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INSMED Inc

INSM
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001104506

In the last 90 days, INSMED Inc insiders filed 0 open-market purchases and 7 sales; 667 institutions reported holding it in 13F filings for Q2 2026, worth $23.8B in total; superinvestors Maverick Capital and Duquesne Family Office hold it.

13F holders, Q2 2026

Institutional positions in INSMED Inc as of Jun 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
667
−3 vs. Q1 2026
Shares held
223.7M
+3.22M (+1.5%) vs. Q1 2026
Total value
$23.8B
−$11.8B (−33.1%) vs. Q1 2026
New holders
119
247 more added
Sold out
122
231 more reduced

5 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting INSM on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ2 2026: 667 institutions
Q1 2021: 199 institutionsQ2 2021: 203 institutionsQ3 2021: 193 institutionsQ4 2021: 214 institutionsQ1 2022: 224 institutionsQ2 2022: 214 institutionsQ3 2022: 238 institutionsQ4 2022: 225 institutionsQ1 2023: 230 institutionsQ2 2023: 223 institutionsQ3 2023: 252 institutionsQ4 2023: 271 institutionsQ1 2024: 288 institutionsQ2 2024: 378 institutionsQ3 2024: 414 institutionsQ4 2024: 439 institutionsQ1 2025: 442 institutionsQ2 2025: 516 institutionsQ3 2025: 566 institutionsQ4 2025: 678 institutionsQ1 2026: 675 institutionsQ2 2026: 667 institutions
Value heldQ2 2026: $23.8B
Q1 2021: $3.63BQ2 2021: $3.46BQ3 2021: $3.40BQ4 2021: $3.36BQ1 2022: $2.97BQ2 2022: $2.55BQ3 2022: $2.74BQ4 2022: $2.87BQ1 2023: $2.48BQ2 2023: $3.09BQ3 2023: $3.72BQ4 2023: $4.64BQ1 2024: $4.07BQ2 2024: $11.7BQ3 2024: $13.7BQ4 2024: $13.3BQ1 2025: $15.3BQ2 2025: $21.2BQ3 2025: $30.3BQ4 2025: $37.8BQ1 2026: $35.7BQ2 2026: $23.8B
Institutions holding INSM and their total value by quarter
QuarterHoldersValue
Q2 2026667$23.8B
Q1 2026675$35.7B
Q4 2025678$37.8B
Q3 2025566$30.3B
Q2 2025516$21.2B
Q1 2025442$15.3B
Q4 2024439$13.3B
Q3 2024414$13.7B
Q2 2024378$11.7B
Q1 2024288$4.07B
Q4 2023271$4.64B
Q3 2023252$3.72B
Q2 2023223$3.09B
Q1 2023230$2.48B
Q4 2022225$2.87B
Q3 2022238$2.74B
Q2 2022214$2.55B
Q1 2022224$2.97B
Q4 2021214$3.36B
Q3 2021193$3.40B
Q2 2021203$3.46B
Q1 2021199$3.63B

Institutions, Q2 2026

Shares, value and share of portfolio for each institution holding INSMED Inc; share changes are against Q1 2026.

