UBS AM
AMTM

UBS AM’s Amentum Holdings AMTM Stock Holding History

UBS AM’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 		$5.16M Buy
249,725
+1,768
+0.7% +$42.8K ﹤0.01% 1596
2026
Q1 		$6.47M Sell
247,957
-5,059
-2% -$159K ﹤0.01% 1434
2025
Q4 		$7.34M Sell
253,016
-24,881
-9% -$636K ﹤0.01% 1271
2025
Q3 		$6.66M Sell
277,897
-152,645
-35% -$3.72M ﹤0.01% 1233
2025
Q2 		$10.2M Buy
430,542
+157,259
+58% +$3.29M ﹤0.01% 1350
2025
Q1 		$4.97M Sell
273,283
-451
-0.2% -$9.19K ﹤0.01% 1579
2024
Q4 		$5.76M Sell
273,734
-400,433
-59% -$10.4M ﹤0.01% 1537
2024
Q3 		$21.7M Buy
+674,167
New +$19.2M 0.01% 910

Other funds holding AMTM

AS
American Securities New York $3.75B AUM 23.12% 1-Year Est. Return
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

UBS AM's AMTM Position: Q2 2026 in Review

UBS AM increased its Amentum Holdings (AMTM) stake by 0.71% in Q2 2026, buying an estimated $42.8K and bringing the position to 249,725 shares worth $5.16M. The position accounts for ﹤0.01% of the portfolio, ranked #1596.

UBS AM first reported a position in AMTM in Q3 2024 and has held it in 8 quarters since. The position peaked at $21.7M in Q3 2024. 462 funds tracked by Wall St. Rank hold AMTM as of Q2 2026.

  • UBS AM held 249,725 shares of Amentum Holdings worth $5.16M as of Q2 2026.
  • UBS AM bought 1,768 Amentum Holdings shares in Q2 2026, an estimated $42.8K.
  • Amentum Holdings made up ﹤0.01% of UBS AM's portfolio in Q2 2026, its #1596 holding.
  • UBS AM first reported a position in Amentum Holdings in Q3 2024 and has held it in 8 quarters since.
  • UBS AM's Amentum Holdings position peaked at $21.7M in Q3 2024.
  • 462 funds tracked by Wall St. Rank held Amentum Holdings as of Q2 2026.

Based on UBS AM's 13F filing for Q2 2026, filed 13 Aug 2026.