Avidity BiosciencesRNAM
13F holders, Q4 2025 (December 31)344holders +72
143new positions
81sold out
8famous investors
$72.11avg. 13F price*
At the end of Q4 2025, 344 institutions reported holding Avidity Biosciences Inc. (RNAM) in their 13F filings, up 72 from Q3 2025. 143 opened new positions and 81 sold out. The largest holders were Vanguard Group Inc. ($984.5M), BlackRock, Inc. ($926.9M) and Ra Capital Management, L.P. ($623.3M). 8 famous investors held it, including George Soros (1.1% of Soros Fund Management's portfolio), Paul Tudor Jones (0.3% of Tudor Investment Corporation's portfolio) and Israel Englander (0.1% of Millennium Management's portfolio).
- Company
- Avidity Biosciences Inc.
- CUSIP
- 05370A108
- Latest filing quarter
- Q1 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 143 | $3.9B |
| Exits | 81 | $1.2B |
All 13F filers, Q3 2025 → Q4 2025: 73,496,260 shares bought and 87,612,410 shares sold, net −14,116,150 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 344 holders
| Vanguard Group Inc. | 0.01% | Add +3.3% | 13,649,250 | $984.5M |
| BlackRock, Inc. | 0.02% | Add +39.6% | 12,850,801 | $926.9M |
| Ra Capital Management, L.P. | 6.39% | No change | 8,641,031 | $623.3M |
| Janus Henderson Group PLC | 0.22% | Reduce -52.2% | 6,939,503 | $500.6M |
| Balyasny Asset Management L.P. | 0.85% | New | 6,040,590 | $435.7M |
| Pentwater Capital Management LP | 3.14% | New | 6,026,500 | $434.7M |
| Avoro Capital Advisors LLC | 3.87% | Reduce -28.6% | 5,455,000 | $393.5M |
| HBK Investments L P | 3.71% | New | 4,365,000 | $314.8M |
| State Street Corp. | 0.01% | Reduce -16.2% | 4,097,885 | $295.6M |
| Goldman Sachs Group Inc. | 0.04% | Add +118.0% | 3,776,785 | $272.4M |
| OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC) | 7.51% | New | 3,716,597 | $268.1M |
| Farallon Capital Management, L.L.C. | 1.21% | New | 3,233,000 | $233.2M |
| Geode Capital Management, LLC | 0.01% | Add +9.2% | 3,120,780 | $225.1M |
| Norges Bank | 0.02% | — | 3,046,388 | $219.7M |
| Bellevue Group AG | 3.60% | Add +22.2% | 2,630,969 | $189.8M |
| Adage Capital Partners Gp, L.L.C. | 0.29% | Add +119.3% | 2,630,966 | $189.8M |
| Glazer Capital, LLC | 5.26% | New | 2,467,139 | $178.0M |
| UBS Group AG | 0.03% | Add +79.1% | 2,356,812 | $170.0M |
| Weiss Asset Management LP | 2.82% | New | 2,161,093 | $155.9M |
| Millennium Management | 0.12% | Add +7182.4% | 2,157,270 | $155.6M |
| TIG Advisors, LLC | 6.26% | New | 1,801,683 | $130.0M |
| Citadel Advisors | 0.08% | Add +77.0% | 1,592,429 | $114.9M |
| Charles Schwab Investment Management Inc. | 0.01% | Add +5.2% | 1,181,661 | $85.2M |
| Magnetar Financial LLC | 0.88% | New | 1,158,603 | $83.6M |
| FIL Ltd | 0.06% | New | 1,144,000 | $82.5M |
| Qube Research & Technologies Ltd | 0.11% | New | 1,105,830 | $79.8M |
| Morgan Stanley | 0.00% | Add +58.0% | 1,092,482 | $78.8M |
| Alliancebernstein L.P. | 0.02% | Add +741.7% | 1,047,410 | $75.5M |
| KRYGER CAPITAL Ltd | 5.82% | New | 1,045,320 | $75.4M |
| Northern Trust Corp. | 0.01% | Add +4.5% | 1,019,087 | $73.5M |
| Casdin Capital, LLC | 4.48% | Reduce -43.8% | 1,000,000 | $72.1M |
| Frazier Life Sciences Management, L.P. | 1.91% | Add +57.3% | 983,125 | $70.9M |
| Westchester Capital Management, LLC | 3.27% | New | 962,659 | $69.4M |
| Nexpoint Asset Management, L.P. | 4.66% | New | 923,950 | $66.6M |
| Tang Capital Management LLC | 3.21% | New | 900,000 | $64.9M |
| Man Group plc | 0.13% | Add +2950.2% | 898,277 | $64.8M |
| Squarepoint Ops LLC | 0.13% | New | 868,200 | $62.6M |
| Alpine Associates Management Inc. | 4.22% | New | 867,530 | $62.6M |
| Soros Fund Management | 1.09% | New | 840,976 | $60.7M |
| JPMorgan Chase & Co. | 0.00% | Reduce -8.7% | 820,990 | $59.2M |
| Sofinnova Investments, Inc. | 2.32% | Reduce -14.9% | 745,116 | $53.7M |
| Tudor Investment Corporation | 0.30% | New | 733,010 | $52.9M |
| Wellington Management Group LLP | 0.01% | Reduce -92.8% | 723,118 | $52.2M |
