O'Shaughnessy Asset Management’s Catalyst Pharmaceutical CPRX Stock Holding History

O'Shaughnessy Asset Management’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	–	Sell	-11,449	Closed	-$267K	–	2697
2025 Q4	$267K	Sell	11,449 -6,716	-37%	-$150K	﹤0.01%	1833
2025 Q3	$358K	Sell	18,165 -1,730	-9%	-$35.6K	﹤0.01%	1656
2025 Q2	$432K	Buy	19,895 +1,046	+6%	+$24.7K	﹤0.01%	1458
2025 Q1	$457K	Sell	18,849 -500	-3%	-$11.3K	﹤0.01%	1366
2024 Q4	$404K	Buy	19,349 +8,367	+76%	+$180K	﹤0.01%	1374
2024 Q3	$227K	Buy	+10,982	New	+$204K	﹤0.01%	1618
2023 Q2	–	Sell	-11,447	Closed	-$190K	–	1516
2023 Q1	$190K	Buy	11,447 +1,388	+14%	+$22.9K	﹤0.01%	1213
2022 Q4	$187K	Buy	+10,059	New	+$155K	﹤0.01%	1127
2022 Q1	–	Sell	-73,599	Closed	-$498K	–	1291
2021 Q4	$498K	Sell	73,599 -4,819	-6%	-$31.7K	0.01%	693
2021 Q3	$416K	Sell	78,418 -24,624	-24%	-$135K	0.01%	724
2021 Q2	$592K	Buy	103,042 +11,414	+12%	+$58.9K	0.01%	600
2021 Q1	$422K	Buy	91,628 +78,553	+601%	+$312K	0.01%	673
2020 Q4	$44K	Buy	+13,075	New	+$43.9K	﹤0.01%	1269

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

O'Shaughnessy Asset Management's CPRX Position: Q1 2026 in Review

O'Shaughnessy Asset Management sold out of Catalyst Pharmaceutical (CPRX) in Q1 2026, closing a stake of 11,449 shares — an estimated $267K sold.

O'Shaughnessy Asset Management first reported a position in CPRX in Q4 2020 and held it in 13 quarters. The position peaked at $592K in Q2 2021. 380 funds tracked by Wall St. Rank hold CPRX as of Q1 2026.

O'Shaughnessy Asset Management reported no remaining Catalyst Pharmaceutical position as of Q1 2026 after selling out during the quarter.
O'Shaughnessy Asset Management sold 11,449 Catalyst Pharmaceutical shares in Q1 2026, an estimated $267K.
O'Shaughnessy Asset Management first reported a position in Catalyst Pharmaceutical in Q4 2020 and held it in 13 quarters.
O'Shaughnessy Asset Management's Catalyst Pharmaceutical position peaked at $592K in Q2 2021.
380 funds tracked by Wall St. Rank held Catalyst Pharmaceutical as of Q1 2026.

Based on O'Shaughnessy Asset Management's 13F filing for Q1 2026, filed 13 May 2026.