Needham Investment Management Llc - Sep 30, 2025 SCHEDULE 13G Report for PDF Solutions, Inc. Common Stock, $0.00015 par value (PDFS)

Filing Manager
Needham Investment Management Llc
Reporting Manager
NEEDHAM INVESTMENT MANAGEMENT L.L.C.
Security
PDF Solutions, Inc. Common Stock, $0.00015 par value
Symbol
PDFS
Shares outstanding
39.6M shares
Disclosed Ownership
2.02M shares
Ownership
5.1%
Form type
SCHEDULE 13G
Date filed
11/13/2025, 05:48 PM
Date of event
Sep 30, 2025
SEC
View on sec.gov

Reporting Managers (6)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
NEEDHAM INVESTMENT MANAGEMENT L.L.C. 5.1% 2.02M 0 2.02M By: /s/ James W. Giangrasso James W. Giangrasso, Chief Financial Officer
NEEDHAM ASSET MANAGEMENT, LLC 5.1% 2.02M 0 2.02M By: /s/ James W. Giangrasso James W. Giangrasso, Authorized Person
NEEDHAM AGGRESSIVE GROWTH FUND 3.5% 1.39M 0 1.39M By: /s/ James W. Giangrasso James W. Giangrasso, Chief Financial Officer
NEEDHAM GROWTH FUND 0.7% 294K 0 294K By: /s/ James W. Giangrasso James W. Giangrasso, Chief Financial Officer
NEEDHAM SMALL CAP GROWTH FUND 0.9% 340K 0 340K By: /s/ James W. Giangrasso James W. Giangrasso, Chief Financial Officer
GEORGE A. NEEDHAM 5.1% 2.02M 0 2.02M By: /s/ George A. Needham George A. Needham