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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 2023

Institutional positions in INSMED Inc as of Dec 31, 2023. 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
271
+23 vs. Q3 2023
Shares held
149.8M
+2.46M (+1.7%) vs. Q3 2023
Total value
$4.64B
+$921.8M (+24.8%) vs. Q3 2023
New holders
48
91 more added
Sold out
25
88 more reduced

4 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2023: 271 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 2023: $4.64B
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 2023

Shares, value and share of portfolio for each institution holding INSMED Inc; share changes are against Q3 2023.

Institutions holding INSM in Q4 2023
InstitutionSharesValue% of portfolioChange in sharesAction
J. Goldman & Co LP26,014$806.2K0.05%−647−2.4%Reduced
Laurion Capital Management LP28,173$873.1K0.03%+28,173New
Handelsbanken Fonder AB28,581$886.0K0.00%+700+2.5%Added
Allianz Asset Management GmbH29,000$898.7K0.00%+6,600+29.5%Added
Atomi Financial Group, Inc.29,350$909.6K0.13%+29,350New
Captrust Financial Advisors29,481$913.6K0.00%−14,845−33.5%Reduced
Acuta Capital Partners, LLC29,500$914.2K0.51%+29,500New
Bayesian Capital Management, LP29,565$916.2K0.10%+29,565New
Zurcher Kantonalbank (Zurich Cantonalbank)30,772$953.6K0.00%+2,095+7.3%Added
Teacher Retirement System of Texas31,609$980.0K0.01%−7,152−18.5%Reduced
ProShare Advisors LLC32,023$992.4K0.00%+5,498+20.7%Added
AQR Capital Management LLC36,425$1.13M0.00%+4,454+13.9%Added
HN Saltoro Capital, LP36,550$1.13M4.34%−10,000−21.5%Reduced
State Board of Administration of Florida Retirement System37,622$1.17M0.00%00.0%Unchanged
Arizona State Retirement System38,189$1.18M0.01%−657−1.7%Reduced
Jump Financial, LLC39,743$1.23M0.04%−66,206−62.5%Reduced
Schroder Investment Management Group40,100$1.24M0.00%+40,100New
Raymond James & Associates41,116$1.27M0.00%−3,098−7.0%Reduced
Guggenheim Capital LLC44,010$1.36M0.01%−7,908−15.2%Reduced
Erste Asset Management GmbH47,600$1.51M0.02%00.0%Unchanged
Great West Life Assurance Co50,198$1.55M0.00%+11,358+29.2%Added
Legato Capital Management LLC50,258$1.56M0.20%00.0%Unchanged
DekaBank Deutsche Girozentrale50,000$1.58M0.00%00.0%Unchanged
Profund Advisors LLC54,027$1.67M0.07%+6,340+13.3%Added
Campbell & CO Investment Adviser LLC54,928$1.70M0.15%+54,928New
New York State Common Retirement Fund56,131$1.74M0.00%+3,841+7.3%Added
Man Group plc56,568$1.75M0.01%+56,568New
UBS Oconnor LLC56,727$1.76M0.06%−2,565−4.3%Reduced
EFG Asset Management (North America) Corp.59,724$1.85M0.35%+7,031+13.3%Added
Axiom Investors LLC60,027$1.86M0.02%+60,027New
Exome Asset Management LLC61,500$1.91M1.88%+61,500New
Envestnet Asset Management Inc61,905$1.92M0.00%+1,923+3.2%Added
American International Group, Inc.68,710$2.13M0.01%+2,921+4.4%Added
Gsa Capital Partners LLP68,984$2.14M0.18%+30,597+79.7%Added
Weiss Multi-Strategy Advisers LLC70,000$2.17M0.06%+31,770+83.1%Added
Ensign Peak Advisors, Inc70,010$2.17M0.00%+4,340+6.6%Added
Lion Point Capital, LP70,335$2.18M1.95%00.0%Unchanged
MetLife Investment Management72,448$2.25M0.02%+3,530+5.1%Added
Dimensional Fund Advisors LP73,073$2.26M0.00%+954+1.3%Added
Royal Bank of Canada73,155$2.27M0.00%+4,332+6.3%Added
Artia Global Partners LP74,936$2.32M0.92%+74,936New
Mirae Asset Global Investments Co., Ltd.76,904$2.38M0.00%+6,383+9.1%Added
Mutual of America Capital Management LLC76,928$2.38M0.03%−19,396−20.1%Reduced
Squarepoint Ops LLC78,325$2.43M0.01%−3,922−4.8%Reduced
Schonfeld Strategic Advisors LLC79,374$2.46M0.02%−124,026−61.0%Reduced
