William Blair & Company
TDUP icon

William Blair & Company’s ThredUp TDUP Stock Holding History

William Blair & Company’s Portfolio TDUP Stock Details TDUP Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$15M Buy
2,195,729
+113,175
+5% +$529K 0.04% 304
2026
Q1 		$6.83M Buy
2,082,554
+576,399
+38% +$2.67M 0.02% 431
2025
Q4 		$9.62M Buy
1,506,155
+71,802
+5% +$581K 0.03% 364
2025
Q3 		$13.6M Sell
1,434,353
-1,210,692
-46% -$11.5M 0.04% 293
2025
Q2 		$19.8M Sell
2,645,045
-324,680
-11% -$1.91M 0.06% 230
2025
Q1 		$7.16M Buy
2,969,725
+939,449
+46% +$2.16M 0.02% 400
2024
Q4 		$2.82M Sell
2,030,276
-180,794
-8% -$203K 0.01% 640
2024
Q3 		$1.86M Buy
2,211,070
+1,299,418
+143% +$1.59M 0.01% 728
2024
Q2 		$1.55M Buy
911,652
+674,852
+285% +$1.23M ﹤0.01% 756
2024
Q1 		$474K Buy
236,800
+207,300
+703% +$423K ﹤0.01% 1099
2023
Q4 		$66.4K Buy
29,500
+17,500
+146% +$45.5K ﹤0.01% 1561
2023
Q3 		$48.1K Buy
+12,000
New +$40.7K ﹤0.01% 1591

Other funds holding TDUP

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
NIM
Needham Investment Management New York $3.33B AUM 163.16% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
GGHC
Gilder Gagnon Howe & Co New York $9.69B AUM 55.7% 1-Year Est. Return
DSCM
Divisadero Street Capital Management Miami, Florida $4.41B AUM 90.53% 1-Year Est. Return
Marshall Wace
Marshall Wace London, United Kingdom $127B AUM 46.06% 1-Year Est. Return
Arrowstreet Capital
Arrowstreet Capital Boston, Massachusetts $225B AUM 49.49% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

William Blair & Company's TDUP Position: Q2 2026 in Review

William Blair & Company increased its ThredUp (TDUP) stake by 5.4% in Q2 2026, buying an estimated $529K and bringing the position to 2,195,729 shares worth $15M. The position accounts for 0.04% of the portfolio, ranked #304.

William Blair & Company first reported a position in TDUP in Q3 2023 and has held it in 12 quarters since. The position peaked at $19.8M in Q2 2025. 180 funds tracked by Wall St. Rank hold TDUP as of Q2 2026.

  • William Blair & Company held 2,195,729 shares of ThredUp worth $15M as of Q2 2026.
  • William Blair & Company bought 113,175 ThredUp shares in Q2 2026, an estimated $529K.
  • ThredUp made up 0.04% of William Blair & Company's portfolio in Q2 2026, its #304 holding.
  • William Blair & Company first reported a position in ThredUp in Q3 2023 and has held it in 12 quarters since.
  • William Blair & Company's ThredUp position peaked at $19.8M in Q2 2025.
  • 180 funds tracked by Wall St. Rank held ThredUp as of Q2 2026.

Based on William Blair & Company's 13F filing for Q2 2026, filed 11 Aug 2026.