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
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 $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

Simplex Trading's AM Position: Q1 2026 in Review

Simplex Trading opened a new position in Antero Midstream (AM) in Q1 2026: 12,653 shares worth $288K. The stake represents ﹤0.01% of the portfolio and ranks #3869 among its holdings. This is a return to the name: Simplex Trading previously reported a position in AM as recently as Q2 2025.

Simplex Trading first reported a position in AM in Q3 2018 and has held it in 18 quarters since. The position peaked at $564K in Q2 2022. 510 funds tracked by Wall St. Rank hold AM as of Q1 2026.

  • Simplex Trading held 12,653 shares of Antero Midstream worth $288K as of Q1 2026.
  • Antero Midstream was a new Simplex Trading position in Q1 2026.
  • Antero Midstream made up ﹤0.01% of Simplex Trading's portfolio in Q1 2026, its #3869 holding.
  • Simplex Trading first reported a position in Antero Midstream in Q3 2018 and has held it in 18 quarters since.
  • Simplex Trading's Antero Midstream position peaked at $564K in Q2 2022.
  • 510 funds tracked by Wall St. Rank held Antero Midstream as of Q1 2026.

Based on Simplex Trading's 13F filing for Q1 2026, filed 14 May 2026.