Wilmington Savings Fund Society’s Amentum Holdings AMTM Stock Holding History

Wilmington Savings Fund Society’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	$732K	Buy	35,425 +6,287	+22%	+$152K	0.02%	357
2026 Q1	$760K	Buy	29,138 +2,269	+8%	+$71.2K	0.02%	350
2025 Q4	$779K	Buy	26,869 +6,291	+31%	+$161K	0.02%	348
2025 Q3	$493K	Sell	20,578 -271	-1%	-$6.6K	0.01%	412
2025 Q2	$492K	Buy	20,849 +983	+5%	+$20.5K	0.01%	585
2025 Q1	$362K	Sell	19,866 -12,393	-38%	-$252K	0.01%	651
2024 Q4	$678K	Buy	32,259 +7,769	+32%	+$201K	0.01%	505
2024 Q3	$790K	Buy	+24,490	New	+$698K	0.01%	465

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

Wilmington Savings Fund Society's AMTM Position: Q2 2026 in Review

Wilmington Savings Fund Society increased its Amentum Holdings (AMTM) stake by 22% in Q2 2026, buying an estimated $152K and bringing the position to 35,425 shares worth $732K. The position accounts for 0.02% of the portfolio, ranked #357.

Wilmington Savings Fund Society first reported a position in AMTM in Q3 2024 and has held it in 8 quarters since. The position peaked at $790K in Q3 2024. 458 funds tracked by Wall St. Rank hold AMTM as of Q2 2026.

Wilmington Savings Fund Society held 35,425 shares of Amentum Holdings worth $732K as of Q2 2026.
Wilmington Savings Fund Society bought 6,287 Amentum Holdings shares in Q2 2026, an estimated $152K.
Amentum Holdings made up 0.02% of Wilmington Savings Fund Society's portfolio in Q2 2026, its #357 holding.
Wilmington Savings Fund Society first reported a position in Amentum Holdings in Q3 2024 and has held it in 8 quarters since.
Wilmington Savings Fund Society's Amentum Holdings position peaked at $790K in Q3 2024.
458 funds tracked by Wall St. Rank held Amentum Holdings as of Q2 2026.

Based on Wilmington Savings Fund Society's 13F filing for Q2 2026, filed 28 Jul 2026.