Kovitz Investment Group Partners
AMTM

Kovitz Investment Group Partners’s Amentum Holdings AMTM Stock Holding History

Kovitz Investment Group Partners’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
Q4 		– Sell
-3,007,750
Closed -$72M – 1394
2025
Q3 		$72M Buy
3,007,750
+7,080
+0.2% +$172K 0.28% 76
2025
Q2 		$70.8M Sell
3,000,670
-74,635
-2% -$1.56M 0.3% 75
2025
Q1 		$56M Sell
3,075,305
-76,957
-2% -$1.57M 0.28% 83
2024
Q4 		$66.3M Buy
3,152,262
+3,017,236
+2,235% +$78M 0.32% 76
2024
Q3 		$4.3M Buy
+135,026
New +$3.85M 0.03% 367

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
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $169B AUM 114.72% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
FCM
Frontier Capital Management Boston, Massachusetts $10.7B AUM 67.78% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Focus Partners Wealth
Focus Partners Wealth Boston, Massachusetts $97.6B AUM 29.43% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Kovitz Investment Group Partners's AMTM Position: Q4 2025 in Review

Kovitz Investment Group Partners sold out of Amentum Holdings (AMTM) in Q4 2025, closing a stake of 3,007,750 shares — an estimated $72M sold.

Kovitz Investment Group Partners first reported a position in AMTM in Q3 2024 and held it in 5 quarters. The position peaked at $72M in Q3 2025. 483 funds tracked by Wall St. Rank hold AMTM as of Q4 2025.

  • Kovitz Investment Group Partners reported no remaining Amentum Holdings position as of Q4 2025 after selling out during the quarter.
  • Kovitz Investment Group Partners sold 3,007,750 Amentum Holdings shares in Q4 2025, an estimated $72M.
  • Kovitz Investment Group Partners first reported a position in Amentum Holdings in Q3 2024 and held it in 5 quarters.
  • Kovitz Investment Group Partners's Amentum Holdings position peaked at $72M in Q3 2025.
  • 483 funds tracked by Wall St. Rank held Amentum Holdings as of Q4 2025.

Based on Kovitz Investment Group Partners's 13F filing for Q4 2025, filed 20 Feb 2026.