CX Institutional’s Amentum Holdings AMTM Stock Holding History

CX Institutional’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	$141K	Buy	7,771 +77	+1%	+$1.61K	﹤0.01%	812
2026 Q2	$159K	Sell	7,694 -202	-3%	-$4.89K	﹤0.01%	785
2026 Q1	$206K	Sell	7,896 -44	-0.6%	-$1.38K	0.01%	710
2025 Q4	$230K	Sell	7,940 -135	-2%	-$3.45K	0.01%	664
2025 Q3	$193K	Sell	8,075 -141	-2%	-$3.43K	0.01%	701
2025 Q2	$194K	Buy	8,216 +7,603	+1,240%	+$159K	0.01%	638
2025 Q1	$11K	Buy	+613	New	+$12.5K	﹤0.01%	1008

Other funds holding AMTM

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

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

OpenArc Corporate Advisory Atlanta, Georgia $8.86B AUM 19.31% 1-Year Est. Return

North Growth Management Vancouver, British Columbia, Canada $743M AUM 74.29% 1-Year Est. Return

Wedge Capital Management Charlotte, North Carolina $5.72B AUM 38.26% 1-Year Est. Return

New York State Teachers Retirement System (NYSTRS) Albany, New York $52.9B AUM 36.03% 1-Year Est. Return

OTL

Oak Thistle LLC New York $1.09B AUM 11.78% 1-Year Est. Return

Harbor Capital Advisors Chicago, Illinois $1.48B AUM 30.88% 1-Year Est. Return

Wealth Enhancement Advisory Services Plymouth, Minnesota $67.3B AUM 21.9% 1-Year Est. Return

Louisiana State Employees Retirement System Baton Rouge, Louisiana $6.56B AUM 41.43% 1-Year Est. Return

CX Institutional's AMTM Position: Q3 2026 in Review

CX Institutional increased its Amentum Holdings (AMTM) stake by 1% in Q3 2026, buying an estimated $1.61K and bringing the position to 7,771 shares worth $141K. The position accounts for ﹤0.01% of the portfolio, ranked #812.

CX Institutional first reported a position in AMTM in Q1 2025 and has held it in 7 quarters since. The position peaked at $230K in Q4 2025. 82 funds tracked by Wall St. Rank hold AMTM as of Q3 2026.

CX Institutional held 7,771 shares of Amentum Holdings worth $141K as of Q3 2026.
CX Institutional bought 77 Amentum Holdings shares in Q3 2026, an estimated $1.61K.
Amentum Holdings made up ﹤0.01% of CX Institutional's portfolio in Q3 2026, its #812 holding.
CX Institutional first reported a position in Amentum Holdings in Q1 2025 and has held it in 7 quarters since.
CX Institutional's Amentum Holdings position peaked at $230K in Q4 2025.
82 funds tracked by Wall St. Rank held Amentum Holdings as of Q3 2026.

Based on CX Institutional's 13F filing for Q3 2026, filed 2 Oct 2026.