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, Q2 2021
Institutional positions in INSMED Inc as of Jun 30, 2021. 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
- 203
- +6 vs. Q1 2021
- Shares held
- 121.5M
- +15.7M (+14.9%) vs. Q1 2021
- Total value
- $3.46B
- −$145.5M (−4.0%) vs. Q1 2021
- New holders
- 30
- 89 more added
- Sold out
- 24
- 51 more reduced
2 institutions that held it in Q1 2021 haven't filed for Q2 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2021: 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.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 667 | $23.8B |
| Q1 2026 | 675 | $35.7B |
| Q4 2025 | 678 | $37.8B |
| Q3 2025 | 566 | $30.3B |
| Q2 2025 | 516 | $21.2B |
| Q1 2025 | 442 | $15.3B |
| Q4 2024 | 439 | $13.3B |
| Q3 2024 | 414 | $13.7B |
| Q2 2024 | 378 | $11.7B |
| Q1 2024 | 288 | $4.07B |
| Q4 2023 | 271 | $4.64B |
| Q3 2023 | 252 | $3.72B |
| Q2 2023 | 223 | $3.09B |
| Q1 2023 | 230 | $2.48B |
| Q4 2022 | 225 | $2.87B |
| Q3 2022 | 238 | $2.74B |
| Q2 2022 | 214 | $2.55B |
| Q1 2022 | 224 | $2.97B |
| Q4 2021 | 214 | $3.36B |
| Q3 2021 | 193 | $3.40B |
| Q2 2021 | 203 | $3.46B |
| Q1 2021 | 199 | $3.63B |
Institutions, Q2 2021
Shares, value and share of portfolio for each institution holding INSMED Inc; share changes are against Q1 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock Inc. | 8,660,122 | $246.5M | 0.01% | +281,423+3.4% | Added |
| Vanguard Group Inc | 10,646,706 | $303.0M | 0.01% | +961,181+9.9% | Added |
| Price T Rowe Associates Inc | 14,372,685 | $409.0M | 0.04% | +3,070,140+27.2% | Added |
| Artisan Partners Limited Partnership | 0 | $0 | 0.00% | −1,773,502−100.0% | Sold out |
| Castle Hook Partners LP | 0 | $0 | 0.00% | −217,870−100.0% | Sold out |
| Castleark Management LLC | 0 | $0 | 0.00% | −209,103−100.0% | Sold out |
| Alps Advisors Inc | 0 | $0 | 0.00% | −186,428−100.0% | Sold out |
| Integral Health Asset Management, LLC | 0 | $0 | 0.00% | −70,000−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −67,008−100.0% | Sold out |
| Mackay Shields LLC | 0 | $0 | 0.00% | −47,744−100.0% | Sold out |
| Acuta Capital Partners, LLC | 0 | $0 | 0.00% | −42,500−100.0% | Sold out |
| Davide Leone & Partners Investment Co Ltd. | 0 | $0 | 0.00% | −21,995−100.0% | Sold out |
| Los Angeles Capital Management LLC | 0 | $0 | 0.00% | −20,256−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −20,182−100.0% | Sold out |
| Tru Independence Asset Management 2, LLC | 0 | $0 | 0.00% | −18,811−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −17,850−100.0% | Sold out |
| TCW Group Inc | 0 | $0 | 0.00% | −14,508−100.0% | Sold out |
| Nomura Holdings Inc | 0 | $0 | 0.00% | −14,000−100.0% | Sold out |
| Winton Group Ltd | 0 | $0 | 0.00% | −10,858−100.0% | Sold out |
| Bridgefront Capital, LLC | 0 | $0 | 0.00% | −9,150−100.0% | Sold out |
| Centiva Capital, LP | 0 | $0 | 0.00% | −9,135−100.0% | Sold out |
| Quantitative Systematic Strategies LLC | 0 | $0 | 0.00% | −7,880−100.0% | Sold out |
| Pacer Advisors, Inc. | 0 | $0 | 0.00% | −1,990−100.0% | Sold out |
| Eaton Vance Management | 0 | $0 | 0.00% | −1,046−100.0% | Sold out |
| Spire Wealth Management | 0 | $0 | 0.00% | −993−100.0% | Sold out |
| Sowell Financial Services LLC | 0 | $0 | 0.00% | −70−100.0% | Sold out |
| Steward Partners Investment Advisory, LLC | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| Waddell & Reed Financial Inc | – | – | – | – | Not filed |
| Amundi Asset Management US, Inc. | – | – | – | – | Not filed |