Aura Biosciences (AURA)
Develops bel-sar, a virus-like drug conjugate for organ-preserving cancer treatment.
$6.01
vs last close−0.44 (−6.82%)
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13F · 13D/G · Form 4
| Institutions | ≈ 91.99% | 95.40M shares | |
|---|---|---|---|
| 151 holders · as of Jun 30, 2026 · largest filers plus last quarter's tail | |||
| Insiders | 2.56% | 2.66M shares | |
| 15 holders · as of Sep 1, 2026 | |||
| Strategic holders | 4.60% | 4.77M shares | |
| 1 holder · as of May 12, 2026 | |||
| Other | ≈ 0.85% | 885.5K shares | |
| remainder | |||
103.70M company shares as of Sep 23, 2026 · institutions as of Jun 30, 2026 · holders as of their latest filing
This quarter's institutional total failed a plausibility check; shown: the largest filers plus last quarter's remainder.
13F, as of Jun 30, 2026
151 holders · 95.40M shares · 38 new positions · 96 increased · 29 reduced · 14 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| TCG Crossover Management, LLC | 9.53M | 9.19% | +9.53Mnew | Aug 14, 2026 |
| Suvretta Capital Management, LLC | 7.21M | 6.95% | +2.83M | Aug 14, 2026 |
| Frazier Life Sciences Management, L.P. | 7.10M | 6.85% | +2.00M | Aug 14, 2026 |
| Long Focus Capital Management, LLC | 5.12M | 4.94% | +500.0K | Aug 14, 2026 |
| BlackRock, Inc. | 4.71M | 4.54% | +1.12M | Aug 7, 2026 |
| Adage Capital Partners GP, L.L.C. | 4.64M | 4.47% | −241.1K | Aug 14, 2026 |
| Caligan Partners LP | 4.30M | 4.14% | +4.07M | Aug 14, 2026 |
| Vanguard Capital Management LLC | 4.10M | 3.95% | +1.86M | Aug 13, 2026 |
13D/G · 5% or more, as filed
| Holder | % of class | Shares | Form | Filed |
|---|---|---|---|---|
| Suvretta Capital Management, LLC | 7.60% | 4.70M | 13G | Aug 13, 2025 |
| Frazier Life Sciences Public Fund, L.P. | 6.30% | 4.03M | 13G | Feb 13, 2026 |
| BlackRock, Inc. | 5.40% | 3.34M | 13G | Oct 17, 2025 |
| TCG Crossover GP II, LLC | 5.00% | 4.77M | 13G | May 12, 2026 |
Form 4
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| Jun 16, 2026 | Anthony S. Gibneyofficer: See Remarks | Sale | 12,824 | $6.42 | 265,354 |
| May 7, 2026 | Matrix Capital Management Company, LP10 percent owner | Sale | 6,922,870 | $5.64 | 0 |
| Apr 16, 2026 | Conor Kilroyofficer: See Remarks | Sale | 11,738 | $7.02 | 217,835 |
| Feb 17, 2026 | Pinos Elisabet de losdirector, officer: See Remarks | Sale | 47,648 | $5.06 | 409,815 |
| Feb 17, 2026 | Amy Elazzouziofficer: Senior Vice President, Finance | Sale | 8,549 | $5.06 | 75,532 |
| Feb 17, 2026 | Janet Jill Hopkinsofficer: Chief Medical Officer | Sale | 20,401 | $5.06 | 232,284 |
| Feb 17, 2026 | Mark Plavsicofficer: Chief Technology Officer | Sale | 15,890 | $5.05 | 181,397 |
| Feb 17, 2026 | Conor Kilroyofficer: See Remarks | Sale | 12,079 | $5.05 | 167,234 |
| Jan 20, 2026 | Pinos Elisabet de losdirector, officer: See Remarks | Sale | 16,928 | $4.86 | 457,463 |
| Jan 20, 2026 | Amy Elazzouziofficer: Senior Vice President, Finance | Sale | 1,581 | $4.86 | 84,081 |
House and Senate disclosures
Not reported.