SOMRS
AM icon

State of Michigan Retirement System’s Antero Midstream AM Stock Holding History

State of Michigan Retirement 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 		$1.77M Sell
77,725
-2,000
-3% -$43.4K 0.01% 737
2026
Q1 		$1.82M Buy
79,725
+900
+1% +$18.6K 0.01% 703
2025
Q4 		$1.4M Sell
78,825
-900
-1% -$16.2K 0.01% 759
2025
Q3 		$1.55M Sell
79,725
-900
-1% -$16.3K 0.01% 740
2025
Q2 		$1.53M Buy
80,625
+400
+0.5% +$7.15K 0.01% 740
2025
Q1 		$1.44M Buy
80,225
+400
+0.5% +$6.62K 0.01% 742
2024
Q4 		$1.2M Sell
79,825
-200
-0.2% -$3.04K 0.01% 814
2024
Q3 		$1.2M Sell
80,025
-2,300
-3% -$33.5K 0.01% 804
2024
Q2 		$1.21M Sell
82,325
-1,300
-2% -$18.7K 0.01% 793
2024
Q1 		$1.18M Buy
83,625
+1,900
+2% +$24.3K 0.01% 802
2023
Q4 		$1.02M Buy
81,725
+300
+0.4% +$3.78K 0.01% 831
2023
Q3 		$975K Sell
81,425
-1,300
-2% -$15.4K 0.01% 803
2023
Q2 		$960K Sell
82,725
-1,900
-2% -$20.2K 0.01% 832
2023
Q1 		$888K Sell
84,625
-600
-0.7% -$6.38K 0.01% 847
2022
Q4 		$920K Buy
85,225
+800
+0.9% +$8.49K 0.01% 826
2022
Q3 		$775K Buy
84,425
+1,700
+2% +$16.7K 0.01% 833
2022
Q2 		$749K Buy
82,725
+300
+0.4% +$3.12K 0.01% 866
2022
Q1 		$896K Buy
82,425
+135
+0.2% +$1.37K 0.01% 847
2021
Q4 		$797K Buy
82,290
+1,000
+1% +$10.4K ﹤0.01% 904
2021
Q3 		$847K Buy
81,290
+9,100
+13% +$89.2K ﹤0.01% 879
2021
Q2 		$750K Sell
72,190
-33,800
-32% -$323K ﹤0.01% 911
2021
Q1 		$957K Buy
105,990
+1,800
+2% +$15.5K 0.01% 917
2020
Q4 		$803K Hold
104,190
– – 0.01% 907
2020
Q3 		$560K Buy
104,190
+1,900
+2% +$11.6K ﹤0.01% 907
2020
Q2 		$522K Buy
102,290
+19,890
+24% +$88K ﹤0.01% 894
2020
Q1 		$173K Sell
82,400
-5,000
-6% -$23.9K ﹤0.01% 931
2019
Q4 		$663K Buy
87,400
+12,400
+17% +$78.4K 0.01% 875
2019
Q3 		$555K Buy
+75,000
New +$648K 0.01% 884

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 $3.38T AUM 44.17% 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

State of Michigan Retirement System's AM Position: Q2 2026 in Review

State of Michigan Retirement System reduced its Antero Midstream (AM) stake by 2.5% in Q2 2026, selling an estimated $43.4K and leaving 77,725 shares worth $1.77M. The position accounts for 0.01% of the portfolio, ranked #737.

State of Michigan Retirement System first reported a position in AM in Q3 2019 and has held it in 28 quarters since. The position peaked at $1.82M in Q1 2026. 534 funds tracked by Wall St. Rank hold AM as of Q2 2026.

  • State of Michigan Retirement System held 77,725 shares of Antero Midstream worth $1.77M as of Q2 2026.
  • State of Michigan Retirement System sold 2,000 Antero Midstream shares in Q2 2026, an estimated $43.4K.
  • Antero Midstream made up 0.01% of State of Michigan Retirement System's portfolio in Q2 2026, its #737 holding.
  • State of Michigan Retirement System first reported a position in Antero Midstream in Q3 2019 and has held it in 28 quarters since.
  • State of Michigan Retirement System's Antero Midstream position peaked at $1.82M in Q1 2026.
  • 534 funds tracked by Wall St. Rank held Antero Midstream as of Q2 2026.

Based on State of Michigan Retirement System's 13F filing for Q2 2026, filed 30 Jul 2026.