RS
AMTM

Rakuten Securities’s Amentum Holdings AMTM Stock Holding History

Rakuten Securities’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 		$1.14K Sell
55
-81
-60% -$1.96K ﹤0.01% 716
2026
Q1 		$3.55K Buy
136
+95
+232% +$2.98K ﹤0.01% 549
2025
Q4 		$1.19K Sell
41
-33
-45% -$844 ﹤0.01% 673
2025
Q3 		$1.77K Sell
74
-234
-76% -$5.7K ﹤0.01% 640
2025
Q2 		$7.27K Buy
308
+238
+340% +$4.97K ﹤0.01% 453
2025
Q1 		$1.27K Buy
+70
New +$1.43K ﹤0.01% 642

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

Rakuten Securities's AMTM Position: Q2 2026 in Review

Rakuten Securities reduced its Amentum Holdings (AMTM) stake by 60% in Q2 2026, selling an estimated $1.96K and leaving 55 shares worth $1.14K. The position accounts for ﹤0.01% of the portfolio, ranked #716.

Rakuten Securities first reported a position in AMTM in Q1 2025 and has held it in 6 quarters since. The position peaked at $7.27K in Q2 2025. 458 funds tracked by Wall St. Rank hold AMTM as of Q2 2026.

  • Rakuten Securities held 55 shares of Amentum Holdings worth $1.14K as of Q2 2026.
  • Rakuten Securities sold 81 Amentum Holdings shares in Q2 2026, an estimated $1.96K.
  • Amentum Holdings made up ﹤0.01% of Rakuten Securities's portfolio in Q2 2026, its #716 holding.
  • Rakuten Securities first reported a position in Amentum Holdings in Q1 2025 and has held it in 6 quarters since.
  • Rakuten Securities's Amentum Holdings position peaked at $7.27K in Q2 2025.
  • 458 funds tracked by Wall St. Rank held Amentum Holdings as of Q2 2026.

Based on Rakuten Securities's 13F filing for Q2 2026, filed 12 Aug 2026.