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 |
|---|---|---|---|---|---|
| Price T Rowe Associates Inc | 14,372,685 | $409.0M | 0.04% | +3,070,140+27.2% | Added |
| Vanguard Group Inc | 10,646,706 | $303.0M | 0.01% | +961,181+9.9% | Added |
| BlackRock Inc. | 8,660,122 | $246.5M | 0.01% | +281,423+3.4% | Added |
| Janus Henderson Group PLC | 7,952,001 | $226.3M | 0.10% | +1,733,425+27.9% | Added |
| Palo Alto Investors LP | 6,019,106 | $171.3M | 9.44% | +194,599+3.3% | Added |
| William Blair Investment Management, LLC | 5,026,184 | $143.0M | 0.45% | +1,261,948+33.5% | Added |
| FMR LLC | 4,335,406 | $123.4M | 0.01% | −1,634,550−27.4% | Reduced |
| Ameriprise Financial Inc | 4,064,771 | $115.7M | 0.04% | +682,954+20.2% | Added |
| State Street Corp | 3,574,308 | $101.7M | 0.01% | +344,203+10.7% | Added |
| Franklin Resources Inc | 3,448,782 | $98.2M | 0.04% | +614,197+21.7% | Added |
| Macquarie Group Ltd | 3,189,635 | $90.8M | 0.07% | +2,927,018+1,114.6% | Added |
| Bellevue Group AG | 3,120,901 | $88.8M | 0.87% | +643,735+26.0% | Added |
| Point72 Asset Management, L.P. | 2,875,596 | $81.8M | 0.41% | −1,626−0.1% | Reduced |
| Pictet Asset Management Ltd | 2,554,235 | $72.7M | 0.08% | +2,032,553+389.6% | Added |
| Holocene Advisors, LP | 2,501,279 | $71.2M | 0.44% | +723,666+40.7% | Added |
| Baker Bros. Advisors LP | 2,156,001 | $61.4M | 0.27% | 00.0% | Unchanged |
| Alliancebernstein L.P. | 2,046,355 | $58.2M | 0.02% | +226,113+12.4% | Added |
| Geode Capital Management, LLC | 1,898,730 | $54.0M | 0.01% | +175,316+10.2% | Added |
| First Light Asset Management, LLC | 1,385,648 | $39.4M | 2.37% | +434,695+45.7% | Added |
| Fairmount Funds Management LLC | 1,283,887 | $36.5M | 15.02% | +322,090+33.5% | Added |
| Samlyn Capital, LLC | 1,210,714 | $34.5M | 0.53% | +652,579+116.9% | Added |
| Northern Trust Corp | 1,151,123 | $32.8M | 0.01% | +35,620+3.2% | Added |
| Avidity Partners Management LP | 1,150,050 | $32.7M | 0.88% | +1,150,050 | New |
| Norges Bank | 1,105,091 | $31.5M | 0.01% | +55,780+5.3% | Added |
| Eagle Asset Management Inc | 1,033,558 | $29.4M | 0.13% | +15,182+1.5% | Added |
| Westfield Capital Management Co LP | 967,079 | $27.5M | 0.16% | −56,133−5.5% | Reduced |
| Polar Capital Holdings Plc | 936,438 | $26.7M | 0.15% | 00.0% | Unchanged |
| Sectoral Asset Management Inc | 913,700 | $26.0M | 2.10% | +543,500+146.8% | Added |
| Sofinnova Investments, Inc. | 844,169 | $24.0M | 1.46% | +225,219+36.4% | Added |
| Morgan Stanley | 829,751 | $23.6M | 0.00% | +267,684+47.6% | Added |
| Charles Schwab Investment Management Inc | 796,798 | $22.7M | 0.01% | +64,281+8.8% | Added |
| Loomis Sayles & Co L P | 775,250 | $22.1M | 0.03% | −15,682−2.0% | Reduced |
| Goldman Sachs Group Inc | 740,559 | $21.1M | 0.01% | −239,167−24.4% | Reduced |
