PDF SOLUTIONS INC

Ticker: PDFS CUSIP: 693282105 Class: Common Stock

Assenagon Asset Management S.A.'s Holding History (CIK: 0001546007)

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

Q4 2025

Shares 21,329 Value ($000) $609 Avg Close $27.67 Range $23.55 - $32.31

Q3 2025

Shares 20,503 Value ($000) $529 Avg Close $21.84 Range $18.12 - $26.59

Q2 2025

Shares 23,204 Value ($000) $496 Avg Close $18.93 Range $15.91 - $21.57

Q1 2025

Shares 23,204 Value ($000) $443 Avg Close $24.54 Range $18.50 - $29.50

Q4 2024

Shares 66,863 Value ($000) $1,811 Avg Close $30.15 Range $26.94 - $33.42

Q3 2024

Shares 227,708 Value ($000) $7,214 Avg Close $32.46 Range $27.69 - $39.70

Q2 2024

Shares 231,915 Value ($000) $8,437 Avg Close $33.44 Range $29.21 - $37.16

Q1 2024

Shares 211,030 Value ($000) $7,105 Avg Close $32.80 Range $28.99 - $35.89

Q4 2023

Shares 517,479 Value ($000) $16,632 Avg Close $30.32 Range $26.12 - $34.09

Q3 2023

Shares 294,103 Value ($000) $9,529 Avg Close $38.29 Range $30.80 - $48.02

Q2 2023

Shares 290,784 Value ($000) $13,114 Avg Close $40.80 Range $32.25 - $45.80

Q1 2023

Shares 234,914 Value ($000) $9,960 Avg Close $35.04 Range $27.23 - $42.50

Q4 2022

Shares 114,305 Value ($000) $3 Avg Close $27.01 Range $21.36 - $32.56

Q3 2022

Shares 101,514 Value ($000) $2,490 Avg Close $25.27 Range $20.16 - $30.31

Q2 2022

Shares 232,648 Value ($000) $5,004 Avg Close $23.11 Range $19.34 - $28.11

Q1 2022

Shares 252,828 Value ($000) $7,046 Avg Close $27.92 Range $23.73 - $32.80

Q4 2021

Shares 235,548 Value ($000) $7,488 Avg Close $27.81 Range $22.46 - $33.78

Q3 2021

Shares 114,896 Value ($000) $2,647 Avg Close $20.60 Range $17.29 - $24.20

Q2 2021

Shares 114,896 Value ($000) $2,089 Avg Close $17.92 Range $16.70 - $19.76

Q1 2021

Shares 66,242 Value ($000) $1,178 Avg Close $19.82 Range $16.44 - $23.50

Q4 2020

Shares 26,844 Value ($000) $580 Avg Close $20.99 Range $18.51 - $23.42

Q3 2020

Shares 16,805 Value ($000) $314 Avg Close $20.60 Range $18.18 - $26.42

Q2 2020

Shares 12,132 Value ($000) $237 Avg Close $16.25 Range $11.05 - $19.64

Q4 2018

Shares 47,440 Value ($000) $400 Avg Close $8.48 Range $7.56 - $9.45

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	21,329	$609	$27.67	$23.55 - $32.31
Q3 2025	20,503	$529	$21.84	$18.12 - $26.59
Q2 2025	23,204	$496	$18.93	$15.91 - $21.57
Q1 2025	23,204	$443	$24.54	$18.50 - $29.50
Q4 2024	66,863	$1,811	$30.15	$26.94 - $33.42
Q3 2024	227,708	$7,214	$32.46	$27.69 - $39.70
Q2 2024	231,915	$8,437	$33.44	$29.21 - $37.16
Q1 2024	211,030	$7,105	$32.80	$28.99 - $35.89
Q4 2023	517,479	$16,632	$30.32	$26.12 - $34.09
Q3 2023	294,103	$9,529	$38.29	$30.80 - $48.02
Q2 2023	290,784	$13,114	$40.80	$32.25 - $45.80
Q1 2023	234,914	$9,960	$35.04	$27.23 - $42.50
Q4 2022	114,305	$3	$27.01	$21.36 - $32.56
Q3 2022	101,514	$2,490	$25.27	$20.16 - $30.31
Q2 2022	232,648	$5,004	$23.11	$19.34 - $28.11
Q1 2022	252,828	$7,046	$27.92	$23.73 - $32.80
Q4 2021	235,548	$7,488	$27.81	$22.46 - $33.78
Q3 2021	114,896	$2,647	$20.60	$17.29 - $24.20
Q2 2021	114,896	$2,089	$17.92	$16.70 - $19.76
Q1 2021	66,242	$1,178	$19.82	$16.44 - $23.50
Q4 2020	26,844	$580	$20.99	$18.51 - $23.42
Q3 2020	16,805	$314	$20.60	$18.18 - $26.42
Q2 2020	12,132	$237	$16.25	$11.05 - $19.64
Q4 2018	47,440	$400	$8.48	$7.56 - $9.45