AURA
Aura Biosciences, Inc. · Healthcare · Biotechnology
Momentum inputs (comparable managers):
holder breadth -6.7% ·
share flow +7.3% ·
net new positions -7.1%
· formula
Concentrated accumulation: rising shares among fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 2025
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q3 2026 | 1 | 0 | 19.13K | $124,441 | n/a | n/a |
| Q2 2026 | 63 | +4 | 26.02M | $184.73M | +7 | −3 |
| Q1 2026 | 61 | +1 | 20.24M | $135.34M | +4 | −3 |
| Q4 2025 | 60 | +2 | 20.07M | $109.37M | +2 | n/a |
| Q3 2025 | 14 | -1 | 14.65M | $90.53M | n/a | −1 |
| Q2 2025 | 12 | +2 | 13.23M | $82.82M | +2 | n/a |
| Q1 2025 | 7 | -1 | 7.63M | $44.69M | n/a | −1 |
| Q4 2024 | 8 | -1 | 7.50M | $61.68M | n/a | −1 |
| Q3 2024 | 8 | 0 | 6.61M | $58.90M | +1 | −1 |
| Q2 2024 | 8 | n/a | 9.02M | $68.17M | n/a | n/a |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Adage Capital Partners ✦ | 4.88M | 0.0% | $30.17M | 0.0% | Held | 6 | SEC ↗ |
| 2 | BlackRock ✦ (passive) | 3.41M | +9.8% | $21.05M | 0.0% | ▲ Add | 2 | SEC ↗ ×8 |
| 3 | The Vanguard Group ✦ (passive) | 2.89M | +16.7% | $17.86M | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 4 | Geode Capital Management ✦ (passive) | 1.26M | +35.3% | $7.78M | 0.0% | ▲ Add | 6 | SEC ↗ ×2 |
| 5 | State Street Global Advisors ✦ (passive) | 878.87K | +2.6% | $5.43M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 6 | T. Rowe Price ✦ | 481.23K | -4.7% | $2.98M | 0.0% | ▼ Trim | 6 | SEC ↗ ×2 |
| 7 | Goldman Sachs Group ✦ | 194.94K | n/a | $1.20M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 8 | Millennium Management ✦ | 185.22K | +49.3% | $1.14M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 9 | Morgan Stanley ✦ | 178.50K | n/a | $1.10M | 0.0% | n/c | 1 | SEC ↗ ×6 |
| 10 | Wellington Management ✦ | 127.31K | -32.8% | $786,788 | 0.0% | ▼ Trim | 5 | SEC ↗ ×3 |
| 11 | Renaissance Technologies ✦ | 97.61K | -25.8% | $603,217 | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 12 | JPMorgan Chase ✦ | 49.11K | n/a | $303,524 | 0.0% | n/c | 1 | SEC ↗ ×8 |
| 13 | AQR Capital Management ✦ | 17.16K | -2.7% | $106,031 | 0.0% | ▼ Trim | 2 | SEC ↗ ×5 |
| 14 | Fidelity (FMR) ✦ | 3.47K | +124.8% | $21,424 | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
“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
| Citadel Advisors | $80,322 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 125 holders, 50.86M shares, $337.45M reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
What else this security's tracked holders most often hold: shared-ownership counts, not fundamental relationships.