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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, Q2 2025

Institutional positions in Adicet Bio, Inc. as of Jun 30, 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
49
−7 vs. Q1 2025
Shares held
51.6M
−4.25M (−7.6%) vs. Q1 2025
Total value
$31.5M
−$10.6M (−25.1%) vs. Q1 2025
New holders
10
12 more added
Sold out
17
15 more reduced

Compare with Q1 2025: 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 holdersQ2 2025: 49 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 heldQ2 2025: $31.5M
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, Q2 2025

Shares, value and share of portfolio for each institution holding Adicet Bio, Inc.; share changes are against Q1 2025.

Institutions holding ACET in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Simplex Trading, LLC583$00.00%−1,272−68.6%Reduced
Royal Bank of Canada88$00.00%+88New
Citigroup Inc708$4320.00%−1,582−69.1%Reduced
JPMorgan Chase & Co771$4700.00%−399−34.1%Reduced
SBI Securities Co., Ltd.822$5010.00%+58+7.6%Added
BNP Paribas Arbitrage, SA896$5470.00%+2+0.2%Added
Riggs Asset Managment Co. Inc.1,122$6850.00%+1,122New
Toth Financial Advisory Corp1,600$9760.00%+1,600New
Hollencrest Capital Management2,000$1.22K0.00%+1,100+122.2%Added
Raymond James Financial Inc3,752$2.29K0.00%+3,752New
Landscape Capital Management, L.L.C.17,846$10.9K0.00%+17,846New
UBS Group AG18,508$11.3K0.00%−45,531−71.1%Reduced
Qube Research & Technologies Ltd19,957$12.2K0.00%−33,877−62.9%Reduced
Bank of America Corp20,635$12.6K0.00%+94+0.5%Added
D. E. Shaw & Co., Inc.22,199$13.5K0.00%−483,270−95.6%Reduced
XTX Topco Ltd23,580$14.4K0.00%+23,580New
Tower Research Capital LLC (TRC)29,059$17.7K0.00%+10,771+58.9%Added
Charles Schwab Investment Management Inc30,000$18.3K0.00%00.0%Unchanged
Abacus Planning Group, Inc.36,764$22.4K0.00%+36,764New
Dimensional Fund Advisors LP57,268$34.9K0.00%−90,546−61.3%Reduced
Morgan Stanley72,226$44.1K0.00%+70,543+4,191.5%Added
Vontobel Holding Ltd.80,000$48.8K0.00%+20,000+33.3%Added
Northern Trust Corp140,373$85.6K0.00%00.0%Unchanged
Barclays PLC150,000$91.5K0.00%+150,000New
FMR LLC244,778$149.3K0.00%−4,212−1.7%Reduced
State Street Corp246,921$150.6K0.00%00.0%Unchanged
Luminus Management LLC289,935$176.9K0.05%+289,935New
Wealthedge Investment Advisors, LLC313,108$191.0K0.08%+85,307+37.4%Added
Johnson & Johnson364,472$228.0K0.07%00.0%Unchanged
Citadel Advisors LLC460,406$280.8K0.00%−788,305−63.1%Reduced
Two Sigma Investments, LP512,807$312.8K0.00%+17,829+3.6%Added
DAFNA Capital Management LLC540,000$329.4K0.09%−60,000−10.0%Reduced
Two Sigma Advisers, LP566,039$345.3K0.00%−56,800−9.1%Reduced
Millennium Management LLC592,327$361.3K0.00%−631,542−51.6%Reduced
BlackRock, Inc.599,487$365.7K0.00%−149,580−20.0%Reduced
RBF Capital, LLC617,319$376.6K0.02%00.0%Unchanged
Alyeska Investment Group, L.P.655,665$400.0K0.00%00.0%Unchanged
Geode Capital Management, LLC706,334$431.0K0.00%−64,369−8.4%Reduced
Bridgeway Capital Management, LLC901,600$550.0K0.01%00.0%Unchanged
Regeneron Pharmaceuticals, Inc.968,183$590.6K0.04%00.0%Unchanged
Renaissance Technologies LLC1,153,816$703.8K0.00%+343,116+42.3%Added
Schonfeld Strategic Advisors LLC1,880,095$1.15M0.01%+1,880,095New
Acadian Asset Management LLC2,074,604$1.26M0.00%+35,280+1.7%Added
Carlyle Group Inc.2,948,718$1.80M0.04%00.0%Unchanged
Vanguard Group Inc3,272,522$2.00M0.00%+66,640+2.1%Added
Goldman Sachs Group Inc3,752,098$2.29M0.00%−64,458−1.7%Reduced
Ra Capital Management, L.P.7,541,000$4.60M0.08%00.0%Unchanged
Tang Capital Management LLC8,223,612$5.02M0.25%00.0%Unchanged
OrbiMed Advisors LLC11,447,140$6.98M0.18%00.0%Unchanged
Aquilo Capital Management, LLC0$00.00%−2,456,194−100.0%Sold out
Blackstone Group Inc.0$00.00%−1,236,453−100.0%Sold out
Susquehanna International Group, LLP0$00.00%−457,722−100.0%Sold out
Stonepine Capital Management, LLC0$00.00%−508,266−100.0%Sold out
Prelude Capital Management, LLC0$00.00%−34,247−100.0%Sold out
Virtu Financial LLC0$00.00%−23,727−100.0%Sold out
Caxton Corp0$00.00%−17,488−100.0%Sold out
Jane Street Group, LLC0$00.00%−16,299−100.0%Sold out
Ground Swell Capital, LLC0$00.00%−15,947−100.0%Sold out
Point72 Asia (Singapore) Pte. Ltd.0$00.00%−13,473−100.0%Sold out
StoneX Group Inc.0$00.00%−12,448−100.0%Sold out
Cubist Systematic Strategies, LLC0$00.00%−12,398−100.0%Sold out
Squarepoint Ops LLC0$00.00%−11,567−100.0%Sold out
Coldstream Capital Management Inc0$00.00%−8,875−100.0%Sold out
Group One Trading, L.P.0$00.00%−6,792−100.0%Sold out
Point72 (DIFC) Ltd0$00.00%−95−100.0%Sold out
Thompson Investment Management, Inc.0$00.00%−80−100.0%Sold out