0.00% | −2,647−2.0% | Reduced |
| HSBC Holdings PLC | 120,560 | $1.78M | 0.00% | +120,560 | New |
| Toroso Investments, LLC | 121,097 | $1.76M | 0.00% | +783+0.7% | Added |
| Tema ETFs LLC | 121,097 | $1.76M | 0.06% | +1,566+1.3% | Added |
| Assenagon Asset Management S.A. | 119,242 | $1.74M | 0.00% | +59,621+100.0% | Added |
| Cerity Partners LLC | 114,505 | $1.67M | 0.00% | +719+0.6% | Added |
| Quantinno Capital Management LP | 113,452 | $1.65M | 0.00% | +39,617+53.7% | Added |
| Nomura Holdings Inc | 112,359 | $1.64M | 0.01% | −201,622−64.2% | Reduced |
| Bank of Montreal | 104,625 | $1.52M | 0.00% | −3,334−3.1% | Reduced |
| Profund Advisors LLC | 100,549 | $1.46M | 0.04% | −12,377−11.0% | Reduced |
| Caption Management, LLC | 100,000 | $1.46M | 0.05% | +100,000 | New |
| Beacon Pointe Advisors, LLC | 98,114 | $1.43M | 0.01% | +3,720+3.9% | Added |
| LMR Partners LLP | 96,177 | $1.40M | 0.01% | +62,055+181.9% | Added |
| State Board of Administration of Florida Retirement System | 94,229 | $1.37M | 0.00% | −1,780−1.9% | Reduced |
| Axq Capital, LP | 93,624 | $1.36M | 0.15% | +46,356+98.1% | Added |
| Schonfeld Strategic Advisors LLC | 91,557 | $1.33M | 0.01% | +69,052+306.8% | Added |
| UBS Asset Management Americas Inc | 90,338 | $1.32M | 0.00% | +10,642+13.4% | Added |
| Wealth Management Partners, LLC | 89,274 | $1.30M | 0.31% | +25,490+40.0% | Added |
| XTX Topco Ltd | 81,402 | $1.19M | 0.02% | +81,402 | New |
| Seven Fleet Capital Management LP | 73,300 | $1.09M | 0.18% | +73,300 | New |
| JPMorgan Chase & Co | 68,169 | $1.07M | 0.00% | +3,615+5.6% | Added |
| Nicolet Bankshares Inc | 72,593 | $1.06M | 0.03% | +72,593 | New |
| Engineers Gate Manager LP | 67,871 | $988.9K | 0.01% | +67,871 | New |
| Guggenheim Capital LLC | 67,835 | $988.4K | 0.01% | +1,433+2.2% | Added |
| VARCOV Co. | 63,957 | $931.9K | 0.35% | +40,448+172.1% | Added |
| Illinois Municipal Retirement Fund | 62,734 | $914.0K | 0.01% | −49,160−43.9% | Reduced |
| Bridgefront Capital, LLC | 60,416 | $880.3K | 0.23% | +60,416 | New |
| Police & Firemen's Retirement System of New Jersey | 60,337 | $879.1K | 0.01% | +7,718+14.7% | Added |
| Diadema Partners LP | 60,000 | $874.2K | 0.31% | +60,000 | New |
| Vanguard Global Advisers, LLC | 59,105 | $861.2K | 0.00% | −2,031−3.3% | Reduced |
| Treasurer of the State of North Carolina | 57,527 | $838.0K | 0.00% | +7,520+15.0% | Added |
| Entropy Technologies, LP | 57,017 | $830.7K | 0.03% | +35,234+161.7% | Added |
| Handelsbanken Fonder AB | 55,500 | $809.0K | 0.00% | +10,900+24.4% | Added |
| Hudson Bay Capital Management LP | 54,950 | $800.6K | 0.00% | +54,950 | New |