Security record
RNAM
Avidity Biosciences Inc · Healthcare · Biotechnology
103Tracked holders
+3Δ holders
81.99MShares held
$5.91BReported value
+5New positions
−1Exits
Momentum inputs (comparable managers):
holder breadth +3.0% ·
share flow -27.2% ·
net new positions +3.9%
— formula
Ownership fragmentation — more holders, smaller aggregate stake
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q4 2025
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q4 2025 | 103 | +3 | 81.99M | $5.91B | +5 | −1 |
| Q3 2025 | 15 | 0 | 78.61M | $3.43B | — | −1 |
| Q2 2025 | 13 | -1 | 64.96M | $1.84B | +1 | −2 |
| Q1 2025 | 11 | -2 | 31.61M | $933.16M | — | −2 |
| Q4 2024 | 13 | +1 | 31.55M | $918.65M | +1 | — |
| Q3 2024 | 11 | 0 | 25.98M | $1.19B | +1 | −1 |
| Q2 2024 | 11 | — | 22.12M | $903.80M | — | — |
Who holds it · Q4 2025
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | The Vanguard Group ✦ (passive) | 13.65M | +3.2% | $984.52M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 2 | The Vanguard Group ✦ (passive) | 13.65M | +3.2% | $984.52M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 3 | The Vanguard Group ✦ (passive) | 13.65M | +3.2% | $984.52M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 4 | The Vanguard Group ✦ (passive) | 13.65M | +3.2% | $984.52M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 5 | The Vanguard Group ✦ (passive) | 13.65M | +3.2% | $984.52M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 12.85M | +39.6% | $926.93M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 12.85M | +39.6% | $926.93M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 12.85M | +39.6% | $926.93M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 12.85M | +39.6% | $926.93M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 12.85M | +39.6% | $926.93M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 12.85M | +39.6% | $926.93M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 12 | BlackRock ✦ (passive) | 12.85M | +39.6% | $926.93M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 13 | BlackRock ✦ (passive) | 12.85M | +39.6% | $926.93M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 14 | BlackRock ✦ (passive) | 12.85M | +39.6% | $926.93M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 15 | BlackRock ✦ (passive) | 12.85M | +39.6% | $926.93M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 16 | BlackRock ✦ (passive) | 12.85M | +39.6% | $926.93M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 17 | BlackRock ✦ (passive) | 12.85M | +39.6% | $926.93M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 18 | BlackRock ✦ (passive) | 12.85M | +39.6% | $926.93M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 19 | BlackRock ✦ (passive) | 12.85M | +39.6% | $926.93M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 20 | BlackRock ✦ (passive) | 12.85M | +39.6% | $926.93M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 21 | BlackRock ✦ (passive) | 12.85M | +39.6% | $926.93M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 22 | BlackRock ✦ (passive) | 12.85M | +39.6% | $926.93M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 23 | Janus Henderson Group Plc | 6.94M | — | $500.56M | 0.2% | n/c | 1 | SEC ↗ |
| 24 | Janus Henderson Group Plc | 6.94M | — | $500.56M | 0.2% | n/c | 1 | SEC ↗ |
| 25 | Janus Henderson Group Plc | 6.94M | — | $500.56M | 0.2% | n/c | 1 | SEC ↗ |
| 26 | Balyasny Asset Management L.P. | 6.04M | — | $435.71M | 0.8% | n/c | 1 | SEC ↗ |
