Latest Period
Q4 2025
Security Snapshot
Adicet Bio, Inc. - Common Stock, par value $0.0001 per share (ACET) Institutional Ownership
CUSIP: 007002207
13F Institutional Holders and Ownership History from Q4 2025 to Q1 2026
Institutions Reporting
48
Shares (Excl. Options)
6,660,711
Price
$8.42
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- Type / Class
- Equity / Common Stock, par value $0.0001 per share
- Symbol
- ACET on Nasdaq
- Shares outstanding
- 9,614,829
- Price per share
- $6.81
- All holders as of 31 Dec 2025
- Q4 2025
- Total 13F shares
- 6,660,711
- Total reported value
- $56,073,864
- % of total 13F portfolios
- 0%
- Share change
- +6,502,834
- Value change
- +$54,744,540
- Number of holders
- 48
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors
Quick Takeaways
- ACET - Adicet Bio, Inc. - Common Stock, par value $0.0001 per share is tracked under CUSIP 007002207.
- 48 institutions reported positions in Q4 2025.
- 4 significant owners is listed from Schedule 13D/13G reporting.
What Changed
- Holder count moved from 48 to 10 between Q4 2025 and Q1 2026.
- Reported value moved from $56,073,864 to $4,378,941.
Why This Matters
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Source Evidence
Source: SEC Form 13F
Open SEC Evidence
Latest holder context comes from 48 institutions filings for Q4 2025.
Investment Quick Answers
What is CUSIP 007002207?
CUSIP 007002207 identifies ACET - Adicet Bio, Inc. - Common Stock, par value $0.0001 per share in SEC 13F datasets.
Where can I see the latest institutional holders?
Review the Q4 2025 holders report and the ownership history table below.
Next ownership checks
Use the next link that matches the question you still need to answer about this security.
- Latest 13F filings when you want to inspect fresh institutional portfolio moves.
- Latest Schedule 13D/13G reports when you need large-owner changes outside the 13F cycle.
- All institutional ownership pages to compare this security with other holder-history pages.
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 007002207:
Significant Owners of Adicet Bio, Inc. - Common Stock, par value $0.0001 per share (ACET) based on Schedule 13D/G filings
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| RA CAPITAL MANAGEMENT, L.P. | 12% | +24% | $8,834,201 | +$1,661,231 | 1,182,624 | +23% | RA Capital Management, L.P. | 17 Feb 2026 |
| FRANKLIN RESOURCES INC | 6.5% | $5,238,572 | 626,571 | Franklin Resources, Inc. | 31 Dec 2025 | |||
| Woodline Partners LP | 6.5% | $5,181,250 | 625,000 | Woodline Partners LP | 31 Dec 2025 | |||
| TANG CAPITAL MANAGEMENT LLC | 0.1% | $51,050 | 6,158 | TANG CAPITAL MANAGEMENT, LLC | 31 Dec 2025 |
As of 31 Dec 2025, 48 institutional investors reported holding 6,660,711 shares of Adicet Bio, Inc. - Common Stock, par value $0.0001 per share (ACET). This represents 69% of the company’s total 9,614,829 outstanding shares.
Top 25 Institutional Shareholders
The largest institutional shareholders of Adicet Bio, Inc. - Common Stock, par value $0.0001 per share (ACET) together control 67% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| ORBIMED ADVISORS LLC | 11% | 1,027,944 | 0.18% | $8,655,288 | |
| RA CAPITAL MANAGEMENT, L.P. | 9.9% | 948,249 | 0.08% | $7,984,257 | |
| FRANKLIN RESOURCES INC | 6.5% | 626,571 | 0% | $5,275,728 | |
| Woodline Partners LP | 6.5% | 625,000 | 0.02% | $5,262,500 | |
| VANGUARD GROUP INC | 3% | 291,277 | 0% | $2,452,552 | |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | 2.9% | 274,375 | 0% | $2,310,238 | |
| Prosight Management, LP | 2.6% | 250,244 | 0.44% | $2,107,054 | |
| RENAISSANCE TECHNOLOGIES LLC | 2.5% | 242,945 | 0% | $2,045,597 | |
| GOLDMAN SACHS GROUP INC | 2.4% | 234,510 | 0% | $1,974,574 | |
| Stonepine Capital Management, LLC | 2.3% | 220,011 | 1.5% | $1,852,493 | |
| Alyeska Investment Group, L.P. | 2.1% | 203,799 | 0% | $1,715,988 | |
| Carlyle Group Inc. | 1.9% | 184,295 | 0.01% | $1,544,391 | |
| ACADIAN ASSET MANAGEMENT LLC | 1.9% | 181,395 | 0% | $1,525,000 | |
| NEXTBio Capital Management LP | 1.6% | 157,827 | 0% | 0.78% | $1,328,903 |
| TWO SIGMA INVESTMENTS, LP | 1.5% | 144,796 | 0% | $1,219,182 | |
| ADAR1 Capital Management, LLC | 1.3% | 128,646 | 0.08% | $1,083,199 | |
| TWO SIGMA ADVISERS, LP | 1.2% | 111,336 | 0% | $937,449 | |
| CITADEL ADVISORS LLC | 1.1% | 107,814 | 0% | $907,794 | |
| DAFNA Capital Management LLC | 0.98% | 93,812 | 0.18% | $789,897 | |
| GEODE CAPITAL MANAGEMENT, LLC | 0.92% | 88,856 | 0% | $748,270 | |
| BURKEHILL GLOBAL MANAGEMENT, LP | 0.65% | 62,500 | 0.03% | $526,250 | |
| LUMINUS MANAGEMENT LLC | 0.62% | 59,558 | 0.46% | $501,478 | |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 0.59% | 56,350 | 0.01% | $474,467 | |
| Squarepoint Ops LLC | 0.58% | 55,723 | 0% | $469,188 | |
| RBF Capital, LLC | 0.4% | 38,582 | 0.01% | $324,860 |