GIP
AMTM

Granite Investment Partners’s Amentum Holdings AMTM Stock Holding History

Granite Investment 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 		$274K Hold
13,248
– – 0.01% 224
2026
Q1 		$346K Hold
13,248
– – 0.02% 206
2025
Q4 		$384K Sell
13,248
-1,510
-10% -$38.6K 0.02% 201
2025
Q3 		$353K Sell
14,758
-5,215
-26% -$127K 0.02% 222
2025
Q2 		$472K Sell
19,973
-80
-0.4% -$1.67K 0.02% 218
2025
Q1 		$365K Sell
20,053
-18,280
-48% -$372K 0.02% 231
2024
Q4 		$806K Sell
38,333
-2,538
-6% -$65.6K 0.03% 215
2024
Q3 		$1.32M Buy
+40,871
New +$1.16M 0.06% 199

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

Granite Investment Partners's AMTM Position: Q2 2026 in Review

Granite Investment Partners held its Amentum Holdings (AMTM) position steady in Q2 2026 at 13,248 shares worth $274K. The position accounts for 0.01% of the portfolio, ranked #224.

Granite Investment Partners first reported a position in AMTM in Q3 2024 and has held it in 8 quarters since. The position peaked at $1.32M in Q3 2024. 462 funds tracked by Wall St. Rank hold AMTM as of Q2 2026.

  • Granite Investment Partners held 13,248 shares of Amentum Holdings worth $274K as of Q2 2026.
  • Granite Investment Partners left its Amentum Holdings share count unchanged in Q2 2026.
  • Amentum Holdings made up 0.01% of Granite Investment Partners's portfolio in Q2 2026, its #224 holding.
  • Granite Investment Partners first reported a position in Amentum Holdings in Q3 2024 and has held it in 8 quarters since.
  • Granite Investment Partners's Amentum Holdings position peaked at $1.32M in Q3 2024.
  • 462 funds tracked by Wall St. Rank held Amentum Holdings as of Q2 2026.

Based on Granite Investment Partners's 13F filing for Q2 2026, filed 7 Aug 2026.