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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 2024

Institutional positions in INSMED Inc as of Dec 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
439
+32 vs. Q3 2024
Shares held
192.6M
+4.94M (+2.6%) vs. Q3 2024
Total value
$13.3B
−$406.1M (−3.0%) vs. Q3 2024
New holders
75
178 more added
Sold out
43
144 more reduced

7 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2024: 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 2024: 439 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 2024: $13.3B
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 2024

Shares, value and share of portfolio for each institution holding INSMED Inc; share changes are against Q3 2024.

Institutions holding INSM in Q4 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Baird Financial Group, Inc.22,289$1.54M0.00%+22,289New
MML Investors Services, LLC22,955$1.58M0.01%+754+3.4%Added
Atomi Financial Group, Inc.24,774$1.71M0.09%+1,526+6.6%Added
STRS Ohio24,900$1.72M0.01%+1,900+8.3%Added
Cinctive Capital Management LP25,252$1.74M0.09%−5,454−17.8%Reduced
Renaissance Technologies LLC25,287$1.75M0.00%+25,287New
Readystate Asset Management LP26,190$1.81M0.08%−185,599−87.6%Reduced
Assetmark, Inc26,344$1.82M0.00%+291+1.1%Added
UBS Oconnor LLC26,615$1.84M0.05%+4,796+22.0%Added
Stifel Financial Corp26,880$1.86M0.00%−6,974−20.6%Reduced
HighVista Strategies LLC27,612$1.91M0.71%−17,835−39.2%Reduced
Brinker Capital Investments, LLC27,762$1.92M0.02%−325−1.2%Reduced
Orion Portfolio Solutions, LLC27,762$1.92M0.02%−325−1.2%Reduced
Verition Fund Management LLC28,533$1.97M0.01%−47,873−62.7%Reduced
Man Group plc28,963$2.00M0.01%−586,983−95.3%Reduced
ArrowMark Colorado Holdings LLC30,000$2.07M0.03%00.0%Unchanged
Truist Financial Corp30,038$2.07M0.00%+1,000+3.4%Added
Mariner, LLC30,788$2.13M0.00%+5,844+23.4%Added
BI Asset Management Fondsmaeglerselskab A/S31,390$2.17M0.02%+31,390New
LPL Financial LLC32,757$2.26M0.00%+3,172+10.7%Added
KLP Kapitalforvaltning AS33,000$2.28M0.01%+33,000New
Boothbay Fund Management, LLC33,805$2.33M0.07%−9,912−22.7%Reduced
Guggenheim Capital LLC34,342$2.37M0.02%−2,963−7.9%Reduced
Moody Aldrich Partners LLC35,478$2.45M0.45%+35,478New
Parkman Healthcare Partners LLC35,668$2.46M0.33%+235+0.7%Added
Superstring Capital Management LP35,966$2.48M2.18%+35,966New
Kennedy Capital Management, Inc.36,058$2.49M0.06%+23,940+197.6%Added
Nwam LLC36,096$2.49M0.15%+36,096New
Lion Point Capital, LP36,700$2.53M13.27%−15,500−29.7%Reduced
Police & Firemen's Retirement System of New Jersey36,738$2.54M0.02%+36,738New
Legato Capital Management LLC36,871$2.55M0.33%+792+2.2%Added
Profund Advisors LLC37,085$2.56M0.09%−9,101−19.7%Reduced
Pathstone Holdings, LLC37,145$2.56M0.01%+1,601+4.5%Added
State Board of Administration of Florida Retirement System37,632$2.60M0.00%00.0%Unchanged
Bank of Montreal37,753$2.61M0.00%−225,115−85.6%Reduced
China Universal Asset Management Co., Ltd.37,934$2.62M0.25%+4,882+14.8%Added
Lighthouse Investment Partners, LLC39,000$2.69M0.10%−3,000−7.1%Reduced
Great West Life Assurance Co39,379$2.72M0.00%+1,568+4.1%Added
Voloridge Investment Management, LLC39,377$2.72M0.01%−699,574−94.7%Reduced
Treasurer of the State of North Carolina41,770$2.88M0.01%−730−1.7%Reduced
F/M Investments LLC42,793$2.95M0.11%+42,793New
Zurcher Kantonalbank (Zurich Cantonalbank)43,476$3.00M0.01%+6,755+18.4%Added
Edgestream Partners, L.P.43,619$3.01M0.13%+40,369+1,242.1%Added
PFM Health Sciences, LP43,774$3.02M0.23%−108,454−71.2%Reduced
