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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, Q1 2024

Institutional positions in INSMED Inc as of Mar 31, 2024. 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
288
+18 vs. Q4 2023
Shares held
150.0M
+597.0K (+0.4%) vs. Q4 2023
Total value
$4.07B
−$561.4M (−12.1%) vs. Q4 2023
New holders
47
97 more added
Sold out
29
97 more reduced

1 institution that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2023: 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 holdersQ1 2024: 288 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 heldQ1 2024: $4.07B
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, Q1 2024

Shares, value and share of portfolio for each institution holding INSMED Inc; share changes are against Q4 2023.

Institutions holding INSM in Q1 2024
InstitutionSharesValue% of portfolioChange in sharesAction
STRS Ohio20,100$545.0K0.00%+9,100+82.7%Added
Henshaw Capital LLC20,148$546.6K0.03%−2,230−10.0%Reduced
HAP Trading, LLC20,517$556.6K0.17%+20,517New
Creative Planning20,904$567.1K0.00%+3,576+20.6%Added
Simplex Trading, LLC21,007$569.0K0.02%+21,007New
Susquehanna Portfolio Strategies, LLC21,419$581.1K0.01%−143,077−87.0%Reduced
Diversified Trust Co21,684$588.3K0.02%+1,078+5.2%Added
Russell Investments Group, Ltd.22,101$599.6K0.00%+21,963+15,915.2%Added
Dana Investment Advisors, Inc.23,690$642.7K0.02%+8,060+51.6%Added
State Board of Administration of Florida Retirement System38,232$651.9K0.00%+610+1.6%Added
Wolverine Trading, LLC24,229$657.3K0.01%+24,229New
Brevan Howard Capital Management LP24,573$666.7K0.06%+18,112+280.3%Added
HRT Financial LP24,944$676.0K0.00%−81,791−76.6%Reduced
Requisite Capital Management, LLC25,000$678.3K0.15%+25,000New
Eisler Capital (US) LLC26,213$711.2K0.24%+26,213New
Laurion Capital Management LP28,173$764.3K0.02%00.0%Unchanged
China Universal Asset Management Co., Ltd.28,569$775.1K0.10%+12,018+72.6%Added
Group One Trading, L.P.29,139$790.5K0.03%+29,139New
Atomi Financial Group, Inc.29,264$793.9K0.07%−86−0.3%Reduced
Chartwell Investment Partners, LLC29,416$798.0K0.03%+5,417+22.6%Added
Winton Group Ltd29,794$808.3K0.06%+29,794New
Teacher Retirement System of Texas30,247$821.0K0.01%−1,362−4.3%Reduced
Handelsbanken Fonder AB30,481$827.0K0.00%+1,900+6.6%Added
Zurcher Kantonalbank (Zurich Cantonalbank)31,376$851.2K0.00%+604+2.0%Added
Engineers Gate Manager LP32,557$883.3K0.02%+19,383+147.1%Added
XTX Topco Ltd33,500$908.9K0.12%+33,500New
ProShare Advisors LLC35,241$956.1K0.00%+3,218+10.0%Added
Shell Asset Management Co14,294$958.0K0.04%+14,294New
Arizona State Retirement System37,351$1.01M0.01%−838−2.2%Reduced
Royal Bank of Canada37,448$1.01M0.00%−35,707−48.8%Reduced
AQR Capital Management LLC37,911$1.03M0.00%+1,486+4.1%Added
Schroder Investment Management Group40,100$1.09M0.00%00.0%Unchanged
Boothbay Fund Management, LLC44,779$1.21M0.04%+44,779New
Erste Asset Management GmbH47,600$1.30M0.02%00.0%Unchanged
Comerica Bank49,540$1.34M0.01%+48,327+3,984.1%Added
Littlejohn & Co LLC50,000$1.36M0.87%+50,000New
DekaBank Deutsche Girozentrale50,000$1.36M0.00%00.0%Unchanged
Legato Capital Management LLC50,258$1.36M0.16%00.0%Unchanged
Great West Life Assurance Co50,228$1.36M0.00%+30+0.1%Added
Mirae Asset Global Investments Co., Ltd.72,715$1.37M0.00%−4,189−5.4%Reduced
Guggenheim Capital LLC50,692$1.38M0.01%+6,682+15.2%Added
Ikarian Capital, LLC51,335$1.39M0.38%+51,335New
Profund Advisors LLC52,943$1.44M0.06%−1,084−2.0%Reduced
UBS Oconnor LLC53,507$1.45M0.04%−3,220−5.7%Reduced
New York State Common Retirement Fund55,209$1.50M0.00%−922−1.6%Reduced
