Jane Street’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
$13.5M Buy
545,227
+278,974
+105% +$6.65M ﹤0.01% 2175
2025
Q4
$6.21M Buy
266,253
+127,157
+91% +$2.83M ﹤0.01% 2920
2025
Q3
$2.74M Sell
139,096
-4,742
-3% -$97.5K ﹤0.01% 4383
2025
Q2
$3.12M Sell
143,838
-139,366
-49% -$3.29M ﹤0.01% 3698
2025
Q1
$6.87M Buy
283,204
+245,953
+660% +$5.54M ﹤0.01% 2454
2024
Q4
$777K Sell
37,251
-364,657
-91% -$7.83M ﹤0.01% 5858
2024
Q3
$7.99M Buy
401,908
+285,564
+245% +$5.29M ﹤0.01% 2168
2024
Q2
$1.8M Buy
116,344
+52,989
+84% +$825K ﹤0.01% 4669
2024
Q1
$1.01M Sell
63,355
-29,127
-31% -$439K ﹤0.01% 5394
2023
Q4
$1.55M Sell
92,482
-84,835
-48% -$1.16M ﹤0.01% 4767
2023
Q3
$2.07M Buy
177,317
+85,911
+94% +$1.15M ﹤0.01% 4006
2023
Q2
$1.23M Sell
91,406
-11,062
-11% -$159K ﹤0.01% 4881
2023
Q1
$1.7M Buy
102,468
+59,171
+137% +$976K ﹤0.01% 4106
2022
Q4
$805K Buy
43,297
+30,127
+229% +$464K ﹤0.01% 5324
2022
Q3
$169K Sell
13,170
-10,975
-45% -$130K ﹤0.01% 8315
2022
Q2
$169K Sell
24,145
-51,125
-68% -$375K ﹤0.01% 8315
2022
Q1
$624K Buy
75,270
+57,637
+327% +$407K ﹤0.01% 7063
2021
Q4
$119K Sell
17,633
-7,691
-30% -$50.6K ﹤0.01% 9143
2021
Q3
$134K Buy
25,324
+4,312
+21% +$23.6K ﹤0.01% 9131
2021
Q2
$121K Buy
+21,012
New +$108K ﹤0.01% 9170
2021
Q1
Sell
-32,654
Closed -$109K 9139
2020
Q4
$109K Sell
32,654
-132,048
-80% -$444K ﹤0.01% 7182
2020
Q3
$489K Buy
164,702
+150,741
+1,080% +$589K ﹤0.01% 5183
2020
Q2
$65K Buy
+13,961
New +$62.7K ﹤0.01% 6812
2019
Q4
Sell
-24,776
Closed -$132K 5125
2019
Q3
$132K Buy
+24,776
New +$132K ﹤0.01% 4745
2018
Q1
Sell
-18,720
Closed -$73K 4865
2017
Q4
$73K Sell
18,720
-5,279
-22% -$17.4K ﹤0.01% 4380
2017
Q3
$60K Buy
+23,999
New +$65.8K ﹤0.01% 4323
2016
Q3
Sell
-65,594
Closed -$47K 4045
2016
Q2
$47K Buy
+65,594
New +$52.8K ﹤0.01% 3961
2014
Q4
Sell
-46,039
Closed -$153K 2538
2014
Q3
$153K Buy
+46,039
New +$120K ﹤0.01% 2290
2014
Q1
Sell
-42,460
Closed -$83K 2706
2013
Q4
$83K Sell
42,460
-5,688
-12% -$11.5K ﹤0.01% 2204
2013
Q3
$147K Buy
+48,148
New +$81K ﹤0.01% 2485

Other funds holding CPRX

Jane Street's CPRX Position: Q1 2026 in Review

Jane Street increased its Catalyst Pharmaceutical (CPRX) stake by 105% in Q1 2026, buying an estimated $6.65M and bringing the position to 545,227 shares worth $13.5M. The position accounts for ﹤0.01% of the portfolio, ranked #2175.

Jane Street first reported a position in CPRX in Q3 2013 and has held it in 30 quarters since. 380 funds tracked by Wall St. Rank hold CPRX as of Q1 2026.

  • Jane Street held 545,227 shares of Catalyst Pharmaceutical worth $13.5M as of Q1 2026.
  • Jane Street bought 278,974 Catalyst Pharmaceutical shares in Q1 2026, an estimated $6.65M.
  • Catalyst Pharmaceutical made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #2175 holding.
  • Jane Street first reported a position in Catalyst Pharmaceutical in Q3 2013 and has held it in 30 quarters since.
  • 380 funds tracked by Wall St. Rank held Catalyst Pharmaceutical as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.