Catalyst Pharmaceutical

CPRX • NASDAQ

Catalyst Pharmaceutical is a biotechnology company in the healthcare sector on NASDAQ, led by Richard J. Daly, with a market cap of $2.9B. As of Q3 2025, 84% of shares are held by 355 institutional investors, with BlackRock, Inc. as the largest holder at 14.88%.

CEORichard J. Daly

Market Cap$2.9B

Biotechnology

Healthcare

Employees167.0

Websitecatalystpharma.com

Country

United States of America

Overview

Overview of institutional ownership in CPRX as of Q3 2025 with a market cap of $2.4B

All Institutions

Institutions: 355
Value Held: $2.0B
Shares Held: 103.3M
Avg Position: $5.7M
Median Position: $664.9K

Hedge Funds

Hedge Funds: 41
Value Held: $303.1M
Shares Held: 15.4M
Avg Position: $7.4M
Median Position: $2.1M

Ownership Breakdown

Institutional (non-HF)

71.81%

$1.7B

Hedge Funds

12.57%

$303.1M

Retail & Other

15.62%

$376.6M

Based on market cap of $2.4B as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.

Biggest Investors

Institutions with the largest positions in CPRX as of Q3 2025

Institution	Key People	Position Value	Ownership	Owned Since	Total AUM (Long)
B BlackRock, Inc. Institution	-	$358.9M 0.01% of portfolio	14.88% 18.2M shares	Q1 2017 Held for 8y 8m	$5.67T
VANGUARD GROUP INC Institution	Salim Ramji CEO	$171.7M 0.00% of portfolio	7.12% 8.7M shares	≤ Q2 2013 Held for 12y 5m+	$6.69T
STATE STREET CORP Institution	Ronald P. O'Hanley CEO	$126.2M 0.00% of portfolio	5.23% 6.4M shares	Q4 2013 Held for 11y 11m	$2.88T
DEERFIELD MANAGEMENT CO /NY Hedge Fund•Long/Short	James Edward Flynn President	$98.0M 1.62% of portfolio	4.06% 5.0M shares	Q3 2022 Held for 3y 2m	$6.0B
RENAISSANCE TECHNOLOGIES LLC Hedge Fund•Quant	Peter Fitzhugh Brown CEO	$69.8M 0.09% of portfolio	2.90% 3.5M shares	Q3 2021 Held for 4y 2m	$75.8B
Fundsmith LLP Long Only Manager	Terence Charles Smith CEO	$66.3M 0.33% of portfolio	2.75% 3.4M shares	Q1 2025 Held for 8 months	$19.8B
GEODE CAPITAL MANAGEMENT LLC ETF Provider	David Kenneth Lane CEO	$56.9M 0.00% of portfolio	2.36% 2.9M shares	≤ Q2 2013 Held for 12y 5m+	$1.57T
A AMERICAN CENTURY COMPANIES INC Institution	-	$49.8M 0.03% of portfolio	2.07% 2.5M shares	Q2 2020 Held for 5y 5m	$195.93B
DIMENSIONAL FUND ADVISORS LP Long Only Manager	David Paul Butler CEO	$48.4M 0.01% of portfolio	2.01% 2.5M shares	Q3 2018 Held for 7y 2m	$466.32B
BANK OF AMERICA CORP /DE/ Institution	Brian T. Moynihan CEO	$45.1M 0.00% of portfolio	1.87% 2.3M shares	≤ Q2 2013 Held for 12y 5m+	$1.33T

Net Capital Flow

Institutional buying and selling activity for CPRX in Q3 2025

Traded: +$45.8M
Buyers: 182
Sellers: 171
Total Bought: +$252.1M
Total Sold: −$206.3M
Avg Position: $5.1M

