Security record · archived quarter
RNAM
Avidity Biosciences Inc · Healthcare · Biotechnology
15Tracked holders
0Δ holders
78.61MShares held
$3.43BReported value
+0New positions
−1Exits
Momentum inputs (comparable managers): holder breadth 0.0% · share flow +15.3% · net new positions -6.7% — formula
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 2025
Ownership over time
Who holds it · Q3 2025
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Fidelity (FMR) ✦ | 21.59M | +33.4% | $940.50M | 0.0% | ▲ Add | 2 | SEC ↗ ×5 |
| 2 | The Vanguard Group ✦ (passive) | 13.22M | +42.9% | $575.98M | 0.0% | ▲ Add | 2 | SEC ↗ ×5 |
| 3 | Wellington Management ✦ | 10.07M | +8.8% | $438.54M | 0.1% | ▲ Add | 6 | SEC ↗ ×9 |
| 4 | T. Rowe Price ✦ | 9.79M | -9.4% | $426.44M | 0.0% | ▼ Trim | 6 | SEC ↗ ×2 |
| 5 | BlackRock ✦ (passive) | 9.20M | -1.4% | $400.96M | 0.0% | ▼ Trim | 2 | SEC ↗ ×17 |
| 6 | State Street Global Advisors ✦ (passive) | 4.89M | +16.4% | $213.00M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 7 | Geode Capital Management ✦ (passive) | 2.86M | +0.3% | $124.55M | 0.0% | ▲ Add | 6 | SEC ↗ ×2 |
| 8 | JPMorgan Chase ✦ | 1.80M | — | $78.39M | 0.0% | n/c | 1 | SEC ↗ ×16 |
| 9 | Goldman Sachs Group ✦ | 1.73M | — | $75.48M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 10 | Adage Capital Partners ✦ | 1.20M | -21.4% | $52.28M | 0.1% | ▼ Trim | 6 | SEC ↗ |
| 11 | Citadel Advisors ✦ | 899.76K | +4042.2% | $39.20M | 0.0% | ▲ Add | 4 | SEC ↗ ×2 |
| 12 | Morgan Stanley ✦ | 691.51K | — | $30.13M | 0.0% | n/c | 1 | SEC ↗ ×8 |
| 13 | Marshall Wace ✦ | 639.58K | +962.0% | $27.87M | 0.0% | ▲ Add | 6 | SEC ↗ ×3 |
| 14 | Millennium Management ✦ | 29.62K | -87.5% | $1.29M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 15 | D. E. Shaw & Co. ✦ | 11.58K | -95.1% | $504,410 | 0.0% | ▼ Trim | 2 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| No new tracked buyers this quarter. |
Exited
| Norges Bank | $28.26M | 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: Q3 2025 ·
Methodology ·
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