JCM
AMTM

Janney Capital Management’s Amentum Holdings AMTM Stock Holding History

Janney Capital Management’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 		$241K Buy
+8,306
New +$212K 0.02% 240
2025
Q1 		– Sell
-10,039
Closed -$211K – 255
2024
Q4 		$211K Buy
+10,039
New +$259K 0.01% 241

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

Janney Capital Management's AMTM Position: Q4 2025 in Review

Janney Capital Management opened a new position in Amentum Holdings (AMTM) in Q4 2025: 8,306 shares worth $241K. The stake represents 0.02% of the portfolio and ranks #240 among its holdings. This is a return to the name: Janney Capital Management previously reported a position in AMTM as recently as Q4 2024.

Janney Capital Management first reported a position in AMTM in Q4 2024 and has held it in 2 quarters since. 483 funds tracked by Wall St. Rank hold AMTM as of Q4 2025.

  • Janney Capital Management held 8,306 shares of Amentum Holdings worth $241K as of Q4 2025.
  • Amentum Holdings was a new Janney Capital Management position in Q4 2025.
  • Amentum Holdings made up 0.02% of Janney Capital Management's portfolio in Q4 2025, its #240 holding.
  • Janney Capital Management first reported a position in Amentum Holdings in Q4 2024 and has held it in 2 quarters since.
  • 483 funds tracked by Wall St. Rank held Amentum Holdings as of Q4 2025.

Based on Janney Capital Management's 13F filing for Q4 2025, filed 11 Feb 2026.