GC
AMTM

Guidance Capital’s Amentum Holdings AMTM Stock Holding History

Guidance Capital’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 		$433K Buy
20,853
+1,382
+7% +$33.4K 0.09% 175
2026
Q1 		$474K Buy
+19,471
New +$611K 0.11% 166

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
TCA
Troluce Capital Advisors Dorado, Puerto Rico $971M AUM 2.27% 1-Year Est. Return

Guidance Capital's AMTM Position: Q2 2026 in Review

Guidance Capital increased its Amentum Holdings (AMTM) stake by 7.1% in Q2 2026, buying an estimated $33.4K and bringing the position to 20,853 shares worth $433K. The position accounts for 0.09% of the portfolio, ranked #175.

Guidance Capital first reported a position in AMTM in Q1 2026 and has held it in 2 quarters since. The position peaked at $474K in Q1 2026. 458 funds tracked by Wall St. Rank hold AMTM as of Q2 2026.

  • Guidance Capital held 20,853 shares of Amentum Holdings worth $433K as of Q2 2026.
  • Guidance Capital bought 1,382 Amentum Holdings shares in Q2 2026, an estimated $33.4K.
  • Amentum Holdings made up 0.09% of Guidance Capital's portfolio in Q2 2026, its #175 holding.
  • Guidance Capital first reported a position in Amentum Holdings in Q1 2026 and has held it in 2 quarters since.
  • Guidance Capital's Amentum Holdings position peaked at $474K in Q1 2026.
  • 458 funds tracked by Wall St. Rank held Amentum Holdings as of Q2 2026.

Based on Guidance Capital's 13F filing for Q2 2026, filed 20 Jul 2026.