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Equibles

TDUP

ThredUp Inc.

Company with tickers: TDUP

CIK
1484778
CUSIP
88556E102
Shares Outstanding
108,372,115
13F Activity (30d)
146 filings 141 filers

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 174
Total Value: $336,475,273
Total Shares: 102,583,957
Showing 1–100 of 178 holdings by value · page 1 of 2

Institutional Ownership Trend

21 quarters

Holder Concentration

Across 174 13F filers · Δ vs Dec 31, 2025
Top Holder
9.0%
Jun 2023 → Mar 2026 · range 9.0% – 16.7%
−0.1 pts
Top 5
34.6%
Jun 2023 → Mar 2026 · range 34.6% – 57.3%
−2.5 pts
Top 10
49.0%
Jun 2023 → Mar 2026 · range 49.0% – 82.6%
−1.9 pts
HHI
367
Jun 2023 → Mar 2026 · range 367 – 845
Broadly held −12

Quarterly Activity

vs Dec 31, 2025
New
34
Increased
68
Decreased
48
Sold Out
51
Unchanged
24
Holder count: -17
Institutional value: -44.9%
Shares held: +7.3%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open
Mid NEEDHAM INVESTMENT MANAGEMENT LLC +3,200,000 9,275,000
Mega TWO SIGMA INVESTMENTS, LP +1,318,145 2,223,507
Large Qube Research & Technologies Ltd +1,179,600 2,735,898
Large Squarepoint Ops LLC +1,063,003 1,650,090
Mega UBS Group AG +1,001,289 1,372,117

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open
Large RENAISSANCE TECHNOLOGIES LLC −881,300 1,411,553
Mid LANDSCAPE CAPITAL MANAGEMENT, L.L.C. −759,890 40,220
Mid Jump Financial, LLC −555,051 84,582
Mega JPMORGAN CHASE & CO −439,859 45,230
Mega BNP PARIBAS ARBITRAGE, SA −431,666 312,922

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open
Mega VANGUARD CAPITAL MANAGEMENT LLC 4,363,211 $14,311,332
Mega VANGUARD PORTFOLIO MANAGEMENT LLC 2,450,696 $8,038,282
Large CI INVESTMENTS INC. 1,810,000 $5,936,800
Mega FIL Ltd 1,000,000 $3,280,000
Mega VANGUARD FIDUCIARY TRUST CO 704,310 $2,310,136

