Beneficial Ownership Report · SCHEDULE 13G
PDF Solutions, Inc.
PDFSNASDAQEQUITYCurrent
Beneficial Ownership Report
Structured filing — SCHEDULE 13G
primary_doc.xml
Subject company
- Company
- PDF Solutions Inc
- Company CIK
- 0001120914
- Street
- 2858 De La Cruz Blvd.
- City
- Santa Clara
- State / country code
- CA
- Postal code
- 95050
Statement details
- Security class
- Common Stock SH
- Event date
- 09/30/2026
- Rule designation
- Rule 13d-1(b)
Reporting person 1
- Name
- Wasatch Advisors LP
- Citizenship / organization
- DE
- Reporting person type
- IA
- Group designation
- a
- Aggregate amount owned
- 2,646,572.00
- Percent of class
- 6.3
- Sole voting power
- 1,852,275.00
- Shared voting power
- 0
- Sole dispositive power
- 2,646,572.00
- Shared dispositive power
- 0
Item 1
Issuer
PDF Solutions Inc
Principal executive office address
2858 De La Cruz Blvd., Santa Clara, US-CA, 95050, US
Item 2
Citizenship
DELAWARE
Filing person
Wasatch Advisors LP
Principal business or residence address
505 Wakara Way, 3rd Floor, Salt Lake City, 84108, United States
Item 3
Not applicable indication
N
Type of filing person
IA
Item 4
Percent of class
6.3
Amount beneficially owned
2,646,572
Sole voting power
1,852,275
Shared voting power
0
Sole dispositive power
2,646,572
Shared dispositive power
0
Item 5
Not applicable indication
Y
Ownership of 5% or less
N
Item 6
Not applicable indication
Y
Item 7
Not applicable indication
Y
Item 8
Not applicable indication
Y
Item 9
Not applicable indication
Y
Item 10
Not applicable indication
N
Certifications
By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11.
Signature 1
- Reporting person
- Wasatch Advisors LP
- Signed
- Mike Yeates
- Title
- CEO
- Date
- 10/09/2026
Company context
PDF Solutions (Nasdaq: PDFS) provides comprehensive data solutions designed to empower organizations across the semiconductor and electronics industry ecosystems to improve the yield and quality of their products and operational efficiency for increased profitability. The Company’s products and services are used by Fortune 500 companies across the semiconductor ecosystem to achieve smart manufacturing goals by connecting and controlling equipment, collecting data generated during manufacturing and test operations, and performing advanced analytics and machine learning to enable profitable, high-volume manufacturing.