TCA
AMTM

Troluce Capital Advisors’s Amentum Holdings AMTM Stock Holding History

Troluce Capital Advisors’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 		$73.7M Buy
3,565,399
+2,565,399
+257% +$62M 7.59% 4
2026
Q1 		$26.1M Buy
+1,000,000
New +$31.4M 1.6% 20

Other funds holding AMTM

Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
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
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Troluce Capital Advisors's AMTM Position: Q2 2026 in Review

Troluce Capital Advisors increased its Amentum Holdings (AMTM) stake by 257% in Q2 2026, buying an estimated $62M and bringing the position to 3,565,399 shares worth $73.7M. The position accounts for 7.59% of the portfolio, ranked #4.

Troluce Capital Advisors first reported a position in AMTM in Q1 2026 and has held it in 2 quarters since. 458 funds tracked by Wall St. Rank hold AMTM as of Q2 2026.

  • Troluce Capital Advisors held 3,565,399 shares of Amentum Holdings worth $73.7M as of Q2 2026.
  • Troluce Capital Advisors bought 2,565,399 Amentum Holdings shares in Q2 2026, an estimated $62M.
  • Amentum Holdings made up 7.59% of Troluce Capital Advisors's portfolio in Q2 2026, its #4 holding.
  • Troluce Capital Advisors first reported a position in Amentum Holdings in Q1 2026 and has held it in 2 quarters since.
  • 458 funds tracked by Wall St. Rank held Amentum Holdings as of Q2 2026.

Based on Troluce Capital Advisors's 13F filing for Q2 2026, filed 14 Aug 2026.