SeaBridge Investment Advisors’s Antero Midstream AM Stock Holding History

SeaBridge Investment Advisors’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	$2.69M	Sell	118,372 -2,556	-2%	-$55.5K	0.39%	66
2026 Q1	$2.76M	Sell	120,928 -4,492	-4%	-$92.8K	0.47%	63
2025 Q4	$2.23M	Sell	125,420 -5,791	-4%	-$104K	0.37%	72
2025 Q3	$2.55M	Sell	131,211 -2,734	-2%	-$49.4K	0.41%	71
2025 Q2	$2.54M	Sell	133,945 -792	-0.6%	-$14.2K	0.47%	68
2025 Q1	$2.43M	Sell	134,737 -82	-0.1%	-$1.36K	0.52%	61
2024 Q4	$2.03M	Buy	134,819 +878	+0.7%	+$13.4K	0.43%	71
2024 Q3	$2.02M	Sell	133,941 -3,683	-3%	-$53.7K	0.49%	63
2024 Q2	$2.03M	Buy	137,624 +43,063	+46%	+$618K	0.53%	59
2024 Q1	$1.33M	Sell	94,561 -3,294	-3%	-$42.1K	0.35%	85
2023 Q4	$1.23M	Buy	+97,855	New	+$1.23M	0.36%	84
2020 Q4	–	Sell	-7,000	Closed	-$38K	–	135
2020 Q3	$38K	Buy	+7,000	New	+$42.7K	0.01%	182

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 $3.38T AUM 44.17% 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

SeaBridge Investment Advisors's AM Position: Q2 2026 in Review

SeaBridge Investment Advisors reduced its Antero Midstream (AM) stake by 2.1% in Q2 2026, selling an estimated $55.5K and leaving 118,372 shares worth $2.69M. The position accounts for 0.39% of the portfolio, ranked #66.

SeaBridge Investment Advisors first reported a position in AM in Q3 2020 and has held it in 12 quarters since. The position peaked at $2.76M in Q1 2026. 534 funds tracked by Wall St. Rank hold AM as of Q2 2026.

SeaBridge Investment Advisors held 118,372 shares of Antero Midstream worth $2.69M as of Q2 2026.
SeaBridge Investment Advisors sold 2,556 Antero Midstream shares in Q2 2026, an estimated $55.5K.
Antero Midstream made up 0.39% of SeaBridge Investment Advisors's portfolio in Q2 2026, its #66 holding.
SeaBridge Investment Advisors first reported a position in Antero Midstream in Q3 2020 and has held it in 12 quarters since.
SeaBridge Investment Advisors's Antero Midstream position peaked at $2.76M in Q1 2026.
534 funds tracked by Wall St. Rank held Antero Midstream as of Q2 2026.

Based on SeaBridge Investment Advisors's 13F filing for Q2 2026, filed 17 Jul 2026.