YDMI
AMTM

Y.D. More Investments’s Amentum Holdings AMTM Stock Holding History

Y.D. More Investments’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 		$3.26K Sell
158
-178
-53% -$4.3K ﹤0.01% 431
2026
Q1 		$8.72K Sell
336
-2
-0.6% -$63 ﹤0.01% 375
2025
Q4 		$9.82K Sell
338
-182
-35% -$4.65K ﹤0.01% 364
2025
Q3 		$12.5K Sell
520
-259
-33% -$6.31K ﹤0.01% 365
2025
Q2 		$18.4K Buy
779
+355
+84% +$7.42K ﹤0.01% 357
2025
Q1 		$7.69K Sell
424
-6,366
-94% -$130K ﹤0.01% 395
2024
Q4 		$143K Buy
+6,790
New +$176K 0.01% 223

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

Y.D. More Investments's AMTM Position: Q2 2026 in Review

Y.D. More Investments reduced its Amentum Holdings (AMTM) stake by 53% in Q2 2026, selling an estimated $4.3K and leaving 158 shares worth $3.26K. The position accounts for ﹤0.01% of the portfolio, ranked #431.

Y.D. More Investments first reported a position in AMTM in Q4 2024 and has held it in 7 quarters since. The position peaked at $143K in Q4 2024. 458 funds tracked by Wall St. Rank hold AMTM as of Q2 2026.

  • Y.D. More Investments held 158 shares of Amentum Holdings worth $3.26K as of Q2 2026.
  • Y.D. More Investments sold 178 Amentum Holdings shares in Q2 2026, an estimated $4.3K.
  • Amentum Holdings made up ﹤0.01% of Y.D. More Investments's portfolio in Q2 2026, its #431 holding.
  • Y.D. More Investments first reported a position in Amentum Holdings in Q4 2024 and has held it in 7 quarters since.
  • Y.D. More Investments's Amentum Holdings position peaked at $143K in Q4 2024.
  • 458 funds tracked by Wall St. Rank held Amentum Holdings as of Q2 2026.

Based on Y.D. More Investments's 13F filing for Q2 2026, filed 5 Aug 2026.