164 institutions reported holding $1.0M of CENTESSA PHARMACEUTICALS PLC (CNTA) in SEC 13F filings for 2026-06-30. Largest institutional holders: SUMMIT SECURITIES GROUP LLC ($1.0M), SIMPLEX TRADING, LLC ($231), Bellevue Group AG ($0), TD Waterhouse Canada Inc. ($0), Nantahala Capital Management, LLC ($0). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | SUMMIT SECURITIES GROUP LLC | $1.0M | 25,000 | New |
| 2 | SIMPLEX TRADING, LLC | $231 | 128,300 | Added |
| 3 | Bellevue Group AG | $0 | 0 | Exited |
| 4 | TD Waterhouse Canada Inc. | $0 | 0 | Exited |
| 5 | Nantahala Capital Management, LLC | $0 | 0 | Exited |
| 6 | HRT FINANCIAL LP | $0 | 0 | Exited |
| 7 | GABELLI FUNDS LLC | $0 | 0 | Exited |
| 8 | CSS LLC/IL | $0 | 0 | Exited |
| 9 | HARVEST MANAGEMENT LLC | $0 | 0 | Exited |
| 10 | BNP PARIBAS FINANCIAL MARKETS | $0 | 0 | Exited |
| 11 | TWO SIGMA INVESTMENTS, LP | $0 | 0 | Exited |
| 12 | GEODE CAPITAL MANAGEMENT, LLC | $0 | 0 | Exited |
| 13 | Balyasny Asset Management L.P. | $0 | 0 | Exited |
| 14 | WATER ISLAND CAPITAL LLC | $0 | 0 | Exited |
| 15 | PERCEPTIVE ADVISORS LLC | $0 | 0 | Exited |
| 16 | PLATINUM INVESTMENT MANAGEMENT LTD | $0 | 0 | Exited |
| 17 | BAKER BROS. ADVISORS LP | $0 | 0 | Exited |
| 18 | MILLENNIUM MANAGEMENT LLC | $0 | 0 | Exited |
| 19 | SG Americas Securities, LLC | $0 | 0 | Exited |
| 20 | MARSHALL WACE, LLP | $0 | 0 | Exited |
| 21 | HighVista Strategies LLC | $0 | 0 | Exited |
| 22 | BBR PARTNERS, LLC | $0 | 0 | Exited |
| 23 | ProShare Advisors LLC | $0 | 0 | Exited |
| 24 | TIG Advisors, LLC | $0 | 0 | Exited |
| 25 | Zurcher Kantonalbank (Zurich Cantonalbank) | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30