Boston Family Office’s Antero Midstream AM Stock Holding History

Boston Family Office’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	$798K	Hold	35,000	–	–	0.05%	185
2025 Q4	$623K	Hold	35,000	–	–	0.04%	193
2025 Q3	$680K	Hold	35,000	–	–	0.04%	186
2025 Q2	$663K	Hold	35,000	–	–	0.04%	186
2025 Q1	$630K	Hold	35,000	–	–	0.04%	181
2024 Q4	$528K	Hold	35,000	–	–	0.04%	193
2024 Q3	$527K	Buy	35,000 +20,000	+133%	+$291K	0.04%	196
2024 Q2	$221K	Hold	15,000	–	–	0.02%	247
2024 Q1	$211K	Hold	15,000	–	–	0.02%	247
2023 Q4	$188K	Hold	15,000	–	–	0.01%	256
2023 Q3	$180K	Hold	15,000	–	–	0.01%	248
2023 Q2	$174K	Hold	15,000	–	–	0.01%	255
2023 Q1	$158K	Hold	15,000	–	–	0.01%	259
2022 Q4	$162K	Hold	15,000	–	–	0.01%	266
2022 Q3	$138K	Hold	15,000	–	–	0.01%	260
2022 Q2	$136K	Hold	15,000	–	–	0.01%	266
2022 Q1	$163K	Hold	15,000	–	–	0.01%	284
2021 Q4	$145K	Hold	15,000	–	–	0.01%	280
2021 Q3	$156K	Hold	15,000	–	–	0.01%	277
2021 Q2	$156K	Hold	15,000	–	–	0.01%	276
2021 Q1	$135K	Hold	15,000	–	–	0.01%	264
2020 Q4	$116K	Hold	15,000	–	–	0.01%	257
2020 Q3	$81K	Hold	15,000	–	–	0.01%	235
2020 Q2	$76K	Buy	+15,000	New	+$66.4K	0.01%	241

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

Boston Family Office's AM Position: Q1 2026 in Review

Boston Family Office held its Antero Midstream (AM) position steady in Q1 2026 at 35,000 shares worth $798K. The position accounts for 0.05% of the portfolio, ranked #185.

Boston Family Office first reported a position in AM in Q2 2020 and has held it in 24 quarters since. 510 funds tracked by Wall St. Rank hold AM as of Q1 2026.

Boston Family Office held 35,000 shares of Antero Midstream worth $798K as of Q1 2026.
Boston Family Office left its Antero Midstream share count unchanged in Q1 2026.
Antero Midstream made up 0.05% of Boston Family Office's portfolio in Q1 2026, its #185 holding.
Boston Family Office first reported a position in Antero Midstream in Q2 2020 and has held it in 24 quarters since.
510 funds tracked by Wall St. Rank held Antero Midstream as of Q1 2026.

Based on Boston Family Office's 13F filing for Q1 2026, filed 13 May 2026.