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	–	Sell	-2,000	Closed	-$46.1K	–	303
2026 Q1	$46.1K	Sell	2,000 -420,300	-100%	-$9.75M	﹤0.01%	242
2025 Q4	$8.48M	Buy	+422,300	New	+$9.48M	0.19%	47
2025 Q3	–	Sell	-3,000	Closed	-$73.2K	–	323
2025 Q2	$73.2K	Buy	+3,000	New	+$80.4K	0.01%	230
2025 Q1	–	Sell	-22,700	Closed	-$711K	–	388
2024 Q4	$711K	Buy	22,700 +22,500	+11,250%	+$577K	0.04%	145
2024 Q3	$4.59K	Buy	+200	New	+$4.57K	﹤0.01%	258
2024 Q2	–	Sell	-13,500	Closed	-$169K	–	335
2024 Q1	$169K	Sell	13,500 -16,500	-55%	-$239K	0.01%	272
2023 Q4	$526K	Buy	30,000 +25,300	+538%	+$371K	0.03%	209
2023 Q3	$77.4K	Sell	4,700 -6,700	-59%	-$133K	0.01%	257
2023 Q2	$276K	Sell	11,400 -28,300	-71%	-$636K	0.02%	164
2023 Q1	$914K	Buy	+39,700	New	+$791K	0.07%	109
2022 Q2	–	Sell	-30,000	Closed	-$1.25M	–	310
2022 Q1	$1.25M	Buy	+30,000	New	+$887K	0.11%	122
2021 Q4	–	Sell	-10,800	Closed	-$474K	–	342
2021 Q3	$474K	Sell	10,800 -7,600	-41%	-$347K	0.03%	219
2021 Q2	$985K	Buy	18,400 +5,600	+44%	+$272K	0.1%	120
2021 Q1	$607K	Buy	+12,800	New	+$378K	0.05%	181
2019 Q3	–	Sell	-40,000	Closed	-$55K	–	210
2019 Q2	$55K	Buy	+40,000	New	+$78.2K	﹤0.01%	212

Other funds holding GME

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Norges Bank Oslo, Norway $1T AUM

Susquehanna International Group Bala Cynwyd, Pennsylvania $1.28T AUM 58.89% 1-Year Est. Return

Charles Schwab San Francisco, California $751B AUM 38.74% 1-Year Est. Return

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.