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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, Q3 2025

Institutional positions in INSMED Inc as of Sep 30, 2025. 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
566
+59 vs. Q2 2025
Shares held
210.9M
+2.45M (+1.2%) vs. Q2 2025
Total value
$30.3B
+$9.37B (+44.7%) vs. Q2 2025
New holders
130
194 more added
Sold out
71
197 more reduced

9 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2025: 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 holdersQ3 2025: 566 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 heldQ3 2025: $30.3B
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, Q3 2025

Shares, value and share of portfolio for each institution holding INSMED Inc; share changes are against Q2 2025.

Institutions holding INSM in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Concord Wealth Partners1$1440.00%00.0%Unchanged
Seneschal Advisors, LLC1$1450.00%+1New
Rialto Wealth Management, LLC1$1450.00%+1New
High Note Wealth, LLC2$2880.00%00.0%Unchanged
Country Trust Bank2$2880.00%+2New
Bay Harbor Wealth Management, LLC2$2880.00%+2New
Davis Capital Management2$2880.00%+2New
Dogwood Wealth Management LLC2$2880.00%+2New
HFM Investment Advisors, LLC2$2880.00%+2New
Quaker Wealth Management, LLC2$2890.00%+2New
SJS Investment Consulting Inc.3$4330.00%00.0%Unchanged
Rothschild Investment LLC4$5760.00%+4New
J.Safra Asset Management Corp4$5760.00%+4New
Bogart Wealth, LLC4$5760.00%+4New
Creative Financial Designs Inc5$7200.00%+5New
North Star Investment Management Corp.5$7200.00%+5New
Plante Moran Financial Advisors, LLC5$7200.00%+5New
American Capital Advisory, LLC5$7210.00%00.0%Unchanged
Breakwater Investment Management5$7210.00%+5New
DiNuzzo Private Wealth, Inc.6$8170.00%00.0%Unchanged
Fifth Third Bancorp6$8640.00%+6New
Cloud Capital Management, LLC11$1.00K0.00%+11New
South State Corp.7$1.01K0.00%00.0%Unchanged
Principia Wealth Advisory, LLC8$1.15K0.00%+5+166.7%Added
Hughes Financial Services, LLC7$1.34K0.00%00.0%Unchanged
S&T Bank10$1.44K0.00%+10New
UMA Financial Services, Inc.10$1.44K0.00%−11−52.4%Reduced
Moisand Fitzgerald Tamayo, LLC10$1.44K0.00%00.0%Unchanged
MV Capital Management, Inc.10$1.44K0.00%+6+150.0%Added
Tortoise Investment Management, LLC11$1.58K0.00%+6+120.0%Added
Essential Partners LLC12$1.73K0.00%+10+500.0%Added
Quadrant Capital Group LLC12$1.73K0.00%+12New
Bellevue Asset Management, LLC13$1.87K0.00%−28−68.3%Reduced
Albion Financial Group13$1.87K0.00%+13New
True Wealth Design, LLC15$2.14K0.00%+13+650.0%Added
Roxbury Financial LLC15$2.16K0.00%00.0%Unchanged
Fortitude Family Office, LLC15$2.16K0.00%+5+50.0%Added
Parkside Financial Bank & Trust15$2.16K0.00%−8−34.8%Reduced
N.E.W. Advisory Services LLC17$2.45K0.00%00.0%Unchanged
Bare Financial Services, Inc18$2.59K0.00%+4+28.6%Added
Montag A & Associates Inc18$2.60K0.00%−500−96.5%Reduced
Sound Income Strategies, LLC20$3.29K0.00%+20New
Park Place Capital Corp23$3.31K0.00%00.0%Unchanged
