Skip to main content

JBIO

Jade Biosciences, Inc.

Company with tickers: JBIO

CIK
1798749
CUSIP
008064206
Shares Outstanding
60,859,875
13F Activity (30d)
91 filings 89 filers

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 122
Total Value: $701,484,985
Total Shares: 49,927,762
Showing 1–100 of 125 holdings by value · page 1 of 2

Institutional Ownership Trend

5 quarters

Holder Concentration

Across 122 13F filers · Δ vs Dec 31, 2025
Top Holder
14.2%
Jun 2025 → Mar 2026 · range 14.2% – 15.4%
−0.4 pts
Top 5
44.1%
Jun 2025 → Mar 2026 · range 44.1% – 53.9%
−1.8 pts
Top 10
65.0%
Jun 2025 → Mar 2026 · range 65.0% – 78.9%
−1.5 pts
HHI
574
Jun 2025 → Mar 2026 · range 574 – 800
Broadly held−33

Quarterly Activity

vs Dec 31, 2025
New
28
Increased
39
Decreased
34
Sold Out
13
Unchanged
21
Holder count: +15
Institutional value: -3.6%
Shares held: +5.8%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Showing 100 of 125
Export CSV
Holder Value (USD) % of 13F Shares Open