13F Insight
DOSSIER · 13F Holders · Q1 2026Healthcare · Pharmaceutical PreparationsMega-capCrowded
CPRX

CATALYST PHARMACEUTICALS INC

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

CUSIP 14888U101·Pharmaceutical Preparations·401 13F holders·last filed Mar 31, 2026
Market cap
—
▲ 2.6%
vs prior quarter
13F value held
$1.7B
73.0% inst. owned
of float
Holders
401
+63 QoQ
filers reporting
Activity
+91 / −48
+817 added · −903 reduced
this quarter
Concentration
27.16%
BlackRock, Inc. #1
top holder share
AI Holders Summary · Q1 2026

401 institutions reported CPRX in Q1 2026. BlackRock, Inc. leads at 27.2% of the visible book. +63 net new institutions vs prior quarter — accumulation reading.

Top holders

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

#HolderValueShares% port.Quarter
01
BlackRock, Inc.
CIK 0002012383
$465M18.8M0.01%Q1 202602
STATE STREET CORP
CIK 0000093751
$170M6.9M0.01%Q1 202603
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$127M5.1M0.00%Q1 202604
DEERFIELD MANAGEMENT COMPANY, L.P.
CIK 0001009258
$115M4.9M1.46%Q4 202505
AMERICAN CENTURY COMPANIES INC
CIK 0000748054
$102M4.1M0.05%Q1 202606
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$85M3.4M0.02%Q1 202607
BANK OF AMERICA CORP /DE/
CIK 0000070858
$75M3.0M0.01%Q1 202608
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$74M3.0M0.00%Q1 202609
MORGAN STANLEY
CIK 0000895421
$67M2.7M0.00%Q1 202610
Vanguard Portfolio Management
CIK 0002100121
$61M2.5M0.00%Q1 202611
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
$58M2.3M0.09%Q1 202612
ROYCE & ASSOCIATES LP
CIK 0000906304
$52M2.1M0.51%Q1 202613
JANUS HENDERSON GROUP PLC
CIK 0001274173
$50M2.0M0.02%Q1 202614
Boston Partners
CIK 0001386060
$42M1.7M0.04%Q1 202615
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
CIK 0000884546· Index
$35M1.4M0.01%Q1 202616
NORTHERN TRUST CORP
CIK 0000073124· Index
$31M1.2M0.00%Q1 202617
KENNEDY CAPITAL MANAGEMENT LLC
CIK 0000884589
$30M1.2M0.63%Q1 202618
GOLDMAN SACHS GROUP INC
CIK 0000886982
$26M1.0M0.00%Q1 202619
UBS Group AG
CIK 0001610520
$24M986K0.00%Q1 202620
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 0001446194· Market maker
$24M962K0.00%Q1 2026
Page 1 of 21
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