Question 1

How many shares of INSM does D. E. Shaw & Co., Inc. own?

Accepted Answer

As of 2026-Q1, D. E. Shaw & Co., Inc. holds 5.6M shares of INSM (INSMED INC).

Question 2

What is D. E. Shaw & Co., Inc.'s INSM position worth?

Accepted Answer

As of 2026-Q1, D. E. Shaw & Co., Inc.'s INSM position is worth $919.9M.

Question 3

Is D. E. Shaw & Co., Inc. buying or selling INSM?

Accepted Answer

In 2026-Q1, D. E. Shaw & Co., Inc. increased their INSM position (+29.3% change in shares).

Question 4

When did D. E. Shaw & Co., Inc. first buy INSM?

Accepted Answer

Based on available 13F filings, D. E. Shaw & Co., Inc. first reported a position in INSM in 2024-Q2. They have held the position across 30 quarters.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q1 Latest	Increased	5.6M	+29.3%	$919.9M	0.6%	$147.00	56
2025-Q4	Decreased	4.4M	-23.1%	$757.2M	0.4%	$174.09	0
2025-Q3	Increased	5.7M	+65.3%	$814.7M	0.5%	$141.65	56
2025-Q2	Increased	3.4M	+365.7%	$344.5M	0.2%	$99.49	60
2025-Q1	Increased	734,880	+44.4%	$56.1M	0.0%	$77.99	40
2024-Q4	Increased	508,787	+662.4%	$35.1M	0.0%	$68.87	47
2024-Q3	Decreased	66,735	-76.9%	$4.9M	0.0%	$72.48	0
2024-Q2	Increased	288,551	+65.8%	$19.3M	0.0%	$67.00	42

INSMShowing 8 of 30 quarters

INSM
Showing 8 of 30 quarters