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Livermore
Livermore
ZHEN

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 2026

Institutional positions in INSMED Inc as of Mar 31, 2026. 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
675
+8 vs. Q4 2025
Shares held
220.9M
+27.6M (+14.3%) vs. Q4 2025
Total value
$35.7B
+$2.06B (+6.1%) vs. Q4 2025
New holders
101
288 more added
Sold out
93
216 more reduced

11 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 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 holdersQ1 2026: 675 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 2026: $35.7B
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 2026

Shares, value and share of portfolio for each institution holding INSMED Inc; share changes are against Q4 2025.

Institutions holding INSM in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Capital Advisors, Ltd. LLC2$00.00%+2New
HFM Investment Advisors, LLC1$1640.00%−40−97.6%Reduced
Seneschal Advisors, LLC1$1640.00%00.0%Unchanged
Rialto Wealth Management, LLC1$1640.00%00.0%Unchanged
CoreCap Advisors, LLC2$3270.00%−155−98.7%Reduced
Nemes Rush Group LLC2$3270.00%−2−50.0%Reduced
1015 Capital Partners, LLC2$3270.00%−1−33.3%Reduced
Country Trust Bank2$3270.00%00.0%Unchanged
Davis Capital Management2$3270.00%00.0%Unchanged
SHP Wealth Management2$3280.00%+2New
Frazier Financial Advisors, LLC2$3280.00%+2New
Central Trust Co3$4910.00%00.0%Unchanged
Legacy Wealth Managment, LLC3$4910.00%00.0%Unchanged
GHP Investment Advisors, Inc.3$4910.00%+3New
TopTier Wealth Management, LLC3$4910.00%+3New
Trust Co4$6540.00%00.0%Unchanged
Breakwater Investment Management5$8180.00%00.0%Unchanged
Creative Financial Designs Inc5$8180.00%00.0%Unchanged
High Note Wealth, LLC6$9810.00%−7−53.8%Reduced
Bare Financial Services, Inc6$9810.00%−4−40.0%Reduced
Bay Harbor Wealth Management, LLC6$9810.00%−1−14.3%Reduced
Horizon Investments, LLC6$9810.00%+6New
Triumph Capital Management6$9810.00%+6New
American Capital Advisory, LLC6$9820.00%−1−14.3%Reduced
DiNuzzo Private Wealth, Inc.6$9820.00%00.0%Unchanged
MCF Advisors LLC6$9820.00%+6New
Valley National Advisers Inc12$1.00K0.00%−38−76.0%Reduced
SJS Investment Consulting Inc.7$1.15K0.00%−7−50.0%Reduced
South State Corp.7$1.15K0.00%−2−22.2%Reduced
First Command Advisory Services, Inc.8$1.31K0.00%00.0%Unchanged
MV Capital Management, Inc.8$1.31K0.00%−5−38.5%Reduced
Principia Wealth Advisory, LLC9$1.47K0.00%−3−25.0%Reduced
Atlantic Union Bankshares Corp9$1.47K0.00%00.0%Unchanged
Mather Group, LLC.9$1.47K0.00%+9New
Strategic Wealth Partners, Ltd.9$1.47K0.00%+9New
Essential Partners LLC10$1.64K0.00%−58−85.3%Reduced
North Star Investment Management Corp.10$1.64K0.00%−1−9.1%Reduced
Highline Wealth Partners LLC10$1.64K0.00%+8+400.0%Added
Caitlin John, LLC10$1.64K0.00%+10New
Moisand Fitzgerald Tamayo, LLC10$1.64K0.00%00.0%Unchanged
Activest Wealth Management11$1.80K0.00%−47−81.0%Reduced
IMA Wealth, Inc.12$1.96K0.00%−12−50.0%Reduced
Hughes Financial Services, LLC12$1.96K0.00%+7+140.0%Added
