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ThredUp

174 hedge funds and large institutions have $336M invested in ThredUp in 2026 Q1 according to their latest regulatory filings, with 36 funds opening new positions, 68 increasing their positions, 46 reducing their positions, and 48 closing their positions.

New
Increased
Maintained
Reduced
Closed

56% more call options, than puts

Call options by funds: $539K | Put options by funds: $345K

48% more repeat investments, than reductions

Existing positions increased: 68 | Existing positions reduced: 46

5.41% more ownership

Funds ownership: 90.82%96.23% (+5.4%)

7% less funds holding

Funds holding: 188174 (-14)

25% less first-time investments, than exits

New positions opened: 36 | Existing positions closed: 48

44% less capital invested

Capital invested by funds: $605M → $336M (-$269M)

100% less funds holding in top 10

Funds holding in top 10: 10 (-1)

Holders
174
Holders Change
-14
Holders Change %
-7.45%
% of All Funds
2.14%
Holding in Top 10
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-100%
% of All Funds
New
36
Increased
68
Reduced
46
Closed
48
Calls
$539K
Puts
$345K
Net Calls
+$194K
Net Calls Change
-$3.71M
Name Holding Trade Value Shares
Change
Change in
Stake
NIM
1
Needham Investment Management
New York
$30.4M +$14.8M +3,200,000 +53%
Capital World Investors
2
Capital World Investors
California
$28.6M
BlackRock
3
BlackRock
New York
$27.1M -$304K -65,563 -0.8%
Marshall Wace
4
Marshall Wace
United Kingdom
$16.1M +$331K +71,382 +1%
VCM
5
Vanguard Capital Management
Pennsylvania
$14.3M +$20.2M +4,363,211 New
State Street
6
State Street
Massachusetts
$10.1M +$962K +207,547 +7%
Fidelity Investments
7
Fidelity Investments
Massachusetts
$10M -$421K -90,696 -3%
Arrowstreet Capital
8
Arrowstreet Capital
Massachusetts
$9.73M +$2.2M +473,907 +19%
Acadian Asset Management
9
Acadian Asset Management
Massachusetts
$9.71M +$3.39M +730,509 +33%
Qube Research & Technologies (QRT)
10
Qube Research & Technologies (QRT)
United Kingdom
$8.97M +$5.47M +1,179,600 +76%
VPM
11
Vanguard Portfolio Management
Pennsylvania
$8.04M +$11.4M +2,450,696 New
GGHC
12
Gilder Gagnon Howe & Co
New York
$7.79M +$1.5M +322,778 +16%
Geode Capital Management
13
Geode Capital Management
Massachusetts
$7.73M -$285K -61,555 -3%
Two Sigma Investments
14
Two Sigma Investments
New York
$7.29M +$6.11M +1,318,145 +146%
Goldman Sachs
15
Goldman Sachs
New York
$6.84M +$2.61M +562,338 +37%
William Blair & Company
16
William Blair & Company
Illinois
$6.83M +$2.67M +576,399 +38%
CI Investments Inc
17
CI Investments Inc
Ontario, Canada
$5.94M +$8.39M +1,810,000 New
WCM
18
Woodson Capital Management
Connecticut
$5.56M -$487K -105,000 -6%
Millennium Management
19
Millennium Management
New York
$5.52M -$1.15M -247,441 -13%
Squarepoint
20
Squarepoint
New York
$5.41M +$4.93M +1,063,003 +181%
ZDA
21
Zweig-DiMenna Associates
New York
$4.77M +$4.25M +916,000 +170%
Renaissance Technologies
22
Renaissance Technologies
New York
$4.63M -$4.09M -881,300 -38%
UBS Group
23
UBS Group
Switzerland
$4.5M +$4.64M +1,001,289 +270%
B
24
BloombergSen
Ontario, Canada
$4.43M +$357K +76,957 +6%
TI
25
Trexquant Investment
Connecticut
$4.32M +$1.5M +323,420 +33%

TDUP Hedge Fund Activity: Q1 2026 in Review

174 of the 8,126 institutional investors tracked by Wall St. Rank reported a position in ThredUp (TDUP) for Q1 2026, worth a combined $336M — down 44% from $605M a quarter earlier.

Sellers outnumbered buyers: 48 funds closed out of TDUP and 36 opened new positions — a net loss of 12 holders — while 46 trimmed existing stakes and 68 added.

The largest buyer was Needham Investment Management, adding an estimated $14.8M. The largest seller was Driehaus Capital Management, exiting entirely with an estimated $13.8M sold.

  • 174 institutional investors held ThredUp (TDUP) as of Q1 2026, down from 188 in Q4 2025.
  • Funds reported $336M of ThredUp stock for Q1 2026, down 44% quarter-over-quarter.
  • 36 funds opened new ThredUp positions in Q1 2026 and 48 closed out, a net change of -12 holders.
  • The largest ThredUp buyer in Q1 2026 was Needham Investment Management, an estimated $14.8M added.
  • The largest ThredUp seller in Q1 2026 was Driehaus Capital Management, an estimated $13.8M sold.

Based on aggregated 13F filings for Q1 2026.