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, Q3 2025
Institutional positions in Summit Therapeutics Inc. as of Sep 30, 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
- 232
- +10 vs. Q2 2025
- Shares held
- 102.9M
- +6.43M (+6.7%) vs. Q2 2025
- Total value
- $2.13B
- +$76.2M (+3.7%) vs. Q2 2025
- New holders
- 51
- 77 more added
- Sold out
- 41
- 68 more reduced
4 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding Summit Therapeutics Inc.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Baker Bros. Advisors LP | 33,722,974 | $696.7M | 5.03% | 00.0% | Unchanged |
| Vanguard Group Inc | 11,379,728 | $235.1M | 0.00% | +2,706,056+31.2% | Added |
| FMR LLC | 8,917,887 | $184.2M | 0.01% | −308,489−3.3% | Reduced |
| BlackRock, Inc. | 7,363,793 | $152.1M | 0.00% | +517,126+7.6% | Added |
| State Street Corp | 6,361,936 | $131.4M | 0.00% | +2,344,239+58.3% | Added |
| Price T Rowe Associates Inc | 4,538,823 | $93.8M | 0.01% | +633,675+16.2% | Added |
| Geode Capital Management, LLC | 3,132,735 | $64.7M | 0.00% | +197,920+6.7% | Added |
| Morgan Stanley | 1,926,828 | $39.8M | 0.00% | +1,284,827+200.1% | Added |
| Pictet Asset Management Holding SA | 1,604,163 | $33.5M | 0.03% | −559,710−25.9% | Reduced |
| Apeiron Capital Ltd | 1,310,941 | $27.1M | 12.87% | +110,000+9.2% | Added |
| UBS Group AG | 1,278,783 | $26.4M | 0.01% | −815,175−38.9% | Reduced |
| Standard Life Aberdeen plc | 1,139,530 | $23.5M | 0.04% | 00.0% | Unchanged |
| Nomura Holdings Inc | 1,048,927 | $21.7M | 0.10% | +1,004,971+2,286.3% | Added |
| Charles Schwab Investment Management Inc | 876,390 | $18.1M | 0.00% | −415,281−32.2% | Reduced |
| Polymer Capital Management (HK) LTD | 817,276 | $16.9M | 2.35% | −72,753−8.2% | Reduced |
| Fiera Capital Corp | 762,094 | $15.7M | 0.05% | −20,753−2.7% | Reduced |
| Polar Capital Holdings Plc | 746,393 | $15.4M | 0.07% | −253,607−25.4% | Reduced |
| Rock Springs Capital Management LP | 710,000 | $14.7M | 0.86% | 00.0% | Unchanged |
| Bank of America Corp | 657,313 | $13.6M | 0.00% | +91,166+16.1% | Added |
| Tang Capital Management LLC | 550,000 | $11.4M | 0.44% | +300,000+120.0% | Added |
| Northern Trust Corp | 546,262 | $11.3M | 0.00% | +14,634+2.8% | Added |
| TD Asset Management Inc | 537,530 | $11.1M | 0.01% | +53,520+11.1% | Added |
| Candriam Luxembourg S.C.A. | 513,763 | $10.6M | 0.06% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 497,547 | $10.3M | 0.00% | +194,121+64.0% | Added |
| Capricorn Fund Managers Ltd | 496,266 | $10.3M | 3.44% | +496,266 | New |
| Barclays PLC | 475,777 | $9.83M | 0.00% | +161,953+51.6% | Added |
| Invesco Ltd. | 426,075 | $8.80M | 0.00% | +2,048+0.5% | Added |
| Dimensional Fund Advisors LP | 374,583 | $7.74M | 0.00% | −5,421−1.4% | Reduced |
| Bank of New York Mellon Corp | 367,126 | $7.58M | 0.00% | +23,602+6.9% | Added |