| Slotnik Capital, LLC | 14.12% | New | 715,000 | $51.6M |
| Bank of America Corp. | 0.00% | Reduce -59.0% | 706,665 | $51.0M |
| Verition Fund Management LLC | 0.28% | Add +1800.0% | 680,721 | $49.1M |
| Woodline Partners LP | 0.19% | Add +107.4% | 671,623 | $48.4M |
| Voloridge Investment Management, LLC | 0.16% | New | 642,224 | $46.3M |
| Neuberger Berman Group LLC | 0.03% | Add +285.6% | 622,439 | $44.9M |
| Orbimed Advisors LLC | 0.91% | Reduce -62.2% | 619,530 | $44.7M |
| BNP Paribas Financial Markets | 0.03% | Add +2137.2% | 610,547 | $44.0M |
| LMR Partners LLP | 0.55% | New | 598,525 | $43.2M |
| Highbridge Capital Management LLC | 3.35% | New | 585,550 | $42.2M |
| Sculptor Capital LP | 0.84% | New | 566,000 | $40.8M |
| ADAR1 Capital Management, LLC | 2.95% | Add +918.6% | 546,534 | $39.4M |
| Barclays PLC | 0.02% | Add +50.8% | 531,203 | $38.3M |
| Polar Asset Management Partners Inc. | 0.98% | New | 529,510 | $38.2M |
| Eventide Asset Management, LLC | 0.59% | Add +39.5% | 524,643 | $37.8M |
| Logos Global Management LP | 2.40% | Reduce -16.7% | 500,000 | $36.1M |
| Westfield Capital Management Co. LP | 0.14% | New | 471,127 | $34.0M |
| Citigroup Inc. | 0.02% | Add +1494.7% | 467,686 | $33.7M |
| Alethea Capital Management, LLC | 15.62% | No change | 446,127 | $32.2M |
| Caxton Associates LLP | 0.63% | New | 442,307 | $31.9M |
| Schonfeld Strategic Advisors LLC | 0.16% | New | 439,812 | $31.7M |
| Picton Mahoney Asset Management | 0.34% | New | 425,000 | $30.7M |
| Bank of New York Mellon Corp | 0.01% | Add +9.3% | 417,539 | $30.1M |
| Capula Management Ltd | 0.18% | New | 389,566 | $28.1M |
| Oddo BHF Asset Management Sas | 1.03% | New | 377,500 | $27.2M |
| Twin Securities, Inc. | 10.09% | New | 365,144 | $26.3M |
| Nearwater Capital Markets, Ltd | 0.44% | New | 360,200 | $26.0M |
| Melqart Asset Management (UK) Ltd | 2.57% | New | 355,691 | $25.7M |
| Sand Grove Capital Management LLP | 8.11% | New | 331,605 | $23.9M |
| Harvest Management LLC | 8.79% | New | 329,300 | $23.8M |
| Gabelli Funds LLC | 0.16% | New | 328,616 | $23.7M |
| Boussard & Gavaudan Investment Management LLP | 3.58% | New | 328,204 | $23.7M |
| Allianz Asset Management GmbH | 0.03% | Add +2037.2% | 309,887 | $22.4M |
| GABELLI & Co INVESTMENT ADVISERS, INC. | 3.30% | New | 303,030 | $21.9M |
| Susquehanna International Group, LLP | 0.03% | Add +491.7% | 268,393 | $19.4M |
| Nuveen, LLC | 0.00% | Add +18.4% | 251,460 | $18.1M |
| Decagon Asset Management LLP | 7.43% | New | 242,436 | $17.5M |
| Hudson Bay Capital Management LP | 0.10% | Add +627.4% | 218,226 | $15.7M |
| Swiss National Bank | 0.01% | Add +3.4% | 215,800 | $15.6M |
| Marshall Wace, LLP | 0.01% | Reduce -66.8% | 212,581 | $15.3M |
| Wells Fargo & Company | 0.00% | Reduce -31.5% | 210,604 | $15.2M |
| AQR Arbitrage LLC | 0.41% | New | 208,705 | $15.1M |
| CRCM LP | 4.93% | New | 202,370 | $14.6M |
| Vestcor Inc | 0.41% | New | 200,000 | $14.4M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +8.5% | 188,807 | $13.6M |
| Healthcare of Ontario Pension Plan Trust Fund | 0.02% | New | 185,000 | $13.3M |
| Athos Capital Ltd | 5.37% | New | 184,564 | $13.3M |
| FMR LLC | 0.00% | Reduce -99.2% | 183,229 | $13.2M |
| Fort Baker Capital Management LP | 1.78% | New | 178,980 | $12.9M |
| PSquared Asset Management AG | 5.68% | New | 168,415 | $12.1M |
| Water Island Capital LLC | 1.60% | New | 168,385 | $12.1M |
| Credit Industriel Et Commercial | 2.78% | New | 168,000 | $12.1M |
| Deutsche Bank AG | 0.00% | Reduce -37.0% | 166,841 | $12.0M |
| Versor Investments LP | 1.83% | New | 162,880 | $11.7M |
| Groupe la Francaise | 0.17% | New | 162,398 | $11.7M |
| Gardner Lewis Asset Management L P | 2.91% | New | 158,959 | $11.5M |
| GMO | 0.03% | New | 154,455 | $11.1M |
"% of holder's portfolio" is RNAM's weight in each manager's 13F, not the share of Avidity Biosciences Inc. the manager owns.