Matthew Hamilton Rosenberg’s Amentum Holdings AMTM Stock Holding History

Matthew Hamilton Rosenberg’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 Q3	$1.79K	Hold	99	–	–	﹤0.01%	761
2026 Q2	$2.05K	Hold	99	–	–	﹤0.01%	734
2026 Q1	$2.58K	Hold	99	–	–	﹤0.01%	717
2025 Q4	$2.87K	Hold	99	–	–	﹤0.01%	729
2025 Q3	$2.37K	Hold	99	–	–	﹤0.01%	742
2025 Q2	$2.34K	Buy	99 +5	+5%	+$104	﹤0.01%	769
2025 Q1	$1.71K	Hold	94	–	–	﹤0.01%	770
2024 Q4	$1.98K	Hold	94	–	–	﹤0.01%	751
2024 Q3	$3.03K	Buy	+94	New	+$2.68K	﹤0.01%	728

Other funds holding AMTM

CAM

Cacti Asset Management Atlanta, Georgia $1.89B AUM 58.55% 1-Year Est. Return

SCM

Segra Capital Management Palm Beach, Florida $987M AUM 57.18% 1-Year Est. Return

NRS

Neville Rodie & Shaw New York $1.48B AUM 34.49% 1-Year Est. Return

CX Institutional Auburn, Indiana $3.69B AUM 15.82% 1-Year Est. Return

TFA

Toth Financial Advisory Leesburg, Virginia $1B AUM 19.18% 1-Year Est. Return

GAMMA Investing Foster City, California $2.96B AUM 34.38% 1-Year Est. Return

FFA

Farther Finance Advisors San Francisco, California $14.2B AUM 18.33% 1-Year Est. Return

CoreCap Advisors Southfield, Michigan $3.48B AUM 21.43% 1-Year Est. Return

EWP

Elevation Wealth Partners Santa Rosa, California $356M AUM 17.04% 1-Year Est. Return

VCM

Versant Capital Management Phoenix, Arizona $1.17B AUM 28.44% 1-Year Est. Return

Matthew Hamilton Rosenberg's AMTM Position: Q3 2026 in Review

Matthew Hamilton Rosenberg held its Amentum Holdings (AMTM) position steady in Q3 2026 at 99 shares worth $1.79K. The position accounts for ﹤0.01% of the portfolio, ranked #761.

Matthew Hamilton Rosenberg first reported a position in AMTM in Q3 2024 and has held it in 9 quarters since. The position peaked at $3.03K in Q3 2024. 18 funds tracked by Wall St. Rank hold AMTM as of Q3 2026.

Matthew Hamilton Rosenberg held 99 shares of Amentum Holdings worth $1.79K as of Q3 2026.
Matthew Hamilton Rosenberg left its Amentum Holdings share count unchanged in Q3 2026.
Amentum Holdings made up ﹤0.01% of Matthew Hamilton Rosenberg's portfolio in Q3 2026, its #761 holding.
Matthew Hamilton Rosenberg first reported a position in Amentum Holdings in Q3 2024 and has held it in 9 quarters since.
Matthew Hamilton Rosenberg's Amentum Holdings position peaked at $3.03K in Q3 2024.
18 funds tracked by Wall St. Rank held Amentum Holdings as of Q3 2026.

Based on Matthew Hamilton Rosenberg's 13F filing for Q3 2026, filed 5 Oct 2026.