Rapport TherapeuticsRAPP
13F holders, Q1 2026 (March 31)147holders +3
23new positions
23sold out
4famous investors
$31.28avg. 13F price*
At the end of Q1 2026, 147 institutions reported holding Rapport Therapeutics Inc. (RAPP) in their 13F filings, up 3 from Q4 2025. 23 opened new positions and 23 sold out. The largest holders were FMR LLC ($224.3M), TRV GP V, LLC ($223.3M) and ARCH Venture Management, LLC ($116.7M). 4 famous investors held it, including Israel Englander (0.0% of Millennium Management's portfolio), David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio) and Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio).
- Company
- Rapport Therapeutics Inc.
- CUSIP
- 75383L102
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 23 | $30.8M |
| Exits | 23 | $8.9M |
All 13F filers, Q4 2025 → Q1 2026: 2,999,903 shares bought and 1,661,467 shares sold, net +1,338,436 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 147 holders
| FMR LLC | 0.01% | Add +0.8% | 7,168,939 | $224.3M |
| TRV GP V, LLC | 55.68% | No change | 7,135,233 | $223.3M |
| ARCH Venture Management, LLC | 17.23% | No change | 3,728,738 | $116.7M |
| Capital International Investors | 0.02% | Reduce -8.9% | 3,097,973 | $96.9M |
| Cormorant Asset Management, LP | 4.67% | Reduce -2.3% | 2,957,521 | $92.5M |
| Goldman Sachs Group Inc. | 0.01% | Reduce -2.0% | 2,942,251 | $92.1M |
| BlackRock, Inc. | 0.00% | Add +3.0% | 2,505,955 | $78.4M |
| Sofinnova Investments, Inc. | 2.99% | No change | 1,904,408 | $59.6M |
| Johnson & Johnson | 8.56% | No change | 1,784,517 | $55.8M |
| Polar Capital Holdings Plc | 0.22% | Add +63.5% | 1,642,461 | $51.4M |
| Baker Bros. Advisors LP | 0.28% | No change | 1,547,090 | $48.4M |
| Vestal Point Capital, LP | 1.26% | Add +29.4% | 1,436,229 | $44.9M |
| Vanguard Capital Management LLC | 0.00% | — | 1,325,082 | $41.5M |
| TRV GP Vi, LLC | 22.37% | No change | 969,218 | $30.3M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.01% | Reduce -3.5% | 918,866 | $28.8M |
| T. Rowe Price Associates Inc. | 0.00% | Reduce -1.7% | 866,456 | $27.1M |
| State Street Corp. | 0.00% | Add +6.3% | 759,552 | $23.8M |
| Geode Capital Management, LLC | 0.00% | Add +3.9% | 721,622 | $22.6M |
| Alliancebernstein L.P. | 0.01% | Reduce -7.7% | 727,843 | $22.1M |
| Perceptive Advisors LLC | 0.42% | No change | 673,923 | $21.1M |
| Siren, L.L.C. | 0.56% | Reduce -9.5% | 641,469 | $20.1M |
| T. Rowe Price Investment Management, Inc. | 0.01% | Add +0.3% | 620,600 | $19.4M |
| Capital World Investors | 0.00% | New | 536,607 | $16.8M |
| Sio Capital Management, LLC | 1.65% | Add +98.0% | 366,809 | $11.5M |
| Vanguard Portfolio Management LLC | 0.00% | — | 320,909 | $10.0M |
| Millennium Management | 0.01% | Add +58.3% | 319,552 | $10.0M |
| Kennedy Capital Management LLC | 0.17% | Add +44.0% | 257,431 | $8.1M |
| Burkehill Global Management, LP | 0.41% | No change | 250,000 | $7.8M |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -1.8% | 239,917 | $7.5M |
| Northern Trust Corp. | 0.00% | Add +7.8% | 237,992 | $7.4M |
| Dimensional Fund Advisors LP | 0.00% | Add +168.9% | 224,498 | $7.0M |
| Ensign Peak Advisors, Inc | 0.01% | No change | 194,200 | $6.1M |
| Vanguard Fiduciary Trust Co. | 0.00% | — | 189,253 | $5.9M |
| Candriam S.C.A. | 0.03% | New | 185,925 | $5.8M |
| D. E. Shaw & Co. | 0.00% | Reduce -29.1% | 175,449 | $5.5M |
| Invesco Ltd. | 0.00% | Reduce -35.7% | 171,757 | $5.4M |
| Morgan Stanley | 0.00% | Reduce -21.1% | 165,954 | $5.2M |
| UBS Group AG | 0.00% | Reduce -33.0% | 151,758 | $4.7M |
| Adage Capital Partners Gp, L.L.C. | 0.01% | No change | 150,000 | $4.7M |
