Inspire Medical Systems, Inc.
INSP- Exchange
- NYSE
- Industry
- Surgical & Medical Instruments & Apparatus
- SEC CIK
- 0001609550
In the last 90 days, Inspire Medical Systems, Inc. insiders filed 0 open-market purchases and 1 sale; 275 institutions reported holding it in 13F filings for Q2 2026, worth $1.65B in total; no superinvestor holds it.
13F holders, Q2 2021
Institutional positions in Inspire Medical Systems, 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
- 248
- −2 vs. Q1 2021
- Shares held
- 25.0M
- −73.8K (−0.3%) vs. Q1 2021
- Total value
- $4.83B
- −$356.6M (−6.9%) vs. Q1 2021
- New holders
- 34
- 101 more added
- Sold out
- 36
- 74 more reduced
1 institution 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 INSP 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 | 275 | $1.65B |
| Q1 2026 | 301 | $1.80B |
| Q4 2025 | 343 | $3.12B |
| Q3 2025 | 325 | $2.31B |
| Q2 2025 | 356 | $4.39B |
| Q1 2025 | 363 | $5.46B |
| Q4 2024 | 357 | $6.20B |
| Q3 2024 | 347 | $7.03B |
| Q2 2024 | 325 | $4.23B |
| Q1 2024 | 327 | $6.83B |
| Q4 2023 | 343 | $6.31B |
| Q3 2023 | 365 | $5.65B |
| Q2 2023 | 407 | $9.11B |
| Q1 2023 | 374 | $6.68B |
| Q4 2022 | 340 | $7.11B |
| Q3 2022 | 301 | $5.01B |
| Q2 2022 | 287 | $5.01B |
| Q1 2022 | 299 | $6.92B |
| Q4 2021 | 289 | $5.95B |
| Q3 2021 | 254 | $5.91B |
| Q2 2021 | 248 | $4.83B |
| Q1 2021 | 251 | $5.21B |
Institutions, Q2 2021
Shares, value and share of portfolio for each institution holding Inspire Medical Systems, Inc.; share changes are against Q1 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Group Inc | 2,500,933 | $483.3M | 0.01% | +24,333+1.0% | Added |
| BlackRock Inc. | 1,905,831 | $368.3M | 0.01% | −96,385−4.8% | Reduced |
| FMR LLC | 1,715,068 | $331.5M | 0.03% | −1,027,395−37.5% | Reduced |
| Fred Alger Management, LLC | 1,134,881 | $219.3M | 0.52% | +273,126+31.7% | Added |
| Franklin Resources Inc | 1,101,096 | $212.8M | 0.08% | +20,343+1.9% | Added |
| Invesco Ltd. | 900,040 | $173.9M | 0.04% | +24,555+2.8% | Added |
| Credit Suisse AG | 791,545 | $154.6M | 0.12% | +103,584+15.1% | Added |
| Gilder Gagnon Howe & Co LLC | 775,966 | $150.0M | 0.74% | −78,716−9.2% | Reduced |
| William Blair Investment Management, LLC | 761,475 | $147.2M | 0.46% | +118,294+18.4% | Added |
| Champlain Investment Partners, LLC | 661,655 | $127.9M | 0.61% | +66,315+11.1% | Added |
| Wasatch Advisors Inc | 653,867 | $126.4M | 0.51% | +2,918+0.4% | Added |
| State Street Corp | 522,405 | $101.0M | 0.01% | +27,950+5.7% | Added |
| Marshall Wace North America L.P. | 455,063 | $87.9M | 0.37% | +131,828+40.8% | Added |
| Geode Capital Management, LLC | 454,886 | $87.9M | 0.01% | +25,417+5.9% | Added |
| Marshall Wace, LLP | 436,229 | $84.3M | 0.45% | +68,758+18.7% | Added |
| Bamco Inc | 382,035 | $73.8M | 0.17% | +8,100+2.2% | Added |
| Bellevue Group AG | 373,226 | $72.1M | 0.70% | +53,038+16.6% | Added |
| Victory Capital Management Inc | 365,679 | $70.7M | 0.07% | −15,377−4.0% | Reduced |
| D. E. Shaw & Co., Inc. | 344,543 | $66.6M | 0.08% | −50,576−12.8% | Reduced |
| Northern Trust Corp | 333,923 | $64.5M | 0.01% | −1,194−0.4% | Reduced |
| Federated Hermes, Inc. | 333,556 | $64.5M | 0.12% | −140,575−29.6% | Reduced |
