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, Q1 2024
Institutional positions in Inspire Medical Systems, Inc. as of Mar 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
- 327
- −12 vs. Q4 2023
- Shares held
- 31.8M
- +805.4K (+2.6%) vs. Q4 2023
- Total value
- $6.83B
- +$529.0M (+8.4%) vs. Q4 2023
- New holders
- 43
- 123 more added
- Sold out
- 55
- 109 more reduced
4 institutions that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2024
Shares, value and share of portfolio for each institution holding Inspire Medical Systems, Inc.; share changes are against Q4 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Gilliland Jeter Wealth Management LLC | 15,383 | $3.30M | 1.15% | −1,180−7.1% | Reduced |
| Lisanti Capital Growth, LLC | 15,530 | $3.34M | 0.81% | +4,050+35.3% | Added |
| Congress Asset Management Co | 15,973 | $3.43M | 0.02% | −1,219−7.1% | Reduced |
| Algert Global LLC | 16,050 | $3.45M | 0.13% | −2,270−12.4% | Reduced |
| Twin Tree Management, LP | 17,632 | $3.79M | 0.09% | +17,632 | New |
| State of New Jersey Common Pension Fund D | 17,791 | $3.82M | 0.01% | 00.0% | Unchanged |
| Velan Capital Investment Management LP | 18,000 | $3.87M | 2.09% | 00.0% | Unchanged |
| Baird Financial Group, Inc. | 19,416 | $4.17M | 0.01% | −5,273−21.4% | Reduced |
| Barclays PLC | 19,999 | $4.30M | 0.00% | −54,192−73.0% | Reduced |
| British Columbia Investment Management Corp | 20,000 | $4.30M | 0.03% | +20,000 | New |
| Whetstone Capital Advisors, LLC | 20,526 | $4.41M | 1.93% | +17+0.1% | Added |
| Jacobs Levy Equity Management, Inc | 21,018 | $4.51M | 0.02% | +21,018 | New |
| Manufacturers Life Insurance Company, The | 21,101 | $4.53M | 0.00% | +10,191+93.4% | Added |
| Wells Fargo & Company | 21,855 | $4.69M | 0.00% | −5,174−19.1% | Reduced |
| Tri Locum Partners LP | 23,566 | $5.06M | 1.76% | +23,566 | New |
| Thornburg Investment Management Inc | 25,808 | $5.54M | 0.08% | +947+3.8% | Added |
| Bullseye Asset Management LLC | 27,199 | $5.84M | 2.74% | 00.0% | Unchanged |
| Sivik Global Healthcare LLC | 27,500 | $5.91M | 2.15% | 00.0% | Unchanged |
| Nippon Life Global Investors Americas, Inc. | 28,590 | $6.14M | 0.29% | +13,990+95.8% | Added |
| Public Employees Retirement System of Ohio | 28,875 | $6.20M | 0.02% | −3,715−11.4% | Reduced |
| California State Teachers Retirement System | 29,518 | $6.34M | 0.01% | −1,388−4.5% | Reduced |
| Legal & General Group Plc | 29,730 | $6.39M | 0.00% | +991+3.4% | Added |
| Envestnet Asset Management Inc | 31,199 | $6.70M | 0.00% | +4,309+16.0% | Added |
| Oak Ridge Investments LLC | 31,359 | $6.74M | 0.68% | +60+0.2% | Added |
| TD Asset Management Inc | 31,388 | $6.74M | 0.01% | +21,788+227.0% | Added |
| D. E. Shaw & Co., Inc. | 31,488 | $6.76M | 0.01% | −153,460−83.0% | Reduced |
| Russell Investments Group, Ltd. | 31,933 | $6.86M | 0.01% | +15,877+98.9% | Added |
| UBS Group AG | 32,187 | $6.91M | 0.00% | −986−3.0% | Reduced |
| Next Century Growth Investors LLC | 32,457 | $6.97M | 0.61% | +1,121+3.6% | Added |
| Integral Health Asset Management, LLC | 33,000 | $7.09M | 0.70% | −27,000−45.0% | Reduced |
| PFM Health Sciences, LP | 33,557 | $7.21M | 0.36% | +33,557 | New |
| Osterweis Capital Management Inc | 33,686 | $7.24M | 0.42% | +4,709+16.3% | Added |
| Armistice Capital, LLC | 33,754 | $7.25M | 0.19% | −2,768−7.6% | Reduced |
| LMCG Investments, LLC | 33,892 | $7.28M | 0.43% | +33,892 | New |
| Intrinsic Edge Capital Management LLC | 33,938 | $7.29M | 0.62% | −148,908−81.4% | Reduced |
