ThredUp Inc. (TDUP) ownership: Top institutional holder: VANGUARD GROUP INC ($48.12M). Insider activity: Net Seller (0 buys, 20 sells). SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| VANGUARD GROUP INC | 7530479.00 | $48.12M | 2025-12-31 |
| NEEDHAM INVESTMENT MANAGEMENT LLC | 9275000.00 | $30.42M | 2026-03-31 |
| Capital World Investors | 8707600.00 | $28.56M | 2026-03-31 |
| BlackRock, Inc. | 8247367.00 | $27.05M | 2026-03-31 |
| MARSHALL WACE, LLP | 4896633.00 | $16.06M | 2026-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 4363211.00 | $14.31M | 2026-03-31 |
| Driehaus Capital Management LLC | 2162600.00 | $13.82M | 2025-12-31 |
| STATE STREET CORP | 3093964.00 | $10.15M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-07-20 | |
| Sell | null | 2026-07-20 | |
| Sell | null | 2026-07-20 | |
| Sell | null | 2026-07-20 | |
| Sell | null | 2026-07-20 | |
| Sell | null | 2026-06-02 | |
| Sell | null | 2026-06-02 | |
| Sell | null | 2026-06-02 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.