Tower Research Capital (TRC)’s PDF Solutions PDFS Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q1 | $74.1K | Sell |
2,264
-1,099
| -33% | -$35.9K | ﹤0.01% | 2418 |
|
|
2025
Q4 | $95.9K | Buy |
3,363
+1,628
| +94% | +$45.1K | ﹤0.01% | 1974 |
|
|
2025
Q3 | $44.8K | Sell |
1,735
-1,657
| -49% | -$36.2K | ﹤0.01% | 2617 |
|
|
2025
Q2 | $72.5K | Buy |
3,392
+2,442
| +257% | +$46.2K | ﹤0.01% | 2649 |
|
|
2025
Q1 | $18.2K | Sell |
950
-749
| -44% | -$18.4K | ﹤0.01% | 3060 |
|
|
2024
Q4 | $46K | Sell |
1,699
-276
| -14% | -$8.32K | ﹤0.01% | 2611 |
|
|
2024
Q3 | $62.6K | Sell |
1,975
-4,329
| -69% | -$141K | ﹤0.01% | 2590 |
|
|
2024
Q2 | $229K | Sell |
6,304
-946
| -13% | -$31.6K | ﹤0.01% | 1961 |
|
|
2024
Q1 | $244K | Sell |
7,250
-1,432
| -16% | -$47K | 0.01% | 1295 |
|
|
2023
Q4 | $279K | Buy |
8,682
+7,930
| +1,055% | +$240K | ﹤0.01% | 1829 |
|
|
2023
Q3 | $24.4K | Buy |
752
+225
| +43% | +$8.62K | ﹤0.01% | 3198 |
|
|
2023
Q2 | $23.8K | Sell |
527
-141
| -21% | -$5.75K | ﹤0.01% | 3231 |
|
|
2023
Q1 | $28K | Sell |
668
-1,769
| -73% | -$62K | ﹤0.01% | 3074 |
|
|
2022
Q4 | $69K | Sell |
2,437
-2,597
| -52% | -$70.1K | ﹤0.01% | 2124 |
|
|
2022
Q3 | $124K | Buy |
5,034
+3,579
| +246% | +$90.4K | ﹤0.01% | 2378 |
|
|
2022
Q2 | $31K | Buy |
1,455
+965
| +197% | +$22.3K | ﹤0.01% | 3348 |
|
|
2022
Q1 | $14K | Sell |
490
-993
| -67% | -$27.7K | ﹤0.01% | 3908 |
|
|
2021
Q4 | $47K | Sell |
1,483
-6,253
| -81% | -$174K | ﹤0.01% | 2815 |
|
|
2021
Q3 | $179K | Buy |
7,736
+5,363
| +226% | +$110K | ﹤0.01% | 1918 |
|
|
2021
Q2 | $43K | Sell |
2,373
-2,608
| -52% | -$46.7K | ﹤0.01% | 3149 |
|
|
2021
Q1 | $88K | Buy |
4,981
+3,859
| +344% | +$76.5K | ﹤0.01% | 2684 |
|
|
2020
Q4 | $24K | Sell |
1,122
-24,036
| -96% | -$505K | ﹤0.01% | 3750 |
|
|
2020
Q3 | $471K | Buy |
25,158
+22,256
| +767% | +$458K | 0.01% | 1741 |
|
|
2020
Q2 | $57K | Buy |
+2,902
| New | +$47.2K | ﹤0.01% | 2951 |
|
|
2019
Q4 | – | Sell |
-973
| Closed | -$13K | – | 4167 |
|
|
2019
Q3 | $13K | Buy |
973
+299
| +44% | +$3.77K | ﹤0.01% | 2777 |
|
|
2019
Q2 | $9K | Buy |
674
+60
| +10% | +$770 | ﹤0.01% | 2623 |
|
|
2019
Q1 | $8K | Sell |
614
-2,048
| -77% | -$22.6K | ﹤0.01% | 2815 |
|
|
2018
Q4 | $22K | Sell |
2,662
-2,178
| -45% | -$18.5K | ﹤0.01% | 1877 |
|
|
2018
Q3 | $44K | Buy |
4,840
+4,541
| +1,519% | +$45.7K | ﹤0.01% | 1834 |
|
|
2018
Q2 | $4K | Buy |
+299
| New | +$3.57K | ﹤0.01% | 3152 |
|
|
2017
Q4 | – | Sell |
-4,757
