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

13F Institutional Holders and Ownership History for Q4 2025

Type / Class
Equity / Common Stock, par value $0.0001 per share
Symbol
ACET on Nasdaq
Shares outstanding
9,699,364
Price per share
$8.44
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

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. 9.9% $7,960,365 960,237 RA Capital Management, L.P. 31 Dec 2025
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 9,699,364 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 66% 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. 9.8% 948,249 0.08% $7,984,257
FRANKLIN RESOURCES INC 6.5% 626,571 0% $5,275,728
Woodline Partners LP 6.4% 625,000 0.02% $5,262,500
VANGUARD GROUP INC 3% 291,277 0% $2,452,552
ADAGE CAPITAL PARTNERS GP, L.L.C. 2.8% 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 1.1% 111,336 0% $937,449
CITADEL ADVISORS LLC 1.1% 107,814 0% $907,794
DAFNA Capital Management LLC 0.97% 93,812 0.18% $789,897
GEODE CAPITAL MANAGEMENT, LLC 0.92% 88,856 0% $748,270
BURKEHILL GLOBAL MANAGEMENT, LP 0.64% 62,500 0.03% $526,250
LUMINUS MANAGEMENT LLC 0.61% 59,558 0.46% $501,478
BRIDGEWAY CAPITAL MANAGEMENT, LLC 0.58% 56,350 0.01% $474,467
Squarepoint Ops LLC 0.57% 55,723 0% $469,188
RBF Capital, LLC 0.4% 38,582 0.01% $324,860

Institutional Holders of Adicet Bio, Inc. - Common Stock, par value $0.0001 per share (ACET) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q4 6,660,711 $56,073,864 +$54,744,540 $8.42 48