Rapport Therapeutics, Inc. 13F holders
160 funds reported a position in Rapport Therapeutics, Inc. in their 13F for the quarter ended 30 June 2026, together 51.3 million shares worth $2.13 billion. Against the quarter before, 24 opened a position, 56 added, 47 trimmed and 12 sold out; together they sold a net 1.2 million shares. The largest holders: FMR LLC, TRV GP V, LLC and ARCH Venture Management, LLC.
Funds holding160+13 on Q1 2026
Shares they held51.3Mworth $2.13 billion
Net sold on the quarter1.2M sharesabout $50.9 million at the funds' values
Funds buying to selling80 to 59opened or added, to cut or sold
Opened 24Added 56Held 30Trimmed 47Sold out 12
What each fund did in RAPP against its 13F for the quarter before; a change under 0.1% of a holding counts as held
Funds reporting a position in RAPP in their 13F, each quarter; hover a bar for the shares they held
Filed so far for the quarter to 30 September 2026
3,241 funds have filed their 13F for the quarter so far; the rest are due by 16 November 2026. Of those, 28 reported a position in Rapport Therapeutics, Inc.: 7 opened one, 9 added, 1 trimmed and 6 sold out, a net 757 shares sold.
The largest moves in the name among the funds that have filed, against each fund's previous 13F.
The well-known funds
Of the 44 funds followed here, 5 reported a position in Rapport Therapeutics, Inc. in a 13F for the quarter ended 30 June 2026. The largest: FMR LLC, 7.2 million shares worth $298.9 million, 0.0% of its reported book. New this quarter: Citadel Advisors. Sold out: Renaissance Technologies. In the quarter, 2 funds added or opened a position and 3 trimmed or sold out; together they sold a net 23,704 shares, about $987,746 at the funds' own value per share on 30 June 2026. A change under 0.1% of a holding counts as held.
| Fund | Shares | Value | Of its book | Change on the quarter | Status | Quarter ended | Filing |
|---|---|---|---|---|---|---|---|
| FMR LLC | 7,172,894 | $298.9 million | 0.0% | +3,955 | held | 30 June 2026 | 13F |
| Geode Capital Management | 793,453 | $33.1 million | 0.0% | +71,831 | added | 30 June 2026 | 13F |
| Millennium Management | 154,908 | $6.5 million | 0.0% | -164,644 | trimmed | 30 June 2026 | 13F |
| Citadel Advisors | 82,442 | $3.4 million | 0.0% | +82,442 | new | 30 June 2026 | 13F |
| Two Sigma Investments | 24,470 | $1.0 million | 0.0% | -3,633 | trimmed | 30 June 2026 | 13F |
| Renaissance Technologies | 0 | $0 | 0.0% | -9,700 | exited | 30 June 2026 | 13F |
Value is what the fund reported.
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Change is shares against the fund's previous 13F; a fund with one filing read shows no change. 13Fs cover long US positions of managers above $100 million and are filed up to 45 days after the quarter.The largest holders
| Fund | Shares | Share of all | Value | Of its book | Change in shares | Filing |
|---|---|---|---|---|---|---|
| FMR LLC | 7,172,894 | 13.99% | $298.9 million | 0.01% | +3,955 | 13F |
| TRV GP V, LLC | 6,280,525 | 12.25% | $261.7 million | 52.53% | -854,708 | 13F |
| ARCH Venture Management, LLC | 3,728,738 | 7.27% | $155.4 million | 14.12% | no change | 13F |
| Capital International Investors | 2,921,958 | 5.70% | $121.8 million | 0.03% | -176,015 | 13F |
| Goldman Sachs Group Inc. | 2,910,449 | 5.68% | $121.3 million | 0.01% | -31,802 | 13F |
| BlackRock, Inc. | 2,699,786 | 5.27% | $112.5 million | 0.00% | +193,831 | 13F |
| Cormorant Asset Management, LP | 2,657,521 | 5.18% | $110.7 million | 5.67% | -300,000 | 13F |
| Sofinnova Investments, Inc. | 1,904,408 | 3.71% | $79.4 million | 4.24% | no change | 13F |
| Johnson & Johnson | 1,784,517 | 3.48% | $74.4 million | 9.31% | no change | 13F |
| Polar Capital Holdings Plc | 1,608,514 | 3.14% | $67.0 million | 0.19% | -33,947 | 13F |
| Baker Bros. Advisors LP | 1,547,090 | 3.02% | $64.5 million | 0.32% | no change | 13F |
| Vanguard Capital Management LLC | 1,346,512 | 2.63% | $56.1 million | 0.00% | +21,430 | 13F |
| TRV GP Vi, LLC | 969,218 | 1.89% | $40.4 million | 17.39% | no change | 13F |
| State Street Corp. | 818,712 | 1.60% | $34.1 million | 0.00% | +59,160 | 13F |
| Geode Capital Management, LLC | 793,453 | 1.55% | $33.1 million | 0.00% | +71,831 | 13F |
| Price T Rowe Associates Inc. | 787,446 | 1.54% | $32.8 million | 0.00% | -79,010 | 13F |
| Perceptive Advisors LLC | 773,342 | 1.51% | $32.2 million | 0.50% | +99,419 | 13F |
| Vestal Point Capital, LP | 730,000 | 1.42% | $30.4 million | 0.71% | -706,229 | 13F |
| UBS AM, a distinct business unit of UBS Asset Management Americas LLC | 644,082 | 1.26% | $26.8 million | 0.01% | -274,784 | 13F |
| Siren, L.L.C. | 641,469 | 1.25% | $26.7 million | 0.54% | no change | 13F |
| Capital World Investors | 551,657 | 1.08% | $23.0 million | 0.00% | +15,050 | 13F |
| AllianceBernstein L.P. | 693,384 | 1.35% | $21.7 million | 0.01% | -34,459 | 13F |
| T. Rowe Price Investment Management, Inc. | 393,200 | 0.77% | $16.4 million | 0.01% | -227,400 | 13F |
| Dimensional Fund Advisors LP | 362,114 | 0.71% | $15.1 million | 0.00% | +137,616 | 13F |
| Vanguard Portfolio Management LLC | 359,944 | 0.70% | $15.0 million | 0.00% | +39,035 | 13F |
| Candriam S.C.A. | 347,650 | 0.68% | $14.5 million | 0.07% | +161,725 | 13F |
| Sio Capital Management, LLC | 307,657 | 0.60% | $12.8 million | 2.20% | -59,152 | 13F |
| Morgan Stanley | 297,612 | 0.58% | $12.4 million | 0.00% | +131,658 | 13F |
| Northern Trust Corp. | 277,305 | 0.54% | $11.6 million | 0.00% | +39,313 | 13F |
| Kennedy Capital Management LLC | 250,795 | 0.49% | $10.5 million | 0.18% | -6,636 | 13F |
| Burkehill Global Management, LP | 250,000 | 0.49% | $10.4 million | 0.39% | no change | 13F |
| Charles Schwab Investment Management Inc. | 246,815 | 0.48% | $10.3 million | 0.00% | +6,898 | 13F |
| Algert Global LLC | 223,822 | 0.44% | $9.3 million | 0.11% | new | 13F |
| Invesco Ltd. | 215,236 | 0.42% | $9.0 million | 0.00% | +43,479 | 13F |
| D. E. Shaw & Co., Inc. | 214,831 | 0.42% | $9.0 million | 0.01% | +39,382 | 13F |
| Vanguard Fiduciary Trust Co. | 208,333 | 0.41% | $8.7 million | 0.00% | +19,080 | 13F |