Institutions holding INSM in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Continuum Advisory, LLC67$7.14K0.00%+67New
Cape Investment Advisory, Inc.69$7.36K0.00%+69New
Whittier Trust Co70$7.81K0.00%00.0%Unchanged
Covestor Ltd71$8.00K0.00%−15−17.4%Reduced
Fortitude Family Office, LLC77$8.21K0.00%+56+266.7%Added
Fourth Dimension Wealth, LLC80$8.53K0.00%+23+40.4%Added
Harbour Investments, Inc.81$8.64K0.00%+5+6.6%Added
Truvestments Capital LLC84$8.96K0.00%00.0%Unchanged
Washington Trust Advisors, Inc.90$9.57K0.00%+90New
Kemnay Advisory Services Inc.91$9.70K0.00%−128−58.4%Reduced
West Paces Advisors Inc.98$10.4K0.00%+98New
Berbice Capital Management LLC100$10.7K0.01%−1,100−91.7%Reduced
Newbridge Financial Services Group, Inc.100$10.7K0.00%+100New
Silver Grove Financial Group, Inc.104$11.1K0.01%+104New
AdvisorNet Financial, Inc109$11.6K0.00%+1+0.9%Added
Trust Co of Vermont115$12.3K0.00%+115New
Owl Creek Wealth Partners LLC115$12.3K0.00%00.0%Unchanged
Cedar Mountain Advisors, LLC118$12.6K0.00%00.0%Unchanged
Essential Partners LLC119$12.7K0.01%+109+1,090.0%Added
Contravisory Investment Management, Inc.122$13.0K0.00%00.0%Unchanged
Federated Hermes, Inc.130$13.9K0.00%−538,127−100.0%Reduced
Osbon Capital Management LLC137$14.6K0.01%00.0%Unchanged
E Fund Management (Hong Kong) Co., Ltd.138$14.7K0.00%−678−83.1%Reduced
Massmutual Trust Co FSB173$18.4K0.00%−55−24.1%Reduced
Hilltop National Bank187$19.9K0.00%−475−71.8%Reduced
Institute for Wealth Management, LLC.199$21.2K0.00%+199New
Ancora Advisors, LLC200$21.3K0.00%−14−6.5%Reduced
SBI Securities Co., Ltd.206$22.0K0.00%−98−32.2%Reduced
Raiffeisen Bank International AG219$22.9K0.00%+35+19.0%Added
Huntington National Bank218$23.2K0.00%−20−8.4%Reduced
Whittier Trust Co of Nevada Inc216$24.4K0.00%−228−51.4%Reduced
Umb Bank N A232$24.7K0.00%−55−19.2%Reduced
Rothschild Investment LLC245$26.1K0.00%+173+240.3%Added
HighMark Wealth Management LLC250$26.7K0.01%00.0%Unchanged
Towarzystwo Funduszy Inwestycyjnych Pzu SA280$29.9K0.01%00.0%Unchanged
Versant Capital Management, Inc296$31.6K0.00%−80−21.3%Reduced
LRI Investments, LLC307$32.8K0.00%−741−70.7%Reduced
Ossiam316$33.7K0.00%+316New
TD Waterhouse Canada Inc.316$33.8K0.00%+16+5.3%Added
Ronald Blue Trust, Inc.320$34.1K0.00%−4−1.2%Reduced
Larson Financial Group LLC322$34.3K0.00%+75+30.4%Added
Private Wealth Asset Management, LLC333$35.5K0.00%00.0%Unchanged
Wellington-Altus USA Inc.219$35.8K0.03%00.0%Unchanged
Geneos Wealth Management Inc.414$44.1K0.00%00.0%Unchanged
RiverPark Advisors, LLC431$46.0K0.02%−8−1.8%Reduced
Avanza Fonder AB445$47.4K0.00%00.0%Unchanged
Steward Partners Investment Advisory, LLC460$49.0K0.00%−241−34.4%Reduced
Harbor Investment Advisory, LLC486$51.8K0.00%+486New
Stone House Investment Management, LLC501$53.4K0.01%+301+150.5%Added
Pacer Advisors, Inc.502$54.0K0.00%−6,777−93.1%Reduced
TD Private Client Wealth LLC517$55.1K0.00%+397+330.8%Added
