Two Sigma Securities’s Catalyst Pharmaceutical CPRX Stock Holding History

Two Sigma Securities’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	$304K	Buy	+12,277	New	+$292K	0.04%	767
2024 Q2	–	Sell	-12,107	Closed	-$193K	–	3078
2024 Q1	$193K	Buy	+12,107	New	+$182K	﹤0.01%	2356
2021 Q4	–	Sell	-25,664	Closed	-$136K	–	1611
2021 Q3	$136K	Buy	+25,664	New	+$140K	﹤0.01%	1274
2020 Q4	–	Sell	-26,496	Closed	-$79K	–	1708
2020 Q3	$79K	Buy	+26,496	New	+$104K	﹤0.01%	1195
2019 Q3	–	Sell	-10,336	Closed	-$40K	–	2103
2019 Q2	$40K	Sell	10,336 -14,309	-58%	-$61.8K	﹤0.01%	1905
2019 Q1	$126K	Buy	+24,645	New	+$72.4K	﹤0.01%	1542
2018 Q1	–	Sell	-26,658	Closed	-$104K	–	2695
2017 Q4	$104K	Buy	26,658 +15,178	+132%	+$50.1K	﹤0.01%	1453
2017 Q3	$29K	Buy	+11,480	New	+$31.5K	﹤0.01%	791
2017 Q2	–	Sell	-12,863	Closed	-$25K	–	905
2017 Q1	$25K	Buy	12,863 +1,260	+11%	+$1.6K	﹤0.01%	838
2016 Q4	$12K	Buy	+11,603	New	+$13.3K	﹤0.01%	668

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

Two Sigma Securities's CPRX Position: Q1 2026 in Review

Two Sigma Securities opened a new position in Catalyst Pharmaceutical (CPRX) in Q1 2026: 12,277 shares worth $304K. The stake represents 0.04% of the portfolio and ranks #767 among its holdings. This is a return to the name: Two Sigma Securities previously reported a position in CPRX as recently as Q1 2024.

Two Sigma Securities first reported a position in CPRX in Q4 2016 and has held it in 10 quarters since. 380 funds tracked by Wall St. Rank hold CPRX as of Q1 2026.

Two Sigma Securities held 12,277 shares of Catalyst Pharmaceutical worth $304K as of Q1 2026.
Catalyst Pharmaceutical was a new Two Sigma Securities position in Q1 2026.
Catalyst Pharmaceutical made up 0.04% of Two Sigma Securities's portfolio in Q1 2026, its #767 holding.
Two Sigma Securities first reported a position in Catalyst Pharmaceutical in Q4 2016 and has held it in 10 quarters since.
380 funds tracked by Wall St. Rank held Catalyst Pharmaceutical as of Q1 2026.

Based on Two Sigma Securities's 13F filing for Q1 2026, filed 15 May 2026.