LAM
AM icon

Longboard Asset Management’s Antero Midstream AM Stock Holding History

Longboard 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
2025
Q3 		– Sell
-15,931
Closed -$302K – 265
2025
Q2 		$302K Hold
15,931
– – 0.75% 9
2025
Q1 		$287K Hold
15,931
– – 0.84% 9
2024
Q4 		$240K Buy
+15,931
New +$243K 0.64% 33

Other funds holding AM

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
TCA
Tortoise Capital Advisors Overland Park, Kansas $9.6B AUM 19.53% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $544B AUM 28.31% 1-Year Est. Return
Neuberger Berman Group
Neuberger Berman Group New York $131B AUM 28.36% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Longboard Asset Management's AM Position: Q3 2025 in Review

Longboard Asset Management sold out of Antero Midstream (AM) in Q3 2025, closing a stake of 15,931 shares — an estimated $302K sold.

Longboard Asset Management first reported a position in AM in Q4 2024 and held it in 3 quarters. The position peaked at $302K in Q2 2025. 464 funds tracked by Wall St. Rank hold AM as of Q3 2025.

  • Longboard Asset Management reported no remaining Antero Midstream position as of Q3 2025 after selling out during the quarter.
  • Longboard Asset Management sold 15,931 Antero Midstream shares in Q3 2025, an estimated $302K.
  • Longboard Asset Management first reported a position in Antero Midstream in Q4 2024 and held it in 3 quarters.
  • Longboard Asset Management's Antero Midstream position peaked at $302K in Q2 2025.
  • 464 funds tracked by Wall St. Rank held Antero Midstream as of Q3 2025.

Based on Longboard Asset Management's 13F filing for Q3 2025, filed 22 Oct 2025.