RTL
AMTM

Red Tortoise LLC’s Amentum Holdings AMTM Stock Holding History

Red Tortoise LLC’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
Q1 		$600 Hold
23
– – ﹤0.01% 580
2025
Q4 		$667 Hold
23
– – ﹤0.01% 589
2025
Q3 		$551 Hold
23
– – ﹤0.01% 576
2025
Q2 		$543 Buy
23
+1
+5% +$21 ﹤0.01% 578
2025
Q1 		$400 Hold
22
– – ﹤0.01% 563
2024
Q4 		$463 Hold
22
– – ﹤0.01% 576
2024
Q3 		$710 Buy
+22
New +$627 ﹤0.01% 554

Other funds holding AMTM

AS
American Securities New York $3.93B AUM 52.22% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Primecap Management
Primecap Management Pasadena, California $127B AUM 44.11% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
FCM
Frontier Capital Management Boston, Massachusetts $9.73B AUM 55.65% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

Red Tortoise LLC's AMTM Position: Q1 2026 in Review

Red Tortoise LLC held its Amentum Holdings (AMTM) position steady in Q1 2026 at 23 shares worth $600. The position accounts for ﹤0.01% of the portfolio, ranked #580.

Red Tortoise LLC first reported a position in AMTM in Q3 2024 and has held it in 7 quarters since. The position peaked at $710 in Q3 2024. 486 funds tracked by Wall St. Rank hold AMTM as of Q1 2026.

  • Red Tortoise LLC held 23 shares of Amentum Holdings worth $600 as of Q1 2026.
  • Red Tortoise LLC left its Amentum Holdings share count unchanged in Q1 2026.
  • Amentum Holdings made up ﹤0.01% of Red Tortoise LLC's portfolio in Q1 2026, its #580 holding.
  • Red Tortoise LLC first reported a position in Amentum Holdings in Q3 2024 and has held it in 7 quarters since.
  • Red Tortoise LLC's Amentum Holdings position peaked at $710 in Q3 2024.
  • 486 funds tracked by Wall St. Rank held Amentum Holdings as of Q1 2026.

Based on Red Tortoise LLC's 13F filing for Q1 2026, filed 21 Apr 2026.