Mariner Investment Group’s Vistra VST Stock Holding History

Mariner Investment Group’s Portfolio VST Stock Details VST Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-5,000	Closed	-$809K	–	154
2025 Q4	$807K	Sell	5,000 -10,000	-67%	-$1.82M	0.05%	51
2025 Q3	$2.94M	Sell	15,000 -10,000	-40%	-$1.98M	0.89%	20
2025 Q2	$4.85M	Sell	25,000 -19,000	-43%	-$2.81M	1.72%	8
2025 Q1	$5.17M	Buy	+44,000	New	+$6.57M	2.03%	5
2024 Q4	–	Sell	-2,500	Closed	-$296K	–	59
2024 Q3	$296K	Sell	2,500 -18,890	-88%	-$1.6M	0.08%	19
2024 Q2	$1.84M	Buy	+21,390	New	+$1.79M	0.4%	5
2023 Q1	–	Sell	-26,000	Closed	-$603K	–	53
2022 Q4	$603K	Hold	26,000	–	–	1.76%	13
2022 Q3	$546K	Hold	26,000	–	–	0.61%	31
2022 Q2	$594K	Hold	26,000	–	–	0.63%	22
2022 Q1	$605K	Hold	26,000	–	–	0.76%	17
2021 Q4	$592K	Sell	26,000 -20,000	-43%	-$401K	0.25%	24
2021 Q3	$787K	Buy	46,000 +1,000	+2%	+$18.5K	2.13%	7
2021 Q2	$835K	Hold	45,000	–	–	1.81%	11
2021 Q1	$796K	Buy	+45,000	New	+$894K	1.95%	18

Other funds holding VST

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

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

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

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

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

LPC

Lone Pine Capital Greenwich, Connecticut $12.5B AUM 54.4% 1-Year Est. Return

UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return

Mariner Investment Group's VST Position: Q1 2026 in Review

Mariner Investment Group sold out of Vistra (VST) in Q1 2026, closing a stake of 5,000 shares — an estimated $809K sold.

Mariner Investment Group first reported a position in VST in Q1 2021 and held it in 14 quarters. The position peaked at $5.17M in Q1 2025. 1,309 funds tracked by Wall St. Rank hold VST as of Q1 2026.

Mariner Investment Group reported no remaining Vistra position as of Q1 2026 after selling out during the quarter.
Mariner Investment Group sold 5,000 Vistra shares in Q1 2026, an estimated $809K.
Mariner Investment Group first reported a position in Vistra in Q1 2021 and held it in 14 quarters.
Mariner Investment Group's Vistra position peaked at $5.17M in Q1 2025.
1,309 funds tracked by Wall St. Rank held Vistra as of Q1 2026.

Based on Mariner Investment Group's 13F filing for Q1 2026, filed 5 May 2026.