Massar Capital Management, LP

Position in CPRX — Catalyst Pharmaceuticals, Inc.

CIK 2037238 STAMFORD, CT

Position in CPRX

as of Mar 31, 2026 · filed May 15, 2026 Compact

Position Value

$380,858

-$47,197 QoQ

Shares Held

15,382

-16.1% QoQ

Ownership

0.013%

of shares outstanding

% of Portfolio

0.09%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Dec 2025

2 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Healthcare · as of Mar 31, 2026

Massar Capital Management, LP holds $7,816,276 across 4 Biotechnology names. CPRX ranks #2 (4.9% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	QURE	uniQure N.V.	426,029	$6,965,574
2	CPRX	Catalyst Pharmaceuticals, Inc. This page	15,382	$380,858
3	TGTX	Tg Therapeutics, Inc.	10,029	$333,163
4	ADMA	Adma Biologics, Inc.	15,170	$136,681

2 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$380,858	15,382	-16.1%	Shares	Sole	2026-05-15
2025-12-31	$428,055	18,340	—	Shares	Sole	2026-02-17
No filing history on record for this holder in this stock.