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

0100200300400 Q1 2024: 158Q1 2024Q2 2024: 196Q2 2024Q3 2024: 245Q3 2024Q4 2024: 236Q4 2024Q1 2025: 220Q1 2025Q2 2025: 206Q2 2025Q3 2025: 272Q3 2025Q4 2025: 344Q4 2025Q1 2026: 1Q1 2026

Total Exit/New Position Q2 2025 → Q3 2025

InstitutionsTotal Value
New Positions81$296.9M
Exits13$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
Intech Investment Management LLC 0.02% Reduce -5.3% 52,953 $2.3M
Boothbay Fund Management, LLC 0.06% Add +426.9% 52,687 $2.3M
Creative Planning 0.00% Add +33.3% 52,333 $2.3M
Marex Group Ltd 0.03% New 52,000 $2.3M
Assetmark, Inc. 0.00% Add +72.5% 51,186 $2.2M
Monashee Investment Management LLC 1.12% New 50,000 $2.2M
SummitTX Capital, L.P. 0.09% Add +122.4% 49,142 $2.1M
State of New Jersey Common Pension Fund D 0.01% Reduce -22.1% 47,628 $2.1M
Kennedy Capital Management LLC 0.05% New 47,593 $2.1M
Assenagon Asset Management S.A. 0.00% Add +157.0% 45,923 $2.0M
Susquehanna International Group, LLP 0.00% Reduce -74.2% 45,359 $2.0M
Simplex Trading, LLC 0.04% Add +1450.3% 44,898 $2.0M
MML Investors Services, LLC 0.01% New 44,849 $2.0M
Foresite Capital Management VI LLC 0.67% No change 40,000 $1.7M
Group One Trading LLC 0.05% Add +68.3% 39,196 $1.7M
Profund Advisors LLC 0.05% Add +37.8% 37,654 $1.6M
DekaBank Deutsche Girozentrale 0.00% No change 60,000 $1.6M
Verition Fund Management LLC 0.01% Add +14.2% 35,827 $1.6M
Erste Asset Management GmbH 0.01% New 36,000 $1.5M
Handelsbanken Fonder AB 0.00% Add +22.8% 34,500 $1.5M
Franklin Resources Inc. 0.00% Reduce -13.0% 32,580 $1.4M
Arizona State Retirement System 0.01% Add +21.4% 31,902 $1.4M
Guggenheim Capital LLC 0.01% Reduce -3.8% 31,359 $1.4M
Fort Point Capital Partners LLC 0.17% Add +0.6% 31,278 $1.4M
Jane Street Group, LLC 0.00% Reduce -40.5% 31,223 $1.4M
Orion Porfolio Solutions, LLC 0.01% Add +37.3% 30,827 $1.3M
Teachers Retirement System of the State of Kentucky 0.01% Reduce -1.7% 30,079 $1.3M
Cinctive Capital Management LP 0.07% New 30,077 $1.3M
Diadema Partners LP 0.91% New 30,000 $1.3M
Hudson Bay Capital Management LP 0.01% Reduce -60.0% 30,000 $1.3M
Millennium Management 0.00% Reduce -87.5% 29,623 $1.3M
Man Group plc 0.00% Add +70.0% 29,450 $1.3M
Steward Partners Investment Advisory, LLC 0.01% Add +32.3% 29,340 $1.3M
Citigroup Inc. 0.00% Reduce -89.9% 29,327 $1.3M
NewEdge Advisors, LLC 0.01% Add +16.2% 29,211 $1.3M
Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% Reduce -3.3% 28,680 $1.2M
Police & Firemen's Retirement System of New Jersey 0.01% Add +11.1% 28,495 $1.2M
BNP Paribas Financial Markets 0.00% Add +61.5% 27,291 $1.2M
SG Americas Securities, LLC 0.00% Add +20.0% 26,316 $1.1M
State Board of Administration of Florida Retirement System 0.00% No change 25,496 $1.1M
KLP Kapitalforvaltning As 0.00% Add +22.6% 23,300 $1.0M
China Universal Asset Management Co., Ltd. 0.08% Reduce -6.8% 22,551 $983K
Moss Adams Wealth Advisors LLC 0.08% No change 22,496 $980K
Teacher Retirement System of Texas 0.00% Reduce -8.8% 22,170 $966K
ProShare Advisors LLC 0.00% Reduce -21.3% 22,020 $959K
CANADA LIFE ASSURANCE Co 0.00% Add +169.5% 22,347 $951K
Mirae Asset Global Investments Co., Ltd. 0.00% Add +33.1% 21,725 $947K
Stifel Financial Corp. 0.00% Add +35.5% 19,936 $869K
