Horizon Investments’s Antero Midstream AM Stock Holding History

Horizon Investments’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	$240K	Sell	10,623 -212,489	-95%	-$4.39M	﹤0.01%	955
2025 Q4	$3.92M	Buy	223,112 +46,963	+27%	+$846K	0.05%	303
2025 Q3	$3.38M	Sell	176,149 -15,581	-8%	-$282K	0.04%	316
2025 Q2	$3.59M	Buy	191,730 +191,661	+277,770%	+$3.42M	0.06%	251
2025 Q1	$1.23K	Buy	+69	New	+$1.14K	﹤0.01%	794
2024 Q4	–	Sell	-122	Closed	-$1.81K	–	868
2024 Q3	$1.81K	Buy	122 +39	+47%	+$568	﹤0.01%	715
2024 Q2	$1.21K	Hold	83	–	–	﹤0.01%	734
2024 Q1	$1.15K	Buy	+83	New	+$1.06K	﹤0.01%	731

Other funds holding AM

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

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 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 Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Bank of New York Mellon New York $544B AUM 28.31% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

Neuberger Berman Group New York $131B AUM 28.36% 1-Year Est. Return

Horizon Investments's AM Position: Q1 2026 in Review

Horizon Investments reduced its Antero Midstream (AM) stake by 95% in Q1 2026, selling an estimated $4.39M and leaving 10,623 shares worth $240K. The position accounts for ﹤0.01% of the portfolio, ranked #955.

Horizon Investments first reported a position in AM in Q1 2024 and has held it in 8 quarters since. The position peaked at $3.92M in Q4 2025. 510 funds tracked by Wall St. Rank hold AM as of Q1 2026.

Horizon Investments held 10,623 shares of Antero Midstream worth $240K as of Q1 2026.
Horizon Investments sold 212,489 Antero Midstream shares in Q1 2026, an estimated $4.39M.
Antero Midstream made up ﹤0.01% of Horizon Investments's portfolio in Q1 2026, its #955 holding.
Horizon Investments first reported a position in Antero Midstream in Q1 2024 and has held it in 8 quarters since.
Horizon Investments's Antero Midstream position peaked at $3.92M in Q4 2025.
510 funds tracked by Wall St. Rank held Antero Midstream as of Q1 2026.

Based on Horizon Investments's 13F filing for Q1 2026, filed 15 May 2026.