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, Q3 2023
Institutional positions in Inspire Medical Systems, Inc. as of Sep 30, 2023. 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
- 365
- −38 vs. Q2 2023
- Shares held
- 28.4M
- +303.0K (+1.1%) vs. Q2 2023
- Total value
- $5.65B
- −$3.45B (−37.9%) vs. Q2 2023
- New holders
- 49
- 144 more added
- Sold out
- 87
- 121 more reduced
4 institutions that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2023: 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, Q3 2023
Shares, value and share of portfolio for each institution holding Inspire Medical Systems, Inc.; share changes are against Q2 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Tudor Investment Corp Et Al | 8,693 | $1.73M | 0.03% | −9,219−51.5% | Reduced |
| Alliancebernstein L.P. | 9,083 | $1.80M | 0.00% | −56−0.6% | Reduced |
| Beacon Investment Advisory Services, Inc. | 9,145 | $1.81M | 0.09% | +8,429+1,177.2% | Added |
| Centiva Capital, LP | 9,558 | $1.90M | 0.09% | −11,922−55.5% | Reduced |
| LPL Financial LLC | 9,584 | $1.90M | 0.00% | +1,452+17.9% | Added |
| Magnetar Financial LLC | 10,183 | $2.02M | 0.05% | +10,183 | New |
| Truist Financial Corp | 10,456 | $2.07M | 0.00% | +2,343+28.9% | Added |
| Marshall Wace, LLP | 10,895 | $2.16M | 0.00% | −266,082−96.1% | Reduced |
| Janney Montgomery Scott LLC | 10,927 | $2.17M | 0.01% | −3,059−21.9% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 11,044 | $2.19M | 0.21% | +9,844+820.3% | Added |
| Campbell & CO Investment Adviser LLC | 11,115 | $2.21M | 0.26% | +9,247+495.0% | Added |
| ABN AMRO Bank N.V. | 11,159 | $2.22M | 0.04% | −5,175−31.7% | Reduced |
| Stifel Financial Corp | 11,930 | $2.37M | 0.00% | +7,770+186.8% | Added |
| Bullseye Asset Management LLC | 12,387 | $2.46M | 1.37% | −800−6.1% | Reduced |
| Putnam Investments LLC | 12,438 | $2.47M | 0.00% | +2,468+24.8% | Added |
| UBS Oconnor LLC | 12,571 | $2.49M | 0.04% | +4,300+52.0% | Added |
| Treasurer of the State of North Carolina | 12,630 | $2.51M | 0.01% | +70+0.6% | Added |
| PEAK6 Investments LLC | 12,806 | $2.54M | 0.12% | +12,806 | New |
| STRS Ohio | 12,968 | $2.57M | 0.01% | −12,670−49.4% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 13,345 | $2.65M | 0.01% | +13,345 | New |
| Royce & Associates LP | 13,488 | $2.68M | 0.03% | −3,000−18.2% | Reduced |
| Janus Henderson Group PLC | 13,623 | $2.70M | 0.00% | +20.0% | Added |
| Aigen Investment Management, LP | 14,193 | $2.82M | 0.53% | +13,073+1,167.2% | Added |
| AQR Capital Management LLC | 14,347 | $2.85M | 0.01% | +8,538+147.0% | Added |
| Nippon Life Global Investors Americas, Inc. | 14,600 | $2.90M | 0.18% | +13,650+1,436.8% | Added |
| Miura Global Management, LLC | 15,000 | $2.98M | 2.04% | +7,000+87.5% | Added |
| Velan Capital Investment Management LP | 15,300 | $3.04M | 2.48% | +15,300 | New |
| Hillsdale Investment Management Inc. | 15,325 | $3.04M | 0.28% | −10−0.1% | Reduced |
