Question 1

Does Hudson Bay Capital Management own INSM stock?

Accepted Answer

Yes. As of its Q2 2026 13F, Hudson Bay Capital Management holds 109,352 shares of INSM (Insmed), worth $11.7M.

Question 2

How many shares of INSM does Hudson Bay Capital Management own?

Accepted Answer

As of its Q2 2026 13F, Hudson Bay Capital Management holds 109,352 shares of INSM (Insmed).

Question 3

What is Hudson Bay Capital Management's INSM position worth?

Accepted Answer

As of its Q2 2026 13F, Hudson Bay Capital Management's INSM position is worth $11.7M.

Question 4

Is Hudson Bay Capital Management buying or selling INSM?

Accepted Answer

In Q2 2026, Hudson Bay Capital Management opened a new INSM position of 109,352 shares.

Question 5

When did Hudson Bay Capital Management first buy INSM?

Accepted Answer

Hudson Bay Capital Management already held INSM in its Q4 2018 13F, the earliest on record, and has listed it in 23 quarterly 13F filings.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	New	109,352	—	$11.7M	0.0%	$106.62	39
2025-Q3	Exited	0	-100.0%	$0	0.0%	$144.01	0
2025-Q2	Increased	81,743	+103.5%	$8.2M	0.0%	$100.64	44
2025-Q1	Decreased	40,170	-80.9%	$3.1M	0.0%	$76.29	0
2024-Q4	Decreased	210,000	-12.5%	$14.5M	0.1%	$69.04	0
2024-Q3	Decreased	240,000	-48.7%	$17.5M	0.1%	$73.00	0