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John Overdeck’s Marathon Digital Holdings MARA Stock Holding History

John Overdeck’s Portfolio MARA Stock Details MARA Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$35.7M Buy
+2,569,038
New +$32.1M 0.03% 717
2025
Q4 		– Sell
-2,202,211
Closed -$32.5M – 4277
2025
Q3 		$40.2M Buy
2,202,211
+1,627,866
+283% +$27.4M 0.06% 382
2025
Q2 		$9.01M Buy
+574,345
New +$8.22M 0.02% 875
2024
Q4 		– Sell
-72,565
Closed -$1.47M – 3373
2024
Q3 		$1.18M Sell
72,565
-598
-0.8% -$10.8K ﹤0.01% 2029
2024
Q2 		$1.45M Buy
73,163
+325
+0.4% +$6.17K ﹤0.01% 1775
2024
Q1 		$1.64M Sell
72,838
-2,214,724
-97% -$48.4M ﹤0.01% 1620
2023
Q4 		$53.7M Buy
2,287,562
+1,045,696
+84% +$13.2M 0.12% 211
2023
Q3 		$10.6M Buy
+1,241,866
New +$16.7M 0.03% 591
2023
Q1 		– Sell
-1,179,273
Closed -$8.24M – 3101
2022
Q4 		$4.03M Buy
+1,179,273
New +$9.9M 0.01% 956

Other funds holding MARA

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return
MG
Marex Group London $23.6B AUM 57.16% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return

John Overdeck's MARA Position: Q2 2026 in Review

John Overdeck opened a new position in Marathon Digital Holdings (MARA) in Q2 2026: 2,569,038 shares worth $35.7M. The stake represents 0.03% of the portfolio and ranks #717 among its holdings. This is a return to the name: John Overdeck previously reported a position in MARA as recently as Q3 2025.

John Overdeck first reported a position in MARA in Q4 2022 and has held it in 9 quarters since. The position peaked at $53.7M in Q4 2023. 411 funds tracked by Wall St. Rank hold MARA as of Q2 2026.

  • John Overdeck held 2,569,038 shares of Marathon Digital Holdings worth $35.7M as of Q2 2026.
  • Marathon Digital Holdings was a new John Overdeck position in Q2 2026.
  • Marathon Digital Holdings made up 0.03% of John Overdeck's portfolio in Q2 2026, its #717 holding.
  • John Overdeck first reported a position in Marathon Digital Holdings in Q4 2022 and has held it in 9 quarters since.
  • John Overdeck's Marathon Digital Holdings position peaked at $53.7M in Q4 2023.
  • 411 funds tracked by Wall St. Rank held Marathon Digital Holdings as of Q2 2026.

Based on Two Sigma Investments's 13F filing for Q2 2026, filed 14 Aug 2026.