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Mega VANGUARD GROUP INC 7,530,479 $48,119,758
Large Driehaus Capital Management LLC 2,162,600 $13,819,014
Large TWO SIGMA ADVISERS, LP 752,900 $4,811,031
Large LORD, ABBETT & CO. LLC 741,200 $4,736,268
Mid MAVERICK CAPITAL LTD 691,689 $4,419,892
Filter: New 34 Increased 68 Reduced 48 Sold out 51 Unchanged 24
Showing 100 of 178
All Common Calls Puts
Export CSV
Holder Value (USD) % of 13F Shares Open
Mid NEEDHAM INVESTMENT MANAGEMENT LLC $30,422,000 9.04% 9,275,000
Mega Capital World Investors $28,560,928 8.49% 8,707,600
Mega BlackRock, Inc. $27,051,357 8.04% 8,247,367
Large MARSHALL WACE, LLP $16,060,956 4.77% 4,896,633
Mega VANGUARD CAPITAL MANAGEMENT LLC $14,311,332 4.25% 4,363,211
Mega STATE STREET CORP $10,148,201 3.02% 3,093,964
Mega FMR LLC $10,046,652 2.99% 3,063,004
Mega ARROWSTREET CAPITAL, LIMITED PARTNERSHIP $9,726,787 2.89% 2,965,484
Large ACADIAN ASSET MANAGEMENT LLC $9,717,800 2.89% 2,962,744
Large Qube Research & Technologies Ltd $8,973,745 2.67% 2,735,898
Mega VANGUARD PORTFOLIO MANAGEMENT LLC $8,038,282 2.39% 2,450,696
Mid GILDER GAGNON HOWE & CO LLC $7,790,406 2.32% 2,375,124
Mega GEODE CAPITAL MANAGEMENT, LLC $7,724,632 2.30% 2,355,071
Mega TWO SIGMA INVESTMENTS, LP $7,293,102 2.17% 2,223,507
Mega GOLDMAN SACHS GROUP INC $6,838,343 2.03% 2,084,861
Large BLAIR WILLIAM & CO/IL $6,830,777 2.03% 2,082,554
Large CI INVESTMENTS INC. $5,936,800 1.76% 1,810,000
Small Woodson Capital Management, LP $5,559,600 1.65% 1,695,000
Mega MILLENNIUM MANAGEMENT LLC $5,521,824 1.64% 1,683,483
Large Squarepoint Ops LLC $5,412,295 1.61% 1,650,090
Small Zweig-DiMenna Associates LLC $4,770,760 1.42% 1,454,500
Large RENAISSANCE TECHNOLOGIES LLC $4,629,893 1.38% 1,411,553
Mega UBS Group AG $4,500,543 1.34% 1,372,117
Mid BloombergSen Inc. $4,432,086 1.32% 1,351,246
Large Trexquant Investment LP $4,323,696 1.28% 1,318,200
Mega Nuveen, LLC $4,258,249 1.27% 1,298,247
Small Archon Capital Management LLC $4,061,050 1.21% 1,238,125
Large FEDERATED HERMES, INC. $3,647,185 1.08% 1,111,947
Mega AQR CAPITAL MANAGEMENT LLC $3,568,339 1.06% 1,087,909
Mega FIL Ltd $3,280,000 0.97% 1,000,000
Large Connor, Clark & Lunn Investment Management Ltd. $3,265,151 0.97% 995,473
Mid Divisadero Street Capital Management, LP $3,260,152 0.97% 993,949
Mega CITADEL ADVISORS LLC $3,159,344 0.94% 963,215
Large TUDOR INVESTMENT CORP ET AL $3,122,842 0.93% 952,086
Mid TOCQUEVILLE ASSET MANAGEMENT L.P. $2,886,400 0.86% 880,000
Mega NORTHERN TRUST CORP Bank $2,882,561 0.86% 878,830
Small Onex Canada Asset Management Inc. $2,828,940 0.84% 862,482
Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC $2,624,068 0.78% 800,021
Mega VANGUARD FIDUCIARY TRUST CO Bank $2,310,136 0.69% 704,310
Mid GMT Capital Corp $2,301,248 0.68% 701,600
Mega MORGAN STANLEY $2,161,428 0.64% 658,973
Large PANAGORA ASSET MANAGEMENT INC $2,112,966 0.63% 644,197
Mid READYSTATE ASSET MANAGEMENT LP $1,663,793 0.49% 507,254
Large Point72 Asset Management, L.P. $1,482,740 0.44% 452,055
Mid XTX Topco Ltd $1,438,171 0.43% 438,467
Large Empowered Funds, LLC $1,338,315 0.40% 408,023
Mega CANADA PENSION PLAN INVESTMENT BOARD Pension $1,245,416 0.37% 379,700
Mega BANK OF AMERICA CORP /DE/ Bank $1,132,757 0.34% 345,353
Mega BNP PARIBAS ARBITRAGE, SA $1,026,384 0.31% 312,922
Mega Bank of New York Mellon Corp Bank $992,537 0.29% 302,603
Large LOS ANGELES CAPITAL MANAGEMENT LLC $964,920 0.29% 294,183
Small Dynamic Technology Lab Private Ltd $816,365 0.24% 248,892
Large Man Group plc $775,349 0.23% 236,387
Mid Engineers Gate Manager LP $708,624 0.21% 216,044
Mid GSA CAPITAL PARTNERS LLP $658,191 0.20% 200,668
Mega Swiss National Bank Bank $627,792 0.19% 191,400
Mega JANE STREET GROUP, LLC $591,419 0.18% 180,311
Large SEI INVESTMENTS CO $582,674 0.17% 177,645
Large PEAK6 LLC $580,910 0.17% 177,107
Small DIKER MANAGEMENT LLC $526,620 0.16% 160,555
Large STATE OF WISCONSIN INVESTMENT BOARD $521,401 0.15% 158,964
Mid Farther Finance Advisors, LLC $475,632 0.14% 145,010
Mega UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC $433,932 0.13% 132,297
Large ExodusPoint Capital Management, LP $379,955 0.11% 115,840
Mega WELLS FARGO & COMPANY/MN $369,127 0.11% 112,539
Mega RHUMBLINE ADVISERS $368,793 0.11% 112,437
Small Byrne Asset Management LLC $360,800 0.11% 110,000
Mega ROYAL BANK OF CANADA Bank $331,482 0.10% 101,062
Mid DRW Securities, LLC Broker-Dealer $314,014 0.09% 95,736
Large CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM Pension $303,560 0.09% 92,549
Mega ALLIANCEBERNSTEIN L.P. $293,592 0.09% 89,510
Mega CITADEL ADVISORS LLC $282,080 0.08% 86,000
Mid Jump Financial, LLC $277,428 0.08% 84,582
Mega Invesco Ltd. $274,691 0.08% 83,748
Mega DEUTSCHE BANK AG\ Bank $264,590 0.08% 80,668
Micro Axim Planning & Wealth $253,675 0.08% 77,340
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $246,054 0.07% 75,017
Mega D. E. Shaw & Co., Inc. $240,961 0.07% 73,464
Large IEQ CAPITAL, LLC $235,083 0.07% 71,672
Mega Legal & General Group Plc $231,209 0.07% 70,491
Small Crawford Fund Management, LLC $229,928 0.07% 70,100
Mega PRICE T ROWE ASSOCIATES INC /MD/ $224,440 0.07% 68,427
Large Cetera Investment Advisers $218,697 0.06% 66,676
Mid Utah Retirement Systems Pension $207,443 0.06% 63,245
Small Simplicity Wealth,LLC $205,741 0.06% 62,726
Small Round Rock Advisors LLC $195,163 0.06% 59,501
Mega VANGUARD ASSET MANAGEMENT, Ltd $193,221 0.06% 58,909
Small AXQ CAPITAL, LP $188,573 0.06% 57,492
Large SG Americas Securities, LLC Broker-Dealer $166,761 0.05% 50,842
Large CWM, LLC $166,601 0.05% 50,793
Large Rafferty Asset Management, LLC $162,199 0.05% 49,451
Large MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. Mutual Fund $154,783 0.05% 47,190
Small Allegheny Financial Group $154,117 0.05% 46,987
Large Vontobel Holding Ltd. $150,217 0.04% 45,798
Mega JPMORGAN CHASE & CO $148,353 0.04% 45,230
Large Creative Planning $145,874 0.04% 44,474
Mid Skandinaviska Enskilda Banken AB (publ) $139,018 0.04% 42,384
Mid LANDSCAPE CAPITAL MANAGEMENT, L.L.C. $131,920 0.04% 40,220
Small Net Worth Advisory Group $131,780 0.04% 40,177
Mega Vanguard Global Advisers, LLC $131,665 0.04% 40,142

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