BG
AMTM

BDF Gestion’s Amentum Holdings AMTM Stock Holding History

BDF Gestion’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 		$1.52M Sell
676
-76
-10% -$1.84K 0.2% 121
2026
Q1 		$19.6K Hold
752
– – ﹤0.01% 144
2025
Q4 		$21.8K Sell
752
-51
-6% -$1.3K ﹤0.01% 147
2025
Q3 		$19.2K Sell
803
-168
-17% -$4.09K ﹤0.01% 143
2025
Q2 		$22.9K Buy
+971
New +$20.3K ﹤0.01% 137
2024
Q4 		– Sell
-18,124
Closed -$11.1M – 155
2024
Q3 		$11.1M Buy
+18,124
New +$516K 1.19% 13

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

BDF Gestion's AMTM Position: Q2 2026 in Review

BDF Gestion reduced its Amentum Holdings (AMTM) stake by 10% in Q2 2026, selling an estimated $1.84K and leaving 676 shares worth $1.52M. The position accounts for 0.2% of the portfolio, ranked #121.

BDF Gestion first reported a position in AMTM in Q3 2024 and has held it in 6 quarters since. The position peaked at $11.1M in Q3 2024. 458 funds tracked by Wall St. Rank hold AMTM as of Q2 2026.

  • BDF Gestion held 676 shares of Amentum Holdings worth $1.52M as of Q2 2026.
  • BDF Gestion sold 76 Amentum Holdings shares in Q2 2026, an estimated $1.84K.
  • Amentum Holdings made up 0.2% of BDF Gestion's portfolio in Q2 2026, its #121 holding.
  • BDF Gestion first reported a position in Amentum Holdings in Q3 2024 and has held it in 6 quarters since.
  • BDF Gestion's Amentum Holdings position peaked at $11.1M in Q3 2024.
  • 458 funds tracked by Wall St. Rank held Amentum Holdings as of Q2 2026.

Based on BDF Gestion's 13F filing for Q2 2026, filed 7 Jul 2026.