Tower Research Capital (TRC)’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
$203K Buy
8,212
+5,233
+176% +$125K 0.01% 1608
2025
Q4
$69.5K Sell
2,979
-3,802
-56% -$84.7K ﹤0.01% 2198
2025
Q3
$134K Sell
6,781
-5,663
-46% -$116K ﹤0.01% 1784
2025
Q2
$270K Buy
12,444
+12,070
+3,227% +$285K 0.01% 1514
2025
Q1
$9.07K Sell
374
-26,117
-99% -$588K ﹤0.01% 3825
2024
Q4
$553K Buy
26,491
+18,759
+243% +$403K 0.01% 989
2024
Q3
$154K Sell
7,732
-10,399
-57% -$193K ﹤0.01% 1870
2024
Q2
$281K Buy
18,131
+16,932
+1,412% +$264K ﹤0.01% 1820
2024
Q1
$19.1K Sell
1,199
-4,985
-81% -$75.1K ﹤0.01% 3041
2023
Q4
$104K Buy
6,184
+2,833
+85% +$38.7K ﹤0.01% 2621
2023
Q3
$39.2K Sell
3,351
-9,169
-73% -$123K ﹤0.01% 2763
2023
Q2
$168K Sell
12,520
-7,424
-37% -$107K 0.01% 1682
2023
Q1
$331K Buy
19,944
+15,442
+343% +$255K 0.01% 1080
2022
Q4
$83K Sell
4,502
-20,605
-82% -$317K ﹤0.01% 1977
2022
Q3
$322K Buy
25,107
+13,975
+126% +$166K 0.01% 1488
2022
Q2
$78K Sell
11,132
-31,497
-74% -$231K ﹤0.01% 2482
2022
Q1
$354K Buy
42,629
+30,164
+242% +$213K ﹤0.01% 1368
2021
Q4
$84K Sell
12,465
-8,559
-41% -$56.3K ﹤0.01% 2348
2021
Q3
$111K Buy
21,024
+13,187
+168% +$72.1K ﹤0.01% 2311
2021
Q2
$45K Sell
7,837
-6,609
-46% -$34.1K ﹤0.01% 3101
2021
Q1
$67K Buy
14,446
+5,467
+61% +$21.7K ﹤0.01% 2880
2020
Q4
$30K Sell
8,979
-155,582
-95% -$523K ﹤0.01% 3559
2020
Q3
$489K Buy
164,561
+143,743
+690% +$562K 0.01% 1704
2020
Q2
$97K Buy
+20,818
New +$93.5K ﹤0.01% 2485
2020
Q1
Sell
-15,000
Closed -$56K 3154
2019
Q4
$56K Buy
15,000
+9,939
+196% +$46.5K ﹤0.01% 1262
2019
Q3
$27K Buy
+5,061
New +$27K ﹤0.01% 2252
2019
Q1
Sell
-10,769
Closed -$21K 3846
2018
Q4
$21K Buy
10,769
+10,324
+2,320% +$29.6K ﹤0.01% 1897
2018
Q3
$2K Buy
+445
New +$1.39K ﹤0.01% 3415
2018
Q2
Sell
-3,198
Closed -$8K 3696
2018
Q1
$8K Sell
3,198
-9,479
-75% -$31.5K ﹤0.01% 2534
2017
Q4
$49K Sell
12,677
-2,584
-17% -$8.54K 0.01% 1346
2017
Q3
$38K Buy
+15,261
New +$41.9K ﹤0.01% 2221
2017
Q2
Sell
-1,001
Closed -$2K 2798
2017
Q1
$2K Sell
1,001
-7,096
-88% -$9.04K ﹤0.01% 2602
2016
Q4
$9K Buy
8,097
+387
+5% +$442 ﹤0.01% 2708
2016
Q3
$8K Sell
7,710
-48,073
-86% -$43.3K ﹤0.01% 2205
2016
Q2
$40K Buy
55,783
+51,294
+1,143% +$41.3K ﹤0.01% 1715
2016
Q1
$5K Buy
4,489
+2,749
+158% +$4.26K ﹤0.01% 2661
2015
Q4
$4K Sell
1,740
-6,161
-78% -$17.6K ﹤0.01% 3165
2015
Q3
$24K Buy
7,901
+7,801
+7,801% +$33.7K ﹤0.01% 1577
2015
Q2
$0 Sell
100
-4,201
-98% -$16.7K ﹤0.01% 4452
2015
Q1
$19K Buy
+4,301
New +$15.5K ﹤0.01% 2288
2014
Q2
Sell
-534
Closed -$1K 4090
2014
Q1
$1K Sell
534
-16,006
-97% -$33.5K ﹤0.01% 4119
2013
Q4
$32K Buy
+16,540
New +$33.4K 0.01% 1816

Other funds holding CPRX

Tower Research Capital (TRC)'s CPRX Position: Q1 2026 in Review

Tower Research Capital (TRC) increased its Catalyst Pharmaceutical (CPRX) stake by 176% in Q1 2026, buying an estimated $125K and bringing the position to 8,212 shares worth $203K. The position accounts for 0.01% of the portfolio, ranked #1608.

Tower Research Capital (TRC) first reported a position in CPRX in Q4 2013 and has held it in 42 quarters since. The position peaked at $553K in Q4 2024. 380 funds tracked by Wall St. Rank hold CPRX as of Q1 2026.

  • Tower Research Capital (TRC) held 8,212 shares of Catalyst Pharmaceutical worth $203K as of Q1 2026.
  • Tower Research Capital (TRC) bought 5,233 Catalyst Pharmaceutical shares in Q1 2026, an estimated $125K.
  • Catalyst Pharmaceutical made up 0.01% of Tower Research Capital (TRC)'s portfolio in Q1 2026, its #1608 holding.
  • Tower Research Capital (TRC) first reported a position in Catalyst Pharmaceutical in Q4 2013 and has held it in 42 quarters since.
  • Tower Research Capital (TRC)'s Catalyst Pharmaceutical position peaked at $553K in Q4 2024.
  • 380 funds tracked by Wall St. Rank held Catalyst Pharmaceutical as of Q1 2026.

Based on Tower Research Capital (TRC)'s 13F filing for Q1 2026, filed 15 May 2026.