AURA
Aura Biosciences, Inc. · Healthcare · Biotechnology
Momentum inputs (comparable managers):
holder breadth -12.5% ·
share flow +1.6% ·
net new positions -14.3%
— formula
Concentrated accumulation — rising shares among fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2025
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| 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 | — |
| Q3 2025 | 14 | -1 | 14.65M | $90.53M | — | −1 |
| Q2 2025 | 12 | +2 | 13.23M | $82.82M | +2 | — |
| Q1 2025 | 7 | -1 | 7.63M | $44.69M | — | −1 |
| Q4 2024 | 8 | -1 | 7.50M | $61.68M | — | −1 |
| Q3 2024 | 8 | 0 | 6.61M | $58.90M | +1 | −1 |
| Q2 2024 | 8 | — | 9.02M | $68.17M | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Adage Capital Partners ✦ | 4.88M | 0.0% | $28.60M | 0.1% | Held | 4 | SEC ↗ |
| 2 | Geode Capital Management ✦ (passive) | 1.03M | +1.3% | $6.01M | 0.0% | ▲ Add | 4 | SEC ↗ ×2 |
| 3 | State Street Global Advisors ✦ (passive) | 793.01K | -1.1% | $4.65M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 4 | T. Rowe Price ✦ | 519.78K | -6.7% | $3.05M | 0.0% | ▼ Trim | 4 | SEC ↗ ×2 |
| 5 | Citadel Advisors ✦ | 164.04K | +2009.0% | $961,281 | 0.0% | ▲ Add | 4 | SEC ↗ ×2 |
| 6 | Wellington Management ✦ | 138.95K | +6.0% | $814,259 | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 7 | Renaissance Technologies ✦ | 103.30K | +23.4% | $605,338 | 0.0% | ▲ Add | 4 | 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
| Two Sigma Investments | $226,149 | 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.