Ken Fisher’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
$1.68M Buy
51,444
+10,841
+27% +$354K ﹤0.01% 595
2025
Q4
$1.16M Buy
40,603
+2,517
+7% +$69.7K ﹤0.01% 653
2025
Q3
$983K Sell
38,086
-5,593
-13% -$122K ﹤0.01% 690
2025
Q2
$934K Sell
43,679
-3,630
-8% -$68.7K ﹤0.01% 702
2025
Q1
$904K Sell
47,309
-75
-0.2% -$1.84K ﹤0.01% 695
2024
Q4
$1.28M Buy
47,384
+75
+0.2% +$2.26K ﹤0.01% 634
2024
Q3
$1.5M Sell
47,309
-25
-0.1% -$812 ﹤0.01% 617
2024
Q2
$1.72M Buy
47,334
+25
+0.1% +$836 ﹤0.01% 608
2024
Q1
$1.59M Sell
47,309
-7,501
-14% -$246K ﹤0.01% 631
2023
Q4
$1.76M Sell
54,810
-7,807
-12% -$237K ﹤0.01% 615
2023
Q3
$2.03M Sell
62,617
-7,079
-10% -$271K ﹤0.01% 628
2023
Q2
$3.14M Sell
69,696
-11,321
-14% -$462K ﹤0.01% 598
2023
Q1
$3.44M Sell
81,017
-3,022
-4% -$106K ﹤0.01% 589
2022
Q4
$2.4M Hold
84,039
﹤0.01% 622
2022
Q3
$2.06M Buy
84,039
+21,889
+35% +$553K ﹤0.01% 567
2022
Q2
$1.34M Buy
+62,150
New +$1.44M ﹤0.01% 584

Other funds holding PDFS

Ken Fisher's PDFS Position: Q1 2026 in Review

Ken Fisher increased its PDF Solutions (PDFS) stake by 27% in Q1 2026, buying an estimated $354K and bringing the position to 51,444 shares worth $1.68M. The position accounts for ﹤0.01% of the portfolio, ranked #595.

Ken Fisher first reported a position in PDFS in Q2 2022 and has held it in 16 quarters since. The position peaked at $3.44M in Q1 2023. 208 funds tracked by Wall St. Rank hold PDFS as of Q1 2026.

  • Ken Fisher held 51,444 shares of PDF Solutions worth $1.68M as of Q1 2026.
  • Ken Fisher bought 10,841 PDF Solutions shares in Q1 2026, an estimated $354K.
  • PDF Solutions made up ﹤0.01% of Ken Fisher's portfolio in Q1 2026, its #595 holding.
  • Ken Fisher first reported a position in PDF Solutions in Q2 2022 and has held it in 16 quarters since.
  • Ken Fisher's PDF Solutions position peaked at $3.44M in Q1 2023.
  • 208 funds tracked by Wall St. Rank held PDF Solutions as of Q1 2026.

Based on Fisher Asset Management's 13F filing for Q1 2026, filed 5 May 2026.