Oppenheimer & Co’s Marathon Digital Holdings MARA Stock Holding History

Oppenheimer & Co’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 Q3	–	Sell	-24,096	Closed	-$335K	–	1818
2026 Q2	$335K	Sell	24,096 -1,619	-6%	-$20.2K	﹤0.01%	1433
2026 Q1	$210K	Sell	25,715 -4,823	-16%	-$43.6K	﹤0.01%	1555
2025 Q4	$274K	Sell	30,538 -33,899	-53%	-$500K	﹤0.01%	1304
2025 Q3	$1.18M	Sell	64,437 -1,212	-2%	-$20.4K	0.01%	818
2025 Q2	$1.03M	Sell	65,649 -1,294	-2%	-$18.5K	0.01%	834
2025 Q1	$770K	Sell	66,943 -30,622	-31%	-$487K	0.01%	916
2024 Q4	$1.64M	Buy	+97,565	New	+$1.97M	0.02%	609

Other funds holding MARA

BlackRock New York $6.79T AUM 37.06% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.21T AUM

Vanguard Capital Management Malvern, Pennsylvania $4.76T AUM

State Street Boston, Massachusetts $3.44T AUM 36.12% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return

Morgan Stanley New York $1.96T AUM 27.49% 1-Year Est. Return

Renaissance Technologies New York $73.4B AUM 32.8% 1-Year Est. Return

UBS Group Zurich, Switzerland $765B AUM 28.39% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $551B AUM 33.95% 1-Year Est. Return

VanEck Associates New York $165B AUM 72.14% 1-Year Est. Return

Oppenheimer & Co's MARA Position: Q3 2026 in Review

Oppenheimer & Co sold out of Marathon Digital Holdings (MARA) in Q3 2026, closing a stake of 24,096 shares — an estimated $335K sold.

Oppenheimer & Co first reported a position in MARA in Q4 2024 and held it in 7 quarters. The position peaked at $1.64M in Q4 2024. 327 funds tracked by Wall St. Rank hold MARA as of Q3 2026.

Oppenheimer & Co reported no remaining Marathon Digital Holdings position as of Q3 2026 after selling out during the quarter.
Oppenheimer & Co sold 24,096 Marathon Digital Holdings shares in Q3 2026, an estimated $335K.
Oppenheimer & Co first reported a position in Marathon Digital Holdings in Q4 2024 and held it in 7 quarters.
Oppenheimer & Co's Marathon Digital Holdings position peaked at $1.64M in Q4 2024.
327 funds tracked by Wall St. Rank held Marathon Digital Holdings as of Q3 2026.

Based on Oppenheimer & Co's 13F filing for Q3 2026, filed 26 Oct 2026.