Osaic Holdings
AMTM

Osaic Holdings’s Amentum Holdings AMTM Stock Holding History

Osaic Holdings’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 		$1.58M Buy
76,280
+49,217
+182% +$1.19M ﹤0.01% 2541
2026
Q1 		$706K Sell
27,063
-2,063
-7% -$64.7K ﹤0.01% 3029
2025
Q4 		$845K Buy
29,126
+2,537
+10% +$64.9K ﹤0.01% 2862
2025
Q3 		$645K Buy
26,589
+4,596
+21% +$112K ﹤0.01% 3209
2025
Q2 		$519K Buy
21,993
+1,396
+7% +$29.2K ﹤0.01% 3102
2025
Q1 		$375K Buy
20,597
+618
+3% +$12.6K ﹤0.01% 3120
2024
Q4 		$420K Buy
19,979
+7,797
+64% +$202K ﹤0.01% 2950
2024
Q3 		$393K Buy
+12,182
New +$347K ﹤0.01% 3088

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

Osaic Holdings's AMTM Position: Q2 2026 in Review

Osaic Holdings increased its Amentum Holdings (AMTM) stake by 182% in Q2 2026, buying an estimated $1.19M and bringing the position to 76,280 shares worth $1.58M. The position accounts for ﹤0.01% of the portfolio, ranked #2541.

Osaic Holdings first reported a position in AMTM in Q3 2024 and has held it in 8 quarters since. 458 funds tracked by Wall St. Rank hold AMTM as of Q2 2026.

  • Osaic Holdings held 76,280 shares of Amentum Holdings worth $1.58M as of Q2 2026.
  • Osaic Holdings bought 49,217 Amentum Holdings shares in Q2 2026, an estimated $1.19M.
  • Amentum Holdings made up ﹤0.01% of Osaic Holdings's portfolio in Q2 2026, its #2541 holding.
  • Osaic Holdings first reported a position in Amentum Holdings in Q3 2024 and has held it in 8 quarters since.
  • 458 funds tracked by Wall St. Rank held Amentum Holdings as of Q2 2026.

Based on Osaic Holdings's 13F filing for Q2 2026, filed 14 Aug 2026.