Janus Henderson Group
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Janus Henderson Group’s Antero Midstream AM Stock Holding History

Janus Henderson 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 		$6.24M Buy
273,772
+113,696
+71% +$2.35M ﹤0.01% 892
2025
Q4 		$2.85M Hold
160,076
– – ﹤0.01% 1160
2025
Q3 		$3.11M Hold
160,076
– – ﹤0.01% 1114
2025
Q2 		$3.03M Buy
160,076
+368
+0.2% +$6.58K ﹤0.01% 1105
2025
Q1 		$2.87M Hold
159,708
– – ﹤0.01% 1103
2024
Q4 		$2.41M Hold
159,708
– – ﹤0.01% 1218
2024
Q3 		$2.4M Hold
159,708
– – ﹤0.01% 1217
2024
Q2 		$2.35M Sell
159,708
-1,743
-1% -$25K ﹤0.01% 1180
2024
Q1 		$2.27M Buy
161,451
+4
+0% +$51 ﹤0.01% 1234
2023
Q4 		$2.02M Sell
161,447
-190
-0.1% -$2.4K ﹤0.01% 1248
2023
Q3 		$1.94M Buy
161,637
+4
+0% +$47 ﹤0.01% 1201
2023
Q2 		$1.87M Sell
161,633
-258,239
-62% -$2.74M ﹤0.01% 1280
2023
Q1 		$4.4M Sell
419,872
-481,987
-53% -$5.13M ﹤0.01% 916
2022
Q4 		$9.73M Buy
901,859
+791,183
+715% +$8.39M 0.01% 732
2022
Q3 		$1.01M Sell
110,676
-148,993
-57% -$1.47M ﹤0.01% 1636
2022
Q2 		$2.35M Sell
259,669
-107,078
-29% -$1.11M ﹤0.01% 997
2022
Q1 		$3.99M Sell
366,747
-25,374
-6% -$258K ﹤0.01% 1059
2021
Q4 		$3.79M Buy
392,121
+30,940
+9% +$321K ﹤0.01% 1133
2021
Q3 		$3.76M Buy
361,181
+28,369
+9% +$278K ﹤0.01% 1119
2021
Q2 		$3.46M Buy
332,812
+66,938
+25% +$639K ﹤0.01% 1136
2021
Q1 		$2.4M Buy
265,874
+1,662
+0.6% +$14.3K ﹤0.01% 1149
2020
Q4 		$2.04M Buy
+264,212
New +$1.79M ﹤0.01% 1118

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

Janus Henderson Group's AM Position: Q1 2026 in Review

Janus Henderson Group increased its Antero Midstream (AM) stake by 71% in Q1 2026, buying an estimated $2.35M and bringing the position to 273,772 shares worth $6.24M. The position accounts for ﹤0.01% of the portfolio, ranked #892.

Janus Henderson Group first reported a position in AM in Q4 2020 and has held it in 22 quarters since. The position peaked at $9.73M in Q4 2022. 510 funds tracked by Wall St. Rank hold AM as of Q1 2026.

  • Janus Henderson Group held 273,772 shares of Antero Midstream worth $6.24M as of Q1 2026.
  • Janus Henderson Group bought 113,696 Antero Midstream shares in Q1 2026, an estimated $2.35M.
  • Antero Midstream made up ﹤0.01% of Janus Henderson Group's portfolio in Q1 2026, its #892 holding.
  • Janus Henderson Group first reported a position in Antero Midstream in Q4 2020 and has held it in 22 quarters since.
  • Janus Henderson Group's Antero Midstream position peaked at $9.73M in Q4 2022.
  • 510 funds tracked by Wall St. Rank held Antero Midstream as of Q1 2026.

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