| Artia Global Partners LP | 0.98% | No change | 138,508 | $4.3M |
| Freestone Grove Partners LP | 0.03% | New | 127,783 | $4.0M |
| Prudential Financial Inc. | 0.00% | Reduce -55.0% | 114,815 | $3.6M |
| Swedbank AB | 0.00% | No change | 113,200 | $3.5M |
| Bank of America Corp. | 0.00% | Add +220.7% | 110,826 | $3.5M |
| TD Asset Management Inc | 0.00% | Reduce -14.0% | 99,078 | $3.1M |
| Citigroup Inc. | 0.00% | Add +39.5% | 78,799 | $2.5M |
| Wellington Management Group LLP | 0.00% | Add +38.6% | 78,231 | $2.4M |
| Manufacturers Life Insurance Company, The | 0.00% | Reduce -4.2% | 75,359 | $2.4M |
| DAFNA Capital Management LLC | 0.54% | No change | 75,000 | $2.3M |
| Voya Investment Management LLC | 0.00% | Add +10.3% | 72,948 | $2.3M |
| Bank of New York Mellon Corp | 0.00% | Reduce -2.4% | 72,319 | $2.3M |
| Nuveen, LLC | 0.00% | Add +0.8% | 71,508 | $2.2M |
| Swiss National Bank | 0.00% | Add +3.5% | 56,500 | $1.8M |
| American Century Companies Inc. | 0.00% | Add +20.2% | 56,292 | $1.8M |
| XTX Topco Ltd | 0.03% | Add +266.7% | 47,903 | $1.5M |
| Alps Advisors Inc. | 0.01% | Reduce -0.6% | 38,907 | $1.2M |
| BNP Paribas Financial Markets | 0.00% | Add +191.0% | 35,952 | $1.1M |
| Y-Intercept (Hong Kong) Ltd | 0.02% | New | 35,825 | $1.1M |
| Rhumbline Advisers | 0.00% | Add +12.4% | 34,533 | $1.1M |
| California State Teachers Retirement System | 0.00% | Add +25.2% | 33,426 | $1.0M |
| Russell Investments Group, Ltd. | 0.00% | Add +1342.5% | 32,918 | $1.0M |
| Sei Investments Co. | 0.00% | Add +68.7% | 30,819 | $964K |
| Two Sigma Investments, LP | 0.00% | Reduce -44.5% | 28,103 | $879K |
| Sectoral Asset Management Inc. | 0.69% | Reduce -34.7% | 25,421 | $835K |
| AQR Capital Management | 0.00% | Add +22.2% | 25,510 | $798K |
| Deutsche Bank AG | 0.00% | Add +12.2% | 24,169 | $756K |
| State of Wisconsin Investment Board | 0.00% | Add +188.2% | 23,914 | $748K |
| Susquehanna Portfolio Strategies, LLC | 0.01% | Add +224.1% | 22,784 | $713K |
| Trexquant Investment LP | 0.00% | Reduce -66.7% | 20,984 | $657K |
| VANGUARD ASSET MANAGEMENT, Ltd | 0.00% | — | 18,532 | $580K |
| Vanguard Global Advisers, LLC | 0.00% | — | 17,240 | $539K |
| Legal & General Group Plc | 0.00% | Reduce -23.4% | 17,154 | $537K |
| MetLife Investment Management, LLC | 0.00% | No change | 15,996 | $501K |
| Susquehanna International Group, LLP | 0.00% | Add +53.5% | 15,672 | $490K |
| Creative Planning | 0.00% | Add +27.1% | 15,519 | $486K |
| VARCOV Co. | 0.18% | New | 15,473 | $484K |
| Optimize Financial Inc. | 0.23% | New | 14,656 | $459K |
| Ameriprise Financial Inc. | 0.00% | Reduce -1.4% | 14,585 | $456K |
| JPMorgan Chase & Co. | 0.00% | Add +4.7% | 15,846 | $439K |
| PSP Research LLC | 0.31% | Reduce -20.0% | 14,000 | $438K |
| Janus Henderson Group PLC | 0.00% | No change | 13,800 | $433K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +2.8% | 13,618 | $426K |
| Allianz Asset Management GmbH | 0.00% | No change | 13,200 | $413K |
| China Universal Asset Management Co., Ltd. | 0.03% | Add +12.0% | 12,058 | $377K |
| Acadian Asset Management LLC | 0.00% | Reduce -73.4% | 11,789 | $367K |
| Walleye Capital LLC | 0.00% | New | 11,148 | $349K |
| Wells Fargo & Company | 0.00% | Reduce -65.4% | 11,116 | $348K |
| New York State Common Retirement Fund | 0.00% | Add +50.7% | 11,000 | $344K |
| Catalyst Private Wealth, LLC | 0.17% | No change | 10,000 | $313K |
| Soleus Capital Management, L.P. | 0.01% | New | 10,000 | $313K |
| Gsa Capital Partners LLP | 0.02% | Reduce -22.0% | 9,928 | $311K |
| State of New Jersey Common Pension Fund D | 0.00% | New | 9,773 | $306K |
