NASDAQ: JBIO
Jade Biosciences Inc Stock Ownership - Who owns Jade Biosciences?

Insider buying vs selling

Have Jade Biosciences Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Fairmount Funds Management LLCDirector2025-10-061,333,126$9.14
$12.18MBuy
Tom FrohlichChief Executive Officer2025-05-166,000$7.40
$44.40kBuy

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Net Insider Buy/Sell (L12M) Ownership

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JBIO Shareholders

What type of owners hold Jade Biosciences Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Fmr LLC13.98%6,894,488$95.97MInstitution
Fairmount Funds Management LLC9.23%4,553,494$63.38MInsider
Fairmount Funds Management LLC9.23%4,553,494$63.38MInstitution
Sofinnova Venture Partners X LP7.62%3,758,686$52.32MInsider
Maha Katabi7.62%3,758,686$52.32MInsider
Ra Capital Management LP7.44%3,671,083$51.10MInstitution
Bellevue Group Ag6.77%3,341,103$46.51MInstitution
Vr Adviser LLC6.53%3,220,364$44.83MInstitution
Blackrock Inc5.82%2,870,313$39.95MInstitution
Atlas Venture Fund XII LP4.72%2,327,909$32.40MInsider

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JBIO vs Biotech Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
JBIO71.10%28.90%Net Buying
ANRO78.47%21.53%Net SellingNet Selling
DBVT9.57%19.90%Net SellingNet Selling
ANNX82.99%17.01%Net BuyingNet Selling
PROK14.28%39.20%Net Buying

Jade Biosciences Stock Ownership FAQ

Who owns Jade Biosciences?

Jade Biosciences (NASDAQ: JBIO) is owned by 95.46% institutional shareholders, 38.79% Jade Biosciences insiders, and 0.00% retail investors. Fairmount Funds Management LLC is the largest individual Jade Biosciences shareholder, owning 4.55M shares representing 9.23% of the company. Fairmount Funds Management LLC's Jade Biosciences shares are currently valued at $63.38M.

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