Voloridge Investment Management, LLC55,726$1.51M0.01%−32,819−37.1%Reduced
Envestnet Asset Management Inc56,250$1.53M0.00%−5,655−9.1%Reduced
Trexquant Investment LP59,887$1.62M0.03%−45,595−43.2%Reduced
Cinctive Capital Management LP60,263$1.63M0.08%−114,737−65.6%Reduced
Acuta Capital Partners, LLC61,718$1.67M1.09%+32,218+109.2%Added
Raymond James & Associates62,001$1.68M0.00%+20,885+50.8%Added
Axiom Investors LLC64,051$1.74M0.02%+4,024+6.7%Added
Polar Asset Management Partners Inc.65,800$1.79M0.05%−24,500−27.1%Reduced
Cubist Systematic Strategies, LLC67,111$1.82M0.02%−107,584−61.6%Reduced
American International Group, Inc.68,126$1.85M0.01%−584−0.8%Reduced
Lion Point Capital, LP70,335$1.91M3.65%00.0%Unchanged
MetLife Investment Management71,025$1.93M0.01%−1,423−2.0%Reduced
Mutual of America Capital Management LLC71,148$1.93M0.02%−5,780−7.5%Reduced
Wells Fargo & Company71,453$1.94M0.00%−24,894−25.8%Reduced
Exome Asset Management LLC71,700$1.95M1.67%+10,200+16.6%Added
EFG Asset Management (North America) Corp.72,538$1.97M0.34%+12,814+21.5%Added
SEI Investments Co81,073$2.20M0.00%−17,203−17.5%Reduced
Connor, Clark & Lunn Investment Management Ltd.82,083$2.23M0.01%−189,229−69.7%Reduced
Oak Ridge Investments LLC84,181$2.28M0.23%−3,167−3.6%Reduced
Danske Bank A/S86,100$2.34M0.01%+86,100New
Allianz Asset Management GmbH90,677$2.46M0.00%+61,677+212.7%Added
Parkman Healthcare Partners LLC93,032$2.52M0.31%−57,784−38.3%Reduced
State of New Jersey Common Pension Fund D96,978$2.63M0.01%−8,169−7.8%Reduced
State of Wisconsin Investment Board99,448$2.70M0.01%−12,881−11.5%Reduced
Caption Management, LLC99,888$2.71M0.30%+99,888New
Essex Investment Management Co LLC108,629$2.95M0.58%+622+0.6%Added
Algert Global LLC111,560$3.03M0.12%+111,560New
Silverarc Capital Management, LLC113,616$3.08M0.86%−41,888−26.9%Reduced
Knights of Columbus Asset Advisors LLC117,174$3.18M0.23%−111,609−48.8%Reduced
Artia Global Partners LP118,236$3.21M0.79%+43,300+57.8%Added
Jennison Associates LLC118,512$3.22M0.00%−2,319−1.9%Reduced
Altium Capital Management LP120,000$3.26M1.45%00.0%Unchanged
HighVista Strategies LLC126,780$3.44M1.23%00.0%Unchanged
Standard Life Aberdeen plc133,499$3.62M0.01%+33,499+33.5%Added
Granahan Investment Management Inc133,755$3.63M0.13%−68,438−33.8%Reduced
Renaissance Technologies LLC133,987$3.63M0.01%+133,987New
Credit Suisse AG134,182$3.64M0.00%−174−0.1%Reduced
California State Teachers Retirement System136,107$3.69M0.00%−8,324−5.8%Reduced
Legal & General Group Plc141,824$3.85M0.00%+346+0.2%Added
Susquehanna International Group, LLP145,498$3.95M0.01%+29,052+24.9%Added
Hennion & Walsh Asset Management, Inc.146,912$3.99M0.21%+8,877+6.4%Added
Ghost Tree Capital, LLC150,000$4.07M1.31%+150,000New
Qube Research & Technologies Ltd153,402$4.16M0.01%+133,005+652.1%Added
Susquehanna Fundamental Investments, LLC166,409$4.51M0.21%+166,409New
Invesco Ltd.167,563$4.55M0.00%+66,039+65.0%Added
Neuberger Berman Group LLC170,917$4.64M0.00%+1,989+1.2%Added
D. E. Shaw & Co., Inc.174,022$4.72M0.01%−472,885−73.1%Reduced
Rice Hall James & Associates, LLC179,332$4.87M0.28%−41,938−19.0%Reduced
California Public Employees Retirement System190,717$5.17M0.00%−588−0.3%Reduced
Walleye Capital LLC191,142$5.19M0.06%+72,731+61.4%Added
Alyeska Investment Group, L.P.200,000$5.43M0.03%+200,000New
Rhumbline Advisers207,662$5.63M0.01%+3,966+1.9%Added
Cutter Capital Management, LP227,337$6.17M2.38%−186,162−45.0%Reduced
Barclays PLC227,936$6.18M0.00%−106,593−31.9%Reduced
Manufacturers Life Insurance Company, The232,681$6.31M0.01%+20,646+9.7%Added