Institutional Ownership
Rapport Therapeutics Inc
CUSIP 75383L102COMRAPPQ1 2026
13D / 13G Filings
16
Schedule 13D/13G on record
Beneficial Filers
11
Distinct reporting persons
Largest Stake
19.5%
Max % of class reported
Institutional Holders
141
13F filers (latest quarter)
Beneficial Owners — Schedule 13D / 13G
16 filings · latest Feb 17, 2026
| # | Filed | Reporting Person | Form | % of Class | Shares | Filing |
|---|---|---|---|---|---|---|
| 1 | Feb 17, 2026 | Cormorant Asset Management, LP | 13G/A | 6.3% | 3.03M | SEC |
| 2 | Jan 21, 2026 | Blackrock, Inc. | 13G | 5.0% | 2.40M | SEC |
| 3 | Nov 14, 2025 | Cormorant Asset Management, LP | 13G/A | 6.7% | 3.19M | SEC |
| 4 | Oct 22, 2025 | Johnson &Amp; Johnson | 13G/A | 4.9% | 1.78M | SEC |
| 5 | Sep 18, 2025 | Sofinnova Venture Partners Xi, L.P. ("Svp Xi") | 13D/A | 4.2% | — | SEC |
| 6 | Feb 13, 2025 | Third Rock Ventures V, L.P. | 13G | 19.5% | 7.14M | SEC |
| 7 | Nov 14, 2024 | Cormorant Asset Management, LP | 13G/A | 8.0% | 2.94M | SEC |
| 8 | Nov 14, 2024 | Arch Venture Fund Xii, L.P. | 13G | 10.2% | 3.73M | SEC |
| 9 | Nov 13, 2024 | Capital International Investors | 13G | 7.1% | 2.60M | SEC |
| 10 | Nov 12, 2024 | Fmr LLC | 13G/A | 15.0% | — | SEC |
6 more beneficial-ownership filings on Premium
See the full Schedule 13D/13G history for Rapport Therapeutics Inc.
Unlock full historyTop Institutional Holders (13F)
Largest reported positions · latest quarter
| # | Fund | Shares | Value |
|---|---|---|---|
| 1 | Fmr LLC | 7.17M | $224.32M |
| 2 | Trv Gp V, LLC | 7.14M | $223.26M |
| 3 | Arch Venture Management, LLC | 3.73M | $116.67M |
| 4 | Capital International Investors | 3.10M | $96.94M |
| 5 | Cormorant Asset Management, LP | 2.96M | $92.54M |
| 6 | Goldman Sachs Group Inc | 2.94M | $92.06M |
| 7 | Blackrock, Inc. | 2.51M | $78.41M |
| 8 | Sofinnova Investments, Inc. | 1.90M | $59.59M |
| 9 | Johnson & Johnson | 1.78M | $55.84M |
| 10 | Polar Capital Holdings PLC | 1.64M | $51.39M |