MF
CPRX

Magnetar Financial’s Catalyst Pharmaceutical CPRX Stock Holding History

Magnetar Financial’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
-21,206
Closed -$495K – 1198
2025
Q4 		$495K Buy
+21,206
New +$472K ﹤0.01% 561
2025
Q3 		– Sell
-47,031
Closed -$1.02M – 943
2025
Q2 		$1.02M Buy
+47,031
New +$1.11M ﹤0.01% 435
2025
Q1 		– Sell
-19,341
Closed -$404K – 767
2024
Q4 		$404K Buy
19,341
+6,841
+55% +$147K 0.01% 409
2024
Q3 		$249K Buy
+12,500
New +$232K 0.01% 432
2020
Q4 		– Sell
-17,217
Closed -$51K – 757
2020
Q3 		$51K Buy
+17,217
New +$67.3K ﹤0.01% 636

Other funds holding CPRX

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
State Street
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
American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return
DM
Deerfield Management New York $8.48B AUM 99.04% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

Magnetar Financial's CPRX Position: Q1 2026 in Review

Magnetar Financial sold out of Catalyst Pharmaceutical (CPRX) in Q1 2026, closing a stake of 21,206 shares — an estimated $495K sold.

Magnetar Financial first reported a position in CPRX in Q3 2020 and held it in 5 quarters. The position peaked at $1.02M in Q2 2025. 380 funds tracked by Wall St. Rank hold CPRX as of Q1 2026.

  • Magnetar Financial reported no remaining Catalyst Pharmaceutical position as of Q1 2026 after selling out during the quarter.
  • Magnetar Financial sold 21,206 Catalyst Pharmaceutical shares in Q1 2026, an estimated $495K.
  • Magnetar Financial first reported a position in Catalyst Pharmaceutical in Q3 2020 and held it in 5 quarters.
  • Magnetar Financial's Catalyst Pharmaceutical position peaked at $1.02M in Q2 2025.
  • 380 funds tracked by Wall St. Rank held Catalyst Pharmaceutical as of Q1 2026.

Based on Magnetar Financial's 13F filing for Q1 2026, filed 13 May 2026.