Albion Financial Group13$2.13K0.00%00.0%Unchanged
Bogart Wealth, LLC13$2.13K0.00%+6+85.7%Added
Intentional Wealth Strategies, LLC13$2.13K0.00%+13New
Westside Investment Management, Inc.15$2.45K0.00%00.0%Unchanged
Roxbury Financial LLC15$2.45K0.00%00.0%Unchanged
First Pacific Financial15$2.45K0.00%+3+25.0%Added
Montag A & Associates Inc16$2.61K0.00%00.0%Unchanged
Investors Research Corp16$2.62K0.00%+16New
Vermillion Wealth Management, Inc.16$2.62K0.00%+16New
Raffa Wealth Management, LLC17$2.78K0.00%00.0%Unchanged
N.E.W. Advisory Services LLC17$2.78K0.00%00.0%Unchanged
Atlas Capital Advisors LLC18$2.94K0.00%00.0%Unchanged
Hantz Financial Services, Inc.18$3.00K0.00%−4−18.2%Reduced
Torren Management, LLC19$3.11K0.00%−813−97.7%Reduced
Thurston, Springer, Miller, Herd & Titak, Inc.20$3.27K0.00%00.0%Unchanged
Fortitude Family Office, LLC21$3.43K0.00%+2+10.5%Added
Quadrant Capital Group LLC21$3.43K0.00%+9+75.0%Added
Park Place Capital Corp23$3.76K0.00%00.0%Unchanged
Aster Capital Management (DIFC) Ltd52$3.97K0.00%+52New
Strategic Wealth Advisors LLC29$4.00K0.00%00.0%Unchanged
True Wealth Design, LLC26$4.23K0.00%+2+8.3%Added
Addison Advisors LLC26$4.25K0.00%+26New
Vanguard National Trust Co29$4.74K0.00%+29New
Retirement Wealth Solutions LLC29$4.74K0.00%−13−31.0%Reduced
Atlantic Trust, LLC29$4.74K0.00%00.0%Unchanged
Evermay Wealth Management LLC30$4.91K0.00%00.0%Unchanged
Webster Bank, N. A.30$4.91K0.00%00.0%Unchanged
Colonial Trust Co30$4.96K0.00%+1+3.4%Added
Avion Wealth34$5.00K0.00%−4−10.5%Reduced
Parkside Financial Bank & Trust31$5.07K0.00%−2−6.1%Reduced
JPL Wealth Management, LLC31$5.07K0.00%+31New
S&T Bank33$5.40K0.00%+15+83.3%Added
Prestige Wealth Management Group LLC33$5.40K0.00%00.0%Unchanged
Wolff Wiese Magana LLC34$5.56K0.00%00.0%Unchanged
Brown Brothers Harriman & Co35$5.72K0.00%+11+45.8%Added
NBC Securities, Inc.36$5.89K0.00%+12+50.0%Added
Rakuten Securities, Inc.36$5.89K0.00%−1,117−96.9%Reduced
Aventura Private Wealth, LLC36$5.89K0.00%00.0%Unchanged
Dogwood Wealth Management LLC36$5.89K0.00%+11+44.0%Added
Fairscale Capital, LLC37$6.05K0.00%00.0%Unchanged
JFS Wealth Advisors, LLC37$6.05K0.00%−2−5.1%Reduced
Bell Investment Advisors, Inc38$6.21K0.00%−36−48.6%Reduced
Wall Street Financial Group, Inc.38$6.21K0.00%+38New
Cromwell Holdings LLC40$6.54K0.00%+13+48.1%Added
CVA Family Office, LLC40$6.54K0.00%+38+1,900.0%Added
Pension & Wealth Management Advisors, Inc.40$6.54K0.00%+40New
Dunhill Financial, LLC41$6.79K0.00%+38+1,266.7%Added
Sachetta, LLC42$6.87K0.00%+14+50.0%Added
Signature Equity Partners, LLC43$7.03K0.00%+21+95.5%Added
Private Trust Co NA50$8.18K0.00%00.0%Unchanged
Cornerstone Planning Group LLC60$8.37K0.00%+22+57.9%Added
Root Financial Partners, LLC52$8.50K0.00%+3+6.1%Added
Financial Consulate, Inc54$8.83K0.00%+1+1.9%Added
Salomon & Ludwin, LLC55$8.93K0.00%+3+5.8%Added
Fourth Dimension Wealth, LLC57$9.32K0.00%00.0%Unchanged
Keating Financial Advisory Services, Inc.57$9.32K0.00%+22+62.9%Added
Swiss Re Ltd62$10.1K0.06%00.0%Unchanged