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Adicet Bio, Inc.

ACET
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001720580

No open-market purchases or sales by Adicet Bio, Inc. insiders were filed in the last 90 days; 56 institutions reported holding it in 13F filings for Q2 2026, worth $52.8M in total; no superinvestor holds it.

13F holders, Q1 2025

Institutional positions in Adicet Bio, Inc. as of Mar 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
56
−8 vs. Q4 2024
Shares held
55.9M
−1.76M (−3.1%) vs. Q4 2024
Total value
$42.0M
−$13.4M (−24.2%) vs. Q4 2024
New holders
4
13 more added
Sold out
12
22 more reduced

Compare with Q4 2024: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting ACET on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2025: 56 institutions
Q1 2021: 54 institutionsQ2 2021: 66 institutionsQ3 2021: 58 institutionsQ4 2021: 81 institutionsQ1 2022: 88 institutionsQ2 2022: 101 institutionsQ3 2022: 102 institutionsQ4 2022: 100 institutionsQ1 2023: 107 institutionsQ2 2023: 95 institutionsQ3 2023: 84 institutionsQ4 2023: 77 institutionsQ1 2024: 98 institutionsQ2 2024: 86 institutionsQ3 2024: 64 institutionsQ4 2024: 64 institutionsQ1 2025: 56 institutionsQ2 2025: 49 institutionsQ3 2025: 54 institutionsQ4 2025: 49 institutionsQ1 2026: 49 institutionsQ2 2026: 56 institutions
Value heldQ1 2025: $42.0M
Q1 2021: $266.3MQ2 2021: $218.1MQ3 2021: $156.1MQ4 2021: $531.2MQ1 2022: $660.4MQ2 2022: $555.9MQ3 2022: $590.7MQ4 2022: $375.7MQ1 2023: $231.3MQ2 2023: $90.4MQ3 2023: $48.9MQ4 2023: $63.0MQ1 2024: $176.6MQ2 2024: $77.4MQ3 2024: $82.3MQ4 2024: $55.4MQ1 2025: $42.0MQ2 2025: $31.5MQ3 2025: $41.6MQ4 2025: $56.6MQ1 2026: $43.7MQ2 2026: $52.8M
Institutions holding ACET and their total value by quarter
QuarterHoldersValue
Q2 202656$52.8M
Q1 202649$43.7M
Q4 202549$56.6M
Q3 202554$41.6M
Q2 202549$31.5M
Q1 202556$42.0M
Q4 202464$55.4M
Q3 202464$82.3M
Q2 202486$77.4M
Q1 202498$176.6M
Q4 202377$63.0M
Q3 202384$48.9M
Q2 202395$90.4M
Q1 2023107$231.3M
Q4 2022100$375.7M
Q3 2022102$590.7M
Q2 2022101$555.9M
Q1 202288$660.4M
Q4 202181$531.2M
Q3 202158$156.1M
Q2 202166$218.1M
Q1 202154$266.3M

Institutions, Q1 2025

Shares, value and share of portfolio for each institution holding Adicet Bio, Inc.; share changes are against Q4 2024.

