PDF SOLUTIONS INC

Ticker: PDFS CUSIP: 693282105 Class: Common Stock

RHUMBLINE ADVISERS's Holding History (CIK: 0001115418)

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

Q4 2025

Shares 82,477 Value ($000) $2,353 Avg Close $27.67 Range $23.55 - $32.31

Q3 2025

Shares 86,918 Value ($000) $2,244 Avg Close $21.84 Range $18.12 - $26.59

Q2 2025

Shares 132,343 Value ($000) $2,829 Avg Close $18.93 Range $15.91 - $21.57

Q1 2025

Shares 85,435 Value ($000) $1,633 Avg Close $24.54 Range $18.50 - $29.50

Q4 2024

Shares 104,302 Value ($000) $2,824 Avg Close $30.15 Range $26.94 - $33.42

Q3 2024

Shares 93,745 Value ($000) $2,970 Avg Close $32.46 Range $27.69 - $39.70

Q2 2024

Shares 85,710 Value ($000) $3,118 Avg Close $33.44 Range $29.21 - $37.16

Q1 2024

Shares 86,388 Value ($000) $2,909 Avg Close $32.80 Range $28.99 - $35.89

Q4 2023

Shares 86,157 Value ($000) $2,769 Avg Close $30.32 Range $26.12 - $34.09

Q3 2023

Shares 86,619 Value ($000) $2,806 Avg Close $38.29 Range $30.80 - $48.02

Q2 2023

Shares 86,744 Value ($000) $3,912 Avg Close $40.80 Range $32.25 - $45.80

Q1 2023

Shares 86,266 Value ($000) $4 Avg Close $35.04 Range $27.23 - $42.50

Q4 2022

Shares 81,037 Value ($000) $2 Avg Close $27.01 Range $21.36 - $32.56

Q3 2022

Shares 81,380 Value ($000) $1,996 Avg Close $25.27 Range $20.16 - $30.31

Q2 2022

Shares 77,774 Value ($000) $1,673 Avg Close $23.11 Range $19.34 - $28.11

Q1 2022

Shares 83,456 Value ($000) $2,326 Avg Close $27.92 Range $23.73 - $32.80

Q4 2021

Shares 83,858 Value ($000) $2,666 Avg Close $27.81 Range $22.46 - $33.78

Q3 2021

Shares 84,226 Value ($000) $1,941 Avg Close $20.60 Range $17.29 - $24.20

Q2 2021

Shares 94,259 Value ($000) $1,714 Avg Close $17.92 Range $16.70 - $19.76

Q1 2021

Shares 86,244 Value ($000) $1,533 Avg Close $19.82 Range $16.44 - $23.50

Q4 2020

Shares 85,241 Value ($000) $1,841 Avg Close $20.99 Range $18.51 - $23.42

Q3 2020

Shares 80,840 Value ($000) $1,513 Avg Close $20.60 Range $18.18 - $26.42

Q2 2020

Shares 84,165 Value ($000) $1,646 Avg Close $16.25 Range $11.05 - $19.64

Q1 2020

Shares 98,493 Value ($000) $1,154 Avg Close $14.77 Range $8.61 - $18.41

Q4 2019

Shares 93,823 Value ($000) $1,585 Avg Close $15.34 Range $12.53 - $17.42

Q3 2019

Shares 89,715 Value ($000) $1,173 Avg Close $12.62 Range $11.16 - $13.84

Q2 2019

Shares 82,753 Value ($000) $1,086 Avg Close $12.83 Range $11.77 - $14.00

Q1 2019

Shares 80,247 Value ($000) $991 Avg Close $11.05 Range $8.24 - $13.53

Q4 2018

Shares 80,150 Value ($000) $676 Avg Close $8.48 Range $7.56 - $9.45

Q3 2018

Shares 65,727 Value ($000) $594 Avg Close $10.06 Range $8.10 - $12.66

Q2 2018

Shares 65,631 Value ($000) $786 Avg Close $11.94 Range $9.62 - $13.84

Q1 2018

Shares 62,744 Value ($000) $732 Avg Close $13.29 Range $11.07 - $16.76

Q4 2017

Shares 62,081 Value ($000) $975 Avg Close $16.06 Range $14.12 - $18.48

Q3 2017

Shares 31,517 Value ($000) $488 Avg Close $16.12 Range $14.11 - $20.10

Q2 2017

Shares 31,097 Value ($000) $512 Avg Close $18.56 Range $16.07 - $23.93

Q1 2017

Shares 30,797 Value ($000) $697 Avg Close $22.28 Range $21.03 - $23.40

Q4 2016

Shares 29,871 Value ($000) $674 Avg Close $20.91 Range $17.45 - $24.44

Q3 2016

Shares 31,933 Value ($000) $580 Avg Close $16.29 Range $13.48 - $18.18

Q2 2016

