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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, Q4 2022

Institutional positions in INSMED Inc as of Dec 31, 2022. 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
225
−10 vs. Q3 2022
Shares held
143.5M
+16.3M (+12.8%) vs. Q3 2022
Total value
$2.87B
+$127.0M (+4.6%) vs. Q3 2022
New holders
35
101 more added
Sold out
45
61 more reduced

3 institutions that held it in Q3 2022 haven't filed for Q4 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2022: 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 holdersQ4 2022: 225 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 heldQ4 2022: $2.87B
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, Q4 2022

Shares, value and share of portfolio for each institution holding INSMED Inc; share changes are against Q3 2022.

Institutions holding INSM in Q4 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Northern Trust Corp1,300,845$26.0M0.01%+145,517+12.6%Added
Norges Bank1,343,833$26.8M0.01%+177,634+15.2%Added
Bank of New York Mellon Corp1,355,381$27.1M0.01%+413,799+43.9%Added
Hudson Bay Capital Management LP1,397,500$27.9M0.33%+672,500+92.8%Added
Polar Capital Holdings Plc1,541,349$30.8M0.25%+150,000+10.8%Added
Samlyn Capital, LLC1,938,295$38.7M0.76%+751,428+63.3%Added
Holocene Advisors, LP2,138,867$42.7M0.26%+408,359+23.6%Added
Geode Capital Management, LLC2,496,389$49.9M0.01%+352,106+16.4%Added
Suvretta Capital Management, LLC2,520,901$50.4M2.12%+1,290,101+104.8%Added
Alliancebernstein L.P.2,604,184$52.0M0.02%+95,622+3.8%Added
Janus Henderson Group PLC2,996,252$59.9M0.04%−425,074−12.4%Reduced
Ameriprise Financial Inc3,000,301$59.9M0.02%+94,095+3.2%Added
Bellevue Group AG3,277,207$65.5M0.87%+62,503+1.9%Added
William Blair Investment Management, LLC3,390,165$67.7M0.26%−166,419−4.7%Reduced
Franklin Resources Inc3,506,372$70.1M0.04%−6,066−0.2%Reduced
Macquarie Group Ltd3,650,805$72.9M0.09%+92,881+2.6%Added
FMR LLC3,768,407$75.3M0.01%+221,101+6.2%Added
Pictet Asset Management SA3,986,549$79.7M0.12%+568,784+16.6%Added
Deep Track Capital, LP4,264,292$85.2M3.71%+4,264,292New
Palo Alto Investors LP5,871,291$117.3M10.00%+30,893+0.5%Added
State Street Corp6,886,687$137.6M0.01%+1,435,270+26.3%Added
T. Rowe Price Investment Management, Inc.8,374,675$167.3M0.13%+307,913+3.8%Added
Price T Rowe Associates Inc9,977,911$199.4M0.03%+429,664+4.5%Added
BlackRock Inc.11,113,787$222.1M0.01%+1,850,136+20.0%Added
Vanguard Group Inc13,040,831$260.6M0.01%+1,686,861+14.9%Added
Fairmount Funds Management LLC0$00.00%−1,336,368−100.0%Sold out
Millennium Management LLC0$00.00%−920,077−100.0%Sold out
Adage Capital Partners GP, L.L.C.0$00.00%−475,000−100.0%Sold out
Altium Capital Management LP0$00.00%−268,000−100.0%Sold out
Castleark Management LLC0$00.00%−228,410−100.0%Sold out
Sofinnova Investments, Inc.0$00.00%−220,665−100.0%Sold out
Walleye Capital LLC0$00.00%−186,462−100.0%Sold out
Qube Research & Technologies Ltd0$00.00%−121,597−100.0%Sold out
Moore Capital Management, LP0$00.00%−119,972−100.0%Sold out
UBS Oconnor LLC0$00.00%−116,844−100.0%Sold out
Ergoteles LLC0$00.00%−115,121−100.0%Sold out
Twinbeech Capital LP0$00.00%−106,031−100.0%Sold out
Graham Capital Management, L.P.0$00.00%−93,440−100.0%Sold out
Calamos Advisors LLC0$00.00%−74,692−100.0%Sold out
Edgestream Partners, L.P.0$00.00%−73,982−100.0%Sold out
Duality Advisers, LP0$00.00%−72,364−100.0%Sold out
Toronto Dominion Bank0$00.00%−68,646−100.0%Sold out
Mirabella Financial Services LLP0$00.00%−47,538−100.0%Sold out
Voloridge Investment Management, LLC0$00.00%−42,691−100.0%Sold out
Verition Fund Management LLC0$00.00%−40,842−100.0%Sold out
HRT Financial LP0$00.00%−33,945−100.0%Sold out
Engineers Gate Manager LP0$00.00%−30,651−100.0%Sold out
Capital Fund Management S.A.0$00.00%−29,072−100.0%Sold out
Aquatic Capital Management LLC0$00.00%−23,800−100.0%Sold out
Fox Run Management, L.L.C.0$00.00%−23,174−100.0%Sold out
Requisite Capital Management, LLC0$00.00%−20,000−100.0%Sold out
Cna Financial Corp0$00.00%−17,644−100.0%Sold out
Wolverine Trading, LLC0$00.00%−13,530−100.0%Sold out
Seven Eight Capital, LP0$00.00%−12,814−100.0%Sold out
Old National Bancorp0$00.00%−10,413−100.0%Sold out
Cetera Advisor Networks LLC0$00.00%−10,040−100.0%Sold out
Silvant Capital Management LLC0$00.00%−7,341−100.0%Sold out
Caption Management, LLC0$00.00%−7,000−100.0%Sold out
Amundi0$00.00%−4,918−100.0%Sold out
Dark Forest Capital Management LP0$00.00%−4,200−100.0%Sold out
Point72 Hong Kong Ltd0$00.00%−3,856−100.0%Sold out
Cutler Group LP0$00.00%−1,800−100.0%Sold out
Almanack Investment Partners, LLC.0$00.00%−1,126−100.0%Sold out
Quantbot Technologies LP0$00.00%−300−100.0%Sold out
Parallax Volatility Advisers, L.P.0$00.00%−289−100.0%Sold out
Signaturefd, LLC0$00.00%−115−100.0%Sold out
Parallel Advisors, LLC0$00.00%−28−100.0%Sold out
Ronald Blue Trust, Inc.0$00.00%−30−100.0%Sold out
US Bancorp0$00.00%−16−100.0%Sold out
Global Retirement Partners, LLC0$00.00%−4−100.0%Sold out
Jefferies Group LLC––––Not filed
FourThought Financial, LLC––––Not filed
American Portfolios Advisors––––Not filed