Adicet Bio (ACET)
Develops off-the-shelf gamma delta CAR-T cell therapies for autoimmune disease and cancer.
$9.10
After hours+0.01 (+0.11%)
At close$9.09(+1.79%)
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13F · 13D/G · Form 4
| Institutions | 65.27% | 6.11M shares | |
|---|---|---|---|
| 59 holders · as of Jun 30, 2026 | |||
| Insiders | 0.32% | 29.6K shares | |
| 9 holders · as of Jan 27, 2026 | |||
| Other | 34.41% | 3.22M shares | |
| remainder | |||
9.36M company shares as of Sep 22, 2026 · institutions as of Jun 30, 2026 · holders as of their latest filing
13F, as of Jun 30, 2026
59 holders · 6.11M shares · 13 new positions · 30 increased · 11 reduced · 6 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| Ra Capital Management, L.P. | 932.6K | 9.96% | −250.0K | Aug 14, 2026 |
| Orbimed Advisors LLC | 844.8K | 9.02% | −183.2K | Aug 14, 2026 |
| Franklin Resources Inc | 626.6K | 6.69% | 0 | Aug 13, 2026 |
| Citadel Advisors LLC | 432.7K | 4.62% | +50.9K | Sep 2, 2026 |
| Vanguard Capital Management LLC | 343.2K | 3.67% | +6.7K | Aug 13, 2026 |
| Adage Capital Partners GP, L.L.C. | 274.4K | 2.93% | 0 | Aug 14, 2026 |
| Renaissance Technologies LLC | 265.9K | 2.84% | +33.4K | Aug 13, 2026 |
| Stonepine Capital Management, LLC | 245.5K | 2.62% | +23.6K | Aug 17, 2026 |
13D/G · 5% or more, as filed
| Holder | % of class | Shares | Form | Filed |
|---|---|---|---|---|
| RA Capital Management, L.P. | 12.30% | 1.18M | 13G | Apr 13, 2026 |
| Tang Capital Management, LLC | 9.90% | 13G | May 15, 2025 | |
| Orbimed Advisors LLCincl. Orbimed Israel Biofund GP Limited Partnership, Orbimed Israel GP Ltd. +5 more | 8.80% | 844.8K | 13D | Apr 10, 2026 |
| Franklin Resources, Inc. | 6.50% | 626.6K | 13G | Jan 29, 2026 |
Form 4
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| Feb 18, 2026 | Ra Capital Management, L.P.10 percent owner | Purchase | 74,577 | $7.04 | 1,033,605 |
| Feb 19, 2026 | Ra Capital Management, L.P.10 percent owner | Purchase | 74,268 | $7.21 | 1,107,873 |
| Feb 20, 2026 | Ra Capital Management, L.P.10 percent owner | Purchase | 74,751 | $7.27 | 1,182,624 |
| Apr 8, 2026 | Orbimed Advisors LLC10 percent owner | Sale · 2 lots | 72,939 | $6.42 | 0 |
| Apr 7, 2026 | Orbimed Advisors LLC10 percent owner | Sale · 2 lots | 31,719 | $6.52 | 32,523 |
| Oct 8, 2025 | Orbimed Advisors LLC10 percent owner | Purchase · 2 lots | 5,000,000 | $1.00 | 9,026,359 |
House and Senate disclosures
Not reported.