Lathrop Investment Management’s Amentum Holdings AMTM Stock Holding History

Lathrop Investment Management’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	$404K	Sell	19,526 -518	-3%	-$12.5K	0.07%	70
2026 Q1	$523K	Sell	20,044 -270	-1%	-$8.47K	0.1%	63
2025 Q4	$589K	Sell	20,314 -2,503	-11%	-$64K	0.11%	60
2025 Q3	$546K	Sell	22,817 -4,994	-18%	-$122K	0.1%	58
2025 Q2	$657K	Sell	27,811 -12,713	-31%	-$266K	0.12%	55
2025 Q1	$738K	Sell	40,524 -43,520	-52%	-$886K	0.15%	56
2024 Q4	$1.77M	Sell	84,044 -43,125	-34%	-$1.11M	0.34%	44
2024 Q3	$4.1M	Buy	+127,169	New	+$3.62M	0.76%	40

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

Lathrop Investment Management's AMTM Position: Q2 2026 in Review

Lathrop Investment Management reduced its Amentum Holdings (AMTM) stake by 2.6% in Q2 2026, selling an estimated $12.5K and leaving 19,526 shares worth $404K. The position accounts for 0.07% of the portfolio, ranked #70.

Lathrop Investment Management first reported a position in AMTM in Q3 2024 and has held it in 8 quarters since. The position peaked at $4.1M in Q3 2024. 458 funds tracked by Wall St. Rank hold AMTM as of Q2 2026.

Lathrop Investment Management held 19,526 shares of Amentum Holdings worth $404K as of Q2 2026.
Lathrop Investment Management sold 518 Amentum Holdings shares in Q2 2026, an estimated $12.5K.
Amentum Holdings made up 0.07% of Lathrop Investment Management's portfolio in Q2 2026, its #70 holding.
Lathrop Investment Management first reported a position in Amentum Holdings in Q3 2024 and has held it in 8 quarters since.
Lathrop Investment Management's Amentum Holdings position peaked at $4.1M in Q3 2024.
458 funds tracked by Wall St. Rank held Amentum Holdings as of Q2 2026.

Based on Lathrop Investment Management's 13F filing for Q2 2026, filed 10 Aug 2026.