Tower Research Capital (TRC)’s Pro-Dex PDEX Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$30.7K Buy
624
+357
+134% +$15.4K ﹤0.01% 3149
2025
Q4
$10.3K Sell
267
-167
-38% -$5.77K ﹤0.01% 3804
2025
Q3
$14.7K Buy
434
+329
+313% +$14.2K ﹤0.01% 3582
2025
Q2
$4.58K Buy
+105
New +$5.14K ﹤0.01% 4297
2025
Q1
Sell
-94
Closed -$4.39K 5638
2024
Q4
$4.39K Sell
94
-46
-33% -$1.87K ﹤0.01% 4470
2024
Q3
$4.18K Sell
140
-403
-74% -$8.68K ﹤0.01% 4647
2024
Q2
$10.7K Sell
543
-318
-37% -$6K ﹤0.01% 4133
2024
Q1
$15.2K Buy
861
+430
+100% +$8.12K ﹤0.01% 3256
2023
Q4
$7.55K Sell
431
-261
-38% -$4.37K ﹤0.01% 4605
2023
Q3
$10.9K Buy
692
+187
+37% +$3.21K ﹤0.01% 4067
2023
Q2
$9.65K Sell
505
-375
-43% -$6.53K ﹤0.01% 4243
2023
Q1
$14K Buy
880
+149
+20% +$2.48K ﹤0.01% 3904
2022
Q4
$12K Sell
731
-1,956
-73% -$35K ﹤0.01% 3731
2022
Q3
$48K Buy
2,687
+2,084
+346% +$35.8K ﹤0.01% 3194
2022
Q2
$10K Sell
603
-1,176
-66% -$18K ﹤0.01% 4471
2022
Q1
$29K Buy
1,779
+1,580
+794% +$32.1K ﹤0.01% 3195
2021
Q4
$5K Sell
199
-1
-0.5% -$24 ﹤0.01% 5182
2021
Q3
$5K Sell
200
-115
-37% -$3.27K ﹤0.01% 4877
2021
Q2
$10K Buy
+315
New +$9.65K ﹤0.01% 4396
2021
Q1
Sell
-748
Closed -$23K 5628
2020
Q4
$23K Sell
748
-1,875
-71% -$66.3K ﹤0.01% 3779
2020
Q3
$75K Buy
2,623
+2,599
+10,829% +$60.3K ﹤0.01% 3352
2020
Q2
$0 Sell
24
-147
-86% -$2.61K ﹤0.01% 4921
2020
Q1
$3K Sell
171
-37
-18% -$645 ﹤0.01% 2483
2019
Q4
$4K Buy
+208
New +$2.96K ﹤0.01% 2803
2019
Q3
Sell
-350
Closed -$5K 4414
2019
Q2
$5K Buy
+350
New +$4.88K ﹤0.01% 2952
2016
Q4
Sell
-558
Closed -$3K 4252
2016
Q3
$3K Sell
558
-118
-17% -$615 ﹤0.01% 2877
2016
Q2
$4K Buy
+676
New +$2.77K ﹤0.01% 3543
2014
Q3
Sell
-300
Closed -$1K 4770
2014
Q2
$1K Buy
+300
New +$627 ﹤0.01% 3724
2013
Q3
Sell
-250
Closed 4765
2013
Q2
$0 Buy
+250
New +$492 ﹤0.01% 3963

Other funds holding PDEX

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

Tower Research Capital (TRC) increased its Pro-Dex (PDEX) stake by 134% in Q1 2026, buying an estimated $15.4K and bringing the position to 624 shares worth $30.7K. The position accounts for ﹤0.01% of the portfolio, ranked #3149.

Tower Research Capital (TRC) first reported a position in PDEX in Q2 2013 and has held it in 29 quarters since. The position peaked at $75K in Q3 2020. 58 funds tracked by Wall St. Rank hold PDEX as of Q1 2026.

  • Tower Research Capital (TRC) held 624 shares of Pro-Dex worth $30.7K as of Q1 2026.
  • Tower Research Capital (TRC) bought 357 Pro-Dex shares in Q1 2026, an estimated $15.4K.
  • Pro-Dex made up ﹤0.01% of Tower Research Capital (TRC)'s portfolio in Q1 2026, its #3149 holding.
  • Tower Research Capital (TRC) first reported a position in Pro-Dex in Q2 2013 and has held it in 29 quarters since.
  • Tower Research Capital (TRC)'s Pro-Dex position peaked at $75K in Q3 2020.
  • 58 funds tracked by Wall St. Rank held Pro-Dex as of Q1 2026.

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