Quick Takeaways
- NEEDHAM INVESTMENT MANAGEMENT LLC filed SCHEDULE 13G for PDF Solutions, Inc. Common Stock, $0.00015 par value (PDFS).
- Disclosed ownership: 5.1%.
- Date of event: 30 Sep 2025.
NEEDHAM INVESTMENT MANAGEMENT LLC - 30 Sep 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.
- Symbol
- PDFS
- Shares outstanding
- 39,579,412 shares
- Disclosed Ownership
- 2,018,550 shares
- Ownership
- 5.1%
- Form type
- SCHEDULE 13G
- Filing time
- 13 Nov 2025, 17:48:49 UTC
- Date of event
- 30 Sep 2025
- Next filing
- 13 Feb 2026
- SEC
- View on sec.gov
Quoteable Key Fact
"NEEDHAM INVESTMENT MANAGEMENT LLC disclosed 5.1% ownership in PDF Solutions, Inc. Common Stock, $0.00015 par value (PDFS) on 30 Sep 2025."
What Changed
- No earlier schedule filing is available for direct comparison.
- Current filing was accepted on 13 Nov 2025, 17:48.
Why This Matters
- This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
- You can verify ownership claims directly against the original SEC filing.
Official SEC Source
Backed by Schedule 13D/13G
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
See Original FilingReporting Managers (6)
| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| NEEDHAM INVESTMENT MANAGEMENT L.L.C. | 5.1% | 2,018,550 | 0 | 2,018,550 | By: /s/ James W. Giangrasso | James W. Giangrasso, Chief Financial Officer | |
| NEEDHAM ASSET MANAGEMENT, LLC | 5.1% | 2,018,550 | 0 | 2,018,550 | By: /s/ James W. Giangrasso | James W. Giangrasso, Authorized Person | |
| NEEDHAM AGGRESSIVE GROWTH FUND | 3.5% | 1,385,000 | 0 | 1,385,000 | By: /s/ James W. Giangrasso | James W. Giangrasso, Chief Financial Officer | |
| NEEDHAM GROWTH FUND | 0.7% | 293,550 | 0 | 293,550 | By: /s/ James W. Giangrasso | James W. Giangrasso, Chief Financial Officer | |
| NEEDHAM SMALL CAP GROWTH FUND | 0.9% | 340,000 | 0 | 340,000 | By: /s/ James W. Giangrasso | James W. Giangrasso, Chief Financial Officer | |
| GEORGE A. NEEDHAM | 5.1% | 2,018,550 | 0 | 2,018,550 | By: /s/ George A. Needham | George A. Needham |