CFO
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Callan Family Office’s Antero Midstream AM Stock Holding History

Callan 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
Q2 		$420K Buy
18,481
+212
+1% +$4.6K 0.01% 872
2026
Q1 		$417K Buy
18,269
+70
+0.4% +$1.45K 0.01% 828
2025
Q4 		$324K Buy
+18,199
New +$328K 0.01% 905

Other funds holding AM

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
Geode Capital Management
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
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Neuberger Berman Group
Neuberger Berman Group New York $150B AUM 40.08% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $609B AUM 40.19% 1-Year Est. Return

Callan Family Office's AM Position: Q2 2026 in Review

Callan Family Office increased its Antero Midstream (AM) stake by 1.2% in Q2 2026, buying an estimated $4.6K and bringing the position to 18,481 shares worth $420K. The position accounts for 0.01% of the portfolio, ranked #872.

Callan Family Office first reported a position in AM in Q4 2025 and has held it in 3 quarters since. 534 funds tracked by Wall St. Rank hold AM as of Q2 2026.

  • Callan Family Office held 18,481 shares of Antero Midstream worth $420K as of Q2 2026.
  • Callan Family Office bought 212 Antero Midstream shares in Q2 2026, an estimated $4.6K.
  • Antero Midstream made up 0.01% of Callan Family Office's portfolio in Q2 2026, its #872 holding.
  • Callan Family Office first reported a position in Antero Midstream in Q4 2025 and has held it in 3 quarters since.
  • 534 funds tracked by Wall St. Rank held Antero Midstream as of Q2 2026.

Based on Callan Family Office's 13F filing for Q2 2026, filed 11 Aug 2026.