Question 1

Who owns INSM?

Accepted Answer

INSMED INC (INSM) is held by 276 institutional investors that disclose positions via SEC 13F filings. The largest disclosed holder is JPMORGAN CHASE & CO as of Q1 2026.

Question 2

Are institutions buying or selling INSM?

Accepted Answer

In Q1 2026, 165 institutions opened or increased positions in INSMED INC while 122 reduced or exited — a net buying quarter.

Question 3

What is the Smart Money Verdict on INSM?

Accepted Answer

The Smart Money Verdict combines four independent sources (institutional 13F activity, insider trades, activist filings, and congressional trades) into a single assessment for INSMED INC.

Question 4

How many hedge funds hold INSM?

Accepted Answer

276 institutional investors report holding INSMED INC (INSM) as of Q1 2026, based on SEC 13F filings.

Question 5

Is institutional money flowing into INSM?

Accepted Answer

As of Q1 2026, tracked institutions in INSMED INC show 165 buyers versus 122 sellers — net inflows.

Question 6

Are Congress members and hedge funds both buying INSM?

Accepted Answer

Yes — in the latest quarter, 2 members of Congress and 165 institutional investors bought INSMED INC. HoldingsIntel cross-checks STOCK Act disclosures against 13F filings to surface these overlaps.

Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
JPMORGAN CHASE & CO	Increased	24.2M(+4.1%)	$3.7B	0.2%	+7.18%	40
BlackRock, Inc.	Increased	16.7M(+10.7%)	$2.7B	0.0%	+17.01%	35
FMR LLC	Increased	13.2M(+32.6%)	$2.2B	0.1%	-4.13%	49
VPVANGUARD PORTFOLIO MANAGEMENT LLC	New	10.4M	$1.7B	0.1%	-21.35%	44
VAVANGUARD CAPITAL MANAGEMENT LLC	New	9.6M	$1.6B	0.0%	-21.35%	44
BAKER BROS. ADVISORS LP	Increased	7.4M(+12.6%)	$1.2B	7.0%	+37.92%	70
Artisan Partners Limited Partnership	Increased	6.5M(+34.8%)	$1.1B	1.7%	+8.18%	65
DED. E. Shaw & Co., Inc.	Increased	5.6M(+29.3%)	$919.9M	0.6%	-3.75%	56
Capital International Investors	Increased	5.6M(+8.6%)	$914.9M	0.2%	+70.17%	41
STATE STREET CORP	Increased	5.6M(+6.7%)	$907.8M	0.0%	+50.17%	34
RTW INVESTMENTS, LP	Increased	4.8M	$791.9M	7.9%	+25.40%	61
GEODE CAPITAL MANAGEMENT, LLC	Increased	4.5M(+3.5%)	$733.3M	0.0%	+76.89%	33
PRICE T ROWE ASSOCIATES INC /MD/	Decreased	3.1M(-23.4%)	$505.7M	0.1%	+304.15%	0
AMERIPRISE FINANCIAL INC	Increased	3.1M(+55.3%)	$500M	0.1%	+56.95%	53
FRANKLIN RESOURCES INC	Decreased	2.6M(-5.0%)	$428M	0.1%	+85.61%	0
CITADEL ADVISORS LLC	Increased	2.2M(+88.6%)	$356.9M	0.1%	-4.50%	49
Invesco Ltd.	Decreased	2M(-27.1%)	$325.2M	0.0%	+14.49%	0
Orbis Allan Gray Ltd	Decreased	1.9M(-55.2%)	$306.2M	1.3%	-13.39%	0
UBS Group AG	Decreased	1.7M(-7.0%)	$284.1M	0.0%	-11.84%	0
BANK OF AMERICA CORP /DE/	Decreased	1.5M(-12.9%)	$245.7M	0.0%	+23.76%	0

INSMED INC

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