GFP
AMTM

Gryphon Financial Partners’s Amentum Holdings AMTM Stock Holding History

Gryphon Financial 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
2026
Q2 		$435K Buy
21,057
+2,174
+12% +$52.6K 0.04% 256
2026
Q1 		$492K Buy
18,883
+2,598
+16% +$81.5K 0.05% 217
2025
Q4 		$472K Buy
+16,285
New +$416K 0.05% 215

Other funds holding AMTM

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
TCA
Troluce Capital Advisors Dorado, Puerto Rico $971M AUM 2.27% 1-Year Est. Return

Gryphon Financial Partners's AMTM Position: Q2 2026 in Review

Gryphon Financial Partners increased its Amentum Holdings (AMTM) stake by 12% in Q2 2026, buying an estimated $52.6K and bringing the position to 21,057 shares worth $435K. The position accounts for 0.04% of the portfolio, ranked #256.

Gryphon Financial Partners first reported a position in AMTM in Q4 2025 and has held it in 3 quarters since. The position peaked at $492K in Q1 2026. 458 funds tracked by Wall St. Rank hold AMTM as of Q2 2026.

  • Gryphon Financial Partners held 21,057 shares of Amentum Holdings worth $435K as of Q2 2026.
  • Gryphon Financial Partners bought 2,174 Amentum Holdings shares in Q2 2026, an estimated $52.6K.
  • Amentum Holdings made up 0.04% of Gryphon Financial Partners's portfolio in Q2 2026, its #256 holding.
  • Gryphon Financial Partners first reported a position in Amentum Holdings in Q4 2025 and has held it in 3 quarters since.
  • Gryphon Financial Partners's Amentum Holdings position peaked at $492K in Q1 2026.
  • 458 funds tracked by Wall St. Rank held Amentum Holdings as of Q2 2026.

Based on Gryphon Financial Partners's 13F filing for Q2 2026, filed 5 Aug 2026.