Avidity Biosciences, Inc. - RNAM

Ownership (Schedule 13D / 13G) · latest 50 filings · Back to all files
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Filed Form Reporting person Percent Shares SEC
Feb 17, 2026 SCHEDULE 13G/A JANUS HENDERSON GROUP PLC 4.6% 6,939,503 View
Feb 17, 2026 SCHEDULE 13G/A Avoro Capital Advisors LLC 5.54% 8,515,792 View
Feb 17, 2026 SCHEDULE 13G/A Behzad Aghazadeh 5.54% 8,515,792 View
Feb 17, 2026 SCHEDULE 13G/A T. Rowe Price Associates, Inc. 0.1% 142,888 View
Feb 10, 2026 SCHEDULE 13G/A Wellington Management Group LLP 0.5% 723,118 View
Feb 10, 2026 SCHEDULE 13G/A Wellington Group Holdings LLP 0.5% 723,118 View
Feb 10, 2026 SCHEDULE 13G/A Wellington Investment Advisors Holdings LLP 0.5% 723,118 View
Dec 05, 2025 SCHEDULE 13G/A JANUS HENDERSON GROUP PLC 5.5% 8,224,930 View
Nov 14, 2025 SCHEDULE 13G/A T. Rowe Price Associates, Inc. 7.1% 9,787,912 View
Nov 14, 2025 SCHEDULE 13G/A JANUS HENDERSON GROUP PLC 10.7% 14,522,915 View
Nov 14, 2025 SCHEDULE 13G/A RA Capital Management, L.P. 5.9% 8,641,031 View
Nov 14, 2025 SCHEDULE 13G/A Peter Kolchinsky 5.9% 8,641,031 View
Nov 14, 2025 SCHEDULE 13G/A Rajeev Shah 5.9% 8,641,031 View
Nov 14, 2025 SCHEDULE 13G/A RA Capital Healthcare Fund, L.P. 5.9% 8,641,031 View
Nov 07, 2025 SCHEDULE 13G/A FMR LLC 2.1% 2,958,712 View
Nov 07, 2025 SCHEDULE 13G/A Abigail P. Johnson 2.1% 2,958,712 View
Nov 05, 2025 SCHEDULE 13G/A FMR LLC 15.0% 21,547,984 View
Nov 05, 2025 SCHEDULE 13G/A Abigail P. Johnson 15.0% 21,547,984 View
Oct 30, 2025 SCHEDULE 13G/A The Vanguard Group 9.57% 13,219,759 View
Oct 29, 2025 SCHEDULE 13D/A — 0.8% — View
Percent = "% of class represented by amount beneficially owned" for this reporting person in the filed 13D/13G. Shares = reported beneficial ownership amount for the same row (not portfolio shares from 13F). Amendments (/A) can repeat the same holder over time, so rows should not be summed. Extraction is best-effort from filing text and can be missing or noisy; verify exact figures via the SEC link in each row.