Who owns Adicet Bio, Inc.?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from SEC filings.
Institutional ownership of ACET from SEC Form 13F filings across 36 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 36 institutions disclosed 3.7M shares of Adicet Bio, Inc. worth $31.1M — about 34.7% of shares outstanding; the largest disclosed holder is ORBIMED ADVISORS LLC. Source: SEC Form 13F filings, parsed by EvidInvest.
36
13F holders
$31.1M
value, 2026 filers
34.7%
of shares outstanding (3.7M sh)
9
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30· % of fund = share of the manager's own book · % of co. = share of ACET's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | ORBIMED ADVISORS LLC | 844,787 | $7.3M | 0.1% | 7.9% | -17.8% |
| 2 | FRANKLIN RESOURCES INC | 626,571 | $5.4M | 0.0% | 5.8% | 0.0% |
| 3 | CITADEL ADVISORS LLC | 432,738 | $3.7M | 0.0% | 4% | +13.3% |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | 343,228 | $3.0M | 0.0% | 3.2% | -49.0% |
| 5 | ADAGE CAPITAL PARTNERS GP, L.L.C. | 274,375 | $2.4M | 0.0% | 2.6% | 0.0% |
| 6 | Schonfeld Strategic Advisors LLCNEW | 195,514 | $1.7M | 0.0% | 1.8% | new |
| 7 | Carlyle Group Inc. | 184,295 | $1.6M | 0.0% | 1.7% | 0.0% |
| 8 | ACADIAN ASSET MANAGEMENT LLC | 124,832 | $1,076 | 0.0% | 1.2% | +5.7% |
| 9 | TWO SIGMA INVESTMENTS, LP | 96,839 | $836,689 | 0.0% | 0.9% | +124.7% |
| 10 | GEODE CAPITAL MANAGEMENT, LLC | 95,634 | $826,703 | 0.0% | 0.9% | -5.4% |
| 11 | MARSHALL WACE, LLPNEW | 79,488 | $686,775 | 0.0% | 0.7% | new |
| 12 | JANE STREET GROUP, LLC | 70,561 | $609,647 | 0.0% | 0.7% | +90.3% |
| 13 | Burkehill Global Management, LP | 62,500 | $540,000 | 0.0% | 0.6% | 0.0% |
| 14 | BlackRock, Inc. | 62,126 | $536,769 | 0.0% | 0.6% | +69.8% |
| 15 | VANGUARD FIDUCIARY TRUST CO | 50,670 | $437,789 | 0.0% | 0.5% | +0.7% |
| 16 | RBF Capital, LLC | 38,582 | $333,348 | 0.0% | 0.4% | -50.0% |
| 17 | UBS Group AG | 29,817 | $257,619 | 0.0% | 0.3% | -22.3% |
| 18 | SUSQUEHANNA INTERNATIONAL GROUP, LLPNEW | 20,650 | $178,416 | 0.0% | 0.2% | new |
| 19 | PRELUDE CAPITAL MANAGEMENT, LLCNEW | 18,550 | $160,272 | 0.0% | 0.2% | new |
| 20 | NORTHERN TRUST CORP | 18,436 | $159,287 | 0.0% | 0.2% | -4.0% |
| 21 | Squarepoint Ops LLCNEW | 15,254 | $131,795 | 0.0% | 0.1% | new |
| 22 | Vontobel Holding Ltd. | 13,776 | $119,025 | 0.0% | 0.1% | -3.3% |
| 23 | Jump Financial, LLCNEW | 10,942 | $94,539 | 0.0% | 0.1% | new |
| 24 | Arax Advisory PartnersNEW | 6,000 | $51,840 | 0.0% | 0.1% | new |
| 25 | Vanguard Global Advisers, LLC | 5,221 | $45,109 | 0.0% | 0% | 0.0% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.