Institutions holding ACET in Q1 2025
InstitutionSharesValue% of portfolioChange in sharesAction
OrbiMed Advisors LLC11,447,140$8.64M0.21%00.0%Unchanged
Tang Capital Management LLC8,223,612$6.21M0.34%+77,624+1.0%Added
Ra Capital Management, L.P.7,541,000$5.69M0.10%00.0%Unchanged
Goldman Sachs Group Inc3,816,556$2.88M0.00%+63,691+1.7%Added
Vanguard Group Inc3,205,882$2.42M0.00%00.0%Unchanged
Carlyle Group Inc.2,948,718$2.28M0.06%00.0%Unchanged
Aquilo Capital Management, LLC2,456,194$1.85M5.00%−75,000−3.0%Reduced
Acadian Asset Management LLC2,039,324$1.54M0.00%+36,277+1.8%Added
Citadel Advisors LLC1,248,711$942.8K0.00%+1,228,465+6,067.7%Added
Blackstone Group Inc.1,236,453$933.5K0.00%00.0%Unchanged
Millennium Management LLC1,223,869$924.0K0.00%−590,445−32.5%Reduced
Regeneron Pharmaceuticals, Inc.968,183$731.0K0.06%00.0%Unchanged
Bridgeway Capital Management, LLC901,600$680.7K0.02%−125,000−12.2%Reduced
Renaissance Technologies LLC810,700$612.1K0.00%−105,800−11.5%Reduced
Geode Capital Management, LLC770,703$582.1K0.00%+3,162+0.4%Added
BlackRock, Inc.749,067$565.5K0.00%−62,709−7.7%Reduced
Alyeska Investment Group, L.P.655,665$495.0K0.00%00.0%Unchanged
Two Sigma Advisers, LP622,839$470.2K0.00%−171,200−21.6%Reduced
RBF Capital, LLC617,319$466.1K0.03%+16,184+2.7%Added
DAFNA Capital Management LLC600,000$453.0K0.13%00.0%Unchanged
D. E. Shaw & Co., Inc.505,469$381.6K0.00%−341,595−40.3%Reduced
Two Sigma Investments, LP494,978$373.7K0.00%−208,383−29.6%Reduced
Susquehanna International Group, LLP457,722$345.6K0.00%−19,953−4.2%Reduced
Johnson & Johnson364,472$275.2K0.08%00.0%Unchanged
Stonepine Capital Management, LLC508,266$203.5K0.24%−191,734−27.4%Reduced
FMR LLC248,990$188.0K0.00%−56,917−18.6%Reduced
State Street Corp246,921$186.4K0.00%00.0%Unchanged
Wealthedge Investment Advisors, LLC227,801$172.0K0.08%+154,037+208.8%Added
Dimensional Fund Advisors LP147,814$111.8K0.00%00.0%Unchanged
Northern Trust Corp140,373$106.0K0.00%+40.0%Added
UBS Group AG64,039$48.3K0.00%−139,190−68.5%Reduced
Vontobel Holding Ltd.60,000$46.6K0.00%+10,000+20.0%Added
Qube Research & Technologies Ltd53,834$40.6K0.00%−82,273−60.4%Reduced
Prelude Capital Management, LLC34,247$25.9K0.00%+5,338+18.5%Added
Charles Schwab Investment Management Inc30,000$22.6K0.00%00.0%Unchanged
Virtu Financial LLC23,727$18.0K0.00%−6,884−22.5%Reduced
Bank of America Corp20,541$15.5K0.00%−16,822−45.0%Reduced
Tower Research Capital LLC (TRC)18,288$13.8K0.00%+18,288New
Caxton Corp17,488$13.2K0.26%00.0%Unchanged
Jane Street Group, LLC16,299$12.3K0.00%+3,987+32.4%Added
Ground Swell Capital, LLC15,947$12.0K0.03%+15,947New
Point72 Asia (Singapore) Pte. Ltd.13,473$10.2K0.00%−26,524−66.3%Reduced
StoneX Group Inc.12,448$9.40K0.00%+12,448New
Cubist Systematic Strategies, LLC12,398$9.36K0.00%−118−0.9%Reduced
Squarepoint Ops LLC11,567$8.73K0.00%−172,789−93.7%Reduced
Coldstream Capital Management Inc8,875$6.70K0.00%+8,875New
Group One Trading, L.P.6,792$5.13K0.00%−4,408−39.4%Reduced
Citigroup Inc2,290$1.73K0.00%+2,048+846.3%Added
Morgan Stanley1,683$1.27K0.00%−6,242−78.8%Reduced
Simplex Trading, LLC1,855$1.00K0.00%−12,620−87.2%Reduced
JPMorgan Chase & Co1,170$8830.00%−149,315−99.2%Reduced
Hollencrest Capital Management900$6800.00%00.0%Unchanged
BNP Paribas Arbitrage, SA894$6750.00%00.0%Unchanged
SBI Securities Co., Ltd.764$5770.00%+593+346.8%Added
Point72 (DIFC) Ltd95$720.00%00.0%Unchanged
Thompson Investment Management, Inc.80$600.00%00.0%Unchanged
Norges Bank0$00.00%−429,550−100.0%Sold out
Exchange Traded Concepts, LLC0$00.00%−111,642−100.0%Sold out
Diametric Capital, LP0$00.00%−85,517−100.0%Sold out
XTX Topco Ltd0$00.00%−68,197−100.0%Sold out
Connor, Clark & Lunn Investment Management Ltd.0$00.00%−51,175−100.0%Sold out
Castleview Partners, LLC0$00.00%−47,903−100.0%Sold out
Marshall Wace, LLP0$00.00%−40,306−100.0%Sold out
Gsa Capital Partners LLP0$00.00%−16,762−100.0%Sold out
The PNC Financial Services Group, Inc.0$00.00%−168−100.0%Sold out
Barclays PLC0$00.00%−14−100.0%Sold out
Royal Bank of Canada0$00.00%−357−100.0%Sold out
Lazard Asset Management LLC0$00.00%−414−100.0%Sold out