Liberty Mutual Group Asset Management’s Antero Midstream AM Stock Holding History

Liberty Mutual Group Asset Management’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	$0	Hold	32,312	–	–	﹤0.01%	38
2026 Q1	$0	Hold	32,312	–	–	﹤0.01%	28
2025 Q4	$0	Hold	32,312	–	–	﹤0.01%	28
2025 Q3	$0	Hold	32,312	–	–	﹤0.01%	12
2025 Q2	$0	Hold	32,312	–	–	﹤0.01%	19
2025 Q1	$0	Hold	32,312	–	–	﹤0.01%	15
2024 Q4	$0	Buy	+32,312	New	+$492K	﹤0.01%	15
2022 Q2	–	Sell	-32,312	Closed	-$351K	–	132
2022 Q1	$351K	Buy	32,312 +14,974	+86%	+$152K	0.01%	136
2021 Q4	$168K	Buy	+17,338	New	+$180K	0.01%	66

Other funds holding AM

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

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 Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Neuberger Berman Group New York $150B AUM 40.08% 1-Year Est. Return

Bank of New York Mellon New York $609B AUM 40.19% 1-Year Est. Return

Liberty Mutual Group Asset Management's AM Position: Q2 2026 in Review

Liberty Mutual Group Asset Management held its Antero Midstream (AM) position steady in Q2 2026 at 32,312 shares worth $0. The position accounts for ﹤0.01% of the portfolio, ranked #38.

Liberty Mutual Group Asset Management first reported a position in AM in Q4 2021 and has held it in 9 quarters since. The position peaked at $351K in Q1 2022. 531 funds tracked by Wall St. Rank hold AM as of Q2 2026.

Liberty Mutual Group Asset Management held 32,312 shares of Antero Midstream worth $0 as of Q2 2026.
Liberty Mutual Group Asset Management left its Antero Midstream share count unchanged in Q2 2026.
Antero Midstream made up ﹤0.01% of Liberty Mutual Group Asset Management's portfolio in Q2 2026, its #38 holding.
Liberty Mutual Group Asset Management first reported a position in Antero Midstream in Q4 2021 and has held it in 9 quarters since.
Liberty Mutual Group Asset Management's Antero Midstream position peaked at $351K in Q1 2022.
531 funds tracked by Wall St. Rank held Antero Midstream as of Q2 2026.

Based on Liberty Mutual Group Asset Management's 13F filing for Q2 2026, filed 14 Aug 2026.