Shares 31,538 Value ($000) $441 Avg Close $13.59 Range $12.09 - $15.25

Q1 2016

Shares 27,973 Value ($000) $374 Avg Close $10.95 Range $8.70 - $14.73

Q4 2015

Shares 27,593 Value ($000) $299 Avg Close $10.84 Range $9.68 - $11.76

Q3 2015

Shares 25,618 Value ($000) $256 Avg Close $12.57 Range $9.91 - $16.45

Q2 2015

Shares 24,651 Value ($000) $394 Avg Close $17.19 Range $14.76 - $19.52

Q1 2015

Shares 28,456 Value ($000) $510 Avg Close $17.39 Range $13.31 - $18.80

Q4 2014

Shares 24,056 Value ($000) $357 Avg Close $13.09 Range $11.62 - $15.24

Q3 2014

Shares 24,706 Value ($000) $312 Avg Close $19.84 Range $12.26 - $22.66

Q2 2014

Shares 24,706 Value ($000) $524 Avg Close $19.12 Range $16.60 - $21.77

Q1 2014

Shares 22,646 Value ($000) $411 Avg Close $22.07 Range $17.21 - $26.73

Q4 2013

Shares 23,866 Value ($000) $611 Avg Close $22.99 Range $20.12 - $25.90

Q3 2013

Shares 23,966 Value ($000) $509 Avg Close $20.57 Range $18.09 - $22.20

Q2 2013

Shares 24,199 Value ($000) $446 Avg Close $17.41 Range $14.95 - $19.03

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	82,477	$2,353	$27.67	$23.55 - $32.31
Q3 2025	86,918	$2,244	$21.84	$18.12 - $26.59
Q2 2025	132,343	$2,829	$18.93	$15.91 - $21.57
Q1 2025	85,435	$1,633	$24.54	$18.50 - $29.50
Q4 2024	104,302	$2,824	$30.15	$26.94 - $33.42
Q3 2024	93,745	$2,970	$32.46	$27.69 - $39.70
Q2 2024	85,710	$3,118	$33.44	$29.21 - $37.16
Q1 2024	86,388	$2,909	$32.80	$28.99 - $35.89
Q4 2023	86,157	$2,769	$30.32	$26.12 - $34.09
Q3 2023	86,619	$2,806	$38.29	$30.80 - $48.02
Q2 2023	86,744	$3,912	$40.80	$32.25 - $45.80
Q1 2023	86,266	$4	$35.04	$27.23 - $42.50
Q4 2022	81,037	$2	$27.01	$21.36 - $32.56
Q3 2022	81,380	$1,996	$25.27	$20.16 - $30.31
Q2 2022	77,774	$1,673	$23.11	$19.34 - $28.11
Q1 2022	83,456	$2,326	$27.92	$23.73 - $32.80
Q4 2021	83,858	$2,666	$27.81	$22.46 - $33.78
Q3 2021	84,226	$1,941	$20.60	$17.29 - $24.20
Q2 2021	94,259	$1,714	$17.92	$16.70 - $19.76
Q1 2021	86,244	$1,533	$19.82	$16.44 - $23.50
Q4 2020	85,241	$1,841	$20.99	$18.51 - $23.42
Q3 2020	80,840	$1,513	$20.60	$18.18 - $26.42
Q2 2020	84,165	$1,646	$16.25	$11.05 - $19.64
Q1 2020	98,493	$1,154	$14.77	$8.61 - $18.41
Q4 2019	93,823	$1,585	$15.34	$12.53 - $17.42
Q3 2019	89,715	$1,173	$12.62	$11.16 - $13.84
Q2 2019	82,753	$1,086	$12.83	$11.77 - $14.00
Q1 2019	80,247	$991	$11.05	$8.24 - $13.53
Q4 2018	80,150	$676	$8.48	$7.56 - $9.45
Q3 2018	65,727	$594	$10.06	$8.10 - $12.66
Q2 2018	65,631	$786	$11.94	$9.62 - $13.84
Q1 2018	62,744	$732	$13.29	$11.07 - $16.76
Q4 2017	62,081	$975	$16.06	$14.12 - $18.48
Q3 2017	31,517	$488	$16.12	$14.11 - $20.10
Q2 2017	31,097	$512	$18.56	$16.07 - $23.93
Q1 2017	30,797	$697	$22.28	$21.03 - $23.40
Q4 2016	29,871	$674	$20.91	$17.45 - $24.44
Q3 2016	31,933	$580	$16.29	$13.48 - $18.18
Q2 2016	31,538	$441	$13.59	$12.09 - $15.25
Q1 2016	27,973	$374	$10.95	$8.70 - $14.73
Q4 2015	27,593	$299	$10.84	$9.68 - $11.76
Q3 2015	25,618	$256	$12.57	$9.91 - $16.45
Q2 2015	24,651	$394	$17.19	$14.76 - $19.52
Q1 2015	28,456	$510	$17.39	$13.31 - $18.80
Q4 2014	24,056	$357	$13.09	$11.62 - $15.24
Q3 2014	24,706	$312	$19.84	$12.26 - $22.66
Q2 2014	24,706	$524	$19.12	$16.60 - $21.77
Q1 2014	22,646	$411	$22.07	$17.21 - $26.73
Q4 2013	23,866	$611	$22.99	$20.12 - $25.90
Q3 2013	23,966	$509	$20.57	$18.09 - $22.20
Q2 2013	24,199	$446	$17.41	$14.95 - $19.03