— Know what they know.
Not Investment Advice
Also trades as: 0JAV.L (LSE) · $vol 0M

INSM NASDAQ

Insmed Incorporated
1W: -5.3% 1M: -24.2% 3M: -33.6% YTD: -38.2% 1Y: +59.9% 3Y: +495.9% 5Y: +317.6%
$106.24
-3.29 (-3.00%)
 
Weekly Expected Move ±14.5%
$78 $93 $109 $125 $141
NASDAQ · Healthcare · Biotechnology · Alpha Radar Strong Sell · Power 32 · $23.0B mcap · 198M float · 1.43% daily turnover · Short 52% of daily vol

🏦 Institutional Activity

Latest: Q1 2026
768
Institutions Holding
-5 vs prior
131.5%
Ownership
-25.67%
85 New
259 Increased
351 Reduced
163 Closed

👔 Insider Trades

25 records
Date Name Title Type Shares Price Value Filing
2026-05-04 Lewis William officer: chair and ceo S-Sale 381 $139.60 $53K Filing
2026-05-04 Lewis William officer: chair and ceo S-Sale 1,247 $139.09 $173K Filing
2026-05-04 Lewis William officer: chair and ceo S-Sale 2,721 $137.86 $375K Filing
2026-05-04 Lewis William officer: chair and ceo S-Sale 5,318 $137.01 $729K Filing
2026-05-04 Lewis William officer: chair and ceo S-Sale 599 $135.18 $81K Filing
2026-05-04 Lewis William officer: chair and ceo S-Sale 433 $134.18 $58K Filing
2026-04-16 Lewis William officer: chair and ceo S-Sale 825 $145.79 $120K Filing
2026-04-16 Lewis William officer: chair and ceo S-Sale 2,255 $144.66 $326K Filing
2026-04-16 Lewis William officer: chair and ceo S-Sale 5,373 $143.81 $773K Filing
2026-04-16 Lewis William officer: chair and ceo S-Sale 2,246 $142.99 $321K Filing
2026-04-06 Lewis William officer: chair and ceo S-Sale 787 $161.73 $127K Filing
2026-04-06 Lewis William officer: chair and ceo S-Sale 8,478 $163.23 $1.4M Filing
2026-04-06 Lewis William officer: chair and ceo S-Sale 1,434 $164.01 $235K Filing
2026-03-30 Smith Michael Alexander officer: chief legal officer S-Sale 19,638 $150.98 $3.0M Filing
2026-03-19 Lewis William officer: chair and ceo S-Sale 4,533 $144.11 $653K Filing
2026-03-19 Lewis William officer: chair and ceo S-Sale 4,537 $143.42 $651K Filing
2026-03-19 Lewis William officer: chair and ceo S-Sale 1,629 $142.17 $232K Filing
2026-03-05 Lewis William officer: chair and ceo S-Sale 2,128 $147.54 $314K Filing
2026-03-05 Lewis William officer: chair and ceo S-Sale 3,899 $146.66 $572K Filing
2026-03-05 Lewis William officer: chair and ceo S-Sale 2,589 $145.27 $376K Filing
2026-03-05 Lewis William officer: chair and ceo S-Sale 2,083 $144.23 $300K Filing
2026-03-03 SHAROKY MELVIN MD director G-Gift 100 $— $0 Filing
2026-02-25 SHAROKY MELVIN MD director G-Gift 243 $— $0 Filing
2026-02-25 SHAROKY MELVIN MD director G-Gift 1,072 $— $0 Filing
2026-02-24 Smith Michael Alexander officer: chief legal officer S-Sale 4,151 $155.06 $644K Filing

🏛️ Congressional Trades

9 records
Date Politician Chamber Type Amount Filing
2025-10-03 Gilbert Cisneros House Sell $1,001 - $15,000 Filing
2025-09-22 Gilbert Cisneros House Sell $1,001 - $15,000 Filing
2025-08-08 Gilbert Cisneros House Sell $1,001 - $15,000 Filing
2025-07-07 Gilbert Cisneros House Sell $1,001 - $15,000 Filing
2025-06-16 Josh Gottheimer House Buy $1,001 - $15,000 Filing
2025-04-09 Josh Gottheimer House Sell $1,001 - $15,000 Filing
2024-06-21 Josh Gottheimer House Sell $1,001 - $15,000 Filing
2024-05-28 Josh Gottheimer House Sell $1,001 - $15,000 Filing
2022-12-06 Josh Gottheimer House Buy $1,001 - $15,000 Filing

🏦 Top Institutional Holders

20 holders
Holder Shares Value Date Reported Filing
JPMORGAN CHASE & CO 24,150,499 $3.7B +950,987 2026-03-31 Filing
BlackRock, Inc. 16,678,146 $2.7B +1,613,094 2026-03-31 Filing
Darwin Global Management, Ltd. 16,805,184 $2.6B -4,128,093 2026-03-31 Filing
FMR LLC 13,160,167 $2.2B +3,232,231 2026-03-31 Filing
VANGUARD PORTFOLIO MANAGEMENT LLC 10,371,802 $1.7B +10,371,802 2026-03-31 Filing
VANGUARD CAPITAL MANAGEMENT LLC 9,642,131 $1.6B +9,642,131 2026-03-31 Filing
Artisan Partners Limited Partnership 6,527,301 $1.1B +1,683,552 2026-03-31 Filing
Capital International Investors 5,595,194 $915M +443,523 2026-03-31 Filing
STATE STREET CORP 5,551,699 $908M +349,955 2026-03-31 Filing
RTW INVESTMENTS, LP 4,842,880 $792M +1 2026-03-31 Filing
GEODE CAPITAL MANAGEMENT, LLC 4,450,389 $733M +151,337 2026-03-31 Filing
AMERIPRISE FINANCIAL INC 3,057,718 $500M +1,088,861 2026-03-31 Filing
FRANKLIN RESOURCES INC 2,617,251 $428M -138,285 2026-03-31 Filing
Invesco Ltd. 1,988,968 $325M -737,889 2026-03-31 Filing
Orbis Allan Gray Ltd 1,872,824 $306M -2,307,133 2026-03-31 Filing
UBS Group AG 1,737,481 $284M -130,154 2026-03-31 Filing
BANK OF AMERICA CORP /DE 1,502,281 $246M -223,400 2026-03-31 Filing
Integral Health Asset Management, LLC 1,500,000 $245M +250,000 2026-03-31 Filing
WESTFIELD CAPITAL MANAGEMENT CO LP 1,468,459 $240M +1,035,938 2026-03-31 Filing
SEI INVESTMENTS CO 1,395,794 $228M +505,624 2026-03-31 Filing

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For informational purposes only. Not investment advice. Data sourced from SEC filings. Privacy Terms