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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 2021

Institutional positions in INSMED Inc as of Dec 31, 2021. 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
214
+23 vs. Q3 2021
Shares held
123.3M
−44.0K (0.0%) vs. Q3 2021
Total value
$3.36B
−$37.9M (−1.1%) vs. Q3 2021
New holders
37
74 more added
Sold out
14
70 more reduced

2 institutions that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2021: 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 2021: 214 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 2021: $3.36B
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 2021

Shares, value and share of portfolio for each institution holding INSMED Inc; share changes are against Q3 2021.

Institutions holding INSM in Q4 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Alliancebernstein L.P.2,819,013$76.8M0.03%+603,211+27.2%Added
Pictet Asset Management SA2,898,755$79.0M0.08%−10,445−0.4%Reduced
Macquarie Group Ltd3,179,883$86.6M0.07%−195,383−5.8%Reduced
Franklin Resources Inc3,328,167$90.7M0.03%−119,621−3.5%Reduced
Bellevue Group AG3,520,861$95.9M0.99%+135,216+4.0%Added
FMR LLC3,545,231$96.6M0.01%−456,863−11.4%Reduced
Ameriprise Financial Inc4,158,422$113.3M0.03%−11,230−0.3%Reduced
State Street Corp4,353,768$118.6M0.01%+190,155+4.6%Added
William Blair Investment Management, LLC4,914,140$133.9M0.36%−61,901−1.2%Reduced
Palo Alto Investors LP6,025,706$164.1M10.49%+6,600+0.1%Added
Janus Henderson Group PLC7,881,558$214.7M0.09%−106,341−1.3%Reduced
BlackRock Inc.9,318,130$253.8M0.01%+107,257+1.2%Added
Vanguard Group Inc11,120,430$302.9M0.01%+287,229+2.7%Added
Price T Rowe Associates Inc15,321,204$417.4M0.04%+580,772+3.9%Added
Natixis0$00.00%−125,323−100.0%Sold out
M&G Investment Management Ltd0$00.00%−66,428−100.0%Sold out
Squarepoint Ops LLC0$00.00%−62,555−100.0%Sold out
Caption Management, LLC0$00.00%−35,000−100.0%Sold out
Ghisallo Capital Management LLC0$00.00%−20,000−100.0%Sold out
XTX Topco Ltd0$00.00%−12,561−100.0%Sold out
Gyon Technologies Capital Management, LP0$00.00%−9,940−100.0%Sold out
Simplex Trading, LLC0$00.00%−9,284−100.0%Sold out
Boothbay Fund Management, LLC0$00.00%−8,054−100.0%Sold out
O'Shaughnessy Asset Management, LLC0$00.00%−2,995−100.0%Sold out
Penserra Capital Management LLC0$00.00%−2,635−100.0%Sold out
BerganKDV Wealth Management, LLC0$00.00%−500−100.0%Sold out
Evolution Wealth Advisors, LLC0$00.00%−367−100.0%Sold out
Nelson, Van Denburg & Campbell Wealth Management Group, LLC0$00.00%−46−100.0%Sold out
Sonora Investment Management, LLC––––Not filed
Berman Capital Advisors, LLC––––Not filed