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Castleark Management’s Antero Resources AR Stock Holding History

Castleark Management’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
-234,290
Closed -$8.07M – 295
2025
Q4 		$8.07M Buy
+234,290
New +$7.93M 0.24% 92
2024
Q3 		– Sell
-36,670
Closed -$1.2M – 275
2024
Q2 		$1.2M Sell
36,670
-52,680
-59% -$1.72M 0.05% 194
2024
Q1 		$2.59M Sell
89,350
-156,990
-64% -$3.79M 0.11% 166
2023
Q4 		$5.59M Buy
246,340
+23,860
+11% +$605K 0.25% 97
2023
Q3 		$5.65M Buy
+222,480
New +$5.74M 0.29% 72
2023
Q1 		– Sell
-56,260
Closed -$1.74M – 275
2022
Q4 		$1.74M Hold
56,260
– – 0.09% 175
2022
Q3 		$1.72M Sell
56,260
-14,060
-20% -$519K 0.1% 164
2022
Q2 		$2.15M Sell
70,320
-51,020
-42% -$1.87M 0.12% 151
2022
Q1 		$3.71M Hold
121,340
– – 0.16% 139
2021
Q4 		$2.12M Sell
121,340
-5,950
-5% -$113K 0.08% 187
2021
Q3 		$2.39M Buy
+127,290
New +$1.86M 0.09% 176
2014
Q4 		– Sell
-77,350
Closed -$4.84M – 341
2014
Q3 		$4.84M Buy
+77,350
New +$4.49M 0.14% 165
2014
Q2 		– Sell
-77,350
Closed -$4.84M – 318
2014
Q1 		$4.84M Buy
+77,350
New +$4.58M 0.14% 165

Other funds holding AR

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
SG
Sourcerock Group Denver, Colorado $1.92B AUM 45.54% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return

Castleark Management's AR Position: Q1 2026 in Review

Castleark Management sold out of Antero Resources (AR) in Q1 2026, closing a stake of 234,290 shares — an estimated $8.07M sold.

Castleark Management first reported a position in AR in Q1 2014 and held it in 13 quarters. The position peaked at $8.07M in Q4 2025. 637 funds tracked by Wall St. Rank hold AR as of Q1 2026.

  • Castleark Management reported no remaining Antero Resources position as of Q1 2026 after selling out during the quarter.
  • Castleark Management sold 234,290 Antero Resources shares in Q1 2026, an estimated $8.07M.
  • Castleark Management first reported a position in Antero Resources in Q1 2014 and held it in 13 quarters.
  • Castleark Management's Antero Resources position peaked at $8.07M in Q4 2025.
  • 637 funds tracked by Wall St. Rank held Antero Resources as of Q1 2026.

Based on Castleark Management's 13F filing for Q1 2026, filed 15 May 2026.