OAKLAND, CA
THREDUP INC.TDUP— Latest position per institution from SEC 13F filings
15
Institutional holders
81.46M
Total shares held
247.38M
Estimated value
4.07M
Avg. position size
NEEDHAM INVESTMENT MANAGEMENT LLC
CIK 1167212
Shares
9.28M
Value
30.42M
Filed
Mar 31, 2026
CAPITAL WORLD INVESTORS
CIK 1422849
Shares
8.71M
Value
28.56M
Filed
Mar 31, 2026
BLACKROCK, INC.
CIK 2012383
Shares
8.25M
Value
27.05M
Filed
Mar 31, 2026
VANGUARD GROUP INC
CIK 102909
Shares
7.53M
Value
48.12M
Filed
Dec 31, 2025
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
5.14M
Value
8.74M
Filed
Jun 30, 2024
MARSHALL WACE, LLP
CIK 1318757
Shares
4.90M
Value
16.06M
Filed
Mar 31, 2026
BARES CAPITAL MANAGEMENT, INC.
CIK 1340807
Shares
4.25M
Value
7.22M
Filed
Jun 30, 2024
STATE STREET CORP
CIK 93751
Shares
3.09M
Value
10.15M
Filed
Mar 31, 2026
FMR LLC
CIK 315066
Shares
3.06M
Value
10.05M
Filed
Mar 31, 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
CIK 1164508
Shares
2.97M
Value
9.73M
Filed
Mar 31, 2026
ACADIAN ASSET MANAGEMENT LLC
CIK 916542
Shares
2.96M
Value
9.71K
Filed
Mar 31, 2026
QUBE RESEARCH & TECHNOLOGIES LTD
CIK 1729829
Shares
2.74M
Value
8.97M
Filed
Mar 31, 2026
T. ROWE PRICE INVESTMENT MANAGEMENT, INC.
CIK 1897612
Shares
2.60M
Value
3.40K
Filed
Dec 31, 2022
RIVERBRIDGE PARTNERS LLC
CIK 1112325
Shares
2.45M
Value
4.50K
Filed
Sep 30, 2022
GILDER GAGNON HOWE & CO LLC
CIK 902464
Shares
2.38M
Value
7.79M
Filed
Mar 31, 2026
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
2.36M
Value
7.73M
Filed
Mar 31, 2026
UPFRONT VENTURES MANAGEMENT, LLC
CIK 1852894
Shares
2.32M
Value
5.66M
Filed
Jun 30, 2023
TWO SIGMA INVESTMENTS, LP
CIK 1179392
Shares
2.22M
Value
7.29M
Filed
Mar 31, 2026
DRIEHAUS CAPITAL MANAGEMENT LLC
CIK 938206
Shares
2.16M
Value
13.82M
Filed
Dec 31, 2025
STACKLINE PARTNERS LP
CIK 1742654
Shares
2.11M
Value
3.88K
Filed
Sep 30, 2022
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | NEEDHAM INVESTMENT MANAGEMENT LLC | 1167212 | 9.28M | 30.42M | Mar 31, 2026 |
| 2 | CAPITAL WORLD INVESTORS | 1422849 | 8.71M | 28.56M | Mar 31, 2026 |
| 3 | BLACKROCK, INC. | 2012383 | 8.25M | 27.05M | Mar 31, 2026 |
| 4 | VANGUARD GROUP INC | 102909 | 7.53M | 48.12M | Dec 31, 2025 |
| 5 | BLACKROCK FINANCE, INC. | 1364742 | 5.14M | 8.74M | Jun 30, 2024 |
| 6 | MARSHALL WACE, LLP | 1318757 | 4.90M | 16.06M | Mar 31, 2026 |
| 7 | BARES CAPITAL MANAGEMENT, INC. | 1340807 | 4.25M | 7.22M | Jun 30, 2024 |
| 8 | STATE STREET CORP | 93751 | 3.09M | 10.15M | Mar 31, 2026 |
| 9 | FMR LLC | 315066 | 3.06M | 10.05M | Mar 31, 2026 |
| 10 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 1164508 | 2.97M | 9.73M | Mar 31, 2026 |
| 11 | ACADIAN ASSET MANAGEMENT LLC | 916542 | 2.96M | 9.71K | Mar 31, 2026 |
| 12 | QUBE RESEARCH & TECHNOLOGIES LTD | 1729829 | 2.74M | 8.97M | Mar 31, 2026 |
| 13 | T. ROWE PRICE INVESTMENT MANAGEMENT, INC. | 1897612 | 2.60M | 3.40K | Dec 31, 2022 |
| 14 | RIVERBRIDGE PARTNERS LLC | 1112325 | 2.45M | 4.50K | Sep 30, 2022 |
| 15 | GILDER GAGNON HOWE & CO LLC | 902464 | 2.38M | 7.79M | Mar 31, 2026 |
| 16 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 2.36M | 7.73M | Mar 31, 2026 |
| 17 | UPFRONT VENTURES MANAGEMENT, LLC | 1852894 | 2.32M | 5.66M | Jun 30, 2023 |
| 18 | TWO SIGMA INVESTMENTS, LP | 1179392 | 2.22M | 7.29M | Mar 31, 2026 |
| 19 | DRIEHAUS CAPITAL MANAGEMENT LLC | 938206 | 2.16M | 13.82M | Dec 31, 2025 |
| 20 | STACKLINE PARTNERS LP | 1742654 | 2.11M | 3.88K | Sep 30, 2022 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.