Summit Therapeutics PLC
Ownership
Ownership Structure
Who owns Summit Therapeutics PLC (SMMT)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 19.3% of the shares are freely tradable; institutional investors hold 15.8%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Baker Bros Advisors LP | 4.11 | 32,786,348 | -9.9 | 06/30/2026 |
| FMR Inc | 1.26 | 10,043,947 | -7.5 | 06/30/2026 |
| State Street Corp | 1.20 | 9,536,796 | +35.7 | 06/30/2026 |
| BlackRock Inc | 1.19 | 9,529,041 | -1.3 | 06/30/2026 |
| Vanguard Capital Management, LLC | 0.72 | 5,734,484 | +0.4 | 06/30/2026 |
| UBS Group AG | 0.66 | 5,233,798 | +42.2 | 06/30/2026 |
| Vanguard Portfolio Management, LLC | 0.63 | 5,042,190 | -3.7 | 06/30/2026 |
| The Goldman Sachs Group Inc | 0.57 | 4,513,399 | +1,352.5 | 06/30/2026 |
| T. Rowe Price Associates, Inc. | 0.49 | 3,893,820 | -53.0 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard MStar Total Stk Mkt Idx Invest | 0.64 | 5,120,666 | +37.8 | 09/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Anand Bhaskar | Chief Accounting Officer | 261,047 | 4,124,543 $ | Oct 8, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Oct 8, 2026 | Anand Bhaskar | Chief Accounting Officer | Other | 100,000 | 0.00 | – |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: November 3, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.