Simplex Trading
AM icon

Simplex Trading’s Antero Midstream AM Stock Holding History

Simplex Trading’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 		– Sell
-12,653
Closed -$275K – 9209
2026
Q1 		$288K Buy
+12,653
New +$261K ﹤0.01% 3869
2025
Q3 		– Sell
-26,747
Closed -$483K – 8970
2025
Q2 		$506K Buy
+26,747
New +$478K ﹤0.01% 3497
2024
Q4 		– Sell
-7,382
Closed -$112K – 8416
2024
Q3 		$111K Buy
+7,382
New +$108K ﹤0.01% 5119
2024
Q2 		– Sell
-21,255
Closed -$305K – 8687
2024
Q1 		$298K Buy
21,255
+1,022
+5% +$13.1K ﹤0.01% 4397
2023
Q4 		$253K Buy
+20,233
New +$255K ﹤0.01% 4414
2022
Q4 		– Sell
-9,126
Closed -$96.8K – 9111
2022
Q3 		$83K Sell
9,126
-53,286
-85% -$525K ﹤0.01% 5767
2022
Q2 		$564K Buy
+62,412
New +$649K ﹤0.01% 3296
2022
Q1 		– Sell
-10,993
Closed -$112K – 10290
2021
Q4 		$106K Buy
10,993
+10,672
+3,325% +$111K ﹤0.01% 6161
2021
Q3 		$3K Sell
321
-2,132
-87% -$20.9K ﹤0.01% 9393
2021
Q2 		$25K Sell
2,453
-23,356
-90% -$223K ﹤0.01% 8369
2021
Q1 		$233K Buy
+25,809
New +$222K ﹤0.01% 4521
2020
Q3 		– Sell
-20,751
Closed -$126K – 7713
2020
Q2 		$105K Sell
20,751
-5,788
-22% -$25.6K ﹤0.01% 4737
2020
Q1 		$55K Buy
26,539
+19,506
+277% +$93.1K ﹤0.01% 5023
2019
Q4 		$53K Buy
+7,033
New +$44.5K ﹤0.01% 5125
2019
Q3 		– Sell
-19,514
Closed -$168K – 7180
2019
Q2 		$223K Sell
19,514
-13,254
-40% -$170K ﹤0.01% 3353
2019
Q1 		$451K Buy
32,768
+32,289
+6,741% +$422K ﹤0.01% 2765
2018
Q4 		$5K Sell
479
-15,030
-97% -$229K ﹤0.01% 6186
2018
Q3 		$262K Buy
+15,509
New +$284K ﹤0.01% 3331

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

Simplex Trading's AM Position: Q2 2026 in Review

Simplex Trading sold out of Antero Midstream (AM) in Q2 2026, closing a stake of 12,653 shares — an estimated $275K sold.

Simplex Trading first reported a position in AM in Q3 2018 and held it in 18 quarters. The position peaked at $564K in Q2 2022. 533 funds tracked by Wall St. Rank hold AM as of Q2 2026.

  • Simplex Trading reported no remaining Antero Midstream position as of Q2 2026 after selling out during the quarter.
  • Simplex Trading sold 12,653 Antero Midstream shares in Q2 2026, an estimated $275K.
  • Simplex Trading first reported a position in Antero Midstream in Q3 2018 and held it in 18 quarters.
  • Simplex Trading's Antero Midstream position peaked at $564K in Q2 2022.
  • 533 funds tracked by Wall St. Rank held Antero Midstream as of Q2 2026.

Based on Simplex Trading's 13F filing for Q2 2026, filed 12 Aug 2026.