13F Insight
DOSSIER · 13F Holders · Q1 2026Cheap mega-capRe-rated
JBIO

JADE BIOSCIENCES INC

121 institutions still hold JADE BIOSCIENCES INC as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 008064206·121 13F holders·last filed Mar 31, 2026
Market cap
—
▲ 2.6%
vs prior quarter
13F value held
$635M
74.0% inst. owned
of float
Holders
121
+24 QoQ
filers reporting
Activity
+34 / −6
+946 added · −748 reduced
this quarter
Concentration
15.67%
FMR LLC #1
top holder share
AI Holders Summary · Q1 2026

121 institutions reported JBIO in Q1 2026. FMR LLC leads at 15.7% of the visible book. +24 net new institutions vs prior quarter — accumulation reading.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
FMR LLC
CIK 0000315066
$100M7.1M0.01%Q1 202602
Fairmount Funds Management LLC
CIK 0001802528
$64M4.6M4.62%Q1 202603
Avidity Partners Management LP
CIK 0001791827
$54M2.8M5.76%Q1 202604
RA CAPITAL MANAGEMENT, L.P.
CIK 0001346824
$52M3.7M0.55%Q1 202605
Bellevue Group AG
CIK 0001674546
$52M3.3M0.98%Q4 202506
VR Adviser, LLC
CIK 0001615982
$50M3.2M2.45%Q4 202507
JANUS HENDERSON GROUP PLC
CIK 0001274173
$44M3.1M0.02%Q1 202608
BlackRock, Inc.
CIK 0002012383
$33M2.3M0.00%Q1 202609
BAKER BROS. ADVISORS LP
CIK 0001263508
$25M1.6M0.15%Q4 202510
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$25M1.8M0.00%Q1 202611
Remedium Capital Partners, LLC
CIK 0002104501
$22M1.6M7.88%Q1 202612
Versant Venture Management, LLC
CIK 0001560009
$21M1.5M15.16%Q1 202613
Samsara BioCapital, LLC
CIK 0001744967
$14M969K1.32%Q1 202614
MARSHALL WACE, LLP
CIK 0001318757
$14M875K0.01%Q4 202515
GREAT POINT PARTNERS LLC
CIK 0001281446
$12M806K4.03%Q4 202516
Aberdeen Group plc
CIK 0001716774
$12M867K0.02%Q1 202617
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$12M823K0.00%Q1 202618
Soleus Capital Management, L.P.
CIK 0001802630
$11M797K0.45%Q1 202619
ACORN CAPITAL ADVISORS, LLC
CIK 0002054410
$11M787K3.14%Q1 202620
STATE STREET CORP
CIK 0000093751
$9M656K0.00%Q1 2026
Page 1 of 7
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