Catalyst Pharmaceuticals, Inc. (CPRX) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

122,391,010Shares Outstanding

2,137,984Shares held by institutions

$50,499,182Value of institutional holdings

84.48%Institutional ownership %

2.55%Shares Changed QoQ

353No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Recent 13F filings as of September 2025 show that 353 institutional investors hold a position in Catalyst Pharmaceuticals, Inc. (NASDAQ:CPRX).

Institutional ownership in Catalyst Pharmaceuticals edged up to 84.5% in September 2025, compared to 82.8% in June 2025.
On a quarter-over-quarter basis, institutional holdings shifted by 2.55%, with a year-over-year an increase of 12.78% in the count of filers.
Of these 353 institutional investors, 163 increased their holdings in Catalyst Pharmaceuticals, while 143 of them reduced positions, and 47 investors maintained their exposure.
This class of investors increased its holdings in Catalyst Pharmaceuticals to 103.40Mn shares for the 13F-cycle ending September 2025, up by 2.57Mn shares quarter on quarter, and up 8.16Mn shares year over year.
With 18.22Mn shares, BlackRock, Inc. commands the largest institutional position in Catalyst Pharmaceuticals as of September 30, 2025, equating to 14.88% of the company.
Among the most significant buyers of Catalyst Pharmaceuticals during September 2025 were DEERFIELD MANAGEMENT COMPANY, L.P. (2.10Mn), MILLENNIUM MANAGEMENT LLC (935.55K), STATE STREET CORP (927.00K), AMERICAN CENTURY COMPANIES INC (770.20K), Fundsmith LLP (654.72K).
Leading sellers of Catalyst Pharmaceuticals stock in September 2025 included GOLDMAN SACHS GROUP INC (1.40Mn), MORGAN STANLEY (1.34Mn), BlackRock, Inc. (684.38K), Nuveen, LLC (444.04K), UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC (308.37K).
The top 10 institutional holders of Catalyst Pharmaceuticals for the quarter ending September 2025 included BlackRock, Inc. (18.22Mn), VANGUARD GROUP INC (8.71Mn), STATE STREET CORP (6.41Mn), DEERFIELD MANAGEMENT COMPANY, L.P. (4.97Mn), RENAISSANCE TECHNOLOGIES LLC (3.54Mn), Fundsmith LLP (3.36Mn), GEODE CAPITAL MANAGEMENT, LLC (2.89Mn), AMERICAN CENTURY COMPANIES INC (2.53Mn), DIMENSIONAL FUND ADVISORS LP (2.46Mn), BANK OF AMERICA CORP /DE/ (2.29Mn).

353 Institutional Holders

2,137,984 Total Shares Held

Rows:

Download Data

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
BlackRock, Inc.	30 Sep, 2025	18,216,060	-684,378	-3.62%	$358,856,382.00
VANGUARD GROUP INC	30 Sep, 2025	8,713,520	-52,315	-0.60%	$171,656,344.00
STATE STREET CORP	30 Sep, 2025	6,405,387	926,999	16.92%	$126,186,124.00
DEERFIELD MANAGEMENT COMPANY, L.P.	30 Sep, 2025	4,974,767	2,095,291	72.77%	$98,002,910.00
RENAISSANCE TECHNOLOGIES LLC	30 Sep, 2025	3,544,830	293,314	9.02%	$69,833,151.00
Fundsmith LLP	30 Sep, 2025	3,363,807	654,721	24.17%	$66,266,998.00
GEODE CAPITAL MANAGEMENT, LLC	30 Sep, 2025	2,890,320	23,637	0.82%	$56,946,376.00
AMERICAN CENTURY COMPANIES INC	30 Sep, 2025	2,528,186	770,198	43.81%	$49,805,264.00
DIMENSIONAL FUND ADVISORS LP	30 Sep, 2025	2,458,169	550,648	28.87%	$48,424,317.00
BANK OF AMERICA CORP /DE/	30 Sep, 2025	2,291,414	-74,261	-3.14%	$45,140,856.00
ROYCE & ASSOCIATES LP	30 Sep, 2025	2,034,965	452,103	28.56%	$40,088,810.00
MORGAN STANLEY	30 Sep, 2025	1,843,624	-1,339,899	-42.09%	$36,319,427.00
MILLENNIUM MANAGEMENT LLC	30 Sep, 2025	1,365,682	935,552	217.50%	$26,903,935.00
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	30 Sep, 2025	1,331,990	-104,122	-7.25%	$26,240,203.00
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	30 Sep, 2025	1,304,774	81,151	6.63%	$25,704,048.00
Boston Partners	30 Sep, 2025	1,291,059	8,337	0.65%	$25,576,819.00
NORTHERN TRUST CORP	30 Sep, 2025	1,263,888	-11,202	-0.88%	$24,898,594.00
Invesco Ltd.	30 Sep, 2025	1,233,257	19,557	1.61%	$24,295,163.00
KENNEDY CAPITAL MANAGEMENT LLC	30 Sep, 2025	1,060,207	50,746	5.03%	$20,886,078.00
GOLDMAN SACHS GROUP INC	30 Sep, 2025	1,007,235	-1,404,425	-58.23%	$19,842,530.00

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Catalyst Pharmaceuticals, Inc. (CPRX) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

353 Institutional Holders

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