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Oppenheimer & Co’s Antero Midstream AM Stock Holding History

Oppenheimer & Co’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 		$5.37M Buy
236,110
+210,480
+821% +$4.57M 0.06% 339
2026
Q1 		$584K Sell
25,630
-124,382
-83% -$2.57M 0.01% 1124
2025
Q4 		$2.67M Sell
150,012
-354,743
-70% -$6.39M 0.04% 464
2025
Q3 		$9.81M Buy
504,755
+146,300
+41% +$2.64M 0.12% 177
2025
Q2 		$6.79M Sell
358,455
-383,802
-52% -$6.86M 0.09% 241
2025
Q1 		$13.4M Buy
742,257
+48,261
+7% +$799K 0.2% 109
2024
Q4 		$10.5M Buy
693,996
+7,063
+1% +$108K 0.16% 136
2024
Q3 		$10.3M Buy
686,933
+293,238
+74% +$4.27M 0.16% 142
2024
Q2 		$5.8M Sell
393,695
-143,594
-27% -$2.06M 0.09% 244
2024
Q1 		$7.55M Buy
537,289
+110,982
+26% +$1.42M 0.13% 188
2023
Q4 		$5.34M Buy
426,307
+201,572
+90% +$2.54M 0.1% 238
2023
Q3 		$2.69M Sell
224,735
-114,066
-34% -$1.35M 0.06% 380
2023
Q2 		$3.93M Sell
338,801
-242,770
-42% -$2.58M 0.08% 284
2023
Q1 		$6.1M Sell
581,571
-78,255
-12% -$832K 0.13% 194
2022
Q4 		$7.12M Buy
659,826
+164,477
+33% +$1.75M 0.16% 156
2022
Q3 		$4.55M Sell
495,349
-27,072
-5% -$267K 0.11% 235
2022
Q2 		$4.73M Buy
522,421
+16,770
+3% +$175K 0.1% 241
2022
Q1 		$5.5M Buy
505,651
+89,475
+21% +$908K 0.1% 252
2021
Q4 		$4.03M Sell
416,176
-59,563
-13% -$618K 0.07% 321
2021
Q3 		$4.96M Buy
475,739
+69,193
+17% +$678K 0.09% 256
2021
Q2 		$4.22M Buy
406,546
+11,326
+3% +$108K 0.08% 306
2021
Q1 		$3.57M Buy
395,220
+212,337
+116% +$1.83M 0.07% 321
2020
Q4 		$1.41M Buy
182,883
+52,111
+40% +$353K 0.03% 537
2020
Q3 		$702K Buy
130,772
+50,472
+63% +$308K 0.02% 700
2020
Q2 		$409K Buy
80,300
+46,396
+137% +$205K 0.01% 870
2020
Q1 		$71K Sell
33,904
-7,550
-18% -$36K ﹤0.01% 1139
2019
Q4 		$315K Sell
41,454
-29,804
-42% -$189K 0.01% 1004
2019
Q3 		$527K Buy
71,258
+3,447
+5% +$29.8K 0.01% 776
2019
Q2 		$777K Buy
+67,811
New +$868K 0.02% 672

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

Oppenheimer & Co's AM Position: Q2 2026 in Review

Oppenheimer & Co increased its Antero Midstream (AM) stake by 821% in Q2 2026, buying an estimated $4.57M and bringing the position to 236,110 shares worth $5.37M. The position accounts for 0.06% of the portfolio, ranked #339.

Oppenheimer & Co first reported a position in AM in Q2 2019 and has held it in 29 quarters since. The position peaked at $13.4M in Q1 2025. 533 funds tracked by Wall St. Rank hold AM as of Q2 2026.

  • Oppenheimer & Co held 236,110 shares of Antero Midstream worth $5.37M as of Q2 2026.
  • Oppenheimer & Co bought 210,480 Antero Midstream shares in Q2 2026, an estimated $4.57M.
  • Antero Midstream made up 0.06% of Oppenheimer & Co's portfolio in Q2 2026, its #339 holding.
  • Oppenheimer & Co first reported a position in Antero Midstream in Q2 2019 and has held it in 29 quarters since.
  • Oppenheimer & Co's Antero Midstream position peaked at $13.4M in Q1 2025.
  • 533 funds tracked by Wall St. Rank held Antero Midstream as of Q2 2026.

Based on Oppenheimer & Co's 13F filing for Q2 2026, filed 3 Aug 2026.