HCA
AMTM

Hyperion Capital Advisors’s Amentum Holdings AMTM Stock Holding History

Hyperion Capital Advisors’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 		– Sell
-303,576
Closed -$7.92M – 72
2026
Q1 		$7.92M Sell
303,576
-188,296
-38% -$5.91M 3.81% 12
2025
Q4 		$14.3M Buy
491,872
+71,864
+17% +$1.84M 6.98% 4
2025
Q3 		$10.1M Buy
420,008
+368,521
+716% +$8.97M 5.38% 8
2025
Q2 		$1.22M Buy
51,487
+32,901
+177% +$688K 0.76% 19
2025
Q1 		$338K Sell
18,586
-977
-5% -$19.9K 0.18% 47
2024
Q4 		$411K Buy
+19,563
New +$506K 0.21% 37

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
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

Hyperion Capital Advisors's AMTM Position: Q2 2026 in Review

Hyperion Capital Advisors sold out of Amentum Holdings (AMTM) in Q2 2026, closing a stake of 303,576 shares — an estimated $7.92M sold.

Hyperion Capital Advisors first reported a position in AMTM in Q4 2024 and held it in 6 quarters. The position peaked at $14.3M in Q4 2025. 461 funds tracked by Wall St. Rank hold AMTM as of Q2 2026.

  • Hyperion Capital Advisors reported no remaining Amentum Holdings position as of Q2 2026 after selling out during the quarter.
  • Hyperion Capital Advisors sold 303,576 Amentum Holdings shares in Q2 2026, an estimated $7.92M.
  • Hyperion Capital Advisors first reported a position in Amentum Holdings in Q4 2024 and held it in 6 quarters.
  • Hyperion Capital Advisors's Amentum Holdings position peaked at $14.3M in Q4 2025.
  • 461 funds tracked by Wall St. Rank held Amentum Holdings as of Q2 2026.

Based on Hyperion Capital Advisors's 13F filing for Q2 2026, filed 14 Aug 2026.