Mariner Investment Group’s Antero Resources AR Stock Holding History

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

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-38,500	Closed	-$1.33M	–	110
2025 Q4	$1.33M	Buy	+38,500	New	+$1.3M	0.08%	44
2025 Q3	–	Sell	-25,100	Closed	-$837K	–	77
2025 Q2	$1.01M	Buy	25,100 +100	+0.4%	+$3.79K	0.36%	25
2025 Q1	$1.01M	Sell	25,000 -5,000	-17%	-$192K	0.4%	19
2024 Q4	$1.05M	Buy	30,000 +15,000	+100%	+$454K	0.21%	19
2024 Q3	$430K	Buy	+15,000	New	+$425K	0.12%	16
2018 Q1	–	Sell	-83,400	Closed	-$1.58M	–	64
2017 Q4	$1.58M	Hold	83,400	–	–	0.66%	26
2017 Q3	$1.66M	Hold	83,400	–	–	1.03%	20
2017 Q2	$1.8M	Hold	83,400	–	–	0.99%	23
2017 Q1	$1.9M	Hold	83,400	–	–	1.12%	14
2016 Q4	$1.97M	Hold	83,400	–	–	1.06%	23
2016 Q3	$2.25M	Hold	83,400	–	–	1.16%	26
2016 Q2	$2.17M	Buy	+83,400	New	+$2.27M	0.73%	39

Other funds holding AR

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

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

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

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

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

Sourcerock Group Denver, Colorado $2.48B AUM 72.25% 1-Year Est. Return

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

AQR Capital Management Greenwich, Connecticut $218B AUM 29.41% 1-Year Est. Return

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

Mariner Investment Group sold out of Antero Resources (AR) in Q1 2026, closing a stake of 38,500 shares — an estimated $1.33M sold.

Mariner Investment Group first reported a position in AR in Q2 2016 and held it in 12 quarters. The position peaked at $2.25M in Q3 2016. 636 funds tracked by Wall St. Rank hold AR as of Q1 2026.

Mariner Investment Group reported no remaining Antero Resources position as of Q1 2026 after selling out during the quarter.
Mariner Investment Group sold 38,500 Antero Resources shares in Q1 2026, an estimated $1.33M.
Mariner Investment Group first reported a position in Antero Resources in Q2 2016 and held it in 12 quarters.
Mariner Investment Group's Antero Resources position peaked at $2.25M in Q3 2016.
636 funds tracked by Wall St. Rank held Antero Resources as of Q1 2026.

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