Thomas Steyer’s Marathon Digital Holdings MARA Stock Holding History

Thomas Steyer’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
2025 Q4	–	Sell	-3,660,000	Closed	-$66.8M	–	162
2025 Q3	$66.8M	Buy	3,660,000 +2,825,000	+338%	+$47.6M	0.27%	53
2025 Q2	$13.1M	Hold	835,000	–	–	0.06%	77
2025 Q1	$9.6M	Buy	835,000 +280,000	+50%	+$4.45M	0.05%	75
2024 Q4	$9.31M	Buy	+555,000	New	+$11.2M	0.04%	84

Other funds holding MARA

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

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Marex Group London $23.6B AUM 57.16% 1-Year Est. Return

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

UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Norges Bank Oslo, Norway $1T AUM

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

Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

Thomas Steyer's MARA Position: Q4 2025 in Review

Thomas Steyer sold out of Marathon Digital Holdings (MARA) in Q4 2025, closing a stake of 3,660,000 shares — an estimated $66.8M sold.

Thomas Steyer first reported a position in MARA in Q4 2024 and held it in 4 quarters. The position peaked at $66.8M in Q3 2025. 401 funds tracked by Wall St. Rank hold MARA as of Q4 2025.

Thomas Steyer reported no remaining Marathon Digital Holdings position as of Q4 2025 after selling out during the quarter.
Thomas Steyer sold 3,660,000 Marathon Digital Holdings shares in Q4 2025, an estimated $66.8M.
Thomas Steyer first reported a position in Marathon Digital Holdings in Q4 2024 and held it in 4 quarters.
Thomas Steyer's Marathon Digital Holdings position peaked at $66.8M in Q3 2025.
401 funds tracked by Wall St. Rank held Marathon Digital Holdings as of Q4 2025.

Based on Farallon Capital Management's 13F filing for Q4 2025, filed 17 Feb 2026.