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Great Lakes Advisors’s Antero Midstream AM Stock Holding History

Great Lakes Advisors’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 		$613K Sell
26,938
-4,034
-13% -$87.6K ﹤0.01% 590
2026
Q1 		$706K Sell
30,972
-556
-2% -$11.5K 0.01% 552
2025
Q4 		$561K Sell
31,528
-6,896
-18% -$124K ﹤0.01% 589
2025
Q3 		$747K Sell
38,424
-4,078
-10% -$73.7K 0.01% 553
2025
Q2 		$805K Buy
42,502
+23,837
+128% +$426K 0.01% 548
2025
Q1 		$336K Buy
18,665
+2,554
+16% +$42.3K ﹤0.01% 669
2024
Q4 		$243K Sell
16,111
-870,272
-98% -$13.2M ﹤0.01% 756
2024
Q3 		$13.3M Buy
+886,383
New +$12.9M 0.11% 169
2023
Q1 		– Sell
-10,451
Closed -$113K – 811
2022
Q4 		$113K Sell
10,451
-162
-2% -$1.72K 0.01% 632
2022
Q3 		$97K Sell
10,613
-1,095
-9% -$10.8K ﹤0.01% 629
2022
Q2 		$106K Sell
11,708
-850
-7% -$8.85K ﹤0.01% 659
2022
Q1 		$137K Sell
12,558
-1,191,246
-99% -$12.1M ﹤0.01% 683
2021
Q4 		$11.7M Sell
1,203,804
-20,979
-2% -$218K 0.18% 164
2021
Q3 		$12.8M Sell
1,224,783
-44,936
-4% -$441K 0.2% 151
2021
Q2 		$13.2M Sell
1,269,719
-6,765
-0.5% -$64.6K 0.2% 158
2021
Q1 		$11.5M Buy
1,276,484
+76,733
+6% +$661K 0.19% 170
2020
Q4 		$9.25M Buy
+1,199,751
New +$8.14M 0.17% 167

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

Great Lakes Advisors's AM Position: Q2 2026 in Review

Great Lakes Advisors reduced its Antero Midstream (AM) stake by 13% in Q2 2026, selling an estimated $87.6K and leaving 26,938 shares worth $613K. The position accounts for ﹤0.01% of the portfolio, ranked #590.

Great Lakes Advisors first reported a position in AM in Q4 2020 and has held it in 17 quarters since. The position peaked at $13.3M in Q3 2024. 531 funds tracked by Wall St. Rank hold AM as of Q2 2026.

  • Great Lakes Advisors held 26,938 shares of Antero Midstream worth $613K as of Q2 2026.
  • Great Lakes Advisors sold 4,034 Antero Midstream shares in Q2 2026, an estimated $87.6K.
  • Antero Midstream made up ﹤0.01% of Great Lakes Advisors's portfolio in Q2 2026, its #590 holding.
  • Great Lakes Advisors first reported a position in Antero Midstream in Q4 2020 and has held it in 17 quarters since.
  • Great Lakes Advisors's Antero Midstream position peaked at $13.3M in Q3 2024.
  • 531 funds tracked by Wall St. Rank held Antero Midstream as of Q2 2026.

Based on Great Lakes Advisors's 13F filing for Q2 2026, filed 10 Aug 2026.