Mariner’s EchoStar ECHO Stock Holding History

Mariner’s Portfolio ECHO Stock Details ECHO Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-5,589	Closed	-$608K	–	3785
2025 Q4	$608K	Sell	5,589 -2,392	-30%	-$195K	﹤0.01%	2316
2025 Q3	$609K	Buy	+7,981	New	+$361K	﹤0.01%	2273
2025 Q1	–	Sell	-9,219	Closed	-$211K	–	3561
2024 Q4	$211K	Sell	9,219 -1,134	-11%	-$27.5K	﹤0.01%	2957
2024 Q3	$259K	Buy	+10,353	New	+$212K	﹤0.01%	2704

Other funds holding ECHO

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

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

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return

DCP

Darsana Capital Partners New York $4.7B AUM 50.56% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

ACM

Arini Captial Management London, United Kingdom $634M AUM

Mariner's ECHO Position: Q1 2026 in Review

Mariner sold out of EchoStar (ECHO) in Q1 2026, closing a stake of 5,589 shares — an estimated $608K sold.

Mariner first reported a position in ECHO in Q3 2024 and held it in 4 quarters. The position peaked at $609K in Q3 2025. 663 funds tracked by Wall St. Rank hold ECHO as of Q1 2026.

Mariner reported no remaining EchoStar position as of Q1 2026 after selling out during the quarter.
Mariner sold 5,589 EchoStar shares in Q1 2026, an estimated $608K.
Mariner first reported a position in EchoStar in Q3 2024 and held it in 4 quarters.
Mariner's EchoStar position peaked at $609K in Q3 2025.
663 funds tracked by Wall St. Rank held EchoStar as of Q1 2026.

Based on Mariner's 13F filing for Q1 2026, filed 13 May 2026.