| Morgan Stanley | 323,802 | $62.6M | 0.01% | +30,570+10.4% | Added |
| Macquarie Group Ltd | 309,905 | $59.9M | 0.05% | +242,689+361.1% | Added |
| Citadel Advisors LLC | 289,394 | $55.9M | 0.06% | +236,335+445.4% | Added |
| Loomis Sayles & Co L P | 267,168 | $51.6M | 0.06% | −89,163−25.0% | Reduced |
| Lord, Abbett & Co. LLC | 247,485 | $47.8M | 0.12% | −749,098−75.2% | Reduced |
| Norges Bank | 247,152 | $47.8M | 0.01% | +53,976+27.9% | Added |
| Price T Rowe Associates Inc | 230,316 | $44.5M | 0.00% | −163−0.1% | Reduced |
| Wells Fargo & Company | 212,860 | $41.1M | 0.01% | +22,935+12.1% | Added |
| TimesSquare Capital Management, LLC | 210,975 | $40.8M | 0.33% | −16,905−7.4% | Reduced |
| Pura Vida Investments, LLC | 203,996 | $39.4M | 2.81% | −191−0.1% | Reduced |
| Point72 Asset Management, L.P. | 202,852 | $39.2M | 0.20% | +92,009+83.0% | Added |
| Charles Schwab Investment Management Inc | 196,461 | $38.0M | 0.01% | +4,128+2.1% | Added |
| Adage Capital Partners GP, L.L.C. | 190,000 | $36.7M | 0.07% | +70,000+58.3% | Added |
| Eagle Asset Management Inc | 181,398 | $35.1M | 0.15% | −27,482−13.2% | Reduced |
| Jennison Associates LLC | 179,932 | $34.8M | 0.02% | −5,634−3.0% | Reduced |
| Mairs & Power Inc | 177,734 | $34.3M | 0.34% | +101,355+132.7% | Added |
| Balyasny Asset Management LLC | 174,893 | $33.8M | 0.19% | +167,135+2,154.4% | Added |
| Artisan Partners Limited Partnership | 173,903 | $33.6M | 0.04% | −12,591−6.8% | Reduced |
| Millennium Management LLC | 159,544 | $30.8M | 0.04% | +152,938+2,315.1% | Added |
| Principal Financial Group Inc | 159,100 | $30.7M | 0.02% | −106,734−40.2% | Reduced |
| Atika Capital Management LLC | 143,600 | $27.8M | 2.30% | −4,400−3.0% | Reduced |
| Thrivent Financial for Lutherans | 130,456 | $25.2M | 0.05% | +2,130+1.7% | Added |
| Driehaus Capital Management LLC | 129,984 | $25.1M | 0.33% | −91,200−41.2% | Reduced |
| Nuveen Asset Management, LLC | 129,912 | $25.1M | 0.01% | +2,559+2.0% | Added |
| Goldman Sachs Group Inc | 125,115 | $24.2M | 0.01% | +47,226+60.6% | Added |
| Miura Global Management, LLC | 125,000 | $24.2M | 4.41% | +30,000+31.6% | Added |
| Bank of New York Mellon Corp | 117,016 | $22.6M | 0.00% | +695+0.6% | Added |
| Granite Investment Partners, LLC | 115,999 | $22.4M | 0.69% | +206+0.2% | Added |
| Frontier Capital Management Co LLC | 114,194 | $22.1M | 0.16% | +81,571+250.0% | Added |
| Nicholas Investment Partners, LP | 109,746 | $21.2M | 1.33% | +8,700+8.6% | Added |
| UBS Asset Management Americas Inc | 104,733 | $20.2M | 0.01% | −3,426−3.2% | Reduced |
| Bank of America Corp | 90,515 | $17.5M | 0.00% | −10,098−10.0% | Reduced |
| Amundi | 87,933 | $17.0M | 0.01% | +87,933 | New |
| Polar Asset Management Partners Inc. | 73,104 | $14.1M | 0.17% | +73,104 | New |
| Oak Ridge Investments LLC | 67,481 | $13.0M | 1.14% | −1,936−2.8% | Reduced |
| Sectoral Asset Management Inc | 67,250 | $13.0M | 1.05% | +6,750+11.2% | Added |
| Ameriprise Financial Inc | 62,413 | $12.1M | 0.00% | +31,235+100.2% | Added |
| Swiss National Bank | 59,800 | $11.6M | 0.01% | +4,400+7.9% | Added |
| California Public Employees Retirement System | 59,766 | $11.6M | 0.01% | −3,247−5.2% | Reduced |
