How many institutions held ACET - Adicet Bio, Inc. - Common Stock, par value $0.0001 per share in Q2 2026?

56 institutional investors reported ACET - Adicet Bio, Inc. - Common Stock, par value $0.0001 per share for Q2 2026. Use the holders table for investor-level position and value details.

Adicet Bio, Inc. - Common Stock, par value $0.0001 per share (ACET)

Q: What does CUSIP 007002207 represent in this 13F holders report?

CUSIP 007002207 is the security identifier for ACET - Adicet Bio, Inc. - Common Stock, par value $0.0001 per share used to aggregate holder disclosures.

CUSIP: 007002207

Q2 2026 13F Holders as of 30 Jun 2026

Security type / class: Equity / Common Stock, par value $0.0001 per share
Total 13F shares: 6,109,842
Total 13F value: $52,787,192
Share change: -240,056
Put/Call ratio: 396%
SEC-reported price per share: $8.64
Number of holders: 56
Value change: -$885,342
Number of buys: 31
Number of sells: 15
Shares outstanding: 9,449,354

Security key

007002207

Report period

Q2 2026

Institutions

Top holders

ACET full security history Ownership snapshot Full 13F holder table Newer quarter: Q3 2026 Previous quarter: Q4 2025 Adicet Bio, Inc. SEC filings Adicet Bio, Inc. company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP 007002207

Newer quarter: Q3 2026 Previous quarter: Q4 2025

Recent filing periods:

Q3 2026 Q4 2025

Ownership snapshot

Top reported holders of ACET - Adicet Bio, Inc. - Common Stock, par value $0.0001 per share (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

5/15

Latest evidence

30 Jun 2026

13D/G 3/4/5 13F Lead comparable stake: 9.9% 10 rows are not safely comparable across share classes. 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 9.9%.

5 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. 9.9%

ORBIMED ADVISORS LLC 8.8%

FRANKLIN TEMPLETON INC 6.5%

Woodline Partners LP 3.3%

TANG CAPITAL MANAGEMENT LLC 0.1%

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 3/4/5 13F 10%+ Owner · Company 13D/G 3/4/5 13F	9.9% Reported 13D/G · 30 Jun 2026	$8,082,599 935,486 shares	-$2,135,272	30 Jun 2026
ORBIMED ADVISORS LLC	13D/G 13F Company 13D/G 13F	8.8% Reported 13D/G · 08 Apr 2026	$7,113,107 844,787 shares	-$117,272,169	08 Apr 2026
FRANKLIN TEMPLETON INC	13D/G 13F Franklin Resources, Inc. · Company 13D/G 13F	6.5% Reported 13D/G · 31 Dec 2025	$5,238,572 626,571 shares	$0	31 Dec 2025
Woodline Partners LP	13D/G 13F Company 13D/G 13F	3.3% Reported 13D/G · 31 Mar 2026	$2,132,374 313,124 shares	-$2,123,876	31 Mar 2026
TANG CAPITAL MANAGEMENT LLC	13D/G 13D/G	0.1% Reported 13D/G · 31 Dec 2025	$51,050 6,158 shares	$0	31 Dec 2025
Peter Kolchinsky	3/4/5 10%+ Owner 3/4/5	— mixed-class rows	$6,226,197 2,335,457 shares mixed-class rows	+$1,603,934	27 Apr 2026

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 Q2 2026

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

6,109,842

Rows available

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 Q2 2026 vs Q4 2025 Across Filers

Q4 2025 holders

Q2 2026 holders

Holder diff

Investor	Q4 2025 Shares	Q2 2026 Shares	Share Diff	Share Chg %	Q4 2025 value	Q2 2026 value	Value change	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend