QCG
AMTM

Quadrant Capital Group’s Amentum Holdings AMTM Stock Holding History

Quadrant Capital Group’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 		$269K Sell
13,002
-570
-4% -$13.8K 0.01% 1123
2026
Q1 		$354K Buy
13,572
+518
+4% +$16.3K 0.01% 1059
2025
Q4 		$379K Sell
13,054
-2
-0% -$51 0.01% 1057
2025
Q3 		$313K Sell
13,056
-2
-0% -$49 0.01% 1109
2025
Q2 		$308K Buy
13,058
+1,389
+12% +$29K 0.01% 1123
2025
Q1 		$212K Buy
11,669
+11,545
+9,310% +$235K 0.01% 1272
2024
Q4 		$2.61K Sell
124
-34
-22% -$879 ﹤0.01% 2459
2024
Q3 		$5.1K Buy
+158
New +$4.5K ﹤0.01% 2315

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

Quadrant Capital Group's AMTM Position: Q2 2026 in Review

Quadrant Capital Group reduced its Amentum Holdings (AMTM) stake by 4.2% in Q2 2026, selling an estimated $13.8K and leaving 13,002 shares worth $269K. The position accounts for 0.01% of the portfolio, ranked #1123.

Quadrant Capital Group first reported a position in AMTM in Q3 2024 and has held it in 8 quarters since. The position peaked at $379K in Q4 2025. 460 funds tracked by Wall St. Rank hold AMTM as of Q2 2026.

  • Quadrant Capital Group held 13,002 shares of Amentum Holdings worth $269K as of Q2 2026.
  • Quadrant Capital Group sold 570 Amentum Holdings shares in Q2 2026, an estimated $13.8K.
  • Amentum Holdings made up 0.01% of Quadrant Capital Group's portfolio in Q2 2026, its #1123 holding.
  • Quadrant Capital Group first reported a position in Amentum Holdings in Q3 2024 and has held it in 8 quarters since.
  • Quadrant Capital Group's Amentum Holdings position peaked at $379K in Q4 2025.
  • 460 funds tracked by Wall St. Rank held Amentum Holdings as of Q2 2026.

Based on Quadrant Capital Group's 13F filing for Q2 2026, filed 14 Aug 2026.