Mountain Lake Investment Management LLC

Position in AR — ANTERO RESOURCES Corp

CIK 1308555 SAN FRANCISCO, CA

Position in AR

as of Mar 31, 2026 · filed May 15, 2026 Compact

Position Value

$4,209,708

+$791,552 QoQ

Shares Held

99,192

0.0% QoQ

Ownership

0.032%

of shares outstanding

% of Portfolio

2.74%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Energy · as of Mar 31, 2026

Mountain Lake Investment Management LLC holds $13,901,495 across 2 Oil & Gas E&P names. AR ranks #2 (30.3% of the industry book) .

#	Ticker	Company	Shares	Value (USD)	Open
1	RRC	Range Resources Corp	214,515	$9,691,787
2	AR	ANTERO RESOURCES Corp This page	99,192	$4,209,708

25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$4,209,708	99,192	0.0%	Shares	Sole	2026-05-15
2025-12-31	$3,418,156	99,192	-2.4%	Shares	Sole	2026-02-17
2025-09-30	$3,409,964	101,608	+25.9%	Shares	Sole	2025-11-14
2025-06-30	$3,251,401	80,720	-32.0%	Shares	Sole	2025-08-14
2025-03-31	$4,798,974	118,669	-14.2%	Shares	Sole	2025-05-15
2024-12-31	$4,849,202	138,351	-14.6%	Shares	Sole	2025-01-30
2024-09-30	$4,641,300	162,000	+12.9%	Shares	Sole	2024-11-14
2024-06-30	$4,682,405	143,500	-28.6%	Shares	Sole	2024-08-14
2024-03-31	$5,829,000	201,000	-12.8%	Shares	Sole	2024-05-15
2023-12-31	$5,227,740	230,500	-16.8%	Shares	Sole	2024-02-14
2023-09-30	$7,030,260	277,000	-9.3%	Shares	Sole	2023-11-14
2023-06-30	$7,035,665	305,500	+32.5%	Shares	Sole	2023-08-14
2023-03-31	$5,322,245	230,500	+24.3%	Shares	Sole	2023-05-15
2022-12-31	$5,748,645	185,500	+0.7%	Shares	Sole	2023-02-14
2022-09-30	$5,623,259	184,188	-23.4%	Shares	Sole	2022-11-14
2022-06-30	$7,371,325	240,500	-35.3%	Shares	Sole	2022-08-15
2022-03-31	$11,341,895	371,500	-30.3%	Shares	Sole	2022-05-16
2021-12-31	$9,327,500	533,000	-29.7%	Shares	Sole	2022-02-14
2021-09-30	$14,262,682	758,250	+2.0%	Shares	Sole	2022-01-21
2021-06-30	$11,171,047	743,250	-13.8%	Shares	Sole	2021-08-16
2021-03-31	$8,797,500	862,500	-6.6%	Shares	Sole	2021-05-17
2020-12-31	$5,033,075	923,500	-29.5%	Shares	Sole	2021-02-16
2020-09-30	$3,602,500	1,310,000	+1.9%	Shares	Sole	2020-11-16
2020-06-30	$3,263,900	1,285,000	+4.0%	Shares	Sole	2020-08-14
2020-03-31	$876,850	1,235,000	—	Shares	Sole	2020-05-15
No filing history on record for this holder in this stock.