WINTON GROUP Ltd 0.03% New 17,600 $767K
LPL Financial LLC 0.00% Add +40.0% 17,392 $758K
Sender Co & Partners, Inc. 0.28% New 16,406 $715K
XTX Topco Ltd 0.04% New 15,652 $682K
Readystate Asset Management LP 0.07% New 15,505 $676K
Brevan Howard Capital Management LP 0.01% New 14,977 $653K
Allianz Asset Management GmbH 0.00% New 14,500 $632K
Ameriprise Financial Inc. 0.00% Add +6.3% 13,784 $601K
Brandywine Managers, LLC 0.52% New 12,540 $546K
Nwam LLC 0.03% Reduce -20.4% 10,824 $530K
Caption Management, LLC 0.03% New 12,138 $529K
Cetera Investment Advisers 0.00% New 12,092 $527K
Tema ETFs LLC 0.04% New 11,978 $522K
NEOS Investment Management LLC 0.00% New 11,978 $522K
D. E. Shaw & Co. 0.00% Reduce -95.1% 11,577 $504K
Snowden Capital Advisors LLC 0.01% Add +30.8% 11,535 $503K
Quantinno Capital Management LP 0.00% Add +41.6% 10,995 $479K
Janney Montgomery Scott LLC 0.00% New 10,970 $478K
Oppenheimer Asset Management Inc. 0.01% Add +52.9% 10,894 $475K
CIBC Bancorp USA Inc. 0.00% — 10,871 $474K
Capricorn Fund Managers Ltd 0.16% New 10,800 $471K
Oxford Asset Management LLP 0.15% New 10,581 $461K
STRS Ohio 0.00% Add +83.9% 10,300 $449K
Banque Pictet & Cie SA 0.00% New 9,942 $433K
Vanguard Personalized Indexing Management, LLC 0.00% Add +6.9% 9,794 $427K
Aaron Wealth Advisors LLC 0.02% Add +16.4% 8,540 $372K
Ameritas Investment Partners, Inc. 0.01% Reduce -26.6% 8,520 $371K
Waverly Advisors, LLC 0.00% No change 8,228 $358K
J. Goldman & Co LP 0.01% New 8,039 $350K
Corsicana & Co. 0.20% — 8,000 $349K
Xponance LLC 0.00% Reduce -10.1% 7,987 $348K
Public Employees Retirement Association of Colorado 0.00% No change 7,806 $340K
Sumitomo Mitsui Trust Group, Inc. 0.00% New 7,755 $338K
Principal Financial Group Inc. 0.00% Reduce -4.6% 7,744 $337K
FNY Investment Advisers, LLC 0.11% New 7,594 $330K
Mitsubishi UFJ Asset Management Co., Ltd. 0.00% Add +0.2% 7,476 $326K
DNB Asset Management AS 0.00% New 7,474 $326K
Y-Intercept (Hong Kong) Ltd 0.01% New 7,041 $307K
Dorsey & Whitney Trust CO LLC 0.02% New 6,990 $305K
Persistent Asset Partners Ltd 0.22% New 6,864 $299K
Daiwa Securities Group Inc. 0.00% Add +188.5% 6,775 $295K
Fred Alger Management, LLC 0.00% New 6,565 $286K
Wolverine Trading, LLC 0.01% New 6,697 $285K
Mackenzie Financial Corp. 0.00% Reduce -13.9% 6,314 $275K
DLK Investment Management, LLC 0.09% Reduce -26.0% 5,700 $248K
Park Avenue Securities LLC 0.00% New 5,596 $244K
Atle Fund Management AB 0.89% New 51,978 $240K
Beirne Wealth Consulting Services, LLC 0.06% New 5,346 $233K
US Bancorp \de 0.00% Add +0.8% 5,336 $232K
Koa Wealth Management, LLC 0.16% New 5,000 $218K
Swiss Life Asset Management Ltd 0.00% New 4,899 $213K
Praxis Investment Management Inc. 0.01% New 4,851 $211K
O'shaughnessy Asset Management, LLC 0.00% New 4,823 $210K
Integrated Wealth Concepts LLC 0.00% New 4,736 $206K
Private Advisor Group, LLC 0.00% New 4,713 $205K
Truist Financial Corp. 0.00% New 4,627 $202K
Atria Investments, Inc 0.00% New 4,617 $201K
IFP Advisors, Inc 0.00% Add +32.8% 3,991 $174K
Nisa Investment Advisors, LLC 0.00% Add +1.2% 3,879 $169K
Tower Research Capital LLC (TRC) 0.00% Reduce -71.7% 3,680 $160K
Virtus Investment Advisers, LLC 0.04% Add +21.0% 3,540 $154K
