PDF SOLUTIONS INC

PublicCIK: 1120914
PDFSNASDAQ
Location

SANTA CLARA, CA

13F Filings

Institutional Holders

PDF SOLUTIONS INCPDFS— Latest position per institution from SEC 13F filings

15

Institutional holders

35.04M

Total shares held

1.89B

Estimated value

1.75M

Avg. position size

1

BLACKROCK, INC.

CIK 2012383

Shares

5.55M

Value

392.91M

Filed

Jun 30, 2026

2

BLACKROCK FINANCE, INC.

CIK 1364742

Shares

4.81M

Value

174.87M

Filed

Jun 30, 2024

3

VANGUARD GROUP INC

CIK 102909

Shares

3.09M

Value

88.14M

Filed

Dec 31, 2025

4

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM

CIK 1081019

Shares

2.56M

Value

36.13K

Filed

Jun 30, 2026

5

NEEDHAM INVESTMENT MANAGEMENT LLC

CIK 1167212

Shares

2.06M

Value

146.18M

Filed

Jun 30, 2026

6

VANGUARD CAPITAL MANAGEMENT LLC

CIK 2100119

Shares

1.66M

Value

117.81M

Filed

Jun 30, 2026

7

VANGUARD PORTFOLIO MANAGEMENT LLC

CIK 2100121

Shares

1.46M

Value

103.19M

Filed

Jun 30, 2026

8

STATE STREET CORP

CIK 93751

Shares

1.39M

Value

98.15M

Filed

Jun 30, 2026

9

WASATCH ADVISORS LP

CIK 814133

Shares

1.38M

Value

97.74M

Filed

Jun 30, 2026

10

BARROW HANLEY MEWHINNEY & STRAUSS LLC

CIK 313028

Shares

1.32M

Value

93.42M

Filed

Jun 30, 2026

11

RANGER INVESTMENT MANAGEMENT, L.P.

CIK 1319691

Shares

1.15M

Value

81.38M

Filed

Jun 30, 2026

12

SAMJO CAPITAL LLC

CIK 1509943

Shares

1.10M

Value

35.68M

Filed

Sep 30, 2023

13

JANUS HENDERSON GROUP LTD.

CIK 1274173

Shares

1.04M

Value

33.88M

Filed

Mar 31, 2026

14

SNYDER CAPITAL MANAGEMENT L P

CIK 1050477

Shares

1.03M

Value

73.20M

Filed

Jun 30, 2026

15

COWEN PRIME ADVISORS LLC

CIK 1875920

Shares

940.17K

Value

42.40M

Filed

Jun 30, 2023

16

JUPITER TOPCO LLC

CIK 2146052

Shares

927.78K

Value

65.68M

Filed

Jun 30, 2026

17

JPMORGAN CHASE & CO

CIK 19617

Shares

927.27K

Value

61.13M

Filed

Jun 30, 2026

18

GEODE CAPITAL MANAGEMENT, LLC

CIK 1214717

Shares

917.96K

Value

65M

Filed

Jun 30, 2026

19

EMERALD ADVISERS, LLC

CIK 1015083

Shares

884.29K

Value

62.60M

Filed

Jun 30, 2026

20

DIMENSIONAL FUND ADVISORS LP

CIK 354204

Shares

841.19K

Value

59.54M

Filed

Jun 30, 2026

Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.