| JPMorgan Chase & Co | 56,318 | $10.9M | 0.00% | −56,049−49.9% | Reduced |
| Eagle Health Investments LP | 56,053 | $10.8M | 3.72% | +18,600+49.7% | Added |
| Deutsche Bank AG | 54,485 | $10.5M | 0.01% | +16,757+44.4% | Added |
| Allianz Asset Management GmbH | 51,340 | $9.92M | 0.01% | −2,606−4.8% | Reduced |
| Bridgewater Associates, LP | 49,042 | $9.48M | 0.06% | +45,929+1,475.4% | Added |
| Cormorant Asset Management, LP | 48,132 | $9.30M | 0.36% | −36,868−43.4% | Reduced |
| Novo Holdings A/S | 46,151 | $8.92M | 0.40% | +6,151+15.4% | Added |
| Segall Bryant & Hamill, LLC | 43,866 | $8.48M | 0.08% | −17,095−28.0% | Reduced |
| Renaissance Technologies LLC | 43,439 | $8.39M | 0.01% | +43,439 | New |
| Calamos Advisors LLC | 40,430 | $7.81M | 0.04% | −2,329−5.4% | Reduced |
| State of Wisconsin Investment Board | 37,600 | $7.27M | 0.02% | 00.0% | Unchanged |
| California State Teachers Retirement System | 37,063 | $7.16M | 0.01% | −2,464−6.2% | Reduced |
| Alliancebernstein L.P. | 34,700 | $6.71M | 0.00% | −2,100−5.7% | Reduced |
| New York State Common Retirement Fund | 34,533 | $6.67M | 0.01% | −7,110−17.1% | Reduced |
| Russell Investments Group, Ltd. | 34,119 | $6.59M | 0.01% | −11,335−24.9% | Reduced |
| Parametric Portfolio Associates LLC | 32,371 | $6.26M | 0.00% | +3,996+14.1% | Added |
| Osterweis Capital Management Inc | 29,420 | $5.69M | 0.29% | +29,420 | New |
| Jackson Square Partners, LLC | 29,171 | $5.64M | 0.03% | +21,905+301.5% | Added |
| Rhumbline Advisers | 27,863 | $5.38M | 0.01% | −781−2.7% | Reduced |
| Canada Pension Plan Investment Board | 27,000 | $5.22M | 0.01% | +27,000 | New |
| Lazard Asset Management LLC | 26,975 | $5.21M | 0.01% | +26,605+7,190.5% | Added |
| PDT Partners, LLC | 26,031 | $5.03M | 0.33% | +20,931+410.4% | Added |
| First Trust Advisors LP | 23,814 | $4.60M | 0.00% | −80,919−77.3% | Reduced |
| Mutual of America Capital Management LLC | 23,099 | $4.46M | 0.04% | −994−4.1% | Reduced |
| Royal Bank of Canada | 22,186 | $4.29M | 0.00% | +5,081+29.7% | Added |
| Public Employees Retirement System of Ohio | 21,893 | $4.23M | 0.01% | −794−3.5% | Reduced |
| Soleus Capital Management, L.P. | 21,550 | $4.17M | 0.64% | +21,550 | New |
| Assenagon Asset Management S.A. | 21,038 | $4.07M | 0.02% | +21,038 | New |
| Altium Capital Management LP | 20,655 | $3.99M | 0.93% | +20,655 | New |
| Man Group plc | 20,078 | $3.88M | 0.01% | −14,561−42.0% | Reduced |
| Intrinsic Edge Capital Management LLC | 20,000 | $3.87M | 0.23% | +20,000 | New |
| Voloridge Investment Management, LLC | 19,667 | $3.80M | 0.03% | +15,438+365.1% | Added |
| Bank of Montreal | 18,805 | $3.68M | 0.00% | +17,900+1,977.9% | Added |
| Neuberger Berman Group LLC | 17,972 | $3.47M | 0.00% | +2,124+13.4% | Added |
| Legal & General Group Plc | 17,496 | $3.38M | 0.00% | +224+1.3% | Added |
| ETF Managers Group, LLC | 16,840 | $3.29M | 0.05% | +16,840 | New |
| State of New Jersey Common Pension Fund D | 16,898 | $3.27M | 0.01% | +1,462+9.5% | Added |
| Advisor Group Holdings, Inc. | 16,674 | $3.22M | 0.01% | +5,098+44.0% | Added |
| Squarepoint Ops LLC | 16,439 | $3.18M | 0.02% | +11,777+252.6% | Added |
| Tudor Investment Corp Et Al | 16,244 | $3.14M | 0.06% | +10,894+203.6% | Added |