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 |
|---|---|---|---|---|---|
| Avion Wealth | 29 | $0 | 0.00% | +29 | New |
| Seneschal Advisors, LLC | 1 | $15 | 0.00% | 00.0% | Unchanged |
| SJS Investment Consulting Inc. | 1 | $15 | 0.00% | +1 | New |
| Stone House Investment Management, LLC | 4 | $58 | 0.00% | −14−77.8% | Reduced |
| 1015 Capital Partners, LLC | 4 | $58 | 0.00% | −6−60.0% | Reduced |
| Ameriflex Group, Inc. | 6 | $87 | 0.00% | +6 | New |
| Rockefeller Capital Management L.P. | 10 | $146 | 0.00% | −27−73.0% | Reduced |
| SHP Wealth Management | 10 | $146 | 0.00% | −15−60.0% | Reduced |
| True Wealth Design, LLC | 10 | $146 | 0.00% | +7+233.3% | Added |
| Keating Financial Advisory Services, Inc. | 10 | $146 | 0.00% | +8+400.0% | Added |
| Bartlett & Co. Wealth Management LLC | 11 | $160 | 0.00% | +11 | New |
| Rothschild Investment LLC | 14 | $204 | 0.00% | +11+366.7% | Added |
| Umb Bank N A | 16 | $233 | 0.00% | −8−33.3% | Reduced |
| MV Capital Management, Inc. | 16 | $234 | 0.00% | +11+220.0% | Added |
| Silver Grove Financial Group, Inc. | 23 | $335 | 0.00% | +23 | New |
| Allied Private Wealth LLC | 30 | $470 | 0.00% | +30 | New |
| Bell Investment Advisors, Inc | 33 | $481 | 0.00% | 00.0% | Unchanged |
| UMA Financial Services, Inc. | 35 | $510 | 0.00% | +35 | New |
| CVA Family Office, LLC | 40 | $583 | 0.00% | 00.0% | Unchanged |
| Manchester Capital Management LLC | 43 | $627 | 0.00% | +43 | New |
| Rossby Financial, LCC | 53 | $772 | 0.00% | +53 | New |
| Parkside Financial Bank & Trust | 56 | $816 | 0.00% | +36+180.0% | Added |
| Capital Advisors, Ltd. LLC | 85 | $1.00K | 0.00% | +84+8,400.0% | Added |
| TD Private Client Wealth LLC | 74 | $1.08K | 0.00% | 00.0% | Unchanged |
| Signaturefd, LLC | 76 | $1.11K | 0.00% | −20−20.8% | Reduced |
| Ameritas Advisory Services, LLC | 78 | $1.14K | 0.00% | +77+7,700.0% | Added |
| Wealth Enhancement Trust Services, Inc. | 81 | $1.18K | 0.00% | 00.0% | Unchanged |
| Northwestern Mutual Wealth Management Co | 122 | $1.78K | 0.00% | +122 | New |
| Parallel Advisors, LLC | 129 | $1.88K | 0.00% | −2,010−94.0% | Reduced |
| Harbour Investments, Inc. | 129 | $1.88K | 0.00% | −391−75.2% | Reduced |
| Zions Bancorporation, National Association | 132 | $1.92K | 0.00% | +132 | New |
| Bessemer Group Inc | 135 | $2.00K | 0.00% | 00.0% | Unchanged |
| Transamerica Financial Advisors, Inc. | 140 | $2.04K | 0.00% | +25+21.7% | Added |
| Quent Capital, LLC | 155 | $2.26K | 0.00% | +50+47.6% | Added |
| IFP Advisors, Inc | 169 | $2.46K | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 172 | $2.51K | 0.00% | −98−36.3% | Reduced |
| Nisa Investment Advisors, LLC | 268 | $3.90K | 0.00% | −8−2.9% | Reduced |
| The PNC Financial Services Group, Inc. | 299 | $4.36K | 0.00% | −944−75.9% | Reduced |
| EverSource Wealth Advisors, LLC | 300 | $4.37K | 0.00% | −126−29.6% | Reduced |
| FIL Ltd | 345 | $5.03K | 0.00% | 00.0% | Unchanged |
| AdvisorNet Financial, Inc | 353 | $5.14K | 0.00% | 00.0% | Unchanged |
| Rialto Wealth Management, LLC | 396 | $5.78K | 0.00% | +396 | New |
| Covestor Ltd | 415 | $6.00K | 0.00% | +55+15.3% | Added |
| SBI Securities Co., Ltd. | 434 | $6.32K | 0.00% | +142+48.6% | Added |
| WPG Advisers, LLC | 439 | $6.40K | 0.00% | +151+52.4% | Added |
| Rakuten Securities, Inc. | 465 | $6.78K | 0.00% | +460+9,200.0% | Added |
| LRI Investments, LLC | 500 | $7.29K | 0.00% | 00.0% | Unchanged |
| Rosenberg Matthew Hamilton | 501 | $7.30K | 0.00% | 00.0% | Unchanged |
| Los Angeles Capital Management LLC | 514 | $7.49K | 0.00% | 00.0% | Unchanged |
| CX Institutional | 591 | $9.00K | 0.00% | −257−30.3% | Reduced |
| Smartleaf Asset Management LLC | 662 | $9.48K | 0.00% | 00.0% | Unchanged |
