Bank of New York Mellon
AMTM

Bank of New York Mellon’s Amentum Holdings AMTM Stock Holding History

Bank of New York Mellon’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 		$18.2M Sell
878,084
-30,515
-3% -$738K ﹤0.01% 1689
2026
Q1 		$23.7M Sell
908,599
-13,498
-1% -$424K ﹤0.01% 1438
2025
Q4 		$26.7M Buy
922,097
+55,834
+6% +$1.43M ﹤0.01% 1375
2025
Q3 		$20.7M Sell
866,263
-1,943
-0.2% -$47.3K ﹤0.01% 1534
2025
Q2 		$20.5M Buy
868,206
+107,697
+14% +$2.25M ﹤0.01% 1504
2025
Q1 		$13.8M Buy
760,509
+109,195
+17% +$2.22M ﹤0.01% 1694
2024
Q4 		$13.7M Sell
651,314
-123,740
-16% -$3.2M ﹤0.01% 1769
2024
Q3 		$25M Buy
+775,054
New +$22.1M ﹤0.01% 1450

Other funds holding AMTM

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
CAM
Cacti Asset Management Atlanta, Georgia $1.99B AUM 86.33% 1-Year Est. Return
Russell Investments Group
Russell Investments Group London, United Kingdom $114B AUM 41.71% 1-Year Est. Return
Principal Financial Group
Principal Financial Group Des Moines, Iowa $204B AUM 27.99% 1-Year Est. Return
SCM
Shapiro Capital Management Atlanta, Georgia $1.65B AUM 26.74% 1-Year Est. Return
FNBOO
First National Bank of Omaha Omaha, Nebraska $3.55B AUM 27.24% 1-Year Est. Return
LA
Legacy Advisors Plymouth Meeting, Pennsylvania $1.07B AUM 26.49% 1-Year Est. Return
Mawer Investment Management
Mawer Investment Management Calgary, Alberta, Canada $14.7B AUM 12.5% 1-Year Est. Return
RIM
Rovida Investment Management Grand Cayman, Cayman Islands $1.47B AUM 142.45% 1-Year Est. Return

Bank of New York Mellon's AMTM Position: Q2 2026 in Review

Bank of New York Mellon reduced its Amentum Holdings (AMTM) stake by 3.4% in Q2 2026, selling an estimated $738K and leaving 878,084 shares worth $18.2M. The position accounts for ﹤0.01% of the portfolio, ranked #1689.

Bank of New York Mellon first reported a position in AMTM in Q3 2024 and has held it in 8 quarters since. The position peaked at $26.7M in Q4 2025. 230 funds tracked by Wall St. Rank hold AMTM as of Q2 2026.

  • Bank of New York Mellon held 878,084 shares of Amentum Holdings worth $18.2M as of Q2 2026.
  • Bank of New York Mellon sold 30,515 Amentum Holdings shares in Q2 2026, an estimated $738K.
  • Amentum Holdings made up ﹤0.01% of Bank of New York Mellon's portfolio in Q2 2026, its #1689 holding.
  • Bank of New York Mellon first reported a position in Amentum Holdings in Q3 2024 and has held it in 8 quarters since.
  • Bank of New York Mellon's Amentum Holdings position peaked at $26.7M in Q4 2025.
  • 230 funds tracked by Wall St. Rank held Amentum Holdings as of Q2 2026.

Based on Bank of New York Mellon's 13F filing for Q2 2026, filed 6 Aug 2026.