D.E. Shaw & Co’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
Q1
$1M Buy
40,542
+29,762
+276% +$709K ﹤0.01% 3444
2025
Q4
$252K Sell
10,780
-94,341
-90% -$2.1M ﹤0.01% 4233
2025
Q3
$2.07M Buy
105,121
+31,149
+42% +$641K ﹤0.01% 2958
2025
Q2
$1.61M Sell
73,972
-26,423
-26% -$624K ﹤0.01% 2906
2025
Q1
$2.43M Buy
100,395
+82,222
+452% +$1.85M ﹤0.01% 2464
2024
Q4
$379K Buy
+18,173
New +$390K ﹤0.01% 3774
2024
Q2
Sell
-12,261
Closed -$195K 4535
2024
Q1
$195K Sell
12,261
-38,658
-76% -$583K ﹤0.01% 3927
2023
Q4
$856K Sell
50,919
-101,149
-67% -$1.38M ﹤0.01% 3238
2023
Q3
$1.78M Sell
152,068
-223,550
-60% -$2.99M ﹤0.01% 2671
2023
Q2
$5.05M Sell
375,618
-803,804
-68% -$11.6M 0.01% 1848
2023
Q1
$19.6M Sell
1,179,422
-444,544
-27% -$7.33M 0.02% 909
2022
Q4
$30.2M Sell
1,623,966
-241,059
-13% -$3.71M 0.03% 671
2022
Q3
$23.9M Buy
1,865,025
+437,975
+31% +$5.19M 0.03% 745
2022
Q2
$10M Buy
1,427,050
+385,083
+37% +$2.82M 0.01% 1390
2022
Q1
$8.64M Buy
1,041,967
+470,180
+82% +$3.32M 0.01% 1733
2021
Q4
$3.87M Buy
571,787
+166,929
+41% +$1.1M ﹤0.01% 2667
2021
Q3
$2.15M Sell
404,858
-47,480
-10% -$260K ﹤0.01% 2975
2021
Q2
$2.6M Buy
452,338
+301,946
+201% +$1.56M ﹤0.01% 2670
2021
Q1
$693K Sell
150,392
-206,555
-58% -$821K ﹤0.01% 3344
2020
Q4
$1.19M Sell
356,947
-98,857
-22% -$332K ﹤0.01% 2909
2020
Q3
$1.35M Sell
455,804
-262,230
-37% -$1.03M ﹤0.01% 2659
2020
Q2
$3.32M Sell
718,034
-116,563
-14% -$524K ﹤0.01% 2000
2020
Q1
$3.21M Buy
834,597
+230,162
+38% +$945K 0.01% 1801
2019
Q4
$2.27M Buy
+604,435
New +$2.83M ﹤0.01% 2365
2018
Q4
Sell
-32,694
Closed -$124K 3786
2018
Q3
$124K Sell
32,694
-23,428
-42% -$73.4K ﹤0.01% 3602
2018
Q2
$175K Sell
56,122
-52,826
-48% -$160K ﹤0.01% 3574
2018
Q1
$260K Buy
108,948
+3,800
+4% +$12.6K ﹤0.01% 3215
2017
Q4
$411K Buy
+105,148
New +$347K ﹤0.01% 3090
2017
Q1
Sell
-12,651
Closed -$13K 3331
2016
Q4
$13K Buy
+12,651
New +$14.5K ﹤0.01% 3401
2016
Q3
Sell
-33,094
Closed -$23K 3387
2016
Q2
$23K Sell
33,094
-415,239
-93% -$334K ﹤0.01% 3305
2016
Q1
$525K Buy
448,333
+131,868
+42% +$205K ﹤0.01% 2759
2015
Q4
$775K Buy
316,465
+177,620
+128% +$509K ﹤0.01% 2822
2015
Q3
$417K Sell
138,845
-67,258
-33% -$290K ﹤0.01% 3173
2015
Q2
$851K Buy
+206,103
New +$821K ﹤0.01% 2823

Other funds holding CPRX

D.E. Shaw & Co's CPRX Position: Q1 2026 in Review

D.E. Shaw & Co increased its Catalyst Pharmaceutical (CPRX) stake by 276% in Q1 2026, buying an estimated $709K and bringing the position to 40,542 shares worth $1M. The position accounts for ﹤0.01% of the portfolio, ranked #3444.

D.E. Shaw & Co first reported a position in CPRX in Q2 2015 and has held it in 34 quarters since. The position peaked at $30.2M in Q4 2022. 380 funds tracked by Wall St. Rank hold CPRX as of Q1 2026.

  • D.E. Shaw & Co held 40,542 shares of Catalyst Pharmaceutical worth $1M as of Q1 2026.
  • D.E. Shaw & Co bought 29,762 Catalyst Pharmaceutical shares in Q1 2026, an estimated $709K.
  • Catalyst Pharmaceutical made up ﹤0.01% of D.E. Shaw & Co's portfolio in Q1 2026, its #3444 holding.
  • D.E. Shaw & Co first reported a position in Catalyst Pharmaceutical in Q2 2015 and has held it in 34 quarters since.
  • D.E. Shaw & Co's Catalyst Pharmaceutical position peaked at $30.2M in Q4 2022.
  • 380 funds tracked by Wall St. Rank held Catalyst Pharmaceutical as of Q1 2026.

Based on D.E. Shaw & Co's 13F filing for Q1 2026, filed 15 May 2026.