Jade Biosciences, Inc. (JBIO) Holders & Ownership

Jade Biosciences, Inc. (JBIO) ownership: Top institutional holder: FMR LLC ($99.55M). Insider activity: Net Seller (0 buys, 20 sells). SEC EDGAR first-party data.

Top Institutional Holders (13F)

Source: SEC Form 13F
HolderSharesMarket ValueReported
FMR LLC7085423.00$99.55M2026-03-31
Fairmount Funds Management LLC4553494.00$63.98M2026-03-31
RA CAPITAL MANAGEMENT, L.P.3671083.00$51.58M2026-03-31
Bellevue Group AG3501502.00$49.20M2026-03-31
Venrock Adviser, LLC3220364.00$45.25M2026-03-31
JANUS HENDERSON GROUP PLC3105669.00$43.56M2026-03-31
BlackRock, Inc.2313949.00$32.51M2026-03-31
VANGUARD GROUP INC2095767.00$32.34M2025-12-31

Insider Trading Activity (Form 4)

Source: SEC Form 4
InsiderTransactionValueDate
Sellnull2026-06-09
Sellnull2026-06-09
Sellnull2026-06-09
Sellnull2026-06-09
Sellnull2026-06-09
Sellnull2026-02-12
Sellnull2026-02-12
Sellnull2026-02-12

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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.