Ticker · CUSIP 693282105

PDFS

PDF SOLUTIONS INC
···Share
Holders (tracked)
6
Combined shares
220,985
Combined value
$6.31M
Last close
Quarter
2025Q4
Tracked holders · last 8 quarters
-2 vs previous quarter over the last 8.
6102024Q12025Q4

SEC event timeline

15 events
  1. −19,559 shares · 2025Q4
    Position
  2. +2,566 shares · 2025Q4
    Position
  3. +2,330 shares · 2025Q4
    Position
  4. −23,316 shares · 2025Q4
    Position
  5. +54,228 shares · 2025Q4
    Position
  6. −90,100 shares · 2025Q4
    Position
  7. +2,517 shares · 2025Q4
    Position
  8. −36,425 shares · 2025Q3
    Position
  9. +10,868 shares · 2025Q3
    Position
  10. −31,778 shares · 2025Q3
    Position
  11. +10,758 shares · 2025Q3
    Position
  12. −139,393 shares · 2025Q3
    Position
  13. +868 shares · 2025Q3
    Position
  14. +20,800 shares · 2025Q3
    Position
  15. −5,593 shares · 2025Q3
    Position

Insider activity

No insider transactions in the last 30 days.

Who moved on this name in 2025Q4

Position changes reported for the latest quarter, grouped by direction.
New positions0
Trimmed2
Exited1

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.
QuarterHoldersCombined value
2022Q1
7
$141.9M
2022Q2
8
$109.5M
2022Q3
9
$120.7M
2022Q4
12
$150.6M
2023Q1
13
$234.7M
2023Q2
12
$240.5M
2023Q3
12
$172.9M
2023Q4
11
$174.3M
2024Q1
10
$171.5M
2024Q2
10
$184.7M
2024Q3
9
$7.6M
2024Q4
10
$8.5M
2025Q1
10
$9.5M
2025Q2
8
$11.3M
2025Q3
8
$7.8M
2025Q4
6
$6.3M

Who owns PDFS

6 super-investors · 2025Q4
Tracked stake
221.0K
shares
Combined value
$6M
% of shares outstanding
shares-out unknown
Quarter action mix
Added4Trim2
#ManagerSharesValue
1Two Sigma Investments65.0K$2M
2AQR Capital Management46.2K$1M
3Ken Fisher
Fisher Asset Mgmt
40.6K$1M
4Ken Griffin
Citadel Advisors
39.9K$1M
5T. Rowe Price19.2K$547K
6D.E. Shaw & Co.10.2K$290K

Recent moves

20 transactions
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