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 2026
Institutional positions in Summit Therapeutics Inc. as of Mar 31, 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
- 222
- +22 vs. Q4 2025
- Shares held
- 118.9M
- +13.7M (+13.0%) vs. Q4 2025
- Total value
- $2.25B
- +$411.9M (+22.4%) vs. Q4 2025
- New holders
- 58
- 83 more added
- Sold out
- 36
- 49 more reduced
6 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding Summit Therapeutics Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Capital Advisors, Ltd. LLC | 1 | $0 | 0.00% | +1 | New |
| Root Financial Partners, LLC | 1 | $19 | 0.00% | −1−50.0% | Reduced |
| Seneschal Advisors, LLC | 1 | $19 | 0.00% | −1−50.0% | Reduced |
| Ameritas Advisory Services, LLC | 1 | $19 | 0.00% | +1 | New |
| Keating Financial Advisory Services, Inc. | 2 | $38 | 0.00% | +1+100.0% | Added |
| Cassaday & Co Wealth Management LLC | 2 | $38 | 0.00% | +2 | New |
| True Wealth Design, LLC | 3 | $57 | 0.00% | −3−50.0% | Reduced |
| Rothschild Investment LLC | 3 | $57 | 0.00% | +1+50.0% | Added |
| Activest Wealth Management | 3 | $57 | 0.00% | +3 | New |
| Rakuten Securities, Inc. | 5 | $95 | 0.00% | 00.0% | Unchanged |
| Massmutual Trust Co FSB | 5 | $95 | 0.00% | +5 | New |
| MV Capital Management, Inc. | 5 | $95 | 0.00% | +5 | New |
| Hughes Financial Services, LLC | 6 | $114 | 0.00% | −1−14.3% | Reduced |
| 1015 Capital Partners, LLC | 10 | $190 | 0.00% | +9+900.0% | Added |
| Twin Peaks Wealth Advisors, LLC | 12 | $228 | 0.00% | +12 | New |
| Stone House Investment Management, LLC | 18 | $341 | 0.00% | +12+200.0% | Added |
| Parkside Financial Bank & Trust | 20 | $380 | 0.00% | +20 | New |
| Umb Bank N A | 24 | $455 | 0.00% | +24 | New |
| SHP Wealth Management | 25 | $474 | 0.00% | +15+150.0% | Added |
| Horizon Investments, LLC | 28 | $531 | 0.00% | +28 | New |
| Bell Investment Advisors, Inc | 33 | $626 | 0.00% | +33 | New |
| Rockefeller Capital Management L.P. | 37 | $702 | 0.00% | +37 | New |
| CVA Family Office, LLC | 40 | $758 | 0.00% | 00.0% | Unchanged |
| Golden State Equity Partners | 40 | $758 | 0.00% | +40 | New |
| Marquette Asset Management, LLC | 44 | $835 | 0.00% | +16+57.1% | Added |
| TD Private Client Wealth LLC | 74 | $1.40K | 0.00% | 00.0% | Unchanged |
| Wealth Enhancement Trust Services, Inc. | 81 | $1.54K | 0.00% | +81 | New |
| Toth Financial Advisory Corp | 90 | $1.71K | 0.00% | 00.0% | Unchanged |
| ZRC Wealth Management, LLC | 91 | $1.73K | 0.00% | +91 | New |
| Aster Capital Management (DIFC) Ltd | 91 | $1.75K | 0.00% | +91 | New |
| Signaturefd, LLC | 96 | $1.82K | 0.00% | +18+23.1% | Added |
| SRS Capital Advisors, Inc. | 105 | $1.98K | 0.00% | +11+11.7% | Added |
| Quent Capital, LLC | 105 | $1.99K | 0.00% | +105 | New |
| Transamerica Financial Advisors, Inc. | 115 | $2.18K | 0.00% | +109+1,816.7% | Added |
| Pinnacle Wealth Planning Services, Inc. | 144 | $2.73K | 0.00% | +144 | New |
| Bessemer Group Inc | 135 | $3.00K | 0.00% | −880−86.7% | Reduced |
| IFP Advisors, Inc | 169 | $3.20K | 0.00% | −4,260−96.2% | Reduced |
| Allworth Financial LP | 270 | $5.12K | 0.00% | +201+291.3% | Added |
| Nisa Investment Advisors, LLC | 276 | $5.23K | 0.00% | +39+16.5% | Added |
| WPG Advisers, LLC | 288 | $5.46K | 0.00% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 292 | $5.54K | 0.00% | +3+1.0% | Added |
| MAI Capital Management | 297 | $5.63K | 0.00% | +297 | New |
| FIL Ltd | 345 | $6.54K | 0.00% | +345 | New |
| AdvisorNet Financial, Inc | 353 | $6.69K | 0.00% | +125+54.8% | Added |
| Covestor Ltd | 360 | $7.00K | 0.00% | −298−45.3% | Reduced |
| Sound Income Strategies, LLC | 410 | $7.76K | 0.00% | −595−59.2% | Reduced |
| EverSource Wealth Advisors, LLC | 426 | $8.08K | 0.00% | +287+206.5% | Added |
| LRI Investments, LLC | 500 | $9.48K | 0.00% | +500 | New |
| Rosenberg Matthew Hamilton | 501 | $9.50K | 0.00% | 00.0% | Unchanged |