Hennion & Walsh Asset Management, Inc.43,934$3.03M0.14%−43,522−49.8%Reduced
Handelsbanken Fonder AB45,281$3.13M0.01%+1,700+3.9%Added
Arizona State Retirement System47,342$3.27M0.02%+2,722+6.1%Added
Group One Trading, L.P.47,874$3.31M0.11%−122,836−72.0%Reduced
Erste Asset Management GmbH47,600$3.31M0.04%00.0%Unchanged
Teacher Retirement System of Texas48,337$3.34M0.01%+9,471+24.4%Added
Picton Mahoney Asset Management48,897$3.37M0.13%+3,354+7.4%Added
DekaBank Deutsche Girozentrale50,000$3.43M0.01%00.0%Unchanged
Affinity Asset Advisors, LLC50,000$3.45M0.54%00.0%Unchanged
Castleark Management LLC52,780$3.64M0.13%+9,480+21.9%Added
Diadema Partners LP56,337$3.89M4.38%+56,337New
Oak Ridge Investments LLC56,636$3.91M0.31%−1,718−2.9%Reduced
Creative Planning56,710$3.92M0.00%+11,796+26.3%Added
ProShare Advisors LLC56,991$3.93M0.01%+17,141+43.0%Added
Hillsdale Investment Management Inc.57,000$3.94M0.20%+300+0.5%Added
Balyasny Asset Management LLC58,970$4.07M0.01%+38,155+183.3%Added
Harbor Capital Advisors, Inc.59,600$4.12M0.18%+41,918+237.1%Added
Bamco Inc60,000$4.14M0.01%+19,500+48.1%Added
EAM Global Investors LLC61,489$4.25M0.76%−33,353−35.2%Reduced
Rhenman & Partners Asset Management AB61,500$4.25M0.44%−68,013−52.5%Reduced
State of New Jersey Common Pension Fund D64,061$4.42M0.02%+4,438+7.4%Added
AQR Capital Management LLC64,171$4.43M0.01%+1,291+2.1%Added
Twin Tree Management, LP65,147$4.50M0.11%+65,147New
First Trust Advisors LP66,690$4.60M0.00%−214,129−76.3%Reduced
Essex Investment Management Co LLC67,330$4.65M0.84%−9,863−12.8%Reduced
Springhill Fund Asset Management (HK) Co Ltd69,500$4.80M7.79%+69,500New
Parallax Volatility Advisers, L.P.70,537$4.87M0.11%−62,021−46.8%Reduced
Intech Investment Management LLC71,227$4.92M0.05%+24,634+52.9%Added
Allianz Asset Management GmbH71,750$4.95M0.01%−33,927−32.1%Reduced
EAM Investors, LLC71,964$4.97M0.70%−36,008−33.3%Reduced
Thornburg Investment Management Inc74,749$5.16M0.07%−1,120−1.5%Reduced
Algert Global LLC75,754$5.23M0.12%−5,747−7.1%Reduced
Mutual of America Capital Management LLC77,048$5.32M0.06%−68−0.1%Reduced
Axiom Investors LLC83,874$5.79M0.04%−3,340−3.8%Reduced
Corebridge Financial, Inc.85,719$5.92M0.03%+1,685+2.0%Added
HAP Trading, LLC87,533$6.04M2.02%+4,052+4.9%Added
Rice Hall James & Associates, LLC88,860$6.13M0.34%−4,632−5.0%Reduced
Royce & Associates LP90,027$6.22M0.06%−5,000−5.3%Reduced
Aquatic Capital Management LLC91,268$6.30M0.17%+68,268+296.8%Added
OrbiMed Advisors LLC94,559$6.53M0.14%+94,559New
Universal- Beteiligungs- und Servicegesellschaft mbH98,460$6.80M0.01%+98,460New
Tang Capital Management LLC100,000$6.90M0.46%00.0%Unchanged
MetLife Investment Management103,429$7.14M0.04%+13,807+15.4%Added
J. Goldman & Co LP104,179$7.19M0.25%+92,953+828.0%Added
Acuta Capital Partners, LLC104,800$7.24M7.28%−2,700−2.5%Reduced
Mirae Asset Global ETFs Holdings Ltd.105,313$7.27M0.02%+10,352+10.9%Added
StemPoint Capital LP106,610$7.36M1.85%+106,610New
EFG Asset Management (North America) Corp.107,625$7.43M1.01%+56,758+111.6%Added
Ally Bridge Group (NY) LLC114,360$7.90M6.77%−36,473−24.2%Reduced
Van Eck Associates Corp119,234$8.23M0.01%−7,790−6.1%Reduced
Ikarian Capital, LLC119,800$8.27M2.36%−35,035−22.6%Reduced
Senator Investment Group LP120,000$8.28M0.24%+120,000New
State of Wisconsin Investment Board122,111$8.43M0.02%+12,786+11.7%Added
Altium Capital Management LP132,000$9.11M2.84%+2,000+1.5%Added
Russell Investments Group, Ltd.132,154$9.12M0.01%+45,395+52.3%Added
Segall Bryant & Hamill, LLC139,045$9.60M0.13%−1,870−1.3%Reduced