Oak Ridge Investments LLC87,348$2.71M0.31%−8,175−8.6%Reduced
Voloridge Investment Management, LLC88,545$2.74M0.01%−17,620−16.6%Reduced
Polar Asset Management Partners Inc.90,300$2.80M0.08%00.0%Unchanged
First Trust Advisors LP95,932$2.97M0.00%+12,941+15.6%Added
Wells Fargo & Company96,347$2.99M0.00%−17,249−15.2%Reduced
Seven Eight Capital, LP96,777$3.00M0.35%+44,726+85.9%Added
SEI Investments Co98,276$3.05M0.00%+23,529+31.5%Added
Standard Life Aberdeen plc100,000$3.10M0.01%+100,000New
Invesco Ltd.101,524$3.15M0.00%−364−0.4%Reduced
State of New Jersey Common Pension Fund D105,147$3.26M0.01%−8,005−7.1%Reduced
Trexquant Investment LP105,482$3.27M0.07%−189,511−64.2%Reduced
HRT Financial LP106,735$3.31M0.02%+106,735New
Essex Investment Management Co LLC108,007$3.35M0.66%−40,412−27.2%Reduced
State of Wisconsin Investment Board112,329$3.48M0.01%−2,235−2.0%Reduced
Jane Street Group, LLC112,974$3.50M0.00%+77,459+218.1%Added
Susquehanna International Group, LLP116,446$3.61M0.01%−137,396−54.1%Reduced
Walleye Capital LLC118,411$3.67M0.05%+46,341+64.3%Added
Altium Capital Management LP120,000$3.72M2.56%+120,000New
Jennison Associates LLC120,831$3.74M0.00%+120,831New
Soros Fund Management LLCSuperinvestorSoros Fund Management125,000$3.87M0.07%+125,000New
HighVista Strategies LLC126,780$3.93M1.43%+46,780+58.5%Added
EAM Investors, LLC132,979$4.12M0.74%+68,421+106.0%Added
Credit Suisse AG134,356$4.16M0.00%−343−0.3%Reduced
Hennion & Walsh Asset Management, Inc.138,035$4.28M0.25%−32,971−19.3%Reduced
Legal & General Group Plc141,478$4.38M0.00%+6,824+5.1%Added
Citigroup Inc143,281$4.44M0.01%+3,622+2.6%Added
California State Teachers Retirement System144,431$4.48M0.01%−5,303−3.5%Reduced
Parkman Healthcare Partners LLC150,816$4.67M0.66%+25,816+20.7%Added
Silverarc Capital Management, LLC155,504$4.82M1.49%+5,117+3.4%Added
Deutsche Bank AG164,232$5.09M0.00%−1,733−1.0%Reduced
Susquehanna Portfolio Strategies, LLC164,496$5.10M0.09%+164,496New
Tang Capital Management LLC166,203$5.15M0.48%00.0%Unchanged
Soleus Capital Management, L.P.167,100$5.18M0.57%−50,900−23.3%Reduced
Neuberger Berman Group LLC168,928$5.24M0.00%+59,424+54.3%Added
StemPoint Capital LP173,579$5.38M1.45%+173,579New
Cubist Systematic Strategies, LLC174,695$5.41M0.07%−95,151−35.3%Reduced
Cinctive Capital Management LP175,000$5.42M0.38%+175,000New
California Public Employees Retirement System191,305$5.93M0.00%−1,672−0.9%Reduced
Granahan Investment Management Inc202,193$6.27M0.21%−33,787−14.3%Reduced
Rhumbline Advisers203,696$6.31M0.01%+6,053+3.1%Added
Manufacturers Life Insurance Company, The212,035$6.57M0.00%+2,931+1.4%Added
Rice Hall James & Associates, LLC221,270$6.86M0.40%−3,195−1.4%Reduced
BNP Paribas Arbitrage, SA221,572$6.87M0.01%+98,417+79.9%Added
Great Point Partners LLC225,912$7.00M1.19%−168,960−42.8%Reduced
Knights of Columbus Asset Advisors LLC228,783$7.09M0.46%+114,987+101.0%Added
Swiss National Bank269,200$8.34M0.01%−30,700−10.2%Reduced
Connor, Clark & Lunn Investment Management Ltd.271,312$8.41M0.04%−174,792−39.2%Reduced
Assenagon Asset Management S.A.284,520$8.82M0.03%+22,384+8.5%Added
Peregrine Capital Management LLC290,088$8.99M0.27%−50,037−14.7%Reduced
Scout Investments, Inc.293,197$9.09M0.23%−4,600−1.5%Reduced
UBS Group AG300,181$9.30M0.00%+177,981+145.6%Added
WCM Investment Management, LLC295,328$9.37M0.03%+5,592+1.9%Added
Candriam Luxembourg S.C.A.310,200$9.61M0.07%−15,000−4.6%Reduced
Rafferty Asset Management, LLC321,087$9.95M0.04%+47,563+17.4%Added
Bleichroeder LP325,000$10.1M2.24%00.0%Unchanged