Question 1

Does Vanguard Group own CTM stock?

Accepted Answer

As of its last 13F, for Q4 2025, Vanguard Group held 3,473,227 shares of CTM (Castellum), worth $3.1M.

Question 2

How many shares of CTM does Vanguard Group own?

Accepted Answer

As of its last 13F, for Q4 2025, Vanguard Group held 3,473,227 shares of CTM (Castellum).

Question 3

What is Vanguard Group's CTM position worth?

Accepted Answer

As of its last 13F, for Q4 2025, Vanguard Group's CTM position was worth $3.1M.

Question 4

Is Vanguard Group buying or selling CTM?

Accepted Answer

In Q4 2025, Vanguard Group increased its CTM position by 2,195,312 shares (+171.8%).

Question 5

When did Vanguard Group first buy CTM?

Accepted Answer

Vanguard Group already held CTM in its Q3 2024 13F, the earliest on record, and listed it in 6 quarterly 13F filings.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2025-Q4 Latest	Increased	3.5M	+171.8%	$3.1M	0.0%	$0.93	29
2025-Q3	Increased	1.3M	+21.5%	$1.4M	0.0%	$1.12	21
2025-Q2	Increased	1.1M	+64.5%	$1.1M	0.0%	$1.06	25
2025-Q1	Increased	639,628	+662.0%	$678,006	0.0%	$1.03	27
2024-Q4	Unchanged	83,941	0.0%	$167,882	0.0%	$2.58	0
2024-Q3	First report	83,941	—	$14,690	0.0%	$0.17	0