Principal Financial Group’s Amentum Holdings AMTM Stock Holding History

Principal Financial Group’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	$15.3M	Sell	742,381 -2,347	-0.3%	-$56.8K	0.01%	1172
2026 Q1	$19.4M	Buy	744,728 +16,314	+2%	+$512K	0.01%	949
2025 Q4	$21.1M	Sell	728,414 -7,341	-1%	-$188K	0.01%	873
2025 Q3	$17.6M	Sell	735,755 -8,762	-1%	-$213K	0.01%	945
2025 Q2	$17.6M	Buy	744,517 +32,345	+5%	+$676K	0.01%	907
2025 Q1	$13M	Buy	712,172 +110,123	+18%	+$2.24M	0.01%	1118
2024 Q4	$12.7M	Buy	602,049 +456,475	+314%	+$11.8M	0.01%	1154
2024 Q3	$4.69M	Buy	+145,574	New	+$4.15M	﹤0.01%	1596

Other funds holding AMTM

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Primecap Management Pasadena, California $169B AUM 114.72% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

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

TCA

Troluce Capital Advisors Dorado, Puerto Rico $971M AUM 2.27% 1-Year Est. Return

Principal Financial Group's AMTM Position: Q2 2026 in Review

Principal Financial Group reduced its Amentum Holdings (AMTM) stake by 0.32% in Q2 2026, selling an estimated $56.8K and leaving 742,381 shares worth $15.3M. The position accounts for 0.01% of the portfolio, ranked #1172.

Principal Financial Group first reported a position in AMTM in Q3 2024 and has held it in 8 quarters since. The position peaked at $21.1M in Q4 2025. 458 funds tracked by Wall St. Rank hold AMTM as of Q2 2026.

Principal Financial Group held 742,381 shares of Amentum Holdings worth $15.3M as of Q2 2026.
Principal Financial Group sold 2,347 Amentum Holdings shares in Q2 2026, an estimated $56.8K.
Amentum Holdings made up 0.01% of Principal Financial Group's portfolio in Q2 2026, its #1172 holding.
Principal Financial Group first reported a position in Amentum Holdings in Q3 2024 and has held it in 8 quarters since.
Principal Financial Group's Amentum Holdings position peaked at $21.1M in Q4 2025.
458 funds tracked by Wall St. Rank held Amentum Holdings as of Q2 2026.

Based on Principal Financial Group's 13F filing for Q2 2026, filed 4 Aug 2026.