Question 1

Does Janus Henderson own CSTM stock?

Accepted Answer

Yes. As of its Q1 2026 13F, Janus Henderson holds 439,301 shares of CSTM (Constellium), worth $10.8M.

Question 2

How many shares of CSTM does Janus Henderson own?

Accepted Answer

As of its Q1 2026 13F, Janus Henderson holds 439,301 shares of CSTM (Constellium).

Question 3

What is Janus Henderson's CSTM position worth?

Accepted Answer

As of its Q1 2026 13F, Janus Henderson's CSTM position is worth $10.8M.

Question 4

Is Janus Henderson buying or selling CSTM?

Accepted Answer

In Q1 2026, Janus Henderson increased its CSTM position from 50,154 to 439,301 shares.

Question 5

When did Janus Henderson first buy CSTM?

Accepted Answer

Janus Henderson already held CSTM in its Q4 2019 13F, the earliest on record, and has listed it in 26 quarterly 13F filings.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q1 Latest	Increased	439,301	+775.9%	$10.8M	0.0%	$24.58	45
2025-Q4	Decreased	50,154	-97.2%	$946,155	0.0%	$18.85	0
2025-Q3	Decreased	1.8M	-21.0%	$26.9M	0.0%	$14.88	0
2025-Q2	Increased	2.3M	+2.1%	$30.5M	0.0%	$13.30	29
2025-Q1	Decreased	2.2M	-65.2%	$23.1M	0.0%	$10.09	0
2024-Q4	Increased	6.4M	+4.8%	$66.2M	0.0%	$10.27	31
2024-Q3	Increased	6.2M	+0.0%	$100M	0.1%	$16.26	30