Deerfield Management’s Catalyst Pharmaceutical CPRX Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
Sell
-3,943,600
Closed -$97.6M 85
2026
Q1
$97.6M Sell
3,943,600
-967,561
-20% -$23.1M 1.15% 23
2025
Q4
$115M Sell
4,911,161
-63,606
-1% -$1.42M 1.46% 21
2025
Q3
$98M Buy
4,974,767
+2,095,291
+73% +$43.1M 1.5% 18
2025
Q2
$62.5M Sell
2,879,476
-542,673
-16% -$12.8M 1.13% 23
2025
Q1
$83M Buy
3,422,149
+289,138
+9% +$6.51M 1.64% 20
2024
Q4
$65.4M Sell
3,133,011
-3,096,623
-50% -$66.5M 1.24% 23
2024
Q3
$124M Sell
6,229,634
-2,897,671
-32% -$53.7M 1.85% 13
2024
Q2
$141M Sell
9,127,305
-3,512
-0% -$54.7K 2.35% 9
2024
Q1
$146M Buy
9,130,817
+241,916
+3% +$3.65M 2.53% 7
2023
Q4
$149M Buy
8,888,901
+696,901
+9% +$9.53M 2.76% 6
2023
Q3
$95.8M Hold
8,192,000
2.11% 15
2023
Q2
$110M Sell
8,192,000
-2,163,099
-21% -$31.1M 2.35% 11
2023
Q1
$172M Buy
10,355,099
+4,470,651
+76% +$73.8M 3.83% 4
2022
Q4
$109M Buy
5,884,448
+988,448
+20% +$15.2M 2.27% 11
2022
Q3
$62.8M Buy
+4,896,000
New +$58M 1.25% 26

Other funds holding CPRX

Deerfield Management's CPRX Position: Q2 2026 in Review

Deerfield Management sold out of Catalyst Pharmaceutical (CPRX) in Q2 2026, closing a stake of 3,943,600 shares — an estimated $97.6M sold.

Deerfield Management first reported a position in CPRX in Q3 2022 and held it in 15 quarters. The position peaked at $172M in Q1 2023. 395 funds tracked by Wall St. Rank hold CPRX as of Q2 2026.

  • Deerfield Management reported no remaining Catalyst Pharmaceutical position as of Q2 2026 after selling out during the quarter.
  • Deerfield Management sold 3,943,600 Catalyst Pharmaceutical shares in Q2 2026, an estimated $97.6M.
  • Deerfield Management first reported a position in Catalyst Pharmaceutical in Q3 2022 and held it in 15 quarters.
  • Deerfield Management's Catalyst Pharmaceutical position peaked at $172M in Q1 2023.
  • 395 funds tracked by Wall St. Rank held Catalyst Pharmaceutical as of Q2 2026.

Based on Deerfield Management's 13F filing for Q2 2026, filed 14 Aug 2026.