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Maryland State Retirement & Pension System’s Antero Midstream AM Stock Holding History

Maryland State Retirement & Pension System’s Portfolio AM Stock Details AM Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$7.5M Buy
329,651
+16,230
+5% +$352K 0.13% 136
2026
Q1 		$7.15M Sell
313,421
-16,087
-5% -$332K 0.15% 126
2025
Q4 		$5.86M Buy
329,508
+3,177
+1% +$57.2K 0.12% 148
2025
Q3 		$6.34M Buy
326,331
+8,185
+3% +$148K 0.13% 137
2025
Q2 		$6.03M Buy
318,146
+18,181
+6% +$325K 0.13% 138
2025
Q1 		$5.4M Buy
299,965
+2,642
+0.9% +$43.7K 0.13% 142
2024
Q4 		$4.49M Sell
297,323
-6,515
-2% -$99.2K 0.1% 164
2024
Q3 		$4.57M Sell
303,838
-10,964
-3% -$160K 0.1% 169
2024
Q2 		$4.64M Hold
314,802
– – 0.09% 202
2024
Q1 		$4.28M Buy
314,802
+4,605
+1% +$58.9K 0.09% 207
2023
Q4 		$3.89M Buy
310,197
+3,799
+1% +$47.9K 0.08% 209
2023
Q3 		$3.67M Sell
306,398
-72,026
-19% -$853K 0.08% 203
2023
Q2 		$4.39M Buy
378,424
+11,525
+3% +$122K 0.09% 184
2023
Q1 		$3.85M Buy
366,899
+262,098
+250% +$2.79M 0.09% 192
2022
Q4 		$1.13M Buy
104,801
+81,001
+340% +$859K 0.03% 493
2022
Q3 		$218K Hold
23,800
– – 0.02% 497
2022
Q2 		$215K Hold
23,800
– – 0.01% 1412
2022
Q1 		$259K Hold
23,800
– – 0.01% 1392
2021
Q4 		$230K Hold
23,800
– – 0.01% 1457
2021
Q3 		$249K Hold
23,800
– – 0.01% 1439
2021
Q2 		$245K Hold
23,800
– – 0.01% 909
2021
Q1 		$215K Buy
+23,800
New +$205K 0.01% 956

Other funds holding AM

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 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
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
TCA
Tortoise Capital Advisors Overland Park, Kansas $9.84B AUM 26.47% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Neuberger Berman Group
Neuberger Berman Group New York $150B AUM 40.08% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $609B AUM 40.19% 1-Year Est. Return

Maryland State Retirement & Pension System's AM Position: Q2 2026 in Review

Maryland State Retirement & Pension System increased its Antero Midstream (AM) stake by 5.2% in Q2 2026, buying an estimated $352K and bringing the position to 329,651 shares worth $7.5M. The position accounts for 0.13% of the portfolio, ranked #136.

Maryland State Retirement & Pension System first reported a position in AM in Q1 2021 and has held it in 22 quarters since. 533 funds tracked by Wall St. Rank hold AM as of Q2 2026.

  • Maryland State Retirement & Pension System held 329,651 shares of Antero Midstream worth $7.5M as of Q2 2026.
  • Maryland State Retirement & Pension System bought 16,230 Antero Midstream shares in Q2 2026, an estimated $352K.
  • Antero Midstream made up 0.13% of Maryland State Retirement & Pension System's portfolio in Q2 2026, its #136 holding.
  • Maryland State Retirement & Pension System first reported a position in Antero Midstream in Q1 2021 and has held it in 22 quarters since.
  • 533 funds tracked by Wall St. Rank held Antero Midstream as of Q2 2026.

Based on Maryland State Retirement & Pension System's 13F filing for Q2 2026, filed 30 Jul 2026.