OIA
AMTM

Optimum Investment Advisors’s Amentum Holdings AMTM Stock Holding History

Optimum Investment 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
2025
Q3 		$8.91K Hold
372
– – ﹤0.01% 515
2025
Q2 		$8.78K Sell
372
-129
-26% -$2.7K ﹤0.01% 518
2025
Q1 		$9.12K Hold
501
– – ﹤0.01% 524
2024
Q4 		$10.5K Hold
501
– – ﹤0.01% 503
2024
Q3 		$16.2K Buy
+501
New +$14.3K 0.01% 479

Other funds holding AMTM

AS
American Securities New York $3.93B AUM 52.22% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $127B AUM 44.11% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
FCM
Frontier Capital Management Boston, Massachusetts $9.73B AUM 55.65% 1-Year Est. Return
Kovitz Investment Group Partners
Kovitz Investment Group Partners Chicago, Illinois $4.31B AUM 20.41% 1-Year Est. Return
TSW
Thompson Siegel & Walmsley Richmond, Virginia $5.7B AUM 6.69% 1-Year Est. Return

Optimum Investment Advisors's AMTM Position: Q3 2025 in Review

Optimum Investment Advisors held its Amentum Holdings (AMTM) position steady in Q3 2025 at 372 shares worth $8.91K. The position accounts for ﹤0.01% of the portfolio, ranked #515.

Optimum Investment Advisors first reported a position in AMTM in Q3 2024 and has held it in 5 quarters since. The position peaked at $16.2K in Q3 2024. 462 funds tracked by Wall St. Rank hold AMTM as of Q3 2025.

  • Optimum Investment Advisors held 372 shares of Amentum Holdings worth $8.91K as of Q3 2025.
  • Optimum Investment Advisors left its Amentum Holdings share count unchanged in Q3 2025.
  • Amentum Holdings made up ﹤0.01% of Optimum Investment Advisors's portfolio in Q3 2025, its #515 holding.
  • Optimum Investment Advisors first reported a position in Amentum Holdings in Q3 2024 and has held it in 5 quarters since.
  • Optimum Investment Advisors's Amentum Holdings position peaked at $16.2K in Q3 2024.
  • 462 funds tracked by Wall St. Rank held Amentum Holdings as of Q3 2025.

Based on Optimum Investment Advisors's 13F filing for Q3 2025, filed 21 Oct 2025.