INSM

INSMED Inc

NasdaqAdd to watchlist

Healthcare · Biotechnology

$128.80

+$3.91+3.13%

Delayed · 2026-09-09T20:00:00.000Z · marketstack

2 of 47tracked managers hold this· Q2 2026

Aug 10, 2026$128.80

−$5.95−4.42%over 1M

Day range79% of range

$121.04$130.83

Session

Previous close: $124.89
Open: $124.00
Volume: 2.84M
Avg volume: -
Day high: $130.83
Day low: $121.04

Fundamentals

Visualize fundamentals and more

Market cap: 27.99B
P/E ratio: -
EPS (TTM): -$4.03
Dividend yield: -
Beta: 0.84
Shares outstanding: 217.35M

Source SEC EDGAR · 9/10/2026

Tracked investors

As of Q2 2026 · 72 days ago · next update ~14 Nov 2026· what moved this quarter, onMeasure

2 fund managers this platform follows disclosed a position here, from quarterly SEC filings up to 45 days old; a manager may have sold since without yet having to say so.

Stanley Druckenmiller
Duquesne Family Office
$151.9M
3.49%of book
Joel Greenblatt
Gotham Asset Management
$2.33M
0.01%of book

Manager	Position	Share of their book	Last change
Stanley Druckenmiller Duquesne Family Office	$151.9M	3.49%
Joel Greenblatt Gotham Asset Management	$2.33M	0.01%

Share price, with each quarter a tracked manager’s position changed shaded across the range it traded in.

50100150200

129

now

Q3 '24

Q4 '24

Q1 '25

Q2 '25

Q3 '25

Q4 '25

Q1 '26

Q2 '26

Hover a shaded quarter to see it moved. Who, and the range they traded in, is onBespoke

13F filings cover US-listed shares only (not cash, bonds, shorts, or private holdings) and are never a recommendation to do the same.

Risk factors, year on year

Item 1AFebruary 2026 10-KFebruary 2025as filed.

added: 77
dropped: 71
re-drafted: 120

Out of 275 passages in this year’s Item 1A.

New this year

• We are subject to substantial, ongoing regulatory requirements, including with respect to advertising and promotion, and failure to comply with these requirements may lead to enforcement action or otherwise materially harm our business.

147 more passages, included withBespoke

Recent activity

Aug 10Adsett Roger sold 239,850 sharesInsider tradingForm 4Chief Operating Officer, about $32.0M
Aug 6Flammer Martina M.D. sold 27,173 sharesInsider tradingForm 4Chief Medical Officer, about $3.5M, pre-planned (10b5-1)
Aug 6Results announcementCompany filing8-K

21 more events, included withMeasure

Discussion

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Ask about INSMED Inc

The assistant answers from what INSM has actually filed: 17 annual reports filed with the SEC, 200 Form 4 filings from the last year, 13F positions from the 2 tracked investors who hold it and 6 funds that hold it. Every figure in a reply links to the filing it came from, so an answer can be checked rather than believed.

Pressing one answers it here, from INSM's filings and figures. One a day without an account; a free account has its own, and no card.

See every investor holding INSMED Inc, and every quarter they moved.

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What an account lets you do with INSMED Inc

Separate the decisions from the paperwork
Every Form 4 INSM insiders have filed, with vesting and automatic tax sales struck out: what's left is the buys and sells somebody actually chose to make.
Every filingMeasure
Watch the same stakes the professionals are watching
Every tracked position priced at the quarter it was filed and diffed against the one before it: who added, who trimmed, who walked away.
Every position they holdMeasure
Interrogate the filing, not the internet
Ask anything about INSMED Inc's fundamentals. The assistant answers from its own filings and cites the figure, never a guess from the open web.

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