David M. Knott Jr’s Catalyst Pharmaceutical CPRX Stock Holding History

David M. Knott Jr’s Portfolio CPRX Stock Details CPRX Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$2.97M	Sell	120,000 -69,000	-37%	-$1.64M	1.77%	18
2025 Q4	$4.41M	Hold	189,000	–	–	2.04%	12
2025 Q3	$3.72M	Buy	189,000 +13,000	+7%	+$267K	1.5%	16
2025 Q2	$3.82M	Sell	176,000 -36,000	-17%	-$850K	1.73%	11
2025 Q1	$5.14M	Buy	212,000 +2,000	+1%	+$45K	2.43%	10
2024 Q4	$4.38M	Sell	210,000 -2,000	-0.9%	-$43K	1.58%	11
2024 Q3	$4.21M	Hold	212,000	–	–	1.48%	18
2024 Q2	$3.28M	Buy	212,000 +24,148	+13%	+$376K	1.31%	15
2024 Q1	$2.99M	Buy	187,852 +62,402	+50%	+$940K	1.06%	19
2023 Q4	$2.11M	Buy	+125,450	New	+$1.71M	0.81%	22

Other funds holding CPRX

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return

Deerfield Management New York $8.48B AUM 99.04% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

David M. Knott Jr's CPRX Position: Q1 2026 in Review

David M. Knott Jr reduced its Catalyst Pharmaceutical (CPRX) stake by 37% in Q1 2026, selling an estimated $1.64M and leaving 120,000 shares worth $2.97M. The position accounts for 1.77% of the portfolio, ranked #18.

David M. Knott Jr first reported a position in CPRX in Q4 2023 and has held it in 10 quarters since. The position peaked at $5.14M in Q1 2025. 380 funds tracked by Wall St. Rank hold CPRX as of Q1 2026.

David M. Knott Jr held 120,000 shares of Catalyst Pharmaceutical worth $2.97M as of Q1 2026.
David M. Knott Jr sold 69,000 Catalyst Pharmaceutical shares in Q1 2026, an estimated $1.64M.
Catalyst Pharmaceutical made up 1.77% of David M. Knott Jr's portfolio in Q1 2026, its #18 holding.
David M. Knott Jr first reported a position in Catalyst Pharmaceutical in Q4 2023 and has held it in 10 quarters since.
David M. Knott Jr's Catalyst Pharmaceutical position peaked at $5.14M in Q1 2025.
380 funds tracked by Wall St. Rank held Catalyst Pharmaceutical as of Q1 2026.

Based on David M. Knott Jr's 13F filing for Q1 2026, filed 14 May 2026.