Pdf Solutions INC Schedule 13G passive stakes
Filed when an investor crosses five percent without intending to seek control — the passive counterpart to a 13D.
NASDAQ
SCHEDULE: Advantest Exits PDF Solutions Ownership
Advantest Corporation and its subsidiary Advantest America, Inc. have filed an amendment confirming they no longer hold any beneficial ownership in PDF Solutions, Inc.
NASDAQ
Needham Investment Management L.L.C. and associated entities have reported a 5.1% beneficial ownership stake in PDF Solutions, Inc.
NASDAQ
The Vanguard Group has filed an amended Schedule 13G, reporting zero beneficial ownership in PDF Solutions Inc. following an internal realignment.
NASDAQ
Needham Investment Management and affiliated entities filed an amended Schedule 13G, reporting a collective 4.9% beneficial ownership in PDF Solutions, Inc. as of December 31, 2025.
NASDAQ
Needham Investment Management and related entities have reported a 5.1% beneficial ownership stake in PDF Solutions, Inc. as of September 30, 2025.
NASDAQ
John Kachig Kibarian, a reporting person, has disclosed a beneficial ownership of 6.5% of PDF Solutions, Inc.'s common stock, totaling 2,512,474 shares, as per a Schedule 13G Amendment No. 20 filing.