Security key
007002108
Adicet Bio, Inc. - Common Stock, par value $0.0001 (ACET)
CUSIP: 007002108
Q1 2026 13F Holders as of 31 Mar 2026
- Security type / class
- Equity / Common Stock, par value $0.0001
- Total 13F shares
- 60,511
- Total 13F value
- $412,080
- Share change
- 0
- SEC-reported price per share
- $6.81
- Number of holders
- 1
- Shares outstanding
- 9,599,852
Holder snapshot
3 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q1 2026
Institutions
1
Top holders
1
ACET full security history
Ownership snapshot
Full 13F holder table
Previous quarter: Q4 2025
Adicet Bio, Inc. SEC filings
Adicet Bio, Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 007002108
Recent filing periods:
Ownership snapshot
Top reported holders of ACET - Adicet Bio, Inc. - Common Stock, par value $0.0001 (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
RA CAPITAL MANAGEMENT, L.P.
Disclosed value leader
RA CAPITAL MANAGEMENT, L.P.
Comparable rows
15/15
Latest evidence
17 Feb 2026
13D/G
13F
Lead comparable stake: 12%
13D/G row: RA CAPITAL MANAGEMENT, L.P.
Showing 1-6 of 15 holder rows.
Quick read
RA CAPITAL MANAGEMENT, L.P. leads the comparable SEC ownership view at 12%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens RA CAPITAL MANAGEMENT, L.P.'s linked filing trail.
Comparable ownership
Top 5
RA CAPITAL MANAGEMENT, L.P.
12%
FRANKLIN RESOURCES INC
6.5%
Woodline Partners LP
3.3%
TANG CAPITAL MANAGEMENT LLC
0.1%
ORBIMED ADVISORS LLC
11%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| RA CAPITAL MANAGEMENT, L.P. |
13D/G
13F
Company
|
12%
|
$8,834,201
1,182,624 shares
|
+$1,661,231 | 17 Feb 2026 |
| FRANKLIN RESOURCES INC |
13F
13D/G
Company
|
6.5%
from 13D/G
|
$5,275,728
626,571 shares
|
— | 31 Dec 2025 |
| Woodline Partners LP |
13F
13D/G
Company
|
3.3%
from 13D/G
|
$5,262,500
625,000 shares
|
— | 31 Dec 2025 |
| TANG CAPITAL MANAGEMENT LLC |
13F
13D/G
Company
|
0.1%
from 13D/G
|
$51,850
6,158 shares
|
— | 31 Dec 2025 |
| ORBIMED ADVISORS LLC |
13F
Company
|
11%
|
$8,655,288
1,027,944 shares
|
— | 31 Dec 2025 |
| VANGUARD GROUP INC |
13F
Company
|
3.1%
|
$2,452,552
291,277 shares
|
— | 31 Dec 2025 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q1 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
1
Shares
60,511
Rows available
1
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q1 2026 vs Q4 2025 Across Filers
Q4 2025 holders
1
Q1 2026 holders
1
Holder diff
0
| Investor | Q4 2025 Shares | Q1 2026 Shares | Share Diff | Share Chg % | Q4 2025 value | Q1 2026 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend