AVIDITY BIOSCIENCES INC RNA
COM · Common Stock · CUSIP 05370A108
- SectorHealth care
- IndustryPharmaceutical Preparations
- HeadquartersSan Diego, CA
- FilingsSEC EDGAR
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once. Holder counts are more reliable.
Trends to Q2 2026
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 127 |
| Q4 2022 | 149 |
| Q1 2023 | 140 |
| Q2 2023 | 144 |
| Q3 2023 | 144 |
| Q4 2023 | 145 |
| Q1 2024 | 159 |
| Q2 2024 | 198 |
| Q3 2024 | 247 |
| Q4 2024 | 238 |
| Q1 2025 | 222 |
| Q2 2025 | 208 |
| Q3 2025 | 273 |
| Q4 2025 | 344 |
| Q1 2026 | 1 |
| Q2 2026 | 0 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q3 2024 | 152 | 86 |
| Q4 2024 | 121 | 130 |
| Q1 2025 | 127 | 106 |
| Q2 2025 | 108 | 113 |
| Q3 2025 | 194 | 69 |
| Q4 2025 | 209 | 166 |
| Q1 2026 | 0 | 330 |
| Q2 2026 | 0 | 1 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q3 2025 | $66.3m | $26.9m | 0.40 |
| Q4 2025 | $64.3m | $261.2m | 4.06 |
| Q1 2026 | $0 | $550.8k | — |
| Q2 2026 | $0 | $0 | — |
Biggest buyers
| None |
Biggest sellers
| Corsicana & Co. | Sold out | -8.0k |
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| VANGUARD GROUP INC 13G · institution filed 2025-10-30 | 9.6% |
| BlackRock, Inc. 13G · institution -1.1 pts · filed 2025-10-17 | 6.4% |
| Avoro Capital Advisors LLC 13G · institution filed 2026-02-17 | 5.5% |
Fell to 5% or below in the last year: RA CAPITAL MANAGEMENT, L.P. (0.0%, 2026-05-15), PRICE T ROWE ASSOCIATES INC /MD/ (0.1%, 2026-02-17), JANUS HENDERSON GROUP PLC (4.6%, 2026-02-17), WELLINGTON MANAGEMENT GROUP LLP (0.5%, 2026-02-10)
Insider purchases and sales since 1 Apr 2026
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
None reported since 1 Apr 2026.
Holders, Q2 2026
| Manager | Shares | Change |
|---|