Question 1

How many shares of AMTM does BlackRock, Inc. own?

Accepted Answer

As of 2026-Q1, BlackRock, Inc. holds 17.8M shares of AMTM (AMENTUM HOLDINGS INC).

Question 2

What is BlackRock, Inc.'s AMTM position worth?

Accepted Answer

As of 2026-Q1, BlackRock, Inc.'s AMTM position is worth $465.3M.

Question 3

Is BlackRock, Inc. buying or selling AMTM?

Accepted Answer

In 2026-Q1, BlackRock, Inc. increased their AMTM position (+2.2% change in shares).

Question 4

When did BlackRock, Inc. first buy AMTM?

Accepted Answer

Based on available 13F filings, BlackRock, Inc. first reported a position in AMTM in 2024-Q4. They have held the position across 6 quarters.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q1 Latest	Increased	17.8M	+2.2%	$465.3M	0.0%	$30.66	32
2025-Q4	Decreased	17.5M	-3.0%	$506.3M	0.0%	$29.30	0
2025-Q3	Decreased	18M	-5.3%	$430.9M	0.0%	$22.82	0
2025-Q2	Increased	19M	+4.1%	$448.5M	0.0%	$23.45	33
2025-Q1	Increased	18.2M	+8.8%	$332.1M	0.0%	$18.07	34
2024-Q4	New	16.8M	-	$352.8M	0.0%	$22.30	43

AMTM6 quarters

AMTM
6 quarters