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, Q4 2024
Institutional positions in Inspire Medical Systems, Inc. as of Dec 31, 2024. 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
- 357
- +16 vs. Q3 2024
- Shares held
- 33.4M
- +361.4K (+1.1%) vs. Q3 2024
- Total value
- $6.20B
- −$772.6M (−11.1%) vs. Q3 2024
- New holders
- 60
- 119 more added
- Sold out
- 44
- 127 more reduced
6 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2024: 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, Q4 2024
Shares, value and share of portfolio for each institution holding Inspire Medical Systems, Inc.; share changes are against Q3 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Royal Bank of Canada | 28,241 | $5.24M | 0.00% | −1,923−6.4% | Reduced |
| California State Teachers Retirement System | 27,865 | $5.17M | 0.01% | −225−0.8% | Reduced |
| Monimus Capital Management, LP | 27,504 | $5.10M | 4.80% | +27,504 | New |
| LMCG Investments, LLC | 26,868 | $4.98M | 0.31% | −3,741−12.2% | Reduced |
| Prudential Financial Inc | 28,740 | $4.96M | 0.01% | −654−2.2% | Reduced |
| Envestnet Asset Management Inc | 25,667 | $4.76M | 0.00% | +1,752+7.3% | Added |
| Comerica Bank | 25,159 | $4.66M | 0.02% | +5,285+26.6% | Added |
| Oak Ridge Investments LLC | 24,904 | $4.62M | 0.36% | −6,431−20.5% | Reduced |
| Thornburg Investment Management Inc | 24,869 | $4.61M | 0.06% | −372−1.5% | Reduced |
| Nippon Life Global Investors Americas, Inc. | 23,380 | $4.33M | 0.20% | −5,210−18.2% | Reduced |
| Ieq Capital, LLC | 21,095 | $3.91M | 0.04% | +18,702+781.5% | Added |
| Citigroup Inc | 19,296 | $3.58M | 0.00% | +1,525+8.6% | Added |
| Wells Fargo & Company | 19,013 | $3.52M | 0.00% | +2,230+13.3% | Added |
| Russell Investments Group, Ltd. | 18,126 | $3.36M | 0.00% | +16,595+1,083.9% | Added |
| PDT Partners, LLC | 18,042 | $3.34M | 0.30% | −5,345−22.9% | Reduced |
| State of Alaska, Department of Revenue | 17,031 | $3.16M | 0.04% | +13+0.1% | Added |
| Cetera Investment Advisers | 16,720 | $3.10M | 0.01% | +634+3.9% | Added |
| Two Sigma Investments, LP | 16,384 | $3.04M | 0.01% | +1,398+9.3% | Added |
| Clearbridge Investments, LLC | 16,349 | $3.03M | 0.00% | +3,231+24.6% | Added |
| Advisor Group Holdings, Inc. | 15,001 | $2.78M | 0.01% | −2,078−12.2% | Reduced |
| Louisiana State Employees Retirement System | 14,500 | $2.69M | 0.05% | +100+0.7% | Added |
| State of Tennessee, Treasury Department | 14,229 | $2.64M | 0.01% | +4,684+49.1% | Added |
| Teacher Retirement System of Texas | 13,679 | $2.54M | 0.01% | +8,649+171.9% | Added |
| Granite Investment Partners, LLC | 13,472 | $2.50M | 0.11% | −2,277−14.5% | Reduced |
| B. Metzler seel. Sohn & Co. AG | 13,425 | $2.49M | 0.03% | +4,285+46.9% | Added |
| Aquatic Capital Management LLC | 13,152 | $2.44M | 0.07% | −13,948−51.5% | Reduced |
| Oppenheimer Asset Management Inc. | 13,027 | $2.41M | 0.03% | +2,375+22.3% | Added |
