Avidity Biosciences, Inc.

Historical 13F Holders

Symbol
RNAM
CUSIP
05370A108
All holders as of
Q1 2026
Type
Equity
Class
COM
Reported Value, Excluding Options
Total Filings

13D/G Filers

Investors who own more than 5% of a class must file a Schedule 13D or 13G. Every filing for 05370A108 since 12/18/2024, newest first.

Filer % of Class Filed
RA Capital Management, L.P. 13G/A Amendment 3
0% 5/15/2026
Event 3/31/2026
Janus Henderson Group PLC 13G/A Amendment 4 4.6% 2/17/2026
Event 12/31/2025
Avoro Capital Advisors LLC 13G/A Amendment 1
5.5% 2/17/2026
Event 12/31/2025
Price T Rowe Associates Inc /MD/ 13G/A Amendment 8 0.1% 2/17/2026
Event 12/31/2025
Wellington Management Group LLP 13G/A Amendment 2
0.5% 2/10/2026
Event 12/31/2025
Janus Henderson Group PLC 13G/A Amendment 4 5.5% 12/5/2025
Event 11/28/2025
Janus Henderson Group PLC 13G/A Amendment 3 10.7% 11/14/2025
Event 9/30/2025
RA Capital Management, L.P. 13G/A Amendment 2
5.9% 11/14/2025
Event 9/30/2025
Price T Rowe Associates Inc /MD/ 13G/A Amendment 7 7.1% 11/14/2025
Event 9/30/2025
FMR LLC 13G/A Amendment 9
2.1% 11/7/2025
Event 10/31/2025
FMR LLC 13G/A Amendment 8
15.0% 11/5/2025
Event 9/30/2025
Vanguard Group Inc 13G/A Amendment 3 9.6% 10/30/2025
Event 9/30/2025
RTW Investments, LP 13D/A Amendment 5
3.1% 10/29/2025
Event 10/27/2025
BlackRock, Inc. 13G/A Amendment 5 6.4% 10/17/2025
Event 9/30/2025
Janus Henderson Group PLC 13G/A Amendment 2 10.1% 8/7/2025
Event 7/31/2025
Janus Henderson Group PLC 13G/A Amendment 1 9.5% 5/14/2025
Event 3/31/2025
Wellington Management Group LLP 13G/A Amendment 1
8.1% 5/12/2025
Event 3/31/2025
FMR LLC 13G/A Amendment 7
13.0% 5/12/2025
Event 3/31/2025
BlackRock, Inc. 13G/A Amendment 4 7.5% 4/17/2025
Event 3/31/2025
Janus Henderson Group PLC 13G 5.9% 2/14/2025
Event 12/31/2024

13F Holders by Quarter

Period Filings Shares, Excl. Options Value, Excl. Options
2026 Q1 1 8.00 k $236 k
2025 Q4 373 150 M $10.8 B
2025 Q3 303 162 M $7.05 B
2025 Q2 220 140 M $3.99 B
2025 Q1 238 135 M $4.00 B
2024 Q4 256 128 M $3.71 B
2024 Q3 261 127 M $5.82 B
2024 Q2 208 114 M $4.66 B
2024 Q1 167 93.3 M $2.38 B
2023 Q4 152 78.7 M $712 M
2023 Q3 147 81.7 M $522 M
2023 Q2 149 82.4 M $915 M
2023 Q1 145 75.9 M $1.17 B
2022 Q4 157 75.2 M $1.67 B
2022 Q3 131 53.4 M $873 M
2022 Q2 118 52.1 M $758 M
2022 Q1 107 51.1 M $1.09 B
2021 Q4 109 45.5 M $1.08 B
2021 Q3 113 44.4 M $1.09 B
2021 Q2 98 35.6 M $880 M
2021 Q1 103 35.0 M $763 M
2020 Q4 83 31.0 M $790 M
2020 Q3 69 27.0 M $755 M
2020 Q2 53 25.5 M $702 M