Wellington Management Group
AM icon

Wellington Management Group’s Antero Midstream AM Stock Holding History

Wellington Management Group’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
Q1 		$9.16M Buy
401,759
+183,201
+84% +$3.78M ﹤0.01% 1264
2025
Q4 		$3.89M Sell
218,558
-223,742
-51% -$4.03M ﹤0.01% 1458
2025
Q3 		$8.6M Sell
442,300
-227,112
-34% -$4.1M ﹤0.01% 1299
2025
Q2 		$12.7M Buy
669,412
+106,372
+19% +$1.9M ﹤0.01% 1134
2025
Q1 		$10.1M Buy
563,040
+221,332
+65% +$3.66M ﹤0.01% 1196
2024
Q4 		$5.16M Sell
341,708
-171,406
-33% -$2.61M ﹤0.01% 1346
2024
Q3 		$7.72M Sell
513,114
-849,097
-62% -$12.4M ﹤0.01% 1240
2024
Q2 		$20.1M Sell
1,362,211
-5,068
-0.4% -$72.7K ﹤0.01% 956
2024
Q1 		$19.2M Sell
1,367,279
-329,608
-19% -$4.22M ﹤0.01% 955
2023
Q4 		$21.3M Buy
1,696,887
+272,751
+19% +$3.44M ﹤0.01% 926
2023
Q3 		$17.1M Sell
1,424,136
-167,169
-11% -$1.98M ﹤0.01% 969
2023
Q2 		$18.5M Sell
1,591,305
-15,273
-1% -$162K ﹤0.01% 957
2023
Q1 		$16.9M Sell
1,606,578
-232,118
-13% -$2.47M ﹤0.01% 980
2022
Q4 		$19.8M Buy
1,838,696
+665,655
+57% +$7.06M ﹤0.01% 920
2022
Q3 		$10.8M Buy
1,173,041
+1,129,312
+2,583% +$11.1M ﹤0.01% 1085
2022
Q2 		$396K Sell
43,729
-31,700
-42% -$330K ﹤0.01% 1888
2022
Q1 		$820K Buy
75,429
+39,906
+112% +$405K ﹤0.01% 1772
2021
Q4 		$344K Hold
35,523
– – ﹤0.01% 2051
2021
Q3 		$370K Sell
35,523
-44,191
-55% -$433K ﹤0.01% 2006
2021
Q2 		$828K Buy
+79,714
New +$761K ﹤0.01% 1809
2020
Q4 		– Sell
-31,256
Closed -$168K – 1909
2020
Q3 		$168K Buy
31,256
+15,558
+99% +$94.8K ﹤0.01% 1855
2020
Q2 		$80K Sell
15,698
-21,260
-58% -$94.1K ﹤0.01% 1831
2020
Q1 		$78K Sell
36,958
-129,322
-78% -$617K ﹤0.01% 1878
2019
Q4 		$1.26M Sell
166,280
-564,537
-77% -$3.57M ﹤0.01% 1652
2019
Q3 		$5.41M Buy
+730,817
New +$6.31M ﹤0.01% 1330
2018
Q2 		– Sell
-63,898
Closed -$1.02M – 2220
2018
Q1 		$1.02M Buy
+63,898
New +$1.24M ﹤0.01% 1898
2017
Q4 		– Sell
-2,003,536
Closed -$40.7M – 2201
2017
Q3 		$40.7M Buy
2,003,536
+42,351
+2% +$846K 0.01% 814
2017
Q2 		$41.8M Buy
+1,961,185
New +$42.5M 0.01% 789

Other funds holding AM

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
TCA
Tortoise Capital Advisors Overland Park, Kansas $9.6B AUM 19.53% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $544B AUM 28.31% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
Neuberger Berman Group
Neuberger Berman Group New York $131B AUM 28.36% 1-Year Est. Return

Wellington Management Group's AM Position: Q1 2026 in Review

Wellington Management Group increased its Antero Midstream (AM) stake by 84% in Q1 2026, buying an estimated $3.78M and bringing the position to 401,759 shares worth $9.16M. The position accounts for ﹤0.01% of the portfolio, ranked #1264.

Wellington Management Group first reported a position in AM in Q2 2017 and has held it in 28 quarters since. The position peaked at $41.8M in Q2 2017. 510 funds tracked by Wall St. Rank hold AM as of Q1 2026.

  • Wellington Management Group held 401,759 shares of Antero Midstream worth $9.16M as of Q1 2026.
  • Wellington Management Group bought 183,201 Antero Midstream shares in Q1 2026, an estimated $3.78M.
  • Antero Midstream made up ﹤0.01% of Wellington Management Group's portfolio in Q1 2026, its #1264 holding.
  • Wellington Management Group first reported a position in Antero Midstream in Q2 2017 and has held it in 28 quarters since.
  • Wellington Management Group's Antero Midstream position peaked at $41.8M in Q2 2017.
  • 510 funds tracked by Wall St. Rank held Antero Midstream as of Q1 2026.

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