| Treasurer of the State of North Carolina | 12,884 | $2.39M | 0.01% | +90+0.7% | Added |
| Agf Management Ltd | 12,806 | $2.37M | 0.01% | +12,806 | New |
| Intech Investment Management LLC | 12,797 | $2.37M | 0.02% | −1,423−10.0% | Reduced |
| Gilliland Jeter Wealth Management LLC | 12,723 | $2.36M | 0.80% | −100−0.8% | Reduced |
| Zacks Investment Management | 12,657 | $2.35M | 0.02% | +1,429+12.7% | Added |
| Ensign Peak Advisors, Inc | 12,347 | $2.29M | 0.00% | 00.0% | Unchanged |
| Cerity Partners LLC | 11,762 | $2.21M | 0.00% | −1,814−13.4% | Reduced |
| State of New Jersey Common Pension Fund D | 11,924 | $2.21M | 0.01% | +145+1.2% | Added |
| Maryland State Retirement & Pension System | 11,797 | $2.19M | 0.05% | +21+0.2% | Added |
| AIA Group Ltd | 11,766 | $2.18M | 0.05% | −471−3.8% | Reduced |
| Yousif Capital Management, LLC | 11,580 | $2.15M | 0.02% | −180−1.5% | Reduced |
| Centiva Capital, LP | 11,340 | $2.10M | 0.08% | +11,340 | New |
| American Century Companies Inc | 11,214 | $2.08M | 0.00% | +4,497+66.9% | Added |
| Northwest & Ethical Investments L.P. | 11,025 | $2.04M | 0.06% | −605−5.2% | Reduced |
| Alliancebernstein L.P. | 10,918 | $2.02M | 0.00% | −106−1.0% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 10,760 | $1.99M | 0.00% | +2,960+37.9% | Added |
| Police & Firemen's Retirement System of New Jersey | 10,495 | $1.95M | 0.02% | +10,495 | New |
| Massmutual Trust Co FSB | 10,239 | $1.90M | 0.05% | −990−8.8% | Reduced |
| CWM, LLC | 9,899 | $1.83M | 0.01% | +1,794+22.1% | Added |
| LPL Financial LLC | 9,811 | $1.82M | 0.00% | −338−3.3% | Reduced |
| Danske Bank A/S | 9,753 | $1.81M | 0.01% | +9,353+2,338.3% | Added |
| Amalgamated Bank | 9,707 | $1.80M | 0.01% | −67−0.7% | Reduced |
| Evolutionary Tree Capital Management, LLC | 9,259 | $1.72M | 1.75% | −1,170−11.2% | Reduced |
| New York State Teachers Retirement System | 9,194 | $1.70M | 0.00% | +1,100+13.6% | Added |
| Quadrature Capital Ltd | 9,118 | $1.69M | 0.03% | +3,868+73.7% | Added |
| Arizona State Retirement System | 8,655 | $1.60M | 0.01% | +100+1.2% | Added |
| Employees Retirement System of Texas | 8,580 | $1.59M | 0.01% | 00.0% | Unchanged |
| Handelsbanken Fonder AB | 8,400 | $1.56M | 0.01% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 7,991 | $1.48M | 0.00% | +3,280+69.6% | Added |
| Commonwealth Equity Services, LLC | 7,984 | $1.48M | 0.00% | +575+7.8% | Added |
| MML Investors Services, LLC | 7,941 | $1.47M | 0.01% | +67+0.9% | Added |
| D. E. Shaw & Co., Inc. | 7,753 | $1.44M | 0.00% | +4,780+160.8% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 7,662 | $1.42M | 0.00% | +898+13.3% | Added |
| Congress Asset Management Co | 7,606 | $1.41M | 0.01% | +2,077+37.6% | Added |
| Bessemer Group Inc | 7,060 | $1.31M | 0.00% | +37+0.5% | Added |
| Oregon Public Employees Retirement Fund | 7,054 | $1.31M | 0.02% | −46−0.6% | Reduced |