| Principal Financial Group Inc | 721,792 | $20.5M | 0.01% | +165,213+29.7% | Added |
| Novo Holdings A/S | 695,840 | $19.8M | 0.88% | +239,209+52.4% | Added |
| Citadel Advisors LLC | 690,764 | $19.7M | 0.02% | +440,661+176.2% | Added |
| Invesco Ltd. | 629,615 | $17.9M | 0.00% | −554,507−46.8% | Reduced |
| AXA S.A. | 628,428 | $17.9M | 0.05% | +111,683+21.6% | Added |
| Nuveen Asset Management, LLC | 564,358 | $16.1M | 0.00% | +2,571+0.5% | Added |
| American Century Companies Inc | 542,245 | $15.4M | 0.01% | +65,377+13.7% | Added |
| Candriam Luxembourg S.C.A. | 505,241 | $14.4M | 0.10% | +222,340+78.6% | Added |
| Hood River Capital Management LLC | 466,427 | $13.3M | 0.40% | −6,800−1.4% | Reduced |
| Bank of New York Mellon Corp | 443,958 | $12.6M | 0.00% | +26,215+6.3% | Added |
| Suvretta Capital Management, LLC | 441,065 | $12.6M | 0.19% | +441,065 | New |
| D. E. Shaw & Co., Inc. | 423,146 | $12.0M | 0.01% | −326,663−43.6% | Reduced |
| Granahan Investment Management Inc | 412,453 | $11.7M | 0.22% | +88,994+27.5% | Added |
| Woodline Partners LP | 396,551 | $11.3M | 0.21% | +396,551 | New |
| Bank of America Corp | 367,899 | $10.5M | 0.00% | +151,238+69.8% | Added |
| Edgestream Partners, L.P. | 362,331 | $10.3M | 0.61% | +362,331 | New |
| Voya Investment Management LLC | 358,372 | $10.2M | 0.02% | +196,552+121.5% | Added |
| Sycale Advisors (NY) LLC | 346,271 | $9.85M | 4.97% | −24,418−6.6% | Reduced |
| C WorldWide Group Holding A/S | 343,110 | $9.77M | 0.10% | 00.0% | Unchanged |
| Scout Investments, Inc. | 336,425 | $9.57M | 0.14% | +11,605+3.6% | Added |
| Rice Hall James & Associates, LLC | 300,572 | $8.55M | 0.30% | −43,746−12.7% | Reduced |
| Two Sigma Investments, LP | 273,135 | $7.77M | 0.02% | +48,588+21.6% | Added |
| Endurant Capital Management LP | 260,314 | $7.41M | 2.04% | +127,892+96.6% | Added |
| Cormorant Asset Management, LP | 250,000 | $7.12M | 0.28% | −50,000−16.7% | Reduced |
| TD Asset Management Inc | 280,228 | $6.89M | 0.01% | +29,364+11.7% | Added |
| Two Sigma Advisers, LP | 239,400 | $6.81M | 0.02% | +113,800+90.6% | Added |
| Hennion & Walsh Asset Management, Inc. | 233,143 | $6.63M | 0.35% | +15,448+7.1% | Added |
| Wells Fargo & Company | 232,764 | $6.63M | 0.00% | +6,793+3.0% | Added |
| Swiss National Bank | 227,100 | $6.46M | 0.00% | −5,600−2.4% | Reduced |
| California Public Employees Retirement System | 226,747 | $6.45M | 0.00% | −14,900−6.2% | Reduced |
| JPMorgan Chase & Co | 204,429 | $5.82M | 0.00% | +30,216+17.3% | Added |
| Altium Capital Management LP | 203,354 | $5.79M | 1.34% | +93,100+84.4% | Added |
| Putnam Investments LLC | 201,038 | $5.72M | 0.01% | 00.0% | Unchanged |
| Deerfield Management Company, L.P. (Series C) | 200,000 | $5.69M | 0.10% | +200,000 | New |