| 27 | State Street Global Advisors ✦ (passive) | 4.10M | -16.2% | $295.58M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 28 | Goldman Sachs Group ✦ | 3.78M | +118.0% | $272.42M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 29 | Goldman Sachs Group ✦ | 3.78M | +118.0% | $272.42M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 30 | Goldman Sachs Group ✦ | 3.78M | +118.0% | $272.42M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 31 | Geode Capital Management ✦ (passive) | 3.12M | +9.2% | $225.14M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 32 | Geode Capital Management ✦ (passive) | 3.12M | +9.2% | $225.14M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 33 | Norges Bank ✦ (passive) | 3.05M | New | $219.74M | 0.0% | New | 1 | SEC ↗ |
| 34 | Adage Capital Partners ✦ | 2.63M | +119.2% | $189.77M | 0.3% | ▲ Add | 7 | SEC ↗ |
| 35 | UBS Group AG | 2.36M | — | $170.00M | 0.0% | n/c | 1 | SEC ↗ |
| 36 | UBS Group AG | 2.36M | — | $170.00M | 0.0% | n/c | 1 | SEC ↗ |
| 37 | UBS Group AG | 2.36M | — | $170.00M | 0.0% | n/c | 1 | SEC ↗ |
| 38 | UBS Group AG | 2.36M | — | $170.00M | 0.0% | n/c | 1 | SEC ↗ |
| 39 | Millennium Management ✦ | 2.16M | +7182.4% | $155.60M | 0.1% | ▲ Add | 7 | SEC ↗ |
| 40 | Citadel Advisors ✦ | 1.59M | +77.0% | $114.86M | 0.1% | ▲ Add | 5 | SEC ↗ |
| 41 | Citadel Advisors ✦ | 1.59M | +77.0% | $114.86M | 0.1% | ▲ Add | 5 | SEC ↗ |
| 42 | Charles Schwab Investment… | 1.18M | — | $85.23M | 0.0% | n/c | 1 | SEC ↗ |
| 43 | FIL Ltd | 1.14M | — | $82.52M | 0.1% | n/c | 1 | SEC ↗ |
| 44 | Qube Research & Technologies Ltd | 1.11M | — | $79.76M | 0.1% | n/c | 1 | SEC ↗ |
| 45 | Morgan Stanley ✦ | 1.09M | +58.0% | $78.80M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 46 | Morgan Stanley ✦ | 1.09M | +58.0% | $78.80M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 47 | Morgan Stanley ✦ | 1.09M | +58.0% | $78.80M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 48 | Morgan Stanley ✦ | 1.09M | +58.0% | $78.80M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 49 | Morgan Stanley ✦ | 1.09M | +58.0% | $78.80M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 50 | Morgan Stanley ✦ | 1.09M | +58.0% | $78.80M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 51 | Morgan Stanley ✦ | 1.09M | +58.0% | $78.80M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 52 | Morgan Stanley ✦ | 1.09M | +58.0% | $78.80M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 53 | Morgan Stanley ✦ | 1.09M | +58.0% | $78.80M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 54 | Alliancebernstein L.P. | 1.05M | — | $75.55M | 0.0% | n/c | 1 | SEC ↗ |
| 55 | Northern Trust Corp | 1.02M | — | $73.51M | 0.0% | n/c | 1 | SEC ↗ |
| 56 | Northern Trust Corp | 1.02M | — | $73.51M | 0.0% | n/c | 1 | SEC ↗ |
| 57 | Northern Trust Corp | 1.02M | — | $73.51M | 0.0% | n/c | 1 | SEC ↗ |
| 58 | Northern Trust Corp | 1.02M | — | $73.51M | 0.0% | n/c | 1 | SEC ↗ |
| 59 | Northern Trust Corp | 1.02M | — | $73.51M | 0.0% | n/c | 1 | SEC ↗ |
| 60 | Northern Trust Corp | 1.02M | — | $73.51M | 0.0% | n/c | 1 | SEC ↗ |
| 61 | Man Group plc | 898.28K | — | $64.79M | 0.1% | n/c | 1 | SEC ↗ |
| 62 | Man Group plc | 898.28K | — | $64.79M | 0.1% | n/c | 1 | SEC ↗ |
| 63 | Squarepoint Ops LLC | 868.20K | — | $62.62M | 0.1% | n/c | 1 | SEC ↗ |
| 64 | Soros Fund Management ✦ | 840.98K | New | $60.66M | 1.1% | New | 1 | SEC ↗ |
