Avidity BiosciencesRNAM
13F holders, Q3 2025 (September 30)272holders +66
81new positions
13sold out
3famous investors
$43.55avg. 13F price*
At the end of Q3 2025, 272 institutions reported holding Avidity Biosciences Inc. (RNAM) in their 13F filings, up 66 from Q2 2025. 81 opened new positions and 13 sold out. The largest holders were FMR LLC ($940.5M), Janus Henderson Group PLC ($632.8M) and Vanguard Group Inc. ($576.0M). 3 famous investors held it, including Ken Griffin (0.0% of Citadel Advisors's portfolio), Israel Englander (0.0% of Millennium Management's portfolio) and David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio).
- Company
- Avidity Biosciences Inc.
- CUSIP
- 05370A108
- Latest filing quarter
- Q1 2026
History
Number of 13F holders
Total Exit/New Position Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 81 | $296.9M |
| Exits | 13 | $114.0M |
All 13F filers, Q2 2025 → Q3 2025: 34,101,618 shares bought and 8,207,283 shares sold, net +25,894,335 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 272 holders
| FMR LLC | 0.05% | Add +33.4% | 21,585,984 | $940.5M |
| Janus Henderson Group PLC | 0.29% | Add +34.8% | 14,522,915 | $632.8M |
| Vanguard Group Inc. | 0.01% | Add +42.9% | 13,219,759 | $576.0M |
| RTW Investments, LP | 6.11% | Add +18.2% | 11,372,829 | $495.5M |
| Wellington Management Group LLP | 0.08% | Add +8.8% | 10,065,187 | $438.5M |
| T. Rowe Price Associates Inc. | 0.05% | Reduce -9.4% | 9,787,417 | $426.4M |
| BlackRock, Inc. | 0.01% | Reduce -1.4% | 9,202,579 | $401.0M |
| Ra Capital Management, L.P. | 4.64% | Add +18.9% | 8,641,031 | $376.5M |
| Avoro Capital Advisors LLC | 4.31% | Add +8.4% | 7,645,000 | $333.1M |
| State Street Corp. | 0.01% | Add +16.4% | 4,888,632 | $213.0M |
| Geode Capital Management, LLC | 0.01% | Add +0.3% | 2,858,049 | $124.5M |
| Polar Capital Holdings Plc | 0.59% | Add +58.0% | 2,796,760 | $121.9M |
| Bellevue Group AG | 1.95% | New | 2,152,862 | $93.8M |
| Casdin Capital, LLC | 6.47% | Add +0.3% | 1,780,000 | $77.6M |
| Goldman Sachs Group Inc. | 0.01% | Add +51.2% | 1,732,469 | $75.5M |
| Bank of America Corp. | 0.01% | Reduce -6.2% | 1,725,186 | $75.2M |
| Orbimed Advisors LLC | 1.71% | Reduce -9.6% | 1,638,886 | $71.4M |
| T. Rowe Price Investment Management, Inc. | 0.04% | Add +72.2% | 1,401,906 | $61.1M |
| Pictet Asset Management Holding SA | 0.06% | Add +38.3% | 1,338,091 | $58.2M |
| UBS Group AG | 0.01% | Add +120.6% | 1,315,859 | $57.3M |
| Siren, L.L.C. | 2.19% | Add +15.8% | 1,285,610 | $56.0M |
| Fiera Capital Corp | 0.17% | Add +53.8% | 1,202,384 | $52.4M |
| Adage Capital Partners Gp, L.L.C. | 0.08% | Reduce -21.4% | 1,200,000 | $52.3M |
| Charles Schwab Investment Management Inc. | 0.01% | Add +7.2% | 1,123,777 | $49.0M |
| Northern Trust Corp. | 0.01% | Reduce -2.2% | 975,056 | $42.5M |
| Artisan Partners Limited Partnership | 0.06% | Add +2.4% | 903,292 | $39.4M |
| Citadel Advisors | 0.03% | Add +4042.2% | 899,764 | $39.2M |
| JPMorgan Chase & Co. | 0.00% | Add +55.0% | 899,557 | $39.2M |
| Sofinnova Investments, Inc. | 2.34% | Add +49.8% | 875,925 | $38.2M |
| Silverarc Capital Management, LLC | 5.33% | Add +106.0% | 844,633 | $36.8M |
| EcoR1 Capital, LLC | 1.60% | Add +53.0% | 765,000 | $33.3M |
| MPM Bioimpact LLC | 5.42% | No change | 760,022 | $33.1M |
| Montanova Capital, LLC | 0.99% | New | 750,000 | $32.7M |
| Clearbridge Investments, LLC | 0.02% | New | 741,686 | $32.3M |
| Morgan Stanley | 0.00% | Add +55.1% | 691,512 | $30.1M |
| Marshall Wace, LLP | 0.03% | Add +962.0% | 639,584 | $27.9M |
| Frazier Life Sciences Management, L.P. | 0.82% | No change | 625,000 | $27.2M |
| Baker Bros. Advisors LP | 0.20% | New | 625,000 | $27.2M |
| Logos Global Management LP | 2.58% | Reduce -36.8% | 600,000 | $26.1M |
| Ensign Peak Advisors, Inc | 0.04% | Add +9.4% | 580,857 | $25.3M |
| Candriam S.C.A. | 0.11% | Add +10.2% | 487,917 | $21.3M |
| TD Asset Management Inc | 0.02% | Add +13.1% | 457,172 | $19.9M |
| Alethea Capital Management, LLC | 12.51% | Add +4.1% | 446,127 | $19.4M |
| Schroder Investment Management Group | 0.01% | Add +18.1% | 406,031 | $17.3M |
