Avidity Biosciences Ownership | Who Owns Avidity Biosciences?
Avidity Biosciences Ownership Summary
Avidity Biosciences is owned by 104.88% institutional investors, 4.79% insiders. Fmr is the largest institutional shareholder, holding 13.38% of RNA shares. Fidelity Growth Compy Commingled Pl S is the top mutual fund, with 4.46% of its assets in Avidity Biosciences shares.
RNA Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Avidity Biosciences | 104.88% | 4.79% | -9.67% |
| Sector | Healthcare Stocks | 486.50% | 11.08% | -397.59% |
| Industry | Biotech Stocks | 304.14% | 11.08% | -215.23% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Fmr | 16.51M | 13.38% | $480.10M |
| Blackrock | 8.62M | 9.89% | $352.23M |
| Price t rowe associates inc /md/ | 11.04M | 8.95% | $321.13M |
| Vanguard group | 9.43M | 7.64% | $274.28M |
| Rtw investments, lp | 9.62M | 7.42% | $273.18M |
| Blackrock funding, inc. /de | 9.34M | 7.20% | $265.17M |
| Wellington management group llp | 8.11M | 6.57% | $235.73M |
| Janus henderson group | 7.05M | 5.72% | $205.13M |
| Ra capital management | 7.27M | 5.61% | $206.36M |
| Avoro capital advisors | 7.05M | 5.44% | $200.22M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Alethea capital management | 420.87K | 10.48% | $12.24M |
| Casdin capital | 1.77M | 4.59% | $50.41M |
| Rtw investments, lp | 9.62M | 3.89% | $273.18M |
| Bioimpact capital | 760.02K | 3.74% | $21.58M |
| Boxer capital | 1.73M | 3.72% | $70.56M |
| Avoro capital advisors | 7.05M | 3.51% | $200.22M |
| Ra capital management | 7.27M | 3.48% | $206.36M |
| Ally bridge group (ny) | 132.74K | 3.14% | $3.77M |
| Logos global management lp | 950.00K | 2.99% | $26.98M |
| Silverarc capital management | 410.00K | 2.15% | $11.64M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Toronto dominion bank | 3.53M | 0.17% | 3.53M |
| Blackrock | 8.62M | 0.01% | 2.46M |
| Janus henderson group | 7.05M | 0.10% | 2.16M |
| Wellington management group llp | 8.11M | 0.04% | 1.08M |
| Ra capital management | 7.27M | 3.48% | 965.62K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Cowen and company | - | - | -5.13M |
| Driehaus capital management | - | - | -1.27M |
| Nuveen asset management | 352.50K | 0.00% | -706.06K |
| 5am venture management | - | - | -665.55K |
| Adage capital partners gp | 1.53M | 0.07% | -618.88K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Toronto dominion bank | 3.53M | 0.17% | 3.53M | $100.33M |
| Norges bank | 724.79K | 0.00% | 724.79K | $21.08M |
| Artal group | 655.55K | 0.68% | 655.55K | $26.78M |
| Ally bridge group (ny) | 132.74K | 3.14% | 132.74K | $3.77M |
| Palo alto investors lp | 118.89K | 0.72% | 118.89K | $3.38M |
Sold Out
| Holder | Change |
|---|---|
| American capital advisory | -8.00 |
| Ronald blue trust | -8.00 |
| Hollencrest capital management | -10.00 |
| Nelson, van denburg & campbell wealth management group | -15.00 |
| Corecap advisors | -15.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Jun 30, 2025 | 214 | -6.96% | 135,949,346 | 3.28% | 104 | 1.01% | 109 | -16.15% | 76 | 16.92% |
| Mar 31, 2025 | 231 | -7.23% | 133,386,370 | 4.47% | 103 | 0.96% | 130 | -7.14% | 65 | -12.16% |
| Dec 31, 2024 | 106 | -57.77% | 39,596,419 | -68.40% | 32 | 0.31% | 62 | -60.00% | 30 | -52.38% |
| Sep 30, 2024 | 250 | 26.26% | 125,295,284 | 11.90% | 101 | 0.62% | 154 | 19.38% | 63 | 28.57% |
| Jun 30, 2024 | 198 | 22.98% | 111,975,611 | 25.39% | 128 | 1.22% | 129 | 44.94% | 49 | - |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Fidelity Growth Compy Commingled Pl S | 5.38M | 4.46% | 142.09K |
| Fidelity Growth Compy Commingled Pl O | 4.86M | 4.11% | -69.00K |
| US Small-Cap Growth II Equity Comp | 3.95M | 3.28% | -484.27K |
| T. Rowe Price New Horizons | 3.95M | 3.28% | -19.66K |
| Fidelity Growth Company Fund | 3.91M | 3.25% | 173.90K |
| Vanguard US Total Market Shares ETF | 3.53M | 2.93% | 3.12K |
| Vanguard Total Stock Mkt Idx Inv | 3.57M | 2.78% | -76.02K |
| Vanguard Health Care Inv | 2.83M | 2.35% | -196.40K |
| iShares Russell 2000 ETF | 2.69M | 2.09% | -51.13K |
| T. Rowe Price Health Sciences | 2.30M | 1.91% | -51.31K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Aug 22, 2025 | Hughes Steven George | Chief Medical Officer | Sell | $102.46K |
| Aug 15, 2025 | McCarthy Teresa | Chief Human Resources Officer | Sell | $465.63K |
| Aug 06, 2025 | MacLean Michael F | Chief Financial Officer | Sell | $1.32M |
| Aug 13, 2025 | Hughes Steven George | Chief Medical Officer | Sell | $71.95K |
| Aug 06, 2025 | Mosbrooker Eric | Chief Commercial Officer | Sell | $269.66K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2025 Q3 | - | 13 |
| 2025 Q2 | - | 5 |
| 2025 Q1 | - | 23 |
| 2024 Q4 | - | 14 |
| 2024 Q3 | - | 14 |
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