| Closed | -$74K | – | 3881 |
|
|
2017
Q3 | $74K | Buy |
+4,757
| New | +$76.7K | 0.01% | 1631 |
|
|
2017
Q1 | – | Sell |
-1,051
| Closed | -$23K | – | 3691 |
|
|
2016
Q4 | $23K | Buy |
1,051
+405
| +63% | +$8.47K | ﹤0.01% | 2018 |
|
|
2016
Q3 | $12K | Sell |
646
-1,035
| -62% | -$16.9K | ﹤0.01% | 1945 |
|
|
2016
Q2 | $24K | Buy |
+1,681
| New | +$22.8K | ﹤0.01% | 2093 |
|
|
2016
Q1 | – | Sell |
-100
| Closed | -$1K | – | 4711 |
|
|
2015
Q4 | $1K | Sell |
100
-16,512
| -99% | -$179K | ﹤0.01% | 4134 |
|
|
2015
Q3 | $166K | Buy |
16,612
+11,233
| +209% | +$141K | 0.02% | 335 |
|
|
2015
Q2 | $86K | Buy |
5,379
+4,435
| +470% | +$76.3K | 0.01% | 963 |
|
|
2015
Q1 | $17K | Sell |
944
-256
| -21% | -$4.45K | ﹤0.01% | 2381 |
|
|
2014
Q4 | $18K | Sell |
1,200
-1,479
| -55% | -$19.4K | ﹤0.01% | 1673 |
|
|
2014
Q3 | $34K | Sell |
2,679
-64
| -2% | -$1.27K | ﹤0.01% | 1861 |
|
|
2014
Q2 | $58K | Buy |
2,743
+825
| +43% | +$15.8K | 0.01% | 1197 |
|
|
2014
Q1 | $35K | Buy |
1,918
+1,718
| +859% | +$37.9K | ﹤0.01% | 1358 |
|
|
2013
Q4 | $5K | Sell |
200
-899
| -82% | -$20.7K | ﹤0.01% | 3521 |
|
|
2013
Q3 | $23K | Buy |
1,099
+499
| +83% | +$10.3K | ﹤0.01% | 2580 |
|
|
2013
Q2 | $11K | Buy |
+600
| New | +$10.4K | ﹤0.01% | 2288 |
|
Other funds holding PDFS
NIM
VPM
VCM
RIM
OAM
SCM
Tower Research Capital (TRC)'s PDFS Position: Q1 2026 in Review
Tower Research Capital (TRC) reduced its PDF Solutions (PDFS) stake by 33% in Q1 2026, selling an estimated $35.9K and leaving 2,264 shares worth $74.1K. The position accounts for ﹤0.01% of the portfolio, ranked #2418.
Tower Research Capital (TRC) first reported a position in PDFS in Q2 2013 and has held it in 45 quarters since. The position peaked at $471K in Q3 2020. 208 funds tracked by Wall St. Rank hold PDFS as of Q1 2026.
- Tower Research Capital (TRC) held 2,264 shares of PDF Solutions worth $74.1K as of Q1 2026.
- Tower Research Capital (TRC) sold 1,099 PDF Solutions shares in Q1 2026, an estimated $35.9K.
- PDF Solutions made up ﹤0.01% of Tower Research Capital (TRC)'s portfolio in Q1 2026, its #2418 holding.
- Tower Research Capital (TRC) first reported a position in PDF Solutions in Q2 2013 and has held it in 45 quarters since.
- Tower Research Capital (TRC)'s PDF Solutions position peaked at $471K in Q3 2020.
- 208 funds tracked by Wall St. Rank held PDF Solutions as of Q1 2026.
Based on Tower Research Capital (TRC)'s 13F filing for Q1 2026, filed 15 May 2026.