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Who owns JBIOWhat JBIO owns — n/a

Who owns Jade Biosciences, Inc.?

Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.

Institutional ownership of JBIO from SEC Form 13F filings across 154 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.

As of the 2026-06-30 reporting period, 154 institutions disclosed 72.9M shares of Jade Biosciences, Inc. worth $1.62B — about 119.4% of shares outstanding; the largest disclosed holder is FMR LLC. Source: SEC Form 13F filings, parsed by EvidInvest.

154

13F holders

$1.62B

value, 2026 filers

119.4%

of shares outstanding (72.9M sh)

52

new positions (2026 filers)

Top institutional holders

ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of JBIO's shares outstanding

#ManagerSharesValue% of fund% of co.Δ shares QoQ
1FMR LLC9.1M$202.8M0.0%14.9%+28.8%
2Jupiter Topco LLCNEW6.3M$139.4M0.1%10.3%new
3Fairmount Funds Management LLC4.6M$101.2M6.7%7.5%0.0%
4RA CAPITAL MANAGEMENT, L.P.3.7M$81.6M0.7%6%0.0%
5Venrock Adviser, LLC3.2M$71.6M2.2%5.3%0.0%
6Bellevue Group AG3.1M$67.9M1.4%5%-12.7%
7Paradigm Biocapital Advisors LPNEW2.9M$63.5M1.2%4.7%new
8BlackRock, Inc.2.8M$62.2M0.0%4.6%+21.1%
9FRANKLIN RESOURCES INCNEW2.8M$62.0M0.0%4.6%new
10STATE STREET CORP2.3M$51.9M0.0%3.8%+256.2%
11VANGUARD CAPITAL MANAGEMENT LLC2.2M$49.9M0.0%3.7%+24.9%
12ADAGE CAPITAL PARTNERS GP, L.L.C.NEW1.9M$42.5M0.1%3.1%new
13Polar Capital Holdings PlcNEW1.8M$41.0M0.1%3%new
14Avidity Partners Management LP1.7M$37.8M6.1%2.8%+21.4%
15Remedium Capital Partners, LLC1.6M$35.1M7.8%2.6%0.0%
16Soleus Capital Management, L.P.1.6M$34.5M1.2%2.5%+94.6%
17JPMORGAN CHASE & CO1.5M$32.6M0.0%2.4%+9198.9%
18BAKER BROS. ADVISORS LP1.2M$27.3M0.1%2%-25.0%
19Logos Global Management LP1.1M$25.0M1.1%1.8%+181.3%
20Versant Venture Management, LLC991,783$22.0M13.6%1.6%-35.0%
21ACORN CAPITAL ADVISORS, LLC986,760$21.9M6.0%1.6%+25.4%
22GEODE CAPITAL MANAGEMENT, LLC985,178$21.9M0.0%1.6%+19.8%
23CITADEL ADVISORS LLC929,407$20.7M0.0%1.5%+577.3%
24Foresite Capital Management VI LLC886,667$19.7M3.1%1.5%+177.1%
25Balyasny Asset Management L.P.878,726$19.5M0.0%1.4%+118.3%

Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.

EvidInvest is an independent research and information tool. Figures are calculated from public SEC filings and third-party market data and are provided for informational and educational purposes only. EvidInvest does not provide investment advice, brokerage, or financial services, and is not affiliated with any company it covers. Verify all figures against primary sources before making any decision.