GAMMA Investing’s Amentum Holdings AMTM Stock Holding History

GAMMA Investing’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	$102K	Sell	4,958 -701	-12%	-$17K	﹤0.01%	1790
2026 Q1	$148K	Buy	5,659 +354	+7%	+$11.1K	0.01%	1345
2025 Q4	$154K	Buy	5,305 +284	+6%	+$7.26K	0.01%	1235
2025 Q3	$120K	Buy	5,021 +578	+13%	+$14.1K	0.01%	1356
2025 Q2	$105K	Buy	4,443 +1,306	+42%	+$27.3K	0.01%	1402
2025 Q1	$57.1K	Buy	3,137 +1,383	+79%	+$28.2K	﹤0.01%	1697
2024 Q4	$36.9K	Buy	1,754 +1,349	+333%	+$34.9K	﹤0.01%	1898
2024 Q3	$13.1K	Buy	+405	New	+$11.5K	﹤0.01%	2340

Other funds holding AMTM

CAM

Cacti Asset Management Atlanta, Georgia $1.99B AUM 86.33% 1-Year Est. Return

HVP

Hudson Value Partners Palm Beach, Florida $399M AUM 48.26% 1-Year Est. Return

WCM

Wedge Capital Management Charlotte, North Carolina $6.06B AUM 47.24% 1-Year Est. Return

MAA

Mraz Amerine & Associates Modesto, California $697M AUM 19.37% 1-Year Est. Return

Wealth Enhancement Advisory Services Plymouth, Minnesota $59.8B AUM 29.42% 1-Year Est. Return

BDF Gestion Paris, France $747M AUM 47.35% 1-Year Est. Return

CIA

Cascade Investment Advisors Oregon City, Oregon $183M AUM 29.64% 1-Year Est. Return

LSERS

Louisiana State Employees Retirement System Baton Rouge, Louisiana $6.74B AUM 53.06% 1-Year Est. Return

SOADOR

State of Alaska Department of Revenue Juneau, Alaska $10.1B AUM 42.83% 1-Year Est. Return

FNA

First National Advisers Omaha, Nebraska $712M AUM 30.64% 1-Year Est. Return

GAMMA Investing's AMTM Position: Q2 2026 in Review

GAMMA Investing reduced its Amentum Holdings (AMTM) stake by 12% in Q2 2026, selling an estimated $17K and leaving 4,958 shares worth $102K. The position accounts for ﹤0.01% of the portfolio, ranked #1790.

GAMMA Investing first reported a position in AMTM in Q3 2024 and has held it in 8 quarters since. The position peaked at $154K in Q4 2025. 76 funds tracked by Wall St. Rank hold AMTM as of Q2 2026.

GAMMA Investing held 4,958 shares of Amentum Holdings worth $102K as of Q2 2026.
GAMMA Investing sold 701 Amentum Holdings shares in Q2 2026, an estimated $17K.
Amentum Holdings made up ﹤0.01% of GAMMA Investing's portfolio in Q2 2026, its #1790 holding.
GAMMA Investing first reported a position in Amentum Holdings in Q3 2024 and has held it in 8 quarters since.
GAMMA Investing's Amentum Holdings position peaked at $154K in Q4 2025.
76 funds tracked by Wall St. Rank held Amentum Holdings as of Q2 2026.

Based on GAMMA Investing's 13F filing for Q2 2026, filed 7 Jul 2026.