Quick Takeaways
- NEEDHAM INVESTMENT MANAGEMENT LLC filed SCHEDULE 13G/A for ThredUp Inc. Class A Common Stock, $0.0001 par value per share (TDUP).
- Disclosed ownership: 8.7%.
- Date of event: 31 Mar 2026.
NEEDHAM INVESTMENT MANAGEMENT LLC - 31 Mar 2026 SCHEDULE 13G/A Report for ThredUp Inc. Class A Common Stock, $0.0001 par value per share (TDUP)
- Filing Manager
- NEEDHAM INVESTMENT MANAGEMENT LLC
- Reporting Manager
- Needham Investment Management L.L.C.
- Symbol
- TDUP
- Shares outstanding
- 106,609,195 shares
- Disclosed Ownership
- 9,275,000 shares
- Ownership
- 8.7%
- Form type
- SCHEDULE 13G/A
- Filing time
- 14 May 2026, 18:55:06 UTC
- Date of event
- 31 Mar 2026
- Previous filing
- 13 Aug 2025
- SEC
- View on sec.gov
Quoteable Key Fact
"NEEDHAM INVESTMENT MANAGEMENT LLC disclosed 8.7% ownership in ThredUp Inc. Class A Common Stock, $0.0001 par value per share (TDUP) on 31 Mar 2026."
What Changed
- Previous schedule filing date: 13 Aug 2025.
- Current filing was accepted on 14 May 2026, 18:55.
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.
Source Evidence
Backed by Schedule 13D/13G
See Original Filing
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
Reporting Managers (4)
| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Needham Investment Management L.L.C. | 8.7% | 9,275,000 | 0 | 9,275,000 | /s/ James W. Giangrasso | James W. Giangrasso, Chief Financial Officer | |
| Needham Asset Management, LLC | 8.7% | 9,275,000 | 0 | 9,275,000 | /s/ James W. Giangrasso | James W. Giangrasso, Authorized Person | |
| Needham Aggressive Growth Fund | 8.7% | 9,275,000 | 0 | 9,275,000 | /s/ James W. Giangrasso | James W. Giangrasso, Authorized Person | |
| George A. Needham | 8.7% | 9,275,000 | 0 | 9,275,000 | /s/ George A. Needham | George A. Needham |