PA
AMTM

Parallel Advisors’s Amentum Holdings AMTM Stock Holding History

Parallel 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 		$81.6K Sell
3,948
-347
-8% -$8.39K ﹤0.01% 1837
2026
Q1 		$112K Buy
4,295
+99
+2% +$3.11K ﹤0.01% 1515
2025
Q4 		$122K Buy
4,196
+32
+0.8% +$818 ﹤0.01% 1366
2025
Q3 		$99.7K Sell
4,164
-16
-0.4% -$390 ﹤0.01% 1422
2025
Q2 		$98.7K Buy
4,180
+2,764
+195% +$57.8K ﹤0.01% 1359
2025
Q1 		$25.8K Sell
1,416
-168
-11% -$3.42K ﹤0.01% 2007
2024
Q4 		$33.3K Buy
1,584
+841
+113% +$21.7K ﹤0.01% 1887
2024
Q3 		$24K Buy
+743
New +$21.2K ﹤0.01% 1996

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

Parallel Advisors's AMTM Position: Q2 2026 in Review

Parallel Advisors reduced its Amentum Holdings (AMTM) stake by 8.1% in Q2 2026, selling an estimated $8.39K and leaving 3,948 shares worth $81.6K. The position accounts for ﹤0.01% of the portfolio, ranked #1837.

Parallel Advisors first reported a position in AMTM in Q3 2024 and has held it in 8 quarters since. The position peaked at $122K in Q4 2025. 461 funds tracked by Wall St. Rank hold AMTM as of Q2 2026.

  • Parallel Advisors held 3,948 shares of Amentum Holdings worth $81.6K as of Q2 2026.
  • Parallel Advisors sold 347 Amentum Holdings shares in Q2 2026, an estimated $8.39K.
  • Amentum Holdings made up ﹤0.01% of Parallel Advisors's portfolio in Q2 2026, its #1837 holding.
  • Parallel Advisors first reported a position in Amentum Holdings in Q3 2024 and has held it in 8 quarters since.
  • Parallel Advisors's Amentum Holdings position peaked at $122K in Q4 2025.
  • 461 funds tracked by Wall St. Rank held Amentum Holdings as of Q2 2026.

Based on Parallel Advisors's 13F filing for Q2 2026, filed 5 Aug 2026.