| Lord, Abbett & Co. LLC | 195,722 | $5.57M | 0.01% | −2,098,582−91.5% | Reduced |
| Silverarc Capital Management, LLC | 177,433 | $5.05M | 2.66% | −13,377−7.0% | Reduced |
| Citigroup Inc | 170,829 | $4.86M | 0.00% | +45,436+36.2% | Added |
| Deutsche Bank AG | 168,611 | $4.80M | 0.00% | +5,446+3.3% | Added |
| Ghisallo Capital Management LLC | 164,312 | $4.68M | 0.18% | +164,312 | New |
| WCM Investment Management, LLC | 159,499 | $4.54M | 0.01% | +6,350+4.1% | Added |
| GW&K Investment Management, LLC | 153,790 | $4.38M | 0.04% | −3,360−2.1% | Reduced |
| California State Teachers Retirement System | 142,312 | $4.05M | 0.01% | −10,356−6.8% | Reduced |
| DekaBank Deutsche Girozentrale | 134,200 | $3.92M | 0.01% | 00.0% | Unchanged |
| State of Wisconsin Investment Board | 136,300 | $3.88M | 0.01% | 00.0% | Unchanged |
| Natixis | 125,323 | $3.57M | 0.02% | −38,387−23.4% | Reduced |
| UBS Asset Management Americas Inc | 123,000 | $3.50M | 0.00% | +6,596+5.7% | Added |
| Neuberger Berman Group LLC | 121,157 | $3.44M | 0.00% | +121,157 | New |
| Rhumbline Advisers | 115,861 | $3.30M | 0.00% | −4,469−3.7% | Reduced |
| New York State Common Retirement Fund | 114,540 | $3.26M | 0.00% | −7,110−5.8% | Reduced |
| M&G Investment Management Ltd | 110,668 | $3.10M | 0.02% | +110,668 | New |
| Swedbank AB | 102,100 | $2.91M | 0.01% | 00.0% | Unchanged |
| International Biotechnology Trust PLC | 100,100 | $2.85M | 0.76% | +66,500+197.9% | Added |
| Tekla Capital Management LLC | 98,387 | $2.80M | 0.09% | 00.0% | Unchanged |
| State of New Jersey Common Pension Fund D | 95,444 | $2.72M | 0.01% | +29,946+45.7% | Added |
| Royal Bank of Canada | 92,230 | $2.62M | 0.00% | −67,835−42.4% | Reduced |
| Mutual of America Capital Management LLC | 91,807 | $2.61M | 0.03% | −3,948−4.1% | Reduced |
| Parametric Portfolio Associates LLC | 90,797 | $2.58M | 0.00% | −2,928−3.1% | Reduced |
| Bank of Montreal | 84,694 | $2.52M | 0.00% | +80,272+1,815.3% | Added |
| Monashee Investment Management LLC | 87,000 | $2.48M | 0.30% | +87,000 | New |
| Rafferty Asset Management, LLC | 86,779 | $2.47M | 0.02% | +1,599+1.9% | Added |
| Oak Ridge Investments LLC | 86,716 | $2.47M | 0.22% | −9,191−9.6% | Reduced |
| Credit Suisse AG | 78,128 | $2.22M | 0.00% | +190.0% | Added |
| Legal & General Group Plc | 75,101 | $2.14M | 0.00% | +82+0.1% | Added |
| Knights of Columbus Asset Advisors LLC | 61,277 | $1.74M | 0.16% | +14,604+31.3% | Added |
| Gyon Technologies Capital Management, LP | 60,296 | $1.72M | 0.56% | +52,129+638.3% | Added |
| Manufacturers Life Insurance Company, The | 58,024 | $1.65M | 0.00% | +1,191+2.1% | Added |
| American International Group, Inc. | 57,859 | $1.65M | 0.01% | −6,804−10.5% | Reduced |