Massachusetts Financial Services
AMTM

Massachusetts Financial Services’s Amentum Holdings AMTM Stock Holding History

Massachusetts Financial Services’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
2024
Q4 		– Sell
-1,228,298
Closed -$39.6M – 932
2024
Q3 		$39.6M Buy
+1,228,298
New +$35M 0.01% 501

Other funds holding AMTM

AS
American Securities New York $3.75B AUM 23.12% 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
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $169B AUM 114.72% 1-Year Est. Return
CCPM
Cooper Creek Partners Management New York $4.21B AUM 44.81% 1-Year Est. Return
Kovitz Investment Group Partners
Kovitz Investment Group Partners Chicago, Illinois $4.52B AUM 31.84% 1-Year Est. Return
Allspring Global Investments
Allspring Global Investments Charlotte, North Carolina $65.2B AUM 39.42% 1-Year Est. Return
RCG
Ruane, Cunniff & Goldfarb New York $6.43B AUM 18.44% 1-Year Est. Return

Massachusetts Financial Services's AMTM Position: Q4 2024 in Review

Massachusetts Financial Services sold out of Amentum Holdings (AMTM) in Q4 2024, closing a stake of 1,228,298 shares — an estimated $39.6M sold.

Massachusetts Financial Services first reported a position in AMTM in Q3 2024 and held it in 1 quarter. The position peaked at $39.6M in Q3 2024. 451 funds tracked by Wall St. Rank hold AMTM as of Q4 2024.

  • Massachusetts Financial Services reported no remaining Amentum Holdings position as of Q4 2024 after selling out during the quarter.
  • Massachusetts Financial Services sold 1,228,298 Amentum Holdings shares in Q4 2024, an estimated $39.6M.
  • Massachusetts Financial Services first reported a position in Amentum Holdings in Q3 2024 and held it in 1 quarter.
  • Massachusetts Financial Services's Amentum Holdings position peaked at $39.6M in Q3 2024.
  • 451 funds tracked by Wall St. Rank held Amentum Holdings as of Q4 2024.

Based on Massachusetts Financial Services's 13F filing for Q4 2024, filed 12 Feb 2025.