ThredUp Inc. (TDUP) Ownership
TDUP ownership summary
as of October 18, 2026- Institutions
- 98.2% of shares outstanding
- Insiders
- 5.96% of shares outstanding
- Shares outstanding
- 111.0M
- Float
- 104.3M shares available to trade
- Short interest
- 14.69% 15.5M shares short
- Days to cover
- 6.77 short interest down 27.2% vs prior month
- Institutions 98.18%
- Insiders 5.96%
TDUP top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | BlackRock Inc | 8.35% | 11.0M | $24.1M | +2.7M (+33.0%) | June 30, 2026 |
| 2 | Needham Investment Management, LLC | 7.75% | 10.2M | $22.4M | +900,000 (+9.7%) | June 30, 2026 |
| 3 | Capital World Investors | 6.81% | 8.9M | $19.7M | +232,370 (+2.7%) | June 30, 2026 |
| 4 | AQR Capital Management LLC | 3.92% | 5.2M | $11.3M | +4.1M (+373.4%) | June 30, 2026 |
| 5 | Vanguard Capital Management, LLC | 3.41% | 4.5M | $9.9M | +114,130 (+2.6%) | June 30, 2026 |
| 6 | Gilder Gagnon Howe & CO LLC | 3.16% | 4.1M | $9.1M | +1.8M (+74.6%) | June 30, 2026 |
| 7 | Divisadero Street Capital Management, LP | 2.76% | 3.6M | $8.0M | +2.6M (+265.0%) | June 30, 2026 |
| 8 | Marshall Wace Asset Management Ltd | 2.67% | 3.5M | $7.7M | −1.4M (−28.3%) | June 30, 2026 |
| 9 | Arrowstreet Capital Limited Partnership | 2.55% | 3.4M | $7.4M | +389,929 (+13.1%) | June 30, 2026 |
| 10 | State Street Corp | 2.45% | 3.2M | $7.1M | +126,407 (+4.1%) | June 30, 2026 |
| 11 | The Goldman Sachs Group Inc | 2.33% | 3.1M | $6.7M | +973,210 (+46.7%) | June 30, 2026 |
| 12 | Geode Capital Management, LLC | 2.05% | 2.7M | $5.9M | +331,170 (+14.1%) | June 30, 2026 |
| 13 | Vanguard Portfolio Management, LLC | 1.73% | 2.3M | $5.0M | −176,011 (−7.2%) | June 30, 2026 |
| 14 | Two Sigma Investments LLC | 1.73% | 2.3M | $5.0M | +50,056 (+2.3%) | June 30, 2026 |
| 15 | Blair William & Co | 1.67% | 2.2M | $4.8M | +113,175 (+5.4%) | June 30, 2026 |
| 16 | FMR Inc | 1.62% | 2.1M | $4.7M | −936,732 (−30.6%) | June 30, 2026 |
| 17 | CI Investments Inc | 1.54% | 2.0M | $4.5M | +219,000 (+12.1%) | June 30, 2026 |
| 18 | Nuveen, LLC | 1.42% | 1.9M | $4.1M | +566,832 (+43.7%) | June 30, 2026 |
| 19 | D. E. Shaw & Co LP | 1.38% | 1.8M | $4.0M | +1.7M (+2,359.0%) | June 30, 2026 |
| 20 | Acadian Asset Management LLC | 1.32% | 1.7M | $3.8M | −1.2M (−41.7%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 16 holders added 16.9M shares and 4 cut 3.7M.