Biggest Buyers

Institution	Net Bought	Current Position
DEERFIELD MANAGEMENT CO /NY Hedge Fund•Long/Short	+$41.3M +2.1M shares	$98.0M 5.0M shares
STATE STREET CORP Institution	+$18.3M +927.0K shares	$126.2M 6.4M shares
A AMERICAN CENTURY COMPANIES INC Institution	+$15.2M +770.2K shares	$49.8M 2.5M shares
MILLENNIUM MANAGEMENT LLC Hedge Fund•Multi-Strategy	+$14.8M +749.1K shares	$23.2M 1.2M shares
Fundsmith LLP Long Only Manager	+$12.9M +654.7K shares	$66.3M 3.4M shares
S Swedbank AB Institution	+$12.1M +616.1K shares	$12.1M 616.1K shares
Glenmede Investment Management, LP Long Only Manager	+$11.9M +603.1K shares	$13.4M 680.2K shares
DIMENSIONAL FUND ADVISORS LP Long Only Manager	+$10.8M +550.6K shares	$48.4M 2.5M shares
SYSTEMATIC FINANCIAL MANAGEMENT LP Long Only Manager	+$9.7M +491.0K shares	$13.5M 685.7K shares
R ROYCE & ASSOCIATES LLC Institution	+$8.9M +452.1K shares	$40.1M 2.0M shares

Biggest Sellers

Institution	Net Sold	Current Position
GOLDMAN SACHS GROUP INC Institution	−$27.7M −1.4M shares	$19.8M 1.0M shares
MORGAN STANLEY RIA/Wealth	−$26.4M −1.3M shares	$36.3M 1.8M shares
B BlackRock, Inc. Institution	−$13.5M −684.4K shares	$358.9M 18.2M shares
ORBIMED ADVISORS LLC Hedge Fund•Sector	−$9.0M −416.9K shares	Sold Off 0 shares
N Nuveen, LLC Institution	−$8.7M −444.0K shares	$10.7M 542.2K shares
Clark Capital Management Group, Inc. RIA/Wealth	−$8.5M −392.4K shares	Sold Off 0 shares
UBS GLOBAL ASSET MANAGEMENT AMERICAS INC Long Only Manager	−$6.1M −308.4K shares	$5.5M 277.3K shares
ALGERT COLDIRON INVESTORS LLC Hedge Fund•Quant	−$5.2M −266.2K shares	$2.2M 112.2K shares
UBS Group AG Institution	−$4.9M −251.2K shares	$11.7M 593.6K shares
A Allianz Asset Management AG Institution	−$4.7M −239.9K shares	$15.7M 797.9K shares

Entry and Exit Activity

Institutions that initiated new positions or completely exited CPRX in Q3 2025

New Positions: 32
New Value: $32.9M
Exited Positions: 44
Exited Value: $39.7M

New Positions

Institution	Position Value
S Swedbank AB Institution	$12.1M 616.1K shares
Eversept Partners, LLC Hedge Fund•Long/Short	$6.9M 350.8K shares
A Alyeska Investment Group, L.P. Hedge Fund•Multi-Strategy	$5.4M 273.3K shares
R Ruffer LLP Long Only Manager	$2.1M 108.6K shares
F Freestone Grove Partners LP Hedge Fund•Multi-Strategy	$1.2M 60.7K shares
DIADEMA PARTNERS LP Hedge Fund•Long/Short	$985.0K 50.0K shares
KORNITZER CAPITAL MANAGEMENT INC /KS Long Only Manager	$788.0K 40.0K shares
JENNISON ASSOCIATES LLC Long Only Manager	$780.6K 39.6K shares
Round Rock Advisors, LLC RIA/Wealth	$496.9K 25.1K shares
O OMERS ADMINISTRATION Corp Institution	$435.4K 22.1K shares

