​

Adicet Bio Ownership | Who Owns Adicet Bio?

OverviewForecastRevenueFinancialsChart

Adicet Bio Ownership Summary

Adicet Bio is owned by 8.03% institutional investors, 1.49% insiders, and 90.49% retail investors. Orbimed advisors is the largest institutional shareholder, holding 12.57% of ACET shares. Vanguard US Total Market Shares ETF is the top mutual fund, with 2.51% of its assets in Adicet Bio shares.

ACET Ownership Benchmark

TypeName% Inst% Insiders% Retail
StockAdicet Bio8.03%1.49%90.49%
SectorHealthcare Stocks 42.53%10.81%46.67%
IndustryBiotech Stocks 45.24%10.75%44.01%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

HolderShares% HoldingValue
Orbimed advisors11.45M12.57%$9.27M
Tang capital management8.22M9.03%$6.66M
Ra capital management7.54M8.28%$6.11M
Goldman sachs group3.75M4.12%$3.04M
Vanguard group3.27M3.59%$2.65M
Carlyle group2.95M3.24%$2.39M
Aquilo capital management2.46M2.70%$1.85M
Acadian asset management2.27M2.49%$1.83M
Renaissance1.83M2.01%$1.48M
Millennium management1.22M1.34%$924.02K

Top Institutional Shareholders by % of Total Assets

HolderShares% AssetsValue
Aquilo capital management2.46M3.32%$1.85M
Tang capital management8.22M0.26%$6.66M
Orbimed advisors11.45M0.22%$9.27M
Regeneron pharmaceuticals968.18K0.11%$784.42K
Wealthedge investment advisors300.05K0.09%$243.10K
Ra capital management7.54M0.08%$6.11M
Johnson & johnson364.47K0.06%$295.30K
Carlyle group2.95M0.06%$2.39M
Rangeley capital75.00K0.05%$60.77K
Rbf capital617.32K0.02%$500.15K

Top Buyers

HolderShares% AssetsChange
Renaissance1.83M0.00%675.13K
Norges bank429.55K0.00%429.55K
Two sigma investments, lp854.57K0.00%341.76K
Two sigma advisers, lp780.98K0.00%214.94K
Acadian asset management2.27M0.00%190.89K

Top Sellers

HolderShares% AssetsChange
Balyasny asset management---6.18M
Blackrock1.02M--2.36M
Schonfeld strategic advisors479.11K0.00%-1.40M
Commodore capital lp---1.37M
Blackstone---1.24M

New Positions

HolderShares% AssetsChangeValue
Norges bank429.55K0.00%429.55K$413.23K
Royal bank of canada80.11K-80.11K$65.00K
Rangeley capital75.00K0.05%75.00K$60.77K
Marshall wace, llp51.73K-51.73K$41.90K
Two sigma securities25.27K0.00%25.27K$20.48K

Sold Out

HolderChange
Zurcher kantonalbank (zurich cantonalbank)-2.00
Nelson, van denburg & campbell wealth management group-7.00
Thompson investment management-80.00
Point72 (difc)-95.00
Pnc financial services group-168.00

Institutional Ownership Trends

DateHoldingsChange %SharesChange %OwnershipChange %Increased PositionChange %Decreased PositionChange %
Sep 30, 202510-76.74%7,311,551-84.54%80.30%1-95.00%1-90.91%
Jun 30, 202548-17.24%51,603,072-7.61%561.51%2116.67%14-33.33%
Mar 31, 20256-90.63%23,280,601-59.60%250.64%--100.00%3-86.36%
Dec 31, 202463-57,546,9091.50%631.63%21-8.70%2210.00%
Sep 30, 202463-27.59%56,696,707-11.34%620.95%24-47.83%20-16.67%

Top Mutual Funds Shareholders

HolderShares% HoldingChange
Vanguard US Total Market Shares ETF2.07M2.51%-
Vanguard Total Stock Mkt Idx Inv2.03M2.44%-44.32K
Bridgeway Ultra-Small Company810.30K0.97%-
Vanguard Institutional Extnd Mkt Idx Tr741.58K0.89%-337.92K
Fidelity Extended Market Index329.50K0.40%-2.71K
A4Investments SICAV SIF ACCI IlanaA2EURH325.00K0.39%-
Fidelity Enhanced Small Cap ETF250.56K0.30%410.00
Goldman Sachs Small Cp Val Insghts Instl171.19K0.21%171.19K
BlackRock Extended Equity Market K149.99K0.18%-64.00
Extended Equity Market Fund K145.50K0.18%-2.90K

Recent Insider Transactions

DateNameRoleActivityValue
Oct 08, 2025ORBIMED ADVISORS LLC-Buy$3.50M
Oct 08, 2025ORBIMED ADVISORS LLC-Buy$1.50M
Jun 05, 2024Kauffman Michael-Sell$8.44K
Jan 25, 2024ORBIMED ADVISORS LLC Buy$2.50M
Jan 25, 2024ORBIMED ADVISORS LLC Buy$4.42M

Insider Transactions Trends

DateBuySell
2025 Q42-
2025 Q2--
2025 Q1--
2024 Q3--
2024 Q2-1

ACET Ownership FAQ

Who Owns Adicet Bio?

Adicet Bio shareholders are primarily institutional investors at 8.03%, followed by 1.49% insiders and 90.48% retail investors. The average institutional ownership in Adicet Bio's industry, Biotech Stocks , is 45.24%, which Adicet Bio falls below.

Who owns the most shares of Adicet Bio?

Adicet Bio’s largest shareholders are Orbimed advisors (11.45M shares, 12.57%), Tang capital management (8.22M shares, 9.03%), and Ra capital management (7.54M shares, 8.28%). Together, they hold 29.88% of Adicet Bio’s total shares outstanding.

Does Blackrock own Adicet Bio?

BlackRock is not among the top 10 institutional shareholders of Adicet Bio.

Who is Adicet Bio’s biggest shareholder by percentage of total assets invested?

Aquilo capital management is Adicet Bio’s biggest shareholder by percentage of total assets invested, with 3.32% of its assets in 2.46M Adicet Bio shares, valued at 1.85M$.

Who is the top mutual fund holder of Adicet Bio shares?

Vanguard US Total Market Shares ETF is the top mutual fund holder of Adicet Bio shares, with 2.51% of its total shares outstanding invested in 2.07M Adicet Bio shares.

Try Tickergate Pro Free

Customize Everything. 100% Flexibility. Fast and Easy to Use (No code or Excel Needed)

  • Customize your own personal stocks lists, views and charts

  • Choose from hundreds of fields, up to 15 years of history

  • Conduct deep comparison analysis

  • Discover trending investment themes

  • Find your next best investment

  • Research stocks using tools