| Sit Investment Associates Inc | 6,830 | $1.27M | 0.03% | 00.0% | Unchanged |
| Integrated Quantitative Investments LLC | 6,800 | $1.26M | 0.62% | +6,800 | New |
| Verition Fund Management LLC | 6,766 | $1.25M | 0.01% | +3,181+88.7% | Added |
| KLP Kapitalforvaltning AS | 6,400 | $1.19M | 0.01% | +6,400 | New |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 6,397 | $1.19M | 0.01% | +23+0.4% | Added |
| ABN AMRO Bank N.V. | 6,447 | $1.18M | 0.02% | −274−4.1% | Reduced |
| Manufacturers Life Insurance Company, The | 6,364 | $1.18M | 0.00% | −9,302−59.4% | Reduced |
| CenterBook Partners LP | 6,299 | $1.17M | 0.07% | +6,299 | New |
| Deutsche Bank AG | 6,284 | $1.16M | 0.00% | +360+6.1% | Added |
| Winton Group Ltd | 5,977 | $1.11M | 0.07% | +806+15.6% | Added |
| Valeo Financial Advisors, LLC | 5,442 | $1.01M | 0.03% | +19+0.4% | Added |
| Lecap Asset Management Ltd | 5,254 | $974.0K | 0.26% | −1,412−21.2% | Reduced |
| Polar Asset Management Partners Inc. | 5,100 | $945.4K | 0.01% | +5,100 | New |
| Millennium Management LLC | 5,051 | $936.4K | 0.00% | −2,475−32.9% | Reduced |
| Allianz Asset Management GmbH | 4,922 | $912.4K | 0.00% | +2,603+112.2% | Added |
| Mariner, LLC | 4,837 | $896.7K | 0.00% | +77+1.6% | Added |
| Blair William & Co | 4,816 | $892.8K | 0.00% | −3,501−42.1% | Reduced |
| Janney Montgomery Scott LLC | 4,806 | $891.0K | 0.00% | +3,427+248.5% | Added |
| Diversified Trust Co | 4,686 | $868.7K | 0.02% | +173+3.8% | Added |
| MAI Capital Management | 4,634 | $859.0K | 0.01% | −82−1.7% | Reduced |
| Connable Office Inc | 4,633 | $858.9K | 0.09% | 00.0% | Unchanged |
| Schonfeld Strategic Advisors LLC | 4,570 | $847.2K | 0.01% | −3,068−40.2% | Reduced |
| Mutual of America Capital Management LLC | 4,540 | $841.6K | 0.01% | +55+1.2% | Added |
| Bank of Montreal | 4,522 | $838.3K | 0.00% | +1,064+30.8% | Added |
| Pictet Asset Management Holding SA | 4,298 | $796.8K | 0.00% | +536+14.2% | Added |
| Jane Street Group, LLC | 4,267 | $791.0K | 0.00% | −3,778−47.0% | Reduced |
| Apollon Wealth Management, LLC | 4,180 | $774.9K | 0.02% | −229−5.2% | Reduced |
| Pallas Capital Advisors LLC | 4,037 | $748.4K | 0.03% | +233+6.1% | Added |
| Caisse de Depot Et Placement du Quebec | 3,983 | $738.4K | 0.00% | +3,983 | New |
| Xponance, Inc. | 3,824 | $708.9K | 0.01% | +82+2.2% | Added |
| Illinois Municipal Retirement Fund | 3,639 | $674.6K | 0.01% | 00.0% | Unchanged |
| SG Americas Securities, LLC | 3,534 | $655.0K | 0.00% | +892+33.8% | Added |
| M&T Bank Corp | 3,526 | $654.1K | 0.00% | +298+9.2% | Added |
| Public Employees Retirement Association of Colorado | 3,410 | $632.0K | 0.00% | 00.0% | Unchanged |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 3,103 | $616.5K | 0.00% | −1,633−34.5% | Reduced |
| Twin Capital Management Inc | 3,264 | $605.1K | 0.07% | −3,383−50.9% | Reduced |
| Bridgewater Associates, LP | 3,162 | $586.2K | 0.00% | −1,378−30.4% | Reduced |