Question 1

Does Janus Henderson own DYN stock?

Accepted Answer

Yes. As of its Q1 2026 13F, Janus Henderson holds 13,647,376 shares of DYN (Dyne Therapeutics), worth $247.4M.

Question 2

How many shares of DYN does Janus Henderson own?

Accepted Answer

As of its Q1 2026 13F, Janus Henderson holds 13,647,376 shares of DYN (Dyne Therapeutics).

Question 3

What is Janus Henderson's DYN position worth?

Accepted Answer

As of its Q1 2026 13F, Janus Henderson's DYN position is worth $247.4M.

Question 4

Is Janus Henderson buying or selling DYN?

Accepted Answer

In Q1 2026, Janus Henderson reduced its DYN position by 240,346 shares (-1.7%).

Question 5

When did Janus Henderson first buy DYN?

Accepted Answer

Janus Henderson already held DYN in its Q3 2020 13F, the earliest on record, and has listed it in 22 quarterly 13F filings.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q1 Latest	Decreased	13.6M	-1.7%	$247.4M	0.1%	$14.60	0
2025-Q4	Decreased	13.9M	-5.8%	$271.6M	0.1%	$19.20	0
2025-Q3	Increased	14.7M	+56.2%	$186.5M	0.1%	$12.37	43
2025-Q2	Decreased	9.4M	-8.8%	$89.9M	0.0%	$9.57	0
2025-Q1	Increased	10.4M	+40.3%	$118.5M	0.1%	$11.45	40
2024-Q4	Increased	7.4M	+8.3%	$173.8M	0.1%	$23.65	33
2024-Q3	Increased	6.8M	+47.4%	$244.8M	0.1%	$33.83	50

DYNShowing 7 of 23 quarters

DYN
Showing 7 of 23 quarters