| Renaissance Technologies | 0.00% | Reduce -91.8% | 9,700 | $304K |
| Barclays PLC | 0.00% | Reduce -81.7% | 9,611 | $301K |
| Clear Wave Wealth Management LLC | 0.08% | — | 9,500 | $297K |
| Stifel Financial Corp. | 0.00% | Add +32.2% | 9,023 | $282K |
| Virtus Investment Advisers, LLC | 0.08% | Add +2.5% | 9,007 | $282K |
| Arizona State Retirement System | 0.00% | Add +1.7% | 7,854 | $246K |
| Verition Fund Management LLC | 0.00% | New | 7,531 | $236K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | No change | 7,471 | $234K |
| Vanguard Investments Australia, Ltd. | 0.00% | — | 7,259 | $227K |
| Intech Investment Management LLC | 0.00% | Reduce -12.3% | 7,035 | $220K |
| Allspring Global Investments Holdings, LLC | 0.00% | New | 6,868 | $215K |
| Mangrove Partners Im, LLC | 0.02% | New | 6,753 | $211K |
| State Board of Administration of Florida Retirement System | 0.00% | New | 6,612 | $207K |
| Quantbot Technologies LP | 0.01% | New | 6,493 | $203K |
| AlphaCentric Advisors LLC | 0.20% | Add +6.8% | 6,438 | $201K |
| ProShare Advisors LLC | 0.00% | Reduce -12.5% | 6,394 | $200K |
| KLP Kapitalforvaltning As | 0.00% | No change | 5,900 | $185K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +781.9% | 3,792 | $119K |
| SG Americas Securities, LLC | 0.00% | Reduce -61.0% | 3,776 | $118K |
| Mirae Asset Global Investments Co., Ltd. | 0.00% | Add +7.3% | 2,486 | $78K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 2,310 | $72K |
| STRS Ohio | 0.00% | No change | 2,100 | $66K |
| Cwm, LLC | 0.00% | Add +0.5% | 1,475 | $46K |
| Nisa Investment Advisors, LLC | 0.00% | No change | 1,353 | $42K |
| Tidemark, LLC | 0.01% | No change | 1,088 | $34K |
| GF Fund Management Co. LTD. | 0.00% | Add +14.4% | 1,070 | $33K |
| Sterling Capital Management LLC | 0.00% | Reduce -40.5% | 975 | $31K |
| KBC Group NV | 0.00% | New | 962 | $30K |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.00% | Add +38.6% | 582 | $18K |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0.00% | New | 513 | $16K |
| GAMMA Investing LLC | 0.00% | Add +10.5% | 378 | $12K |
| Simplex Trading, LLC | 0.00% | Add +1174.1% | 344 | $11K |
| Royal Bank of Canada | 0.00% | Reduce -79.5% | 225 | $7K |
| Signaturefd, LLC | 0.00% | Reduce -8.9% | 205 | $6K |
| Optiver Holding B.V. | 0.00% | Add +183.3% | 204 | $6K |
| Caitong International Asset Management Co., Ltd | 0.00% | New | 197 | $6K |
| MassMutual Private Wealth & Trust, FSB | 0.00% | Add +1.2% | 163 | $5K |
| EverSource Wealth Advisors, LLC | 0.00% | Add +27.8% | 147 | $5K |
| Federated Hermes, Inc. | 0.00% | Add +160.0% | 143 | $4K |
| Osaic Holdings, Inc. | 0.00% | Add +1188.9% | 116 | $4K |
| Larson Financial Group LLC | 0.00% | Add +22.9% | 102 | $3K |
| SBI Securities Co., Ltd. | 0.00% | No change | 63 | $2K |
| Quadrant Capital Group LLC | 0.00% | No change | 57 | $2K |
| Cornerstone Financial Management LLC | 0.00% | No change | 49 | $2K |
| PNC Financial Services Group, Inc. | 0.00% | Add +2.1% | 48 | $2K |
| True Wealth Design, LLC | 0.00% | No change | 44 | $1K |
| Essential Partners LLC | 0.00% | No change | 40 | $1K |
| Versant Capital Management, Inc | 0.00% | New | 27 | $845 |
| Rothschild Investment LLC | 0.00% | New | 20 | $626 |
| Sunbelt Securities, Inc. | 0.00% | No change | 11 | $344 |
| MAI Capital Management | 0.00% | New | 6 | $188 |
| US Bancorp \de | 0.00% | New | 5 | $156 |
| Allworth Financial LP | 0.00% | New | 4 | $126 |
| IFP Advisors, Inc | 0.00% | No change | 3 | $94 |
| Covestor Ltd | 0.00% | New | 5 | $0 |
"% of holder's portfolio" is RAPP's weight in each manager's 13F, not the share of Rapport Therapeutics Inc. the manager owns.