Who owns ThredUp Inc.?
Institutional ownership of TDUP from SEC Form 13F filings across 134 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
134
13F holders
$504.8M
value, 2026 filers
58.6%
of shares outstanding (75.6M sh)
23
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30· % of fund = share of the manager's own book · % of co. = share of TDUP's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 11.0M | $75.1M | 0.0% | 8.5% | +33.0% |
| 2 | Capital World Investors | 8.9M | $61.2M | 0.0% | 6.9% | +2.7% |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 4.5M | $30.7M | 0.0% | 3.5% | +2.6% |
| 4 | GILDER GAGNON HOWE & CO LLC | 4.1M | $28.4M | 0.3% | 3.2% | +74.6% |
| 5 | MARSHALL WACE, LLP | 3.5M | $24.1M | 0.0% | 2.7% | -28.3% |
| 6 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 3.4M | $23.0M | 0.0% | 2.6% | +13.1% |
| 7 | GOLDMAN SACHS GROUP INC | 3.1M | $20.9M | 0.0% | 2.4% | +46.7% |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | 2.7M | $18.4M | 0.0% | 2.1% | +14.1% |
| 9 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2.3M | $15.6M | 0.0% | 1.8% | -7.2% |
| 10 | TWO SIGMA INVESTMENTS, LP | 2.3M | $15.6M | 0.0% | 1.8% | +2.3% |
| 11 | BLAIR WILLIAM & CO/IL | 2.2M | $15.0M | 0.0% | 1.7% | +5.4% |
| 12 | FMR LLC | 2.1M | $14.6M | 0.0% | 1.6% | -30.6% |
| 13 | CI INVESTMENTS INC. | 2.0M | $13.9M | 0.0% | 1.6% | +12.1% |
| 14 | Nuveen, LLC | 1.9M | $12.8M | 0.0% | 1.4% | +43.7% |
| 15 | D. E. Shaw & Co., Inc. | 1.8M | $12.4M | 0.0% | 1.4% | +2359.0% |
| 16 | ACADIAN ASSET MANAGEMENT LLC | 1.7M | $11,823 | 0.0% | 1.3% | -41.7% |
| 17 | READYSTATE ASSET MANAGEMENT LP | 1.5M | $10.3M | 0.4% | 1.2% | +197.4% |
| 18 | FIL Ltd | 1.3M | $8.6M | 0.0% | 1% | +25.0% |
| 19 | NORTHERN TRUST CORP | 975,431 | $6.7M | 0.0% | 0.8% | +11.0% |
| 20 | MILLENNIUM MANAGEMENT LLC | 935,899 | $6.4M | 0.0% | 0.7% | -44.4% |
| 21 | TUDOR INVESTMENT CORP ET AL | 885,805 | $6.1M | 0.0% | 0.7% | -7.0% |
| 22 | Sixth Street Partners Management Company, L.P.NEW | 884,302 | $6.1M | 1.0% | 0.7% | new |
| 23 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 884,302 | $6.1M | 0.0% | 0.7% | +10.5% |
| 24 | TOCQUEVILLE ASSET MANAGEMENT L.P. | 880,000 | $6.0M | 0.1% | 0.7% | 0.0% |
| 25 | Connor, Clark & Lunn Investment Management Ltd. | 781,868 | $5.4M | 0.0% | 0.6% | -21.5% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.