Mariner
TDUP icon

Mariner’s ThredUp TDUP Stock Holding History

Mariner’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 		$1.67M Buy
244,113
+217,581
+820% +$1.02M ﹤0.01% 1605
2026
Q1 		$87K Buy
+26,532
New +$123K ﹤0.01% 3353
2023
Q4 		– Sell
-13,643
Closed -$54.7K – 3174
2023
Q3 		$54.7K Buy
+13,643
New +$46.3K ﹤0.01% 2765

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

Mariner's TDUP Position: Q2 2026 in Review

Mariner increased its ThredUp (TDUP) stake by 820% in Q2 2026, buying an estimated $1.02M and bringing the position to 244,113 shares worth $1.67M. The position accounts for ﹤0.01% of the portfolio, ranked #1605.

Mariner first reported a position in TDUP in Q3 2023 and has held it in 3 quarters since. 180 funds tracked by Wall St. Rank hold TDUP as of Q2 2026.

  • Mariner held 244,113 shares of ThredUp worth $1.67M as of Q2 2026.
  • Mariner bought 217,581 ThredUp shares in Q2 2026, an estimated $1.02M.
  • ThredUp made up ﹤0.01% of Mariner's portfolio in Q2 2026, its #1605 holding.
  • Mariner first reported a position in ThredUp in Q3 2023 and has held it in 3 quarters since.
  • 180 funds tracked by Wall St. Rank held ThredUp as of Q2 2026.

Based on Mariner's 13F filing for Q2 2026, filed 13 Aug 2026.