Group One Trading’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
Q2 | $227K | Buy |
+3,200
| New | +$159K | ﹤0.01% | 4191 |
|
|
2026
Q1 | – | Sell |
-1,000
| Closed | -$28.5K | – | 8463 |
|
|
2025
Q4 | $28.5K | Sell |
1,000
-500
| -33% | -$13.8K | ﹤0.01% | 6063 |
|
|
2025
Q3 | $38.7K | Buy |
1,500
+1,100
| +275% | +$24K | ﹤0.01% | 6173 |
|
|
2025
Q2 | $8.55K | Buy |
400
+200
| +100% | +$3.79K | ﹤0.01% | 6811 |
|
|
2025
Q1 | $3.82K | Buy |
+200
| New | +$4.91K | ﹤0.01% | 6753 |
|
|
2024
Q4 | – | Sell |
-100
| Closed | -$3.17K | – | 7790 |
|
|
2024
Q3 | $3.17K | Buy |
+100
| New | +$3.25K | ﹤0.01% | 6029 |
|
|
2024
Q2 | – | Sell |
-100
| Closed | -$3.37K | – | 7300 |
|
|
2024
Q1 | $3.37K | Sell |
100
-1,000
| -91% | -$32.8K | ﹤0.01% | 6334 |
|
|
2023
Q4 | $35.4K | Buy |
1,100
+200
| +22% | +$6.06K | ﹤0.01% | 5330 |
|
|
2023
Q3 | $29.2K | Buy |
+900
| New | +$34.5K | ﹤0.01% | 5569 |
|
|
2023
Q1 | – | Sell |
-1,000
| Closed | -$28.5K | – | 7761 |
|
|
2022
Q4 | $28.5K | Buy |
+1,000
| New | +$27K | ﹤0.01% | 5379 |
|
|
2021
Q4 | – | Sell |
-25,100
| Closed | -$578K | – | 8692 |
|
|
2021
Q3 | $578K | Buy |
25,100
+100
| +0.4% | +$2.06K | ﹤0.01% | 4027 |
|
|
2021
Q2 | $455K | Buy |
+25,000
| New | +$448K | ﹤0.01% | 4322 |
|
|
2020
Q4 | – | Sell |
-29,100
| Closed | -$544K | – | 6867 |
|
|
2020
Q3 | $544K | Buy |
+29,100
| New | +$599K | ﹤0.01% | 2771 |
|
|
2020
Q2 | – | Sell |
-1,000
| Closed | -$12K | – | 6077 |
|
|
2020
Q1 | $12K | Buy |
+1,000
| New | +$14.8K | ﹤0.01% | 4488 |
|
|
2019
Q4 | – | Sell |
-1,000
| Closed | -$13K | – | 5491 |
|
|
2019
Q3 | $13K | Hold |
1,000
| – | – | ﹤0.01% | 4515 |
|
|
2019
Q2 | $13K | Buy |
+1,000
| New | +$12.8K | ﹤0.01% | 4339 |
|
|
2019
Q1 | – | Sell |
-1,000
| Closed | -$8K | – | 5228 |
|
|
2018
Q4 | $8K | Hold |
1,000
| – | – | ﹤0.01% | 4352 |
|
|
2018
Q3 | $9K | Buy |
+1,000
| New | +$10.1K | ﹤0.01% | 4691 |
|
|
2015
Q2 | – | Sell |
-2,000
| Closed | -$36K | – | 5082 |
|
|
2015
Q1 | $36K | Sell |
2,000
-9,100
| -82% | -$158K | ﹤0.01% | 3556 |
|
|
2014
Q4 | $165K | Hold |
11,100
| – | – | ﹤0.01% | 2456 |
|
|
2014
Q3 | $140K | Buy |
11,100
+10,400
| +1,486% | +$206K | ﹤0.01% | 2705 |
|
|
2014
Q2 | $15K | Buy |
700
+500
| +250% | +$9.56K | ﹤0.01% | 4330 |
|
|
2014
Q1 | $4K | Sell |
200
-1,900
| -90% | -$41.9K | ﹤0.01% | 4870 |
|
|
2013
Q4 | $54K | Sell |
2,100
-200
| -9% | -$4.6K | ﹤0.01% | 3554 |
|
|
2013
Q3 | $49K | Buy |
2,300
+2,000
| +667% | +$41.1K | ﹤0.01% | 3566 |
|
|
2013
Q2 | $6K | Buy |
+300
| New | +$5.22K | ﹤0.01% | 4631 |
|
Other funds holding PDFS
NIM
WA
RIM
SCM
JT
Group One Trading's PDFS Position: Q2 2026 in Review
Group One Trading opened a new position in PDF Solutions (PDFS) in Q2 2026: 673 shares worth $47.6K. The stake represents ﹤0.01% of the portfolio and ranks #5431 among its holdings. This is a return to the name: Group One Trading previously reported a position in PDFS as recently as Q1 2023.
Group One Trading first reported a position in PDFS in Q2 2013 and has held it in 16 quarters since. The position peaked at $843K in Q4 2018. 283 funds tracked by Wall St. Rank hold PDFS as of Q2 2026.
- Group One Trading held 673 shares of PDF Solutions worth $47.6K as of Q2 2026.
- PDF Solutions was a new Group One Trading position in Q2 2026.
- PDF Solutions made up ﹤0.01% of Group One Trading's portfolio in Q2 2026, its #5431 holding.
- Group One Trading first reported a position in PDF Solutions in Q2 2013 and has held it in 16 quarters since.
- Group One Trading's PDF Solutions position peaked at $843K in Q4 2018.
- 283 funds tracked by Wall St. Rank held PDF Solutions as of Q2 2026.
Based on Group One Trading's 13F filing for Q2 2026, filed 14 Aug 2026.