| Baird Financial Group, Inc. | 16,552 | $3.28M | 0.01% | +3,514+27.0% | Added |
| Trexquant Investment LP | 16,652 | $3.30M | 0.08% | +12,314+283.9% | Added |
| Evolutionary Tree Capital Management, LLC | 16,669 | $3.31M | 4.27% | +3,671+28.2% | Added |
| State of New Jersey Common Pension Fund D | 16,704 | $3.31M | 0.01% | 00.0% | Unchanged |
| Balyasny Asset Management LLC | 17,123 | $3.40M | 0.01% | +17,123 | New |
| Allianz Asset Management GmbH | 17,663 | $3.51M | 0.01% | −11,998−40.5% | Reduced |
| Baillie Gifford & Co | 17,704 | $3.51M | 0.00% | +9,875+126.1% | Added |
| Kopp Family Office, LLC | 18,112 | $3.59M | 2.27% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 18,125 | $3.60M | 0.01% | −1,121−5.8% | Reduced |
| HSBC Holdings PLC | 18,280 | $3.63M | 0.00% | −1,438−7.3% | Reduced |
| Axiom Investors LLC | 18,772 | $3.73M | 0.05% | −12,068−39.1% | Reduced |
| Osterweis Capital Management Inc | 22,271 | $4.42M | 0.32% | +2,741+14.0% | Added |
| Engineers Gate Manager LP | 23,369 | $4.64M | 0.17% | +2,133+10.0% | Added |
| Granite Investment Partners, LLC | 24,017 | $4.77M | 0.20% | −1,381−5.4% | Reduced |
| Thornburg Investment Management Inc | 25,028 | $4.97M | 0.08% | −30,302−54.8% | Reduced |
| Jacobs Levy Equity Management, Inc | 25,559 | $5.07M | 0.03% | −3,585−12.3% | Reduced |
| ExodusPoint Capital Management, LP | 25,789 | $5.12M | 0.07% | −11,852−31.5% | Reduced |
| New York State Common Retirement Fund | 26,827 | $5.32M | 0.01% | −21,909−45.0% | Reduced |
| Parkman Healthcare Partners LLC | 26,923 | $5.34M | 0.98% | +12,453+86.1% | Added |
| Jane Street Group, LLC | 27,678 | $5.49M | 0.01% | −2,042−6.9% | Reduced |
| Public Employees Retirement System of Ohio | 29,409 | $5.84M | 0.03% | +467+1.6% | Added |
| M&G Investment Management Ltd | 29,795 | $5.90M | 0.04% | +2,583+9.5% | Added |
| DekaBank Deutsche Girozentrale | 29,820 | $5.90M | 0.01% | +16,570+125.1% | Added |
| Wells Fargo & Company | 29,878 | $5.93M | 0.00% | +14,895+99.4% | Added |
| Envestnet Asset Management Inc | 30,062 | $5.97M | 0.00% | +8,711+40.8% | Added |
| UBS Group AG | 30,807 | $6.11M | 0.00% | −3,378−9.9% | Reduced |
| Royal Bank of Canada | 31,062 | $6.16M | 0.00% | −18,538−37.4% | Reduced |
| Oak Ridge Investments LLC | 32,131 | $6.38M | 0.81% | +2,209+7.4% | Added |
| California State Teachers Retirement System | 32,197 | $6.39M | 0.01% | −3,085−8.7% | Reduced |
| State Board of Administration of Florida Retirement System | 32,714 | $6.49M | 0.02% | +730+2.3% | Added |
| Algert Global LLC | 34,715 | $6.89M | 0.32% | +18,975+120.6% | Added |
| Bridgewater Associates, LP | 35,201 | $6.99M | 0.04% | +3,636+11.5% | Added |
| Soleus Capital Management, L.P. | 35,600 | $7.06M | 0.71% | +28,900+431.3% | Added |
| Quantbot Technologies LP | 35,626 | $7.07M | 0.48% | +35,626 | New |
| Point72 Europe (London) LLP | 35,645 | $7.07M | 0.96% | +29,109+445.4% | Added |
