NASDAQ: ACET
Adicet Bio Inc Stock Ownership - Who owns Adicet Bio?

Insider buying vs selling

Have Adicet Bio Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Orbimed Advisors LLC10% Owner2026-04-0840,416$6.52
$263.51kSell
Orbimed Advisors LLC10% Owner2026-04-0832,523$6.29
$204.57kSell
Orbimed Advisors LLC10% Owner2026-04-0729,319$6.53
$191.45kSell
Orbimed Advisors LLC10% Owner2026-04-072,400$6.38
$15.31kSell
Ra Capital Management LP10% Owner2026-02-2074,751$7.27
$543.44kBuy
Ra Capital Management LP10% Owner2026-02-1974,268$7.21
$535.47kBuy
Ra Capital Management LP10% Owner2026-02-1874,577$7.04
$525.02kBuy
Chen SchorPresident CEO2026-01-241,755$8.44
$14.81kSell
Brian Nicholas HarveyChief Financial Officer2026-01-24546$8.44
$4.61kSell
Don HealeyChief Technology Officer2026-01-24535$8.44
$4.52kSell

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Net Insider Buy/Sell (L12M) Ownership

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ACET Shareholders

What type of owners hold Adicet Bio Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Jonathan Silverstein51.67%4,830,387$38.88MInsider
Andrew Sinclair22.82%2,133,085$17.17MInsider
Puretech Health LLC22.67%2,119,696$17.06MInsider
Joan Mannick21.44%2,004,585$16.14MInsider
Ra Capital Management LP12.65%1,182,624$9.52MInstitution
Yair Chaim Schindel11.81%1,104,460$8.89MInsider
Orbimed Advisors LLC11.00%1,027,944$8.27MInstitution
Aya Jakobovits10.60%990,987$7.98MInsider
Ra Capital Management LP9.98%932,624$7.51MInsider
Erez Chimovits9.66%902,885$7.27MInsider

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ACET vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
ACET28.27%71.73%Net BuyingNet Selling
HRTX55.61%44.39%Net Buying
OSTX6.51%14.34%
CLNN7.79%92.21%Net SellingNet Selling
LIXT5.92%48.67%

Adicet Bio Stock Ownership FAQ

Who owns Adicet Bio?

Adicet Bio (NASDAQ: ACET) is owned by 68.57% institutional shareholders, 174.01% Adicet Bio insiders, and 0.00% retail investors. Jonathan Silverstein is the largest individual Adicet Bio shareholder, owning 4.83M shares representing 51.67% of the company. Jonathan Silverstein's Adicet Bio shares are currently valued at $38.88M.

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