Insmed Ownership

Who are the major shareholders and have insiders been buying or selling?


Insider Trading Volume

Insider Buying: INSM insiders have only sold shares in the past 3 months.


Recent Insider Transactions

NasdaqGS:INSM Recent Insider Transactions by Companies or Individuals
DateValueNameEntityRoleSharesMax Price
10 Aug 22SellUS$7,170John WiseIndividual258US$27.79
12 Jul 22SellUS$22,019Michael SmithIndividual941US$23.40
17 May 22SellUS$183,353William LewisIndividual9,394US$20.18
17 May 22SellUS$54,360S. SchaefferIndividual2,784US$20.27
17 May 22SellUS$66,847Roger AdsettIndividual3,416US$20.34
17 May 22SellUS$29,492Michael SmithIndividual1,488US$20.37
16 May 22SellUS$29,135Martina FlammerIndividual1,574US$18.51
16 May 22SellUS$26,525Sara BonsteinIndividual1,433US$18.51
11 May 22BuyUS$344,000Melvin SharokyIndividual20,000US$17.20
12 Jan 22SellUS$29,914Roger AdsettIndividual1,217US$24.58
11 Jan 22SellUS$28,977Sara BonsteinIndividual1,154US$25.11
11 Jan 22SellUS$37,539Martina FlammerIndividual1,495US$25.11
11 Jan 22SellUS$23,227S. SchaefferIndividual925US$25.11
11 Jan 22SellUS$10,220Michael SmithIndividual407US$25.11
11 Jan 22SellUS$72,141William LewisIndividual2,873US$25.11
06 Jan 22SellUS$30,742Michael SmithIndividual1,136US$27.61
06 Jan 22SellUS$83,410S. SchaefferIndividual3,115US$27.61
06 Jan 22SellUS$335,511William LewisIndividual12,463US$27.61
06 Jan 22SellUS$130,441Roger AdsettIndividual4,827US$27.61
05 Jan 22SellUS$39,289Martina FlammerIndividual1,423US$27.61
01 Nov 21BuyUS$429,043Steinar EngelsenIndividual14,235US$30.14
01 Nov 21BuyUS$301,500David BrennanIndividual10,000US$30.15

Ownership Breakdown

What is the ownership structure of INSM?
Owner TypeNumber of SharesOwnership Percentage
Individual Insiders1,136,0640.9%
Institutions123,824,03399.1%

Dilution of Shares: Shareholders have been diluted in the past year, with total shares outstanding growing by 4.1%.


Top Shareholders

Top 25 shareholders own 78.95% of the company
OwnershipNameSharesCurrent ValueChange %Portfolio %
9.37%
The Vanguard Group, Inc.
11,247,644$260.4m1.34%0.01%
7.87%
BlackRock, Inc.
9,445,109$218.7m0.89%0.01%
7.71%
T. Rowe Price Group, Inc.
9,247,165$214.1m-43%0.02%
5.83%
Janus Henderson Group plc
7,000,337$162.1m-8.83%0.09%
4.87%
Palo Alto Investors LP
5,840,398$135.2m-0.7%9.86%
4.85%
State Street Global Advisors, Inc.
5,819,072$134.7m13.62%0.01%
3.17%
Pictet Asset Management Limited
3,797,941$87.9m6.81%0.08%
3.02%
Bellevue Asset Management AG
3,621,562$83.8m1.96%0.87%
2.95%
William Blair Investment Management, LLC
3,538,518$81.9m-1.91%0.14%
2.92%
Macquarie Investment Management Business Trust
3,499,010$81.0m5.97%0.08%
2.9%
Franklin Resources, Inc.
3,477,481$80.5m5.08%0.03%
2.84%
FMR LLC
3,405,447$78.8m2.11%0.01%
2.41%
Holocene Advisors, LP
2,893,822$67.0m5.48%0.39%
2.34%
AllianceBernstein L.P.
2,810,224$65.1m-4.71%0.03%
2.26%
Columbia Management Investment Advisers, LLC
2,709,180$62.7m-22.24%0.02%
1.8%
Baker Bros. Advisors LP
2,156,001$49.9m0%0.27%
1.75%
Geode Capital Management, LLC
2,096,868$48.5m-1.01%0.01%
1.73%
Suvretta Capital Management, LLC
2,078,680$48.1m57.66%1.73%
1.57%
Candriam Luxembourg S.A.
1,882,448$43.6m29.07%0.15%
1.43%
Point72 Asset Management, L.P.
1,713,737$39.7m-27.98%0.1%
1.11%
Fairmount Funds Management LLC
1,326,368$30.7m-31.94%5.12%
1.08%
Norges Bank Investment Management
1,297,422$30.0m0%no data
1.07%
Rubric Capital Management LP
1,288,276$29.8m100.63%1.5%
1.06%
Loomis Sayles & Company, L.P.
1,271,622$29.4m-0.51%0.05%
1.05%
Assenagon Asset Management S.A.
1,258,920$29.1m56.63%0.1%