13F Insight
DOSSIER · 13F Holders · Q1 2026High-convictionMulti-bagger
KZR

KEZAR LIFE SCIENCES INC

47 institutions still hold KEZAR LIFE SCIENCES INC as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 49372L209·47 13F holders·last filed Mar 31, 2026
Market cap
—
▲ 4.6%
vs prior quarter
13F value held
$31M
71.0% inst. owned
of float
Holders
47
+27 QoQ
filers reporting
Activity
+87 / −59
+993 added · −943 reduced
this quarter
Concentration
17.04%
BML Capital Management, LLC #1
top holder share
AI Holders Summary · Q1 2026

47 institutions reported KZR in Q1 2026. BML Capital Management, LLC leads at 17.0% of the visible book. +27 net new institutions vs prior quarter — accumulation reading.

Top holders

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

#HolderValueShares% port.Quarter
01
BML Capital Management, LLC
CIK 0001616824
$5M721K3.43%Q1 202602
SUVRETTA CAPITAL MANAGEMENT, LLC
CIK 0001569064
$5M717K0.14%Q1 202603
TANG CAPITAL MANAGEMENT LLC
CIK 0001232621
$5M664K0.25%Q1 202604
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$2M291K0.00%Q1 202605
Rangeley Capital, LLC
CIK 0001517796
$2M243K1.75%Q1 202606
Affinity Asset Advisors, LLC
CIK 0001773195
$2M229K0.09%Q1 202607
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 0001446194· Market maker
$1M202K0.00%Q1 202608
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
$1M188K0.00%Q1 202609
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
$1M142K0.00%Q1 202610
Peapod Lane Capital LLC
CIK 0002050979
$924,520127K0.76%Q1 202611
Ikarian Capital, LLC
CIK 0001778253
$758,405102K0.06%Q1 202612
BlackRock, Inc.
CIK 0002012383
$742,475100K0.00%Q1 202613
ADAR1 Capital Management, LLC
CIK 0001940272
$607,94382K0.04%Q1 202614
Groupe la Francaise
CIK 0002056088
$596,56880K0.01%Q1 202615
Aldebaran Capital, LLC
CIK 0001448430
$596,08680K0.46%Q1 202616
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$452,64361K0.00%Q1 202617
EQUITEC PROPRIETARY MARKETS, LLC
CIK 0001143261
$426,65058K0.23%Q1 202618
CREDIT INDUSTRIEL ET COMMERCIAL
CIK 0001274419
$397,71254K0.03%Q1 202619
TORNO CAPITAL, LLC
CIK 0001974312
$359,71448K0.05%Q1 202620
Qiming U.S. Ventures Management, LLC
CIK 0001909617
$323,19783K0.58%Q3 2025
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