LIP
AMTM

Lighthouse Investment Partners’s Amentum Holdings AMTM Stock Holding History

Lighthouse Investment Partners’s Portfolio AMTM Stock Details AMTM Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		– Sell
-12,099
Closed -$316K – 986
2026
Q1 		$316K Buy
+12,099
New +$380K 0.01% 592

Other funds holding AMTM

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BlackRock
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Primecap Management
Primecap Management Pasadena, California $169B AUM 114.72% 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
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
FCM
Frontier Capital Management Boston, Massachusetts $10.7B AUM 67.78% 1-Year Est. Return
TCA
Troluce Capital Advisors Dorado, Puerto Rico $971M AUM 2.27% 1-Year Est. Return

Lighthouse Investment Partners's AMTM Position: Q2 2026 in Review

Lighthouse Investment Partners sold out of Amentum Holdings (AMTM) in Q2 2026, closing a stake of 12,099 shares — an estimated $316K sold.

Lighthouse Investment Partners first reported a position in AMTM in Q1 2026 and held it in 1 quarter. The position peaked at $316K in Q1 2026. 458 funds tracked by Wall St. Rank hold AMTM as of Q2 2026.

  • Lighthouse Investment Partners reported no remaining Amentum Holdings position as of Q2 2026 after selling out during the quarter.
  • Lighthouse Investment Partners sold 12,099 Amentum Holdings shares in Q2 2026, an estimated $316K.
  • Lighthouse Investment Partners first reported a position in Amentum Holdings in Q1 2026 and held it in 1 quarter.
  • Lighthouse Investment Partners's Amentum Holdings position peaked at $316K in Q1 2026.
  • 458 funds tracked by Wall St. Rank held Amentum Holdings as of Q2 2026.

Based on Lighthouse Investment Partners's 13F filing for Q2 2026, filed 14 Aug 2026.