Harbour Investments, Inc.25$3.60K0.00%+20+400.0%Added
Sachetta, LLC25$3.60K0.00%+25New
Quent Capital, LLC26$3.74K0.00%+26New
Cromwell Holdings LLC27$3.89K0.00%00.0%Unchanged
Marquette Asset Management, LLC28$4.03K0.00%+28New
Colonial Trust Co29$4.15K0.00%+10+52.6%Added
Atlantic Trust, LLC29$4.18K0.00%+29New
Webster Bank, N. A.30$4.32K0.00%00.0%Unchanged
TD Private Client Wealth LLC30$4.32K0.00%00.0%Unchanged
Evermay Wealth Management LLC30$4.32K0.00%+10+50.0%Added
JPL Wealth Management, LLC30$4.32K0.00%+30New
JFS Wealth Advisors, LLC31$4.46K0.00%+1+3.3%Added
Root Financial Partners, LLC32$4.61K0.00%+32New
Washington Trust Advisors, Inc.33$4.75K0.00%−75−69.4%Reduced
Clearstead Advisors, LLC33$4.75K0.00%−574−94.6%Reduced
Wolff Wiese Magana LLC34$4.90K0.00%00.0%Unchanged
Avion Wealth38$5.00K0.00%+2+5.6%Added
Bell Investment Advisors, Inc35$5.04K0.00%+8+29.6%Added
Aventura Private Wealth, LLC36$5.18K0.00%00.0%Unchanged
Activest Wealth Management36$5.18K0.00%+36New
Fairscale Capital, LLC37$5.33K0.00%00.0%Unchanged
Retirement Wealth Solutions LLC38$5.47K0.00%+38New
Marshall & Sterling Wealth Advisors Inc.41$5.90K0.00%+41New
Hemington Wealth Management46$6.00K0.00%+3+7.0%Added
Meeder Asset Management Inc44$6.34K0.00%−19−30.2%Reduced
Cape Investment Advisory, Inc.47$6.77K0.01%00.0%Unchanged
Valley National Advisers Inc50$7.00K0.00%+50New
Cornerstone Planning Group LLC38$7.38K0.00%00.0%Unchanged
Motco54$7.78K0.00%+54New
T. Rowe Price Investment Management, Inc.54$8.00K0.00%+54New
Salomon & Ludwin, LLC52$8.17K0.00%+52New
Fourth Dimension Wealth, LLC57$8.21K0.00%−2,275−97.6%Reduced
Wealthspire Advisors, LLC58$8.35K0.00%+58New
Private Trust Co NA73$10.5K0.00%−56−43.4%Reduced
Geneos Wealth Management Inc.73$10.5K0.00%−38−34.2%Reduced
Sunbelt Securities, Inc.74$10.7K0.00%+74New
Caption Management, LLC81$11.7K0.00%−210,847−100.0%Reduced
Groupe la Francaise100$12.1K0.00%+100New
Truvestments Capital LLC84$12.1K0.00%00.0%Unchanged
Trust Co of Vermont95$13.7K0.00%00.0%Unchanged
AdvisorNet Financial, Inc107$15.4K0.00%+27+33.8%Added
Larson Financial Group LLC108$15.6K0.00%+98+980.0%Added
Northwestern Mutual Wealth Management Co114$16.4K0.00%+103+936.4%Added
WPG Advisers, LLC119$17.1K0.01%−11−8.5%Reduced
MAI Capital Management120$17.3K0.00%+96+400.0%Added
Contravisory Investment Management, Inc.146$21.0K0.00%−20−12.0%Reduced
Advisory Services Network, LLC156$22.5K0.00%+156New
B Group, Inc.158$22.8K0.02%−154,842−99.9%Reduced
Ameriflex Group, Inc.164$23.6K0.01%+164New
iA Global Asset Management Inc.166$24.0K0.00%−52−23.9%Reduced
Covestor Ltd167$24.0K0.01%+3+1.8%Added
CIBC Private Wealth Group, LLC179$25.7K0.00%+53+42.1%Added
Versant Capital Management, Inc187$26.9K0.00%−21−10.1%Reduced
Stone House Investment Management, LLC200$28.8K0.00%+200New
Transamerica Financial Advisors, Inc.202$29.1K0.00%+202New
SBI Securities Co., Ltd.207$29.8K0.00%+166+404.9%Added
Massmutual Trust Co FSB217$31.3K0.00%+81+59.6%Added