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
Blake AftabChief Scientific Officer2026-01-24535$8.44
$4.52kSell
Brian Nicholas HarveyChief Financial Officer2026-01-24546$8.44
$4.61kSell
Don HealeyChief Technology Officer2026-01-24535$8.44
$4.52kSell
Chen SchorPresident CEO2026-01-241,755$8.44
$14.81kSell
Orbimed Advisors LLC10% Owner2025-10-081,500,000$1.00
$1.50MBuy
Orbimed Advisors LLC10% Owner2025-10-083,500,000$1.00
$3.50MBuy

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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
Orbimed Advisors LLC119.51%11,447,140$97.76MInstitution
Tang Capital Management LLC85.86%8,223,612$70.23MInstitution
Ra Capital Management LP78.73%7,541,000$64.40MInstitution
Jonathan Silverstein50.43%4,830,387$41.25MInsider
Goldman Sachs Group Inc39.17%3,751,617$32.04MInstitution
Vanguard Group Inc34.17%3,272,522$27.95MInstitution
Carlyle Group Inc30.78%2,948,718$25.18MInstitution
Acadian Asset Management LLC23.65%2,265,491$19.35MInstitution
Andrew Sinclair22.27%2,133,085$18.22MInsider
Puretech Health LLC22.13%2,119,696$18.10MInsider

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ACET vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
ACET75.89%24.11%Net BuyingNet Selling
ANVS7.64%16.02%Net BuyingNet Buying
XBIT9.63%46.67%
INO38.66%57.97%Net Selling
ATOS15.00%11.29%Net Buying

Adicet Bio Stock Ownership FAQ

Who owns Adicet Bio?

Adicet Bio (NASDAQ: ACET) is owned by 535.94% institutional shareholders, 170.27% Adicet Bio insiders, and 0.00% retail investors. Jonathan Silverstein is the largest individual Adicet Bio shareholder, owning 4.83M shares representing 50.43% of the company. Jonathan Silverstein's Adicet Bio shares are currently valued at $40.82M.

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