Skip to main content
Livermore
Livermore
ZHEN

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 2026

Institutional positions in Adicet Bio, Inc. as of Jun 30, 2026. 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
+7 vs. Q1 2026
Shares held
6.11M
−300.6K (−4.7%) vs. Q1 2026
Total value
$52.8M
+$9.13M (+20.9%) vs. Q1 2026
New holders
13
18 more added
Sold out
6
9 more reduced

Compare with Q1 2026: 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 2026: 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 heldQ2 2026: $52.8M
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 2026

Shares, value and share of portfolio for each institution holding Adicet Bio, Inc.; share changes are against Q1 2026.

Institutions holding ACET in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Danske Bank A/S1$90.00%00.0%Unchanged
TD Waterhouse Canada Inc.3$260.00%+3New
FMR LLC6$520.00%+6New
National Bank of Canada17$1460.00%00.0%Unchanged
SBI Securities Co., Ltd.24$2070.00%+5+26.3%Added
Caitong International Asset Management Co., Ltd47$4060.00%+44+1,466.7%Added
BNP Paribas Arbitrage, SA50$4320.00%00.0%Unchanged
JPMorgan Chase & Co196$1.68K0.00%+188+2,350.0%Added
Avion Wealth246$2.00K0.00%00.0%Unchanged
Tower Research Capital LLC (TRC)277$2.39K0.00%−1,144−80.5%Reduced
Royal Bank of Canada1,701$15.0K0.00%+2+0.1%Added
Morgan Stanley2,291$19.8K0.00%−1,202−34.4%Reduced
Simplex Trading, LLC4,814$41.6K0.00%+3,421+245.6%Added
Vanguard Global Advisers, LLC5,221$45.1K0.00%00.0%Unchanged
SRS Capital Advisors, Inc.6,000$51.8K0.00%+6,000New
Jump Financial, LLC10,942$94.5K0.00%+10,942New
Axq Capital, LP10,991$95.0K0.01%+10,991New
Vontobel Holding Ltd.13,776$119.0K0.00%−471−3.3%Reduced
Squarepoint Ops LLC15,254$131.8K0.00%+15,254New
Occudo Quantitative Strategies LP16,636$143.7K0.01%+1,536+10.2%Added
Northern Trust Corp18,436$159.3K0.00%−764−4.0%Reduced
Prelude Capital Management, LLC18,550$160.3K0.01%+18,550New
Susquehanna International Group, LLP20,650$178.4K0.00%+20,650New
Johnson & Johnson22,779$196.8K0.02%00.0%Unchanged
XTX Topco Ltd24,284$209.8K0.00%+5,158+27.0%Added
Verdad Advisers, LP25,200$217.7K0.21%+25,200New
UBS Group AG29,817$257.6K0.00%−8,551−22.3%Reduced
Dimensional Fund Advisors LP31,603$273.0K0.00%+20,825+193.2%Added
Quadrature Capital Ltd36,193$312.7K0.00%+36,193New
State Street Corp36,222$313.0K0.00%00.0%Unchanged
RBF Capital, LLC38,582$333.3K0.01%00.0%Unchanged
Vanguard Fiduciary Trust Co50,670$437.8K0.00%+336+0.7%Added
Rangeley Capital, LLC50,892$439.7K0.43%−5,108−9.1%Reduced
Regeneron Pharmaceuticals, Inc.60,511$522.8K0.30%00.0%Unchanged
BlackRock, Inc.62,126$536.8K0.00%+25,541+69.8%Added
Burkehill Global Management, LP62,500$540.0K0.02%00.0%Unchanged
Jane Street Group, LLC70,561$609.6K0.00%+33,477+90.3%Added
Trexquant Investment LP78,002$673.9K0.00%+34,336+78.6%Added
Marshall Wace, LLP79,488$686.8K0.00%+79,488New
Bridgeway Capital Management, LLC85,959$742.7K0.01%+85,959New
DAFNA Capital Management LLC93,812$810.5K0.15%00.0%Unchanged
Geode Capital Management, LLC95,634$826.7K0.00%−5,501−5.4%Reduced
Two Sigma Investments, LP96,839$836.7K0.00%+53,733+124.7%Added
Acadian Asset Management LLC124,832$1.08M0.00%+6,694+5.7%Added
NEXTBio Capital Management LP157,827$1.36M0.63%00.0%Unchanged
Carlyle Group Inc.184,295$1.59M0.02%00.0%Unchanged
Schonfeld Strategic Advisors LLC195,514$1.69M0.01%+195,514New
Alyeska Investment Group, L.P.203,799$1.76M0.00%00.0%Unchanged
Stonepine Capital Management, LLC245,518$2.12M1.61%+23,563+10.6%Added
Renaissance Technologies LLC265,945$2.30M0.00%+33,354+14.3%Added
Adage Capital Partners GP, L.L.C.274,375$2.37M0.00%00.0%Unchanged
Vanguard Capital Management LLC343,228$2.97M0.00%+6,704+2.0%Added
Citadel Advisors LLC432,738$3.74M0.00%+50,915+13.3%Added
Franklin Resources Inc626,571$5.41M0.00%00.0%Unchanged
OrbiMed Advisors LLC844,787$7.30M0.14%−183,157−17.8%Reduced
Ra Capital Management, L.P.932,624$8.06M0.07%−250,000−21.1%Reduced
Woodline Partners LP0$00.00%−313,124−100.0%Sold out
Prosight Management, LP0$00.00%−250,244−100.0%Sold out
ADAR1 Capital Management, LLC0$00.00%−53,827−100.0%Sold out
Barclays PLC0$00.00%−25,000−100.0%Sold out
GWM Advisors LLC0$00.00%−3,854−100.0%Sold out
FNY Investment Advisers, LLC0$00.00%−3,200−100.0%Sold out