Question 1

Does Adage Capital Partners GP own INSM stock?

Accepted Answer

Yes. As of its Q2 2026 13F, Adage Capital Partners GP holds 850,000 shares of INSM (Insmed), worth $90.6M.

Question 2

How many shares of INSM does Adage Capital Partners GP own?

Accepted Answer

As of its Q2 2026 13F, Adage Capital Partners GP holds 850,000 shares of INSM (Insmed).

Question 3

What is Adage Capital Partners GP's INSM position worth?

Accepted Answer

As of its Q2 2026 13F, Adage Capital Partners GP's INSM position is worth $90.6M.

Question 4

Is Adage Capital Partners GP buying or selling INSM?

Accepted Answer

In Q2 2026, Adage Capital Partners GP reduced its INSM position by 50,000 shares (-5.6%).

Question 5

When did Adage Capital Partners GP first buy INSM?

Accepted Answer

Adage Capital Partners GP already held INSM in its Q4 2018 13F, the earliest on record, and has listed it in 17 quarterly 13F filings.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Decreased	850,000	-5.6%	$90.6M	0.1%	$106.62	0
2026-Q1	Increased	900,000	+200.0%	$147.2M	0.2%	$163.52	58
2025-Q4	Decreased	300,000	-76.0%	$52.2M	0.1%	$174.04	0
2025-Q3	Decreased	1.3M	-56.2%	$180.4M	0.3%	$144.01	0
2025-Q2	Decreased	2.9M	-17.0%	$287.8M	0.5%	$100.64	0
2025-Q1	Increased	3.4M	+109.2%	$263M	0.5%	$76.29	59
2024-Q4	Increased	1.6M	+59.6%	$113.7M	0.2%	$69.04	52
2024-Q3	Decreased	1M	-22.1%	$75.4M	0.1%	$73.00	0