| New York State Common Retirement Fund | 0.02% | Add +44.2% | 392,644 | $17.1M |
| Dimensional Fund Advisors LP | 0.00% | Add +16.6% | 385,485 | $16.8M |
| Bank of New York Mellon Corp | 0.00% | Reduce -0.3% | 381,828 | $16.6M |
| Eventide Asset Management, LLC | 0.27% | Add +0.0% | 375,989 | $16.4M |
| Barclays PLC | 0.01% | Reduce -5.2% | 352,287 | $15.3M |
| Voya Investment Management LLC | 0.02% | Reduce -1.6% | 343,549 | $15.0M |
| Braidwell LP | 0.58% | New | 331,907 | $14.5M |
| Woodline Partners LP | 0.07% | Reduce -49.0% | 323,774 | $14.1M |
| Royal Bank of Canada | 0.00% | Reduce -47.8% | 316,459 | $13.8M |
| Wells Fargo & Company | 0.00% | Add +20.3% | 307,394 | $13.4M |
| Aberdeen Group plc | 0.02% | Add +8.9% | 304,828 | $13.3M |
| Eversept Partners, LP | 1.01% | New | 302,911 | $13.2M |
| Cormorant Asset Management, LP | 0.90% | Add +50.0% | 300,000 | $13.1M |
| Victory Capital Management Inc. | 0.01% | Add +513.1% | 291,047 | $12.7M |
| University of Wisconsin Foundation | 10.67% | New | 289,201 | $12.6M |
| Manufacturers Life Insurance Company, The | 0.01% | Add +0.9% | 265,809 | $11.6M |
| Deutsche Bank AG | 0.00% | Add +9.8% | 264,614 | $11.5M |
| Catalio Capital Management, LP | 2.12% | New | 263,256 | $11.5M |
| Nuveen, LLC | 0.00% | Reduce -21.2% | 212,292 | $9.2M |
| Swiss National Bank | 0.01% | Add +21.3% | 208,800 | $9.1M |
| Russell Investments Group, Ltd. | 0.01% | Add +11560.8% | 205,464 | $9.0M |
| Invesco Ltd. | 0.00% | Reduce -22.5% | 188,363 | $8.2M |
| Envestnet Asset Management Inc. | 0.00% | Add +173.2% | 179,103 | $7.8M |
| Alyeska Investment Group, L.P. | 0.02% | Add +40.0% | 175,000 | $7.6M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Reduce -56.1% | 173,995 | $7.6M |
| Rafferty Asset Management, LLC | 0.02% | Add +36.7% | 173,480 | $7.6M |
| Raymond James Financial Inc. | 0.00% | Add +10.2% | 166,611 | $7.3M |
| Neuberger Berman Group LLC | 0.01% | New | 161,435 | $7.0M |
| Rhumbline Advisers | 0.01% | Reduce -9.9% | 158,071 | $6.9M |
| EFG Asset Management (North America) Corp. | 0.84% | Reduce -12.0% | 149,149 | $6.5M |
| Mutual of America Capital Management LLC | 0.07% | Reduce -15.3% | 148,849 | $6.5M |
| Susquehanna Portfolio Strategies, LLC | 0.09% | Add +104.1% | 131,104 | $5.7M |
| Alliancebernstein L.P. | 0.00% | Reduce -4.9% | 124,440 | $5.4M |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.01% | Reduce -10.7% | 122,599 | $5.3M |
| Legal & General Group Plc | 0.00% | Add +18.1% | 121,814 | $5.3M |
| Cantor Fitzgerald, L. P. | 0.10% | New | 114,236 | $5.0M |
| Stempoint Capital LP | 1.00% | New | 114,053 | $5.0M |
| Artia Global Partners LP | 0.84% | Add +218.2% | 110,100 | $4.8M |
| Palo Alto Investors LP | 0.89% | Reduce -7.6% | 109,831 | $4.8M |
| AXA Investment Managers S.A. | 0.01% | — | 101,658 | $4.4M |
| California State Teachers Retirement System | 0.00% | Reduce -1.0% | 89,328 | $3.9M |
| Prudential Financial Inc. | 0.00% | Reduce -24.9% | 84,865 | $3.7M |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 0.01% | Reduce -1.6% | 80,070 | $3.5M |
| Sei Investments Co. | 0.00% | Add +31.8% | 73,363 | $3.2M |
| Alps Advisors Inc. | 0.02% | Add +8.5% | 70,573 | $3.1M |
| HighVista Strategies LLC | 0.70% | Add +60.5% | 65,580 | $2.9M |
| Mirador Capital Partners LP | 0.40% | Add +54.8% | 64,055 | $2.8M |
| Driehaus Capital Management LLC | 0.02% | New | 60,577 | $2.6M |
| Maven Securities LTD | 0.50% | New | 60,000 | $2.6M |
| Burkehill Global Management, LP | 0.15% | New | 60,000 | $2.6M |
| MetLife Investment Management, LLC | 0.01% | Reduce -13.0% | 59,278 | $2.6M |
| ExodusPoint Capital Management, LP | 0.04% | New | 58,835 | $2.6M |
| RK Capital Management, LLC | 3.95% | New | 58,600 | $2.6M |
| State of Wisconsin Investment Board | 0.01% | Reduce -13.3% | 56,350 | $2.5M |
| ADAR1 Capital Management, LLC | 0.23% | New | 53,656 | $2.3M |
| Privium Fund Management B.V. | 0.42% | Add +15.2% | 53,000 | $2.3M |
"% of holder's portfolio" is RNAM's weight in each manager's 13F, not the share of Avidity Biosciences Inc. the manager owns.