Exited Positions

Institution	Previous Position
ORBIMED ADVISORS LLC Hedge Fund•Sector	$9.0M 416.9K shares
Clark Capital Management Group, Inc. RIA/Wealth	$8.5M 392.4K shares
Integral Health Asset Management, LLC Hedge Fund•Sector	$3.3M 150.0K shares
Connor, Clark & Lunn Investment Management Ltd. Long Only Manager	$2.1M 95.0K shares
TUDOR INVESTMENT CORP ET AL Hedge Fund•Multi-Strategy	$1.7M 76.1K shares
T TEXAS PERMANENT SCHOOL FUND Institution	$1.5M 67.9K shares
Redhawk Wealth Advisors, Inc. RIA/Wealth	$1.5M 67.8K shares
H Horizon Investment Services, LLC RIA/Wealth	$1.1M 51.6K shares
CASTLEARK MANAGEMENT LLC Long Only Manager	$1.1M 48.5K shares
Magnetar Financial LLC Hedge Fund•Multi-Strategy	$1.0M 47.0K shares

Options Activity

Institutions with the largest Call and Put options positions in CPRX as of Q3 2025

Call Positions: 3
Call Value: $3.2M
Put Positions: 4
Put Value: $8.7M

Call Positions

Institution	Position Value
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$2.1M 1.1K contracts
MILLENNIUM MANAGEMENT LLC Hedge Fund•Multi-Strategy	$788.0K 400.0 contracts
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$352.6K 179.0 contracts

Put Positions

Institution	Position Value
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$5.2M 2.6K contracts
MILLENNIUM MANAGEMENT LLC Hedge Fund•Multi-Strategy	$2.9M 1.5K contracts
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$344.8K 175.0 contracts
J JANE STREET GROUP, LLC Institution	$242.3K 123.0 contracts

Most Committed Institutions

Institutions with CPRX as the highest % of their portfolio as of Q3 2025

Institution	Key People	Portfolio Weight	Ownership	Owned Since	Total AUM (Long)
GABLES CAPITAL MANAGEMENT INC. Hedge Fund•Long/Short	Judith Cohen Neiwirth President	3.68% $8.6M	0.36% 435.4K shares	Q1 2018 Held for 7y 8m	$233.4M
JW Asset Management, LLC Hedge Fund•Sector	Jason Garrett Wild Managing Partner	3.67% $7.7M	0.32% 388.4K shares	Q4 2022 Held for 2y 11m	$208.4M
TANAKA CAPITAL MANAGEMENT INC RIA/Wealth	Graham Yoshio Tanaka President	3.28% $2.3M	0.09% 114.4K shares	Q3 2025 Held for 2 months	$68.8M
DEERFIELD MANAGEMENT CO /NY Hedge Fund•Long/Short	James Edward Flynn President	1.62% $98.0M	4.06% 5.0M shares	Q3 2022 Held for 3y 2m	$6.0B
K Knott David M Jr Institution	-	1.56% $3.7M	0.15% 189.0K shares	Q4 2023 Held for 1y 11m	$238.7M
Q QSV Equity Investors LLC Institution	-	1.08% $1.1M	0.04% 53.5K shares	Q2 2024 Held for 1y 5m	$97.9M
Bridge City Capital, LLC Long Only Manager	Alexander Jackson Woodward President	0.96% $3.6M	0.15% 182.3K shares	Q1 2025 Held for 8 months	$374.5M
GLOBEFLEX CAPITAL L P Long Only Manager	Marina Loretta Marrelli CEO	0.89% $5.7M	0.24% 290.7K shares	Q4 2020 Held for 4y 11m	$644.8M
DIADEMA PARTNERS LP Hedge Fund•Long/Short	Timothy Beau Bassett CIO	0.69% $985.0K	0.04% 50.0K shares	Q3 2025 Held for 2 months	$143.3M
H HUSSMAN STRATEGIC ADVISORS, INC. Institution	John Peter Hussman President	0.63% $2.9M	0.12% 147.0K shares	Q2 2021 Held for 4y 5m	$458.6M

Hedge Fund Spotlight

Discover hedge funds investing in CPRX

Bayforest Capital Ltd

Hedge Fund • Quant

Portfolio ManagerTheodoros Tsagaris

Portfolio Value: $209.9M
Positions: 718
Last Reported: Q3 2025

Sector Allocation

Position in Catalyst Pharmaceutical

Market Value: $238.2K
Shares Held: 12.1K
Portfolio Weight: 0.11%
Owned Since: 2025-Q2

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