Ohio Public Employees Retirement System (OPERS)
AMTM

Ohio Public Employees Retirement System (OPERS)’s Amentum Holdings AMTM Stock Holding History

Ohio Public Employees Retirement System (OPERS)’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 		$940K Sell
45,464
-2,378
-5% -$57.5K ﹤0.01% 1345
2026
Q1 		$1.25M Sell
47,842
-1,390
-3% -$43.6K ﹤0.01% 1246
2025
Q4 		$1.43M Sell
49,232
-2,104
-4% -$53.8K ﹤0.01% 1229
2025
Q3 		$1.23M Buy
51,336
+32
+0.1% +$779 ﹤0.01% 1295
2025
Q2 		$1.21M Buy
51,304
+3,688
+8% +$77.1K ﹤0.01% 1283
2025
Q1 		$867K Buy
47,616
+3,010
+7% +$61.3K ﹤0.01% 1349
2024
Q4 		$938K Buy
+44,606
New +$1.15M ﹤0.01% 1366

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

Ohio Public Employees Retirement System (OPERS)'s AMTM Position: Q2 2026 in Review

Ohio Public Employees Retirement System (OPERS) reduced its Amentum Holdings (AMTM) stake by 5% in Q2 2026, selling an estimated $57.5K and leaving 45,464 shares worth $940K. The position accounts for ﹤0.01% of the portfolio, ranked #1345.

Ohio Public Employees Retirement System (OPERS) first reported a position in AMTM in Q4 2024 and has held it in 7 quarters since. The position peaked at $1.43M in Q4 2025. 460 funds tracked by Wall St. Rank hold AMTM as of Q2 2026.

  • Ohio Public Employees Retirement System (OPERS) held 45,464 shares of Amentum Holdings worth $940K as of Q2 2026.
  • Ohio Public Employees Retirement System (OPERS) sold 2,378 Amentum Holdings shares in Q2 2026, an estimated $57.5K.
  • Amentum Holdings made up ﹤0.01% of Ohio Public Employees Retirement System (OPERS)'s portfolio in Q2 2026, its #1345 holding.
  • Ohio Public Employees Retirement System (OPERS) first reported a position in Amentum Holdings in Q4 2024 and has held it in 7 quarters since.
  • Ohio Public Employees Retirement System (OPERS)'s Amentum Holdings position peaked at $1.43M in Q4 2025.
  • 460 funds tracked by Wall St. Rank held Amentum Holdings as of Q2 2026.

Based on Ohio Public Employees Retirement System (OPERS)'s 13F filing for Q2 2026, filed 17 Aug 2026.