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AMTM - AMENTUM HOLDINGS INC

This page shows which of the focused investors we track hold AMTM and how their positions changed, so you can see how much conviction the group has in the stock.

In Q1 2026 it was held by 2 managers with an aggregate reported value of $43.54M, which is 0.00% of the combined portfolio.

As of Q1 2026, 2 tracked institutional managers held AMTM (AMENTUM HOLDINGS INC) with an aggregate reported value of $43.54M0.00% of the combined AlphaBaseline portfolio.

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Source
Curated SEC 13F filings
Period
Q1 2026
Ticker
AMTM

13F data is delayed and excludes shorts/non-13F assets.

Holders

1Ruane Cunniff LP - Ruane Cunniff LP0.70%Reduce -32.2%1,622,982$42.33M
2Lee Ainslie - Maverick Capital0.01%New46,335$1.21M
Loading holder history for AMTM