HIA
AMTM

Harbor Investment Advisory’s Amentum Holdings AMTM Stock Holding History

Harbor Investment Advisory’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 		$2.19K Hold
106
– – ﹤0.01% 1194
2026
Q1 		$2.76K Hold
106
– – ﹤0.01% 1086
2025
Q4 		$3.07K Hold
106
– – ﹤0.01% 1105
2025
Q3 		$2.54K Hold
106
– – ﹤0.01% 1082
2025
Q2 		$2.5K Buy
106
+6
+6% +$125 ﹤0.01% 1065
2025
Q1 		$1.82K Hold
100
– – ﹤0.01% 1082
2024
Q4 		$2.1K Buy
+100
New +$2.58K ﹤0.01% 1058

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
Bank of New York Mellon
Bank of New York Mellon New York $609B AUM 40.19% 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

Harbor Investment Advisory's AMTM Position: Q2 2026 in Review

Harbor Investment Advisory held its Amentum Holdings (AMTM) position steady in Q2 2026 at 106 shares worth $2.19K. The position accounts for ﹤0.01% of the portfolio, ranked #1194.

Harbor Investment Advisory first reported a position in AMTM in Q4 2024 and has held it in 7 quarters since. The position peaked at $3.07K in Q4 2025. 230 funds tracked by Wall St. Rank hold AMTM as of Q2 2026.

  • Harbor Investment Advisory held 106 shares of Amentum Holdings worth $2.19K as of Q2 2026.
  • Harbor Investment Advisory left its Amentum Holdings share count unchanged in Q2 2026.
  • Amentum Holdings made up ﹤0.01% of Harbor Investment Advisory's portfolio in Q2 2026, its #1194 holding.
  • Harbor Investment Advisory first reported a position in Amentum Holdings in Q4 2024 and has held it in 7 quarters since.
  • Harbor Investment Advisory's Amentum Holdings position peaked at $3.07K in Q4 2025.
  • 230 funds tracked by Wall St. Rank held Amentum Holdings as of Q2 2026.

Based on Harbor Investment Advisory's 13F filing for Q2 2026, filed 7 Jul 2026.