PDF SOLUTIONS INC

Ticker: PDFS CUSIP: 693282105 Class: Common Stock

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP's Holding History (CIK: 0001164508)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025
Shares 48,553 Value ($000) $1,385 Avg Close $27.67 Range $23.55 - $32.31
Q3 2025
Shares 107,882 Value ($000) $2,786 Avg Close $21.84 Range $18.12 - $26.59
Q2 2025
Shares 40,047 Value ($000) $856 Avg Close $18.93 Range $15.91 - $21.57
Q1 2025
Shares 40,047 Value ($000) $765 Avg Close $24.54 Range $18.50 - $29.50
Q1 2024
Shares 43,472 Value ($000) $1 Avg Close $32.80 Range $28.99 - $35.89
Q4 2023
Shares 40,407 Value ($000) $1 Avg Close $30.32 Range $26.12 - $34.09
Q3 2023
Shares 66,450 Value ($000) $2 Avg Close $38.29 Range $30.80 - $48.02
Q2 2023
Shares 332,358 Value ($000) $15 Avg Close $40.80 Range $32.25 - $45.80
Q1 2023
Shares 342,007 Value ($000) $15 Avg Close $35.04 Range $27.23 - $42.50
Q4 2022
Shares 148,333 Value ($000) $4 Avg Close $27.01 Range $21.36 - $32.56
Q3 2022
Shares 35,683 Value ($000) $875 Avg Close $25.27 Range $20.16 - $30.31
Q4 2021
Shares 53,030 Value ($000) $1,686 Avg Close $27.81 Range $22.46 - $33.78
Q4 2020
Shares 10,966 Value ($000) $237 Avg Close $20.99 Range $18.51 - $23.42
Q2 2020
Shares 194,526 Value ($000) $3,805 Avg Close $16.25 Range $11.05 - $19.64
Q1 2020
Shares 124,246 Value ($000) $1,456 Avg Close $14.77 Range $8.61 - $18.41
Q4 2019
Shares 257,090 Value ($000) $4,342 Avg Close $15.34 Range $12.53 - $17.42
Q3 2019
Shares 185,118 Value ($000) $2,419 Avg Close $12.62 Range $11.16 - $13.84
Q2 2019
Shares 118,117 Value ($000) $1,550 Avg Close $12.83 Range $11.77 - $14.00
Q1 2019
Shares 115,828 Value ($000) $1,430 Avg Close $11.05 Range $8.24 - $13.53