Bessemer Group Inc596$63.0K0.00%−227−27.6%Reduced
International Assets Investment Management, LLC595$63.7K0.00%−104−14.9%Reduced
EverSource Wealth Advisors, LLC611$65.1K0.00%−215−26.0%Reduced
Pinnacle Wealth Planning Services, Inc.630$67.2K0.01%−93−12.9%Reduced
Bayforest Capital Ltd663$70.7K0.07%+337+103.4%Added
Allworth Financial LP683$72.9K0.00%−43−5.9%Reduced
First Horizon Corp708$75.5K0.00%−375−34.6%Reduced
Clearstead Advisors, LLC725$77.3K0.00%+725New
Caldwell Sutter Capital, Inc.727$77.5K0.03%+727New
SRS Capital Advisors, Inc.758$80.8K0.00%+606+398.7%Added
Spire Wealth Management766$81.7K0.00%+1+0.1%Added
Transamerica Financial Advisors, Inc.977$104.2K0.01%+219+28.9%Added
PFA Pension, Forsikringsaktieselskab1,008$107.5K0.00%−113,780−99.1%Reduced
Northwestern Mutual Wealth Management Co1,028$109.6K0.00%+745+263.3%Added
Rossby Financial, LCC1,029$109.7K0.02%−4−0.4%Reduced
Manchester Capital Management LLC1,033$110.1K0.01%+16+1.6%Added
Signaturefd, LLC1,132$120.7K0.00%−33−2.8%Reduced
Limestone Investment Advisors LP1,160$123.7K0.06%+1,160New
FNY Investment Advisers, LLC1,300$138.0K0.05%+1,300New
Walleye Capital LLC1,384$147.6K0.00%−70,435−98.1%Reduced
Quantbot Technologies LP1,520$162.1K0.01%+1,520New
Hantz Financial Services, Inc.1,554$166.0K0.00%+1,536+8,533.3%Added
Smartleaf Asset Management LLC1,747$183.0K0.01%00.0%Unchanged
GAMMA Investing LLC1,766$188.3K0.01%−48−2.6%Reduced
Mount Lucas Management LP1,842$196.4K0.07%−2−0.1%Reduced
Buck Wealth Strategies, LLC1,899$202.5K0.02%+1,899New
Morgan Creek Capital Management, LLC1,929$205.7K0.14%+678+54.2%Added
American Trust1,933$206.1K0.02%+223+13.0%Added
denkapparat Operations GmbH1,946$207.5K0.07%+1,946New
Bingham Private Wealth, LLC1,973$210.4K0.14%−197−9.1%Reduced
Insigneo Advisory Services, LLC1,995$212.7K0.01%−1,464−42.3%Reduced
King Wealth2,000$213.0K0.02%+2,000New
Cornerstone Wealth Management, LLC2,000$213.2K0.01%00.0%Unchanged
LongView Wealth Management2,000$213.2K0.05%00.0%Unchanged
Quinn Opportunity Partners LLC2,000$213.2K0.01%+2,000New
Mount Yale Investment Advisors, LLC2,029$216.3K0.00%−1,645−44.8%Reduced
Sagespring Wealth Partners, LLC2,031$216.6K0.00%−734−26.5%Reduced
Cigna Investments Inc2,031$217.0K0.03%00.0%Unchanged
Keenan, LLC2,121$226.1K0.16%00.0%Unchanged
Kingsview Wealth Management, LLC2,147$228.9K0.00%+58+2.8%Added
Parallel Advisors, LLC2,158$230.1K0.00%−133−5.8%Reduced
Envestnet Portfolio Solutions, Inc.2,174$231.8K0.00%+80+3.8%Added
Atomi Financial Group, Inc.2,184$232.9K0.01%−25,678−92.2%Reduced
Sowell Financial Services LLC2,220$236.7K0.01%−40−1.8%Reduced
Evolve Private Wealth, LLC2,249$239.8K0.01%+2,249New
Commonwealth Equity Services, LLC2,266$241.6K0.00%−3,471−60.5%Reduced
Laird Norton Trust Company, LLC2,267$241.7K0.00%−1,068−32.0%Reduced
United Capital Financial Advisers, LLC2,284$243.5K0.00%−1,670−42.2%Reduced
Chicago Partners Investment Group LLC2,276$244.5K0.00%+2,276New