| Ensign Peak Advisors, Inc | 165,546 | 0.32% | $6.9 million | 0.01% | -28,654 | 13F |
| Millennium Management LLC | 154,908 | 0.30% | $6.5 million | 0.01% | -164,644 | 13F |
| UBS Group AG | 151,174 | 0.29% | $6.3 million | 0.00% | -584 | 13F |
| Adage Capital Partners GP, L.l.c. | 150,000 | 0.29% | $6.3 million | 0.01% | no change | 13F |
| Artia Global Partners LP | 138,508 | 0.27% | $5.8 million | 1.10% | no change | 13F |
| Swedbank AB | 117,400 | 0.23% | $4.9 million | 0.00% | +4,200 | 13F |
| Nuveen, LLC | 103,361 | 0.20% | $4.3 million | 0.00% | +31,853 | 13F |
| Walleye Capital LLC | 102,163 | 0.20% | $4.3 million | 0.02% | +91,015 | 13F |
| Woodline Partners LP | 97,537 | 0.19% | $4.1 million | 0.01% | new | 13F |
| TD Asset Management Inc | 91,878 | 0.18% | $3.8 million | 0.00% | -7,200 | 13F |
| Wellington Management Group LLP | 86,988 | 0.17% | $3.6 million | 0.00% | +8,757 | 13F |
| Prudential Financial Inc. | 86,885 | 0.17% | $3.6 million | 0.00% | -27,930 | 13F |
| Citadel Advisors LLC | 82,442 | 0.16% | $3.4 million | 0.00% | new | 13F |
| Bank of New York Mellon Corp | 82,222 | 0.16% | $3.4 million | 0.00% | +9,903 | 13F |
The 50 largest of the 160 funds that reported a position in RAPP in their 13F for the quarter ended 30 June 2026, by the value each reported.
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Share of all is the fund's part of all the shares the funds reported. Change is shares against the fund's 13F for the quarter before. A 13F lists a manager's long positions in US-listed shares at the quarter's end. What is a 13F?Schedule 13D and 13G filed on the name, last twelve months
| Filed | Schedule | Who | Holding | Of the class | Event date | Rule or purpose | Filing |
|---|---|---|---|---|---|---|---|
| 14 August 2026 | 13G/A | Third Rock Ventures V, L.P. and 11 others | 6.3 million | 13.1% | 30 June 2026 | passive, other (13d-1(d)) | EDGAR |
| 14 August 2026 | 13G/A | Cormorant Asset Management, LP and 3 others | 2.7 million | 5.6% | 30 June 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 12 August 2026 | 13G/A | Capital International Investors and 1 other | 2.9 million | 6.1% | 30 June 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 15 May 2026 | 13G/A | Cormorant Asset Management, LP and 3 others | 3.0 million | 6.2% | 31 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 17 February 2026 | 13G/A | Cormorant Asset Management, LP and 3 others | 3.0 million | 6.3% | 31 December 2025 | passive, institutional (13d-1(b)) | EDGAR |
| 21 January 2026 | 13G | BlackRock, Inc. and 1 other | 2.4 million | 5.0% | 31 December 2025 | passive, institutional (13d-1(b)) | EDGAR |
| 14 November 2025 | 13G/A | Cormorant Asset Management, LP and 3 others | 3.2 million | 6.7% | 30 September 2025 | passive, institutional (13d-1(b)) | EDGAR |
A Schedule 13D is filed by anyone who crosses 5% of a class with intent to influence; a 13G by a passive holder.
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Amendments (/A) report a change, including an exit to zero. Holding and percentage are as the filer stated them on the cover page; the purpose is the filer's own words, cut short. 13D and 13GFails to deliver
| Settlement date | Shares failed | Price | File |
|---|---|---|---|
| 18 September 2026 | 29 | $41.95 | SEC |
| 3 September 2026 | 894 | $48.69 | SEC |
| 28 August 2026 | 325 | $50.83 | SEC |
| 19 August 2026 | 2,723 | $49.01 | SEC |
Shares that failed to deliver at settlement, per day, from the SEC's half-month files, which arrive about two weeks after the period.