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Catalyst Pharmaceutical

380 hedge funds and large institutions have $2.59B invested in Catalyst Pharmaceutical in 2026 Q1 according to their latest regulatory filings, with 57 funds opening new positions, 146 increasing their positions, 120 reducing their positions, and 40 closing their positions.

New
Increased
Maintained
Reduced
Closed

43% more first-time investments, than exits

New positions opened: 57 | Existing positions closed: 40

33% more funds holding in top 10

Funds holding in top 10: 34 (+1)

22% more repeat investments, than reductions

Existing positions increased: 146 | Existing positions reduced: 120

7% more capital invested

Capital invested by funds: $2.42B → $2.59B (+$164M)

2% more funds holding

Funds holding: 373380 (+7)

1.07% more ownership

Funds ownership: 84.57%85.63% (+1.1%)

31% less call options, than puts

Call options by funds: $3.38M | Put options by funds: $4.88M

Holders
380
Holders Change
+7
Holders Change %
+1.88%
% of All Funds
4.68%
Holding in Top 10
4
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+33.33%
% of All Funds
0.05%
New
57
Increased
146
Reduced
120
Closed
40
Calls
$3.38M
Puts
$4.88M
Net Calls
-$1.5M
Net Calls Change
-$1.33M
Name Holding Trade Value Shares
Change
Change in
Stake
OAM
26
Oberweis Asset Management
Illinois
$19.3M +$4.61M +193,600 +33%
T. Rowe Price Associates
27
T. Rowe Price Associates
Maryland
$19.2M +$588K +24,665 +3%
Millennium Management
28
Millennium Management
New York
$19M -$5.4M -226,656 -23%
Invesco
29
Invesco
Georgia
$18.6M -$12.9M -540,639 -42%
NAMI
30
Nomura Asset Management International
Pennsylvania
$18.5M -$726K -30,487 -4%
SFM
31
Systematic Financial Management
New Jersey
$18.5M +$578K +24,273 +3%
Federated Hermes
32
Federated Hermes
Pennsylvania
$18.3M +$1.82M +76,543 +12%
Bank of New York Mellon
33
Bank of New York Mellon
New York
$16.9M -$438K -18,372 -3%
Principal Financial Group
34
Principal Financial Group
Iowa
$16.7M -$183K -7,697 -1%
Swedbank
35
Swedbank
Sweden
$15.3M
LSV Asset Management
36
LSV Asset Management
Illinois
$15.1M +$1.66M +69,600 +13%
VOYA Investment Management
37
VOYA Investment Management
Georgia
$14.6M +$534K +22,435 +4%
Citadel Advisors
38
Citadel Advisors
Florida
$14.4M +$6.49M +272,622 +88%
CCMG
39
Clark Capital Management Group
Pennsylvania
$14.1M +$13.5M +568,676 New
GT
40
Glenmede Trust
Pennsylvania
$14M -$1.26M -52,794 -9%
IMC Chicago
41
IMC Chicago
Illinois
$14M +$13.4M +563,670 New
Jane Street
42
Jane Street
New York
$13.5M +$6.65M +278,974 +105%
Public Sector Pension Investment Board (PSP Investments)
43
Public Sector Pension Investment Board (PSP Investments)
Quebec, Canada
$13M +$796K +33,410 +7%
William Blair Investment Management
44
William Blair Investment Management
Illinois
$11.9M +$11.4M +479,041 New
GC
45
Globeflex Capital
California
$11.2M +$3.77M +158,372 +54%
JP Morgan Chase
46
JP Morgan Chase
New York
$11.1M +$2.31M +96,981 +26%
RG
47
Renaissance Group
Kentucky
$11M +$2.35M +98,847 +29%
Point72 Asset Management
48
Point72 Asset Management
Connecticut
$10.5M +$10.1M +425,865 New
GCM
49
Gables Capital Management
Florida
$10.5M -$953 -40 -0%
N
50
Nuveen
North Carolina
$10.4M +$23.5K +987 +0.2%