| Dimensional Fund Advisors LP | 35,755 | $7.10M | 0.00% | +250+0.7% | Added |
| Voloridge Investment Management, LLC | 36,902 | $7.32M | 0.04% | +19,885+116.9% | Added |
| Assenagon Asset Management S.A. | 36,969 | $7.34M | 0.03% | −55,377−60.0% | Reduced |
| Lazard Asset Management LLC | 37,575 | $7.46M | 0.01% | +3,522+10.3% | Added |
| Arrowstreet Capital, Limited Partnership | 38,738 | $7.69M | 0.01% | +550+1.4% | Added |
| Legal & General Group Plc | 38,777 | $7.69M | 0.00% | −974−2.5% | Reduced |
| Rhumbline Advisers | 39,250 | $7.79M | 0.01% | +64+0.2% | Added |
| Prosight Management, LP | 40,000 | $7.94M | 2.52% | +40,000 | New |
| Canada Pension Plan Investment Board | 40,200 | $7.98M | 0.01% | +9,200+29.7% | Added |
| Pura Vida Investments, LLC | 40,487 | $8.03M | 3.95% | −14,684−26.6% | Reduced |
| Jennison Associates LLC | 40,747 | $8.09M | 0.01% | −51,671−55.9% | Reduced |
| State of Wisconsin Investment Board | 43,565 | $8.65M | 0.03% | +5,248+13.7% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 44,214 | $8.77M | 0.04% | −15,786−26.3% | Reduced |
| Rock Springs Capital Management LP | 44,500 | $8.83M | 0.24% | +44,500 | New |
| Schonfeld Strategic Advisors LLC | 45,200 | $8.97M | 0.08% | +33,697+292.9% | Added |
| Neuberger Berman Group LLC | 47,729 | $9.47M | 0.01% | +566+1.2% | Added |
| Next Century Growth Investors LLC | 47,855 | $9.50M | 1.03% | +14,993+45.6% | Added |
| Citadel Advisors LLC | 49,052 | $9.73M | 0.01% | −270,620−84.7% | Reduced |
| American Century Companies Inc | 50,241 | $9.97M | 0.01% | +45,322+921.4% | Added |
| Capital Fund Management S.A. | 50,307 | $9.98M | 0.13% | +50,307 | New |
| Jump Financial, LLC | 50,708 | $10.1M | 0.37% | +29,937+144.1% | Added |
| Ensign Peak Advisors, Inc | 51,451 | $10.2M | 0.02% | −406−0.8% | Reduced |
| California Public Employees Retirement System | 52,577 | $10.4M | 0.01% | −28−0.1% | Reduced |
| Goldman Sachs Group Inc | 52,636 | $10.4M | 0.00% | −140,139−72.7% | Reduced |
| Los Angeles Capital Management LLC | 55,192 | $11.0M | 0.05% | −32,990−37.4% | Reduced |
| Squarepoint Ops LLC | 56,112 | $11.1M | 0.05% | +56,112 | New |
| Intrinsic Edge Capital Management LLC | 56,371 | $11.2M | 1.38% | +46,455+468.5% | Added |
| Eagle Asset Management Inc | 58,138 | $11.5M | 0.07% | −27,163−31.8% | Reduced |
| Novo Holdings A/S | 60,000 | $11.9M | 0.88% | +27,500+84.6% | Added |
| Thrivent Financial for Lutherans | 60,296 | $12.0M | 0.03% | −104,270−63.4% | Reduced |
| Mairs & Power Inc | 62,511 | $12.4M | 0.15% | +9,896+18.8% | Added |
| Rheos Capital Works Inc. | 63,100 | $12.5M | 0.75% | +43,100+215.5% | Added |
| Swiss National Bank | 64,200 | $12.7M | 0.01% | +700+1.1% | Added |
| Walleye Capital LLC | 67,813 | $13.5M | 0.20% | +67,813 | New |
| Comerica Bank | 69,976 | $13.9M | 0.07% | +69,976 | New |
| Bellevue Group AG | 70,368 | $14.0M | 0.22% | −286,652−80.3% | Reduced |
| Kornitzer Capital Management Inc | 72,150 | $14.3M | 0.30% | −3,925−5.2% | Reduced |