| QVT Financial LP | 360,524 | $7.45M | 0.83% | 00.0% | Unchanged |
| Tudor Investment Corp Et Al | 347,241 | $7.17M | 0.05% | +347,241 | New |
| Rafferty Asset Management, LLC | 339,176 | $7.01M | 0.02% | +140,323+70.6% | Added |
| Skandinaviska Enskilda Banken AB (publ) | 338,363 | $6.99M | 0.03% | +271,912+409.2% | Added |
| Sculptor Capital LP | 333,500 | $6.89M | 0.09% | +333,500 | New |
| Manufacturers Life Insurance Company, The | 299,546 | $6.19M | 0.01% | +35,905+13.6% | Added |
| Deutsche Bank AG | 269,884 | $5.58M | 0.00% | +2,096+0.8% | Added |
| New York State Common Retirement Fund | 264,290 | $5.46M | 0.01% | +7,400+2.9% | Added |
| Schroder Investment Management Group | 242,619 | $5.13M | 0.00% | +98,112+67.9% | Added |
| Susquehanna International Group, LLP | 246,562 | $5.09M | 0.01% | −53,411−17.8% | Reduced |
| Nuveen, LLC | 232,642 | $4.81M | 0.00% | +52,193+28.9% | Added |
| Woodline Partners LP | 214,507 | $4.43M | 0.02% | +32,495+17.9% | Added |
| Citadel Advisors LLC | 202,712 | $4.19M | 0.00% | +100,295+97.9% | Added |
| Voya Investment Management LLC | 202,618 | $4.19M | 0.00% | −3,081−1.5% | Reduced |
| Superstring Capital Management LP | 197,253 | $4.08M | 4.01% | +197,253 | New |
| Balyasny Asset Management LLC | 194,851 | $4.03M | 0.01% | +194,851 | New |
| Wells Fargo & Company | 192,876 | $3.98M | 0.00% | −41,844−17.8% | Reduced |
| AQR Capital Management LLC | 187,484 | $3.87M | 0.00% | +165,172+740.3% | Added |
| Royal Bank of Canada | 185,813 | $3.84M | 0.00% | +99,319+114.8% | Added |
| First Trust Advisors LP | 171,524 | $3.54M | 0.00% | +171,524 | New |
| Verition Fund Management LLC | 165,602 | $3.42M | 0.02% | −16,381−9.0% | Reduced |
| Citigroup Inc | 159,873 | $3.30M | 0.00% | +46,535+41.1% | Added |
| Griffin Asset Management, Inc. | 140,282 | $2.90M | 0.33% | +20,900+17.5% | Added |
| JPMorgan Chase & Co | 136,626 | $2.82M | 0.00% | −69,481−33.7% | Reduced |
| D. E. Shaw & Co., Inc. | 130,627 | $2.70M | 0.00% | −6,818−5.0% | Reduced |
| China Universal Asset Management Co., Ltd. | 130,210 | $2.69M | 0.22% | −18,952−12.7% | Reduced |
| Rhumbline Advisers | 122,922 | $2.54M | 0.00% | +528+0.4% | Added |
| Millennium Management LLC | 120,514 | $2.49M | 0.00% | −435,495−78.3% | Reduced |
| Cerity Partners LLC | 114,657 | $2.37M | 0.00% | −187−0.2% | Reduced |
| Dark Forest Capital Management LP | 112,199 | $2.32M | 0.09% | +112,199 | New |
| Squarepoint Ops LLC | 109,826 | $2.27M | 0.00% | −181,396−62.3% | Reduced |
| ADAR1 Capital Management, LLC | 102,969 | $2.13M | 0.21% | +90,969+758.1% | Added |
| Yong Rong (HK) Asset Management Ltd | 100,000 | $2.07M | 0.43% | +100,000 | New |
| HealthInvest Partners AB | 92,737 | $2.03M | 0.75% | 00.0% | Unchanged |
| Bank of Montreal | 98,018 | $2.03M | 0.00% | −2,502−2.5% | Reduced |
