William Harnisch’s Antero Resources AR Stock Holding History

William Harnisch’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	-300,000	Closed	-$10.3M	–	10
2025 Q4	$10.3M	Buy	+300,000	New	+$10.2M	0.25%	11

Other funds holding AR

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

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

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

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

Sourcerock Group Denver, Colorado $1.92B AUM 45.54% 1-Year Est. Return

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

AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return

William Harnisch's AR Position: Q1 2026 in Review

William Harnisch sold out of Antero Resources (AR) in Q1 2026, closing a stake of 300,000 shares — an estimated $10.3M sold.

William Harnisch first reported a position in AR in Q4 2025 and held it in 1 quarter. The position peaked at $10.3M in Q4 2025. 637 funds tracked by Wall St. Rank hold AR as of Q1 2026.

William Harnisch reported no remaining Antero Resources position as of Q1 2026 after selling out during the quarter.
William Harnisch sold 300,000 Antero Resources shares in Q1 2026, an estimated $10.3M.
William Harnisch first reported a position in Antero Resources in Q4 2025 and held it in 1 quarter.
William Harnisch's Antero Resources position peaked at $10.3M in Q4 2025.
637 funds tracked by Wall St. Rank held Antero Resources as of Q1 2026.

Based on Peconic Partners's 13F filing for Q1 2026, filed 15 May 2026.