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Marathon Trading Investment Management’s GameStop GME Stock Holding History

Marathon Trading Investment Management’s Portfolio GME Stock Details GME Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$775K Sell
35,100
-6,500
-16% -$149K 0.02% 125
2026
Q1 		$958K Sell
41,600
-117,400
-74% -$2.72M 0.03% 92
2025
Q4 		$3.19M Buy
159,000
+73,900
+87% +$1.66M 0.07% 76
2025
Q3 		$2.32M Buy
85,100
+24,600
+41% +$583K 0.16% 79
2025
Q2 		$1.48M Buy
+60,500
New +$1.62M 0.18% 84
2025
Q1 		– Sell
-23,000
Closed -$721K – 387
2024
Q4 		$721K Buy
23,000
+22,000
+2,200% +$564K 0.04% 144
2024
Q3 		$22.9K Sell
1,000
-4,600
-82% -$105K ﹤0.01% 248
2024
Q2 		$138K Buy
5,600
+5,500
+5,500% +$109K 0.01% 197
2024
Q1 		$1.25K Sell
100
-70,500
-100% -$1.02M ﹤0.01% 344
2023
Q4 		$1.24M Buy
70,600
+63,200
+854% +$928K 0.06% 143
2023
Q3 		$122K Buy
+7,400
New +$147K 0.01% 244
2023
Q2 		– Sell
-19,300
Closed -$444K – 287
2023
Q1 		$444K Buy
+19,300
New +$384K 0.03% 138
2022
Q3 		– Sell
-10,800
Closed -$330K – 293
2022
Q2 		$330K Sell
10,800
-10,800
-50% -$344K 0.04% 187
2022
Q1 		$900K Buy
+21,600
New +$639K 0.08% 144
2021
Q4 		– Sell
-9,600
Closed -$421K – 340
2021
Q3 		$421K Buy
9,600
+1,200
+14% +$54.8K 0.03% 229
2021
Q2 		$450K Sell
8,400
-10,400
-55% -$504K 0.04% 178
2021
Q1 		$892K Buy
+18,800
New +$555K 0.08% 154
2015
Q1 		– Sell
-40,000
Closed -$338K – 526
2014
Q4 		$338K Buy
+40,000
New +$387K ﹤0.01% 457

Other funds holding GME

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Norges Bank
Norges Bank Oslo, Norway $1T AUM
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $1.28T AUM 58.89% 1-Year Est. Return
Charles Schwab
Charles Schwab San Francisco, California $751B AUM 38.74% 1-Year Est. Return
Northern Trust
Northern Trust Chicago, Illinois $860B AUM 41.15% 1-Year Est. Return

Marathon Trading Investment Management's GME Position: Q2 2026 in Review

Marathon Trading Investment Management increased its GameStop (GME) stake by 701% in Q2 2026, buying an estimated $468K and bringing the position to 23,311 shares worth $515K. The position accounts for 0.02% of the portfolio, ranked #143.

Marathon Trading Investment Management first reported a position in GME in Q1 2015 and has held it in 18 quarters since. The position peaked at $10.3M in Q2 2024. 374 funds tracked by Wall St. Rank hold GME as of Q2 2026.

  • Marathon Trading Investment Management held 23,311 shares of GameStop worth $515K as of Q2 2026.
  • Marathon Trading Investment Management bought 20,400 GameStop shares in Q2 2026, an estimated $468K.
  • GameStop made up 0.02% of Marathon Trading Investment Management's portfolio in Q2 2026, its #143 holding.
  • Marathon Trading Investment Management first reported a position in GameStop in Q1 2015 and has held it in 18 quarters since.
  • Marathon Trading Investment Management's GameStop position peaked at $10.3M in Q2 2024.
  • 374 funds tracked by Wall St. Rank held GameStop as of Q2 2026.

Based on Marathon Trading Investment Management's 13F filing for Q2 2026, filed 12 Aug 2026.