| State Board of Administration of Florida Retirement System | 96,009 | $1.98M | 0.00% | −1,493−1.5% | Reduced |
| Envestnet Asset Management Inc | 92,538 | $1.91M | 0.00% | −2,012−2.1% | Reduced |
| State of Wisconsin Investment Board | 91,835 | $1.90M | 0.00% | +91,835 | New |
| Colony Group, LLC | 88,419 | $1.83M | 0.00% | +1,979+2.3% | Added |
| NEOS Investment Management LLC | 80,284 | $1.66M | 0.01% | −26,659−24.9% | Reduced |
| Tema ETFs LLC | 80,284 | $1.66M | 0.14% | −26,659−24.9% | Reduced |
| UBS Asset Management Americas Inc | 79,589 | $1.64M | 0.00% | −7,300−8.4% | Reduced |
| Mariner, LLC | 79,572 | $1.64M | 0.00% | +67,810+576.5% | Added |
| Polianta Ltd | 74,700 | $1.54M | 0.64% | +14,100+23.3% | Added |
| Wealth Management Partners, LLC | 74,570 | $1.54M | 0.49% | −1,042−1.4% | Reduced |
| Capital Fund Management S.A. | 74,153 | $1.53M | 0.02% | +74,153 | New |
| Sectoral Asset Management Inc | 74,070 | $1.53M | 0.94% | +8,850+13.6% | Added |
| Profund Advisors LLC | 69,933 | $1.44M | 0.05% | +30,293+76.4% | Added |
| Illinois Municipal Retirement Fund | 68,673 | $1.42M | 0.02% | +37,611+121.1% | Added |
| Winton Group Ltd | 64,900 | $1.34M | 0.05% | +64,900 | New |
| Perseverance Asset Management International | 59,745 | $1.23M | 0.21% | −80,183−57.3% | Reduced |
| Russell Investments Group, Ltd. | 58,099 | $1.20M | 0.00% | −145,779−71.5% | Reduced |
| Farther Finance Advisors, LLC | 55,236 | $1.14M | 0.02% | +55,236 | New |
| Ameriprise Financial Inc | 53,512 | $1.11M | 0.00% | +20,685+63.0% | Added |
| Treasurer of the State of North Carolina | 52,519 | $1.08M | 0.00% | −2,041−3.7% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 52,505 | $1.08M | 0.01% | +7,917+17.8% | Added |
| Guggenheim Capital LLC | 40,997 | $847.0K | 0.01% | +6,538+19.0% | Added |
| Verde Servicos Internacionais S.A. | 40,000 | $826.0K | 0.24% | +40,000 | New |
| Levin Capital Strategies, L.P. | 36,676 | $757.7K | 0.07% | +500+1.4% | Added |
| Vident Advisory, LLC | 36,646 | $757.1K | 0.01% | −2,510−6.4% | Reduced |
| Public Employees Retirement System of Ohio | 36,492 | $753.9K | 0.00% | +227+0.6% | Added |
| Beacon Pointe Advisors, LLC | 35,726 | $738.1K | 0.01% | +35,726 | New |
| Handelsbanken Fonder AB | 34,200 | $707.0K | 0.00% | 00.0% | Unchanged |
| DnB Asset Management AS | 30,923 | $638.9K | 0.00% | −1,354−4.2% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 30,588 | $631.9K | 0.00% | +40+0.1% | Added |
| Group One Trading, L.P. | 30,250 | $625.0K | 0.02% | +30,250 | New |
| Assetmark, Inc | 29,866 | $617.0K | 0.00% | −1,218−3.9% | Reduced |
| Man Group plc | 29,550 | $610.5K | 0.00% | −10,857−26.9% | Reduced |
| BNP Paribas Arbitrage, SA | 29,176 | $602.8K | 0.00% | −668−2.2% | Reduced |
| Caption Management, LLC | 28,264 | $583.9K | 0.03% | −238,991−89.4% | Reduced |
| SEI Investments Co | 27,163 | $561.2K | 0.00% | +860+3.3% | Added |