| 65 | JPMorgan Chase ✦ | 820.99K | -54.4% | $59.22M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 66 | JPMorgan Chase ✦ | 820.99K | -54.4% | $59.22M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 67 | JPMorgan Chase ✦ | 820.99K | -54.4% | $59.22M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 68 | JPMorgan Chase ✦ | 820.99K | -54.4% | $59.22M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 69 | JPMorgan Chase ✦ | 820.99K | -54.4% | $59.22M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 70 | JPMorgan Chase ✦ | 820.99K | -54.4% | $59.22M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 71 | JPMorgan Chase ✦ | 820.99K | -54.4% | $59.22M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 72 | JPMorgan Chase ✦ | 820.99K | -54.4% | $59.22M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 73 | Tudor Investment Corp Et Al | 733.01K | — | $52.87M | 0.3% | n/c | 1 | SEC ↗ |
| 74 | Wellington Management ✦ | 723.12K | -92.8% | $52.16M | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 75 | Wellington Management ✦ | 723.12K | -92.8% | $52.16M | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 76 | Wellington Management ✦ | 723.12K | -92.8% | $52.16M | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 77 | Bank Of America Corp /De/ | 706.66K | — | $50.97M | 0.0% | n/c | 1 | SEC ↗ |
| 78 | Bank Of America Corp /De/ | 706.66K | — | $50.97M | 0.0% | n/c | 1 | SEC ↗ |
| 79 | Bank Of America Corp /De/ | 706.66K | — | $50.97M | 0.0% | n/c | 1 | SEC ↗ |
| 80 | Bank Of America Corp /De/ | 706.66K | — | $50.97M | 0.0% | n/c | 1 | SEC ↗ |
| 81 | Bank Of America Corp /De/ | 706.66K | — | $50.97M | 0.0% | n/c | 1 | SEC ↗ |
| 82 | Bank Of America Corp /De/ | 706.66K | — | $50.97M | 0.0% | n/c | 1 | SEC ↗ |
| 83 | Bank Of America Corp /De/ | 706.66K | — | $50.97M | 0.0% | n/c | 1 | SEC ↗ |
| 84 | Neuberger Berman Group LLC | 622.44K | — | $44.90M | 0.0% | n/c | 1 | SEC ↗ |
| 85 | Neuberger Berman Group LLC | 622.44K | — | $44.90M | 0.0% | n/c | 1 | SEC ↗ |
| 86 | Bnp Paribas Financial Markets | 610.55K | — | $44.04M | 0.0% | n/c | 1 | SEC ↗ |
| 87 | LMR Partners LLP | 598.52K | — | $43.17M | 0.5% | n/c | 1 | SEC ↗ |
| 88 | LMR Partners LLP | 598.52K | — | $43.17M | 0.5% | n/c | 1 | SEC ↗ |
| 89 | Barclays Plc | 531.20K | — | $38.32M | 0.0% | n/c | 1 | SEC ↗ |
| 90 | Barclays Plc | 531.20K | — | $38.32M | 0.0% | n/c | 1 | SEC ↗ |
| 91 | Barclays Plc | 531.20K | — | $38.32M | 0.0% | n/c | 1 | SEC ↗ |
| 92 | Citigroup Inc | 467.69K | — | $33.73M | 0.0% | n/c | 1 | SEC ↗ |
| 93 | Citigroup Inc | 467.69K | — | $33.73M | 0.0% | n/c | 1 | SEC ↗ |
| 94 | Bank of New York Mellon Corp | 417.54K | — | $30.12M | 0.0% | n/c | 1 | SEC ↗ |
| 95 | Bank of New York Mellon Corp | 417.54K | — | $30.12M | 0.0% | n/c | 1 | SEC ↗ |
| 96 | Bank of New York Mellon Corp | 417.54K | — | $30.12M | 0.0% | n/c | 1 | SEC ↗ |
| 97 | Bank of New York Mellon Corp | 417.54K | — | $30.12M | 0.0% | n/c | 1 | SEC ↗ |
| 98 | Bank of New York Mellon Corp | 417.54K | — | $30.12M | 0.0% | n/c | 1 | SEC ↗ |
| 99 | Bank of New York Mellon Corp | 417.54K | — | $30.12M | 0.0% | n/c | 1 | SEC ↗ |
| 100 | Bank of New York Mellon Corp | 417.54K | — | $30.12M | 0.0% | n/c | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Norges Bank | $219.74M | 0.0% |
| Soros Fund Management | $60.66M | 1.1% |
Exited
| D. E. Shaw & Co. | $504,410 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 1 holders, 8.00K shares, $236,160 reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
Frequently co-owned
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q4 2025 ·
Methodology ·
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