KBC Group NV 0.00% No change 3,375 $147K
Amalgamated Bank 0.00% Reduce -15.6% 3,304 $144K
Osaic Holdings, Inc. 0.00% Add +94.9% 3,188 $139K
Quadrant Capital Group LLC 0.00% New 3,193 $139K
Quarry LP 0.03% New 2,900 $126K
GF Fund Management Co. LTD. 0.00% Reduce -9.4% 2,768 $121K
GAMMA Investing LLC 0.01% Add +9.6% 2,237 $97K
Avanza Fonder AB 0.00% New 2,153 $94K
Westside Investment Management, Inc. 0.01% Add +100.0% 2,066 $89K
PNC Financial Services Group, Inc. 0.00% Add +32.4% 1,954 $85K
Parallel Advisors, LLC 0.00% Reduce -8.9% 1,553 $68K
Signaturefd, LLC 0.00% Add +0.5% 1,510 $66K
Comerica Bank 0.00% Add +75.9% 1,335 $58K
Van Eck Associates Corp. 0.00% Add +13.5% 924 $40K
Allworth Financial LP 0.00% Add +22.8% 856 $37K
Sterling Capital Management LLC 0.00% Add +58.2% 799 $35K
Optiver Holding B.V. 0.00% Reduce -4.5% 677 $29K
Cwm, LLC 0.00% Add +1635.1% 642 $28K
AlphaQuest LLC 0.00% Add +123.0% 600 $26K
Principal Securities, Inc. 0.00% Add +319.7% 491 $21K
Rockefeller Capital Management L.P. 0.00% New 383 $17K
Versant Capital Management, Inc 0.00% No change 274 $12K
Geneos Wealth Management Inc. 0.00% New 266 $12K
Covestor Ltd 0.01% No change 256 $11K
Bessemer Group Inc. 0.00% Add +61.8% 254 $11K
Global Retirement Partners, LLC 0.00% Reduce -66.6% 234 $10K
Farther Finance Advisors, LLC 0.00% Add +84.0% 230 $10K
Salomon & Ludwin, LLC 0.00% New 193 $9K
Jones Financial Companies LLLP 0.00% Reduce -13.8% 199 $9K
Rothschild Investment LLC 0.00% Reduce -7.3% 190 $8K
Federation des caisses Desjardins du Quebec 0.00% No change 165 $7K
EverSource Wealth Advisors, LLC 0.00% Add +4.5% 140 $6K
Capital Analysts, LLC 0.00% No change 143 $6K
Private Wealth Management Group, LLC 0.00% Reduce -0.8% 121 $5K
Cape Investment Advisory, Inc. 0.00% Add +72.7% 95 $4K
AdvisorNet Financial, Inc 0.00% Add +95.7% 92 $4K
Smartleaf Asset Management LLC 0.00% Add +138.5% 93 $4K
SBI Securities Co., Ltd. 0.00% Add +53.5% 89 $4K
Whittier Trust Co. of Nevada Inc. 0.00% Add +62.5% 78 $4K
Arax Advisory Partners 0.00% New 84 $4K
Private Trust Co. NA 0.00% New 72 $3K
J.Safra Asset Management Corp 0.00% Add +23.5% 63 $3K
Parkside Financial Bank & Trust 0.00% No change 60 $3K
Park Place Capital Corp 0.00% Add +316.7% 50 $2K
Cullen/Frost Bankers, Inc. 0.00% New 50 $2K
Root Financial Partners, LLC 0.00% New 46 $2K
Centerpoint Advisors, LLC 0.00% No change 50 $2K
Meeder Asset Management Inc. 0.00% Reduce -34.3% 44 $2K
Bare Financial Services, Inc 0.00% New 39 $2K
Transamerica Financial Advisors, LLC 0.00% New 33 $1K
Bell Investment Advisors, Inc 0.00% No change 26 $1K
CoreCap Advisors, LLC 0.00% New 20 $871
True Wealth Design, LLC 0.00% New 15 $654
Truvestments Capital LLC 0.00% No change 10 $436
TD Capital Management LLC 0.00% No change 10 $436
Fortitude Family Office, LLC 0.00% New 6 $261
Wealthspire Advisors, LLC 0.00% New 4 $174
SJS Investment Consulting Inc. 0.00% New 1 $44
American Capital Advisory, LLC 0.00% New 1 $44
Rialto Wealth Management, LLC 0.00% New 1 $44
HFM Investment Advisors, LLC 0.00% New 1 $44
Hemington Wealth Management 0.00% New 7 $0
Cloud Capital Management, LLC 0.00% New 7 $0

"% of holder's portfolio" is RNAM's weight in each manager's 13F, not the share of Avidity Biosciences Inc. the manager owns.