| Los Angeles Capital Management LLC | 514 | $9.74K | 0.00% | +514 | New |
| Harbour Investments, Inc. | 520 | $9.86K | 0.00% | +463+812.3% | Added |
| Smartleaf Asset Management LLC | 662 | $11.2K | 0.00% | +27+4.3% | Added |
| Golden State Wealth Management, LLC | 828 | $15.7K | 0.00% | 00.0% | Unchanged |
| Versant Capital Management, Inc | 831 | $15.8K | 0.00% | +821+8,210.0% | Added |
| Sterling Capital Management LLC | 836 | $15.9K | 0.00% | 00.0% | Unchanged |
| CX Institutional | 848 | $16.0K | 0.00% | +848 | New |
| Jones Financial Companies LLLP | 1,036 | $17.2K | 0.00% | +488+89.1% | Added |
| E Fund Management (Hong Kong) Co., Ltd. | 954 | $18.1K | 0.01% | +954 | New |
| Vermillion Wealth Management, Inc. | 1,000 | $19.0K | 0.01% | +496+98.4% | Added |
| CWM, LLC | 1,131 | $21.4K | 0.00% | +836+283.4% | Added |
| The PNC Financial Services Group, Inc. | 1,243 | $23.6K | 0.00% | +754+154.2% | Added |
| Ball & Co Wealth Management Inc. | 1,500 | $28.0K | 0.02% | +1,500 | New |
| GAMMA Investing LLC | 1,639 | $31.1K | 0.00% | +834+103.6% | Added |
| Larson Financial Group LLC | 1,834 | $34.8K | 0.00% | +11+0.6% | Added |
| US Bancorp | 1,850 | $35.1K | 0.00% | +1,525+469.2% | Added |
| Parallel Advisors, LLC | 2,139 | $40.6K | 0.00% | +2,089+4,178.0% | Added |
| National Bank of Canada | 2,223 | $42.2K | 0.00% | +528+31.2% | Added |
| Adirondack Trust Co | 2,500 | $47.4K | 0.02% | 00.0% | Unchanged |
| Truvestments Capital LLC | 2,603 | $49.4K | 0.01% | 00.0% | Unchanged |
| STRS Ohio | 2,794 | $53.0K | 0.00% | −4−0.1% | Reduced |
| Fifth Third Bancorp | 3,732 | $70.8K | 0.00% | +732+24.4% | Added |
| Osterweis Capital Management Inc | 5,000 | $94.8K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 5,398 | $102.3K | 0.00% | +117+2.2% | Added |
| California State Teachers Retirement System | 6,391 | $121.2K | 0.00% | −879−12.1% | Reduced |
| Eurizon Capital SGR S.p.A. | 6,908 | $131.0K | 0.00% | −18,754−73.1% | Reduced |
| MetLife Investment Management | 7,186 | $136.2K | 0.00% | −358−4.7% | Reduced |
| Royal Bank of Canada | 7,422 | $141.0K | 0.00% | +4,226+132.2% | Added |
| Simplex Trading, LLC | 8,410 | $159.5K | 0.00% | +8,410 | New |
| Federation des caisses Desjardins du Quebec | 8,881 | $168.4K | 0.00% | +268+3.1% | Added |
| Willis Investment Counsel | 10,000 | $189.6K | 0.01% | −390−3.8% | Reduced |
| PSP Research LLC | 10,223 | $193.8K | 0.14% | +10,223 | New |
| Evoke Wealth, LLC | 10,668 | $202.3K | 0.00% | −384−3.5% | Reduced |
| Jain Global LLC | 10,786 | $204.5K | 0.00% | +10,786 | New |
| Advisors Asset Management, Inc. | 10,984 | $208.3K | 0.00% | −141−1.3% | Reduced |
| DRW Securities, LLC | 11,533 | $218.7K | 0.01% | +11,533 | New |
| Lighthouse Investment Partners, LLC | 11,991 | $227.3K | 0.01% | +11,991 | New |
| U.S. Capital Wealth Advisors, LLC | 12,009 | $227.7K | 0.01% | +9+0.1% | Added |
| Arrowpoint Investment Partners (Singapore) Pte. Ltd. | 12,136 | $230.1K | 0.33% | +12,136 | New |
| Blankinship & Foster, LLC | 12,777 | $242.3K | 0.05% | 00.0% | Unchanged |
| Three Seasons Wealth, LLC | 12,869 | $244.0K | 0.09% | 00.0% | Unchanged |
| Creative Planning | 13,597 | $257.8K | 0.00% | +786+6.1% | Added |
| Virtus Investment Advisers, Inc. | 15,519 | $294.2K | 0.08% | +378+2.5% | Added |
| Gotham Asset Management, LLC | 15,727 | $298.2K | 0.00% | 00.0% | Unchanged |
| Bellevue Group AG | 15,858 | $300.7K | 0.01% | +1,596+11.2% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 18,357 | $311.7K | 0.00% | +1,497+8.9% | Added |
| GF Fund Management Co. Ltd. | 16,720 | $317.0K | 0.01% | +2,091+14.3% | Added |
| Russell Investments Group, Ltd. | 17,986 | $341.0K | 0.00% | +1,020+6.0% | Added |
| Alliancebernstein L.P. | 19,853 | $347.2K | 0.00% | −753−3.7% | Reduced |
| New York Life Investment Management LLC | 19,521 | $370.1K | 0.00% | +19,521 | New |
| SEI Investments Co | 19,681 | $373.2K | 0.00% | +9,618+95.6% | Added |