TDUP top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Needham Aggressive Growth Retail | 8.15% | 10.7M | $23.5M | +525,000 (+5.2%) | September 30, 2026 |
| 2 | American Funds SMALLCAP World A | 8.02% | 10.5M | $23.2M | +1.8M (+21.0%) | September 30, 2026 |
| 3 | Vanguard MStar Total Stk Mkt Idx Invest | 2.46% | 3.2M | $7.1M | +10,000 (+0.3%) | August 31, 2026 |
| 4 | iShares Russell 2000 ETF | 2.11% | 2.8M | $6.1M | −32,000 (−1.1%) | September 30, 2026 |
| 5 | Fidelity Enhanced Small Cap Core ETF | 1.53% | 2.0M | $4.4M | +4,212 (+0.2%) | September 30, 2026 |
| 6 | Columbia Small Cap Value Discv A | 1.22% | 1.6M | $3.5M | +1.6M (0.0%) | August 31, 2026 |
| 7 | Fidelity Climate Leadership F | 0.95% | 1.2M | $2.8M | — | June 30, 2026 |
| 8 | Fidelity Small Cap Index | 0.88% | 1.2M | $2.5M | +10,627 (+0.9%) | July 31, 2026 |
| 9 | iShares Russell 2000 Growth ETF | 0.74% | 975K | $2.1M | −1,234 (−0.1%) | September 30, 2026 |
| 10 | Heptagon Driehaus US Micro Cap Eq C$ Acc | 0.65% | 849K | $1.9M | −107,957 (−11.3%) | December 31, 2025 |
| 11 | United Cdn Equity Small Cap Pool Class W | 0.62% | 814K | $1.8M | — | June 30, 2026 |
| 12 | United Canadian Equity Sm Cap Corp Cl W | 0.60% | 784K | $1.7M | +431,000 (+122.3%) | March 31, 2026 |
| 13 | BlackRock Advantage Small Cap Core Instl | 0.58% | 764K | $1.7M | — | August 31, 2026 |
| 14 | ProShares Online Retail ETF | 0.51% | 669K | $1.5M | — | September 30, 2026 |
| 15 | Vanguard Russell 2000 ETF | 0.47% | 614K | $1.3M | +9,382 (+1.6%) | September 30, 2026 |
| 16 | Fidelity Global Innovators ETF Sr L | 0.45% | 586K | $1.3M | +62,755 (+12.0%) | December 31, 2025 |
| 17 | Schwab US Small-Cap ETF™ | 0.42% | 552K | $1.2M | +369 (+0.1%) | September 30, 2026 |
| 18 | Bridge Builder Small/Mid Cap Value | 0.39% | 518K | $1.1M | +518,348 (0.0%) | September 30, 2026 |
| 19 | Fidelity Extended Market Index | 0.39% | 506K | $1.1M | +1,590 (+0.3%) | August 31, 2026 |
| 20 | Vanguard Strategic Equity Inv | 0.36% | 471K | $1.0M | −190,865 (−28.8%) | June 30, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
TDUP insider transactions
latest 9| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2026-03-10 | Patricia Nakache | Buy | $3.73 | 13,157 | $49,076 |
| 2026-03-03 | Christopher Homer | Sell | $3.82 | 69,741 | $266,411 |
| 2026-03-03 | Sean Sobers | Sell | $3.82 | 56,504 | $215,845 |
| 2025-12-02 | Christopher Homer | Sell | $7.42 | 68,358 | $507,216 |
| 2025-12-02 | Sean Sobers | Sell | $7.42 | 51,220 | $380,052 |
| 2025-11-05 | Daniel J Nova | Buy | $8.04 | 65,000 | $522,600 |
| 2025-08-21 | Coretha M Rushing | Sell | $10.82 | 105,000 | $1.1M |
| 2025-08-07 | Sean Sobers | Sell | $10.04 | 50,000 | $502,000 |
| 2025-08-06 | Sean Sobers | Sell | $10.04 | 100,000 | $1.0M |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
TDUP shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns TDUP
Institutional investors own 98.2% of ThredUp's shares and insiders 5.96%. The largest holder is BlackRock Inc with 8.35% of the shares (11.0M), as of June 30, 2026. Among the top 20 institutions, 16 added shares and 4 reduced their stake in the latest filings. Short interest is 14.69% of the float, or 6.77 days of average trading volume. The share count rose 62.3% since 2017.
Related: TDUP analyst forecast, TDUP key metrics. See the TDUP stock overview for the latest quote and news.
TDUP ownership FAQ
Who owns the most ThredUp stock?
The largest shareholders of ThredUp are BlackRock Inc (8.35%), Needham Investment Management, LLC (7.75%), Capital World Investors (6.81%), AQR Capital Management LLC (3.92%), Vanguard Capital Management, LLC (3.41%).
What percentage of ThredUp is owned by institutions?
Institutions hold 98.2% of ThredUp's shares outstanding; insiders hold 5.96%.
Which funds own ThredUp?
The largest fund holders of ThredUp are Needham Aggressive Growth Retail (8.15%), American Funds SMALLCAP World A (8.02%), Vanguard MStar Total Stk Mkt Idx Invest (2.46%), iShares Russell 2000 ETF (2.11%), Fidelity Enhanced Small Cap Core ETF (1.53%).
What is ThredUp's short interest?
15.5M shares of ThredUp were sold short, 14.69% of the float; at the average daily volume it would take 6.77 days to cover.
Are insiders buying or selling ThredUp?
Of the latest 9 reported insider transactions in ThredUp (since August 6, 2025), 2 were purchases and 7 were sales.
How many shares of ThredUp are outstanding?
ThredUp has 111.0M shares outstanding, of which 104.3M are in the public float.