| Global Retirement Partners, LLC | 686 | $9.99K | 0.00% | +686 | New |
| Ossiam | 733 | $10.7K | 0.00% | +733 | New |
| Golden State Wealth Management, LLC | 828 | $12.1K | 0.00% | 00.0% | Unchanged |
| Sterling Capital Management LLC | 891 | $13.0K | 0.00% | +55+6.6% | Added |
| Vermillion Wealth Management, Inc. | 1,000 | $14.6K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 1,311 | $19.1K | 0.00% | −22,392−94.5% | Reduced |
| E Fund Management (Hong Kong) Co., Ltd. | 1,334 | $19.4K | 0.01% | +380+39.8% | Added |
| Ball & Co Wealth Management Inc. | 1,500 | $21.0K | 0.01% | 00.0% | Unchanged |
| GAMMA Investing LLC | 1,668 | $24.3K | 0.00% | +29+1.8% | Added |
| Larson Financial Group LLC | 1,730 | $25.2K | 0.00% | −104−5.7% | Reduced |
| California State Teachers Retirement System | 1,907 | $27.8K | 0.00% | −4,484−70.2% | Reduced |
| Simplex Trading, LLC | 1,968 | $28.7K | 0.00% | −6,442−76.6% | Reduced |
| Truvestments Capital LLC | 2,470 | $36.0K | 0.01% | −133−5.1% | Reduced |
| Adirondack Trust Co | 2,500 | $36.4K | 0.01% | 00.0% | Unchanged |
| STRS Ohio | 2,848 | $41.5K | 0.00% | +54+1.9% | Added |
| National Bank of Canada | 2,909 | $42.5K | 0.00% | +686+30.9% | Added |
| Pinnacle Wealth Planning Services, Inc. | 3,140 | $45.8K | 0.00% | +2,996+2,080.6% | Added |
| Pacer Advisors, Inc. | 3,451 | $50.0K | 0.00% | +3,451 | New |
| Jones Financial Companies LLLP | 3,859 | $54.1K | 0.00% | +2,823+272.5% | Added |
| Osterweis Capital Management Inc | 5,000 | $72.8K | 0.00% | 00.0% | Unchanged |
| Fifth Third Bancorp | 5,062 | $73.8K | 0.00% | +1,330+35.6% | Added |
| Advisor Group Holdings, Inc. | 5,255 | $76.6K | 0.00% | −143−2.6% | Reduced |
| Caitong International Asset Management Co., Ltd | 5,536 | $80.7K | 0.01% | +5,536 | New |
| Havemeyer Place LP | 6,120 | $89.2K | 0.01% | −55,869−90.1% | Reduced |
| MetLife Investment Management | 7,508 | $109.4K | 0.00% | +322+4.5% | Added |
| Nykredit A/S | 7,634 | $111.2K | 0.00% | +7,634 | New |
| Royal Bank of Canada | 7,951 | $116.0K | 0.00% | +529+7.1% | Added |
| Federation des caisses Desjardins du Quebec | 9,176 | $133.7K | 0.00% | +295+3.3% | Added |
| Willis Investment Counsel | 10,000 | $145.7K | 0.01% | 00.0% | Unchanged |
| Sage Mountain Advisors LLC | 10,000 | $145.7K | 0.01% | +10,000 | New |
| MAI Capital Management | 10,408 | $151.6K | 0.00% | +10,111+3,404.4% | Added |
| Mackenzie Financial Corp | 10,442 | $152.1K | 0.00% | +10,442 | New |
| SummitTX Capital, L.P. | 10,809 | $157.5K | 0.00% | +10,809 | New |
| Advisors Asset Management, Inc. | 11,123 | $162.1K | 0.00% | +139+1.3% | Added |
| Gsa Capital Partners LLP | 11,423 | $166.0K | 0.01% | +11,423 | New |
| Blackstone Group Inc. | 11,754 | $171.3K | 0.00% | +11,754 | New |
| Graham Capital Management, L.P. | 11,987 | $174.7K | 0.00% | +11,987 | New |
| Two Sigma Securities, LLC | 12,491 | $182.0K | 0.02% | +12,491 | New |
| Janney Montgomery Scott LLC | 12,562 | $183.0K | 0.00% | +12,562 | New |
| Blankinship & Foster, LLC | 12,777 | $186.2K | 0.04% | 00.0% | Unchanged |
| Three Seasons Wealth, LLC | 12,869 | $187.5K | 0.02% | 00.0% | Unchanged |
| Creative Planning | 13,884 | $202.3K | 0.00% | +287+2.1% | Added |
| New York Life Investment Management LLC | 14,693 | $214.1K | 0.00% | −4,828−24.7% | Reduced |
| Bellevue Group AG | 15,279 | $222.6K | 0.00% | −579−3.7% | Reduced |
| Persistent Asset Partners Ltd | 15,312 | $223.1K | 0.07% | +15,312 | New |
| Gotham Asset Management, LLC | 15,727 | $229.1K | 0.00% | 00.0% | Unchanged |
| New World Advisors LLC | 16,361 | $238.4K | 0.04% | +16,361 | New |
| GF Fund Management Co. Ltd. | 16,404 | $239.0K | 0.00% | −316−1.9% | Reduced |
| Bayesian Capital Management, LP | 17,200 | $250.6K | 0.16% | +17,200 | New |