| Rhumbline Advisers | 35,557 | $7.64M | 0.01% | −3,224−8.3% | Reduced |
| HSBC Holdings PLC | 37,306 | $8.02M | 0.01% | +16,121+76.1% | Added |
| Invesco Ltd. | 39,418 | $8.47M | 0.00% | +2,249+6.1% | Added |
| California Public Employees Retirement System | 40,337 | $8.66M | 0.01% | 00.0% | Unchanged |
| Man Group plc | 40,364 | $8.67M | 0.02% | −106−0.3% | Reduced |
| Teachers Retirement System of the State of Kentucky | 40,501 | $8.70M | 0.08% | +8,625+27.1% | Added |
| Kopp Family Office, LLC | 41,054 | $8.82M | 5.04% | +7,829+23.6% | Added |
| Kopp LeRoy C | 41,054 | $8.82M | 5.04% | +41,054 | New |
| Rhenman & Partners Asset Management AB | 42,000 | $9.02M | 0.86% | +24,000+133.3% | Added |
| Capital Fund Management S.A. | 45,443 | $9.76M | 0.12% | +3,927+9.5% | Added |
| Standard Life Aberdeen plc | 45,961 | $9.87M | 0.02% | 00.0% | Unchanged |
| UBS Asset Management Americas Inc | 47,109 | $10.1M | 0.00% | −55,847−54.2% | Reduced |
| Stanley-Laman Group, Ltd. | 50,412 | $10.8M | 1.52% | −639−1.3% | Reduced |
| State of Wisconsin Investment Board | 55,632 | $11.9M | 0.03% | −6,826−10.9% | Reduced |
| Swiss National Bank | 58,300 | $12.5M | 0.01% | +500+0.9% | Added |
| Mairs & Power Inc | 59,188 | $12.7M | 0.12% | −5,421−8.4% | Reduced |
| Dimensional Fund Advisors LP | 60,970 | $13.1M | 0.00% | +38,287+168.8% | Added |
| Canada Pension Plan Investment Board | 61,600 | $13.2M | 0.01% | −8,400−12.0% | Reduced |
| Neuberger Berman Group LLC | 62,576 | $13.4M | 0.01% | +11,719+23.0% | Added |
| Schonfeld Strategic Advisors LLC | 63,125 | $13.6M | 0.11% | −44,217−41.2% | Reduced |
| Lazard Asset Management LLC | 63,196 | $13.6M | 0.02% | +29,039+85.0% | Added |
| Nomura Asset Management Co Ltd | 64,868 | $13.9M | 0.05% | +4,681+7.8% | Added |
| Novo Holdings A/S | 65,524 | $14.1M | 0.97% | 00.0% | Unchanged |
| New York State Common Retirement Fund | 70,217 | $15.1M | 0.02% | +48,317+220.6% | Added |
| Kornitzer Capital Management Inc | 70,900 | $15.2M | 0.28% | −1,250−1.7% | Reduced |
| Balyasny Asset Management LLC | 76,975 | $16.5M | 0.04% | −23,852−23.7% | Reduced |
| Brown Capital Management LLC | 78,399 | $16.8M | 0.30% | +78,399 | New |
| Comerica Bank | 79,030 | $17.0M | 0.07% | +8,454+12.0% | Added |
| Rheos Capital Works Inc. | 79,400 | $17.1M | 0.82% | +16,300+25.8% | Added |
| ExodusPoint Capital Management, LP | 79,488 | $17.1M | 0.21% | −9,276−10.5% | Reduced |
| Parkman Healthcare Partners LLC | 81,183 | $17.4M | 2.14% | −22,563−21.7% | Reduced |
| AQR Capital Management LLC | 91,755 | $19.7M | 0.03% | +28,312+44.6% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 92,419 | $19.9M | 0.09% | +13,949+17.8% | Added |
| Citadel Advisors LLC | 92,991 | $20.0M | 0.02% | +88,706+2,070.2% | Added |
| SEI Investments Co | 93,666 | $20.1M | 0.03% | +8,301+9.7% | Added |
| Amundi | 84,597 | $20.4M | 0.01% | +26,858+46.5% | Added |
| Mitsubishi UFJ Trust & Banking Corp | 100,880 | $21.7M | 0.05% | −9,080−8.3% | Reduced |
| Braidwell LP | 101,492 | $21.8M | 0.70% | −83,166−45.0% | Reduced |
| Susquehanna Portfolio Strategies, LLC | 101,600 | $21.8M | 0.51% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 102,721 | $22.1M | 0.00% | +67,701+193.3% | Added |
| Victory Capital Management Inc | 104,971 | $22.5M | 0.02% | −37,850−26.5% | Reduced |
| Thrivent Financial for Lutherans | 105,040 | $22.6M | 0.05% | −3,882−3.6% | Reduced |
| Renaissance Technologies LLC | 109,600 | $23.5M | 0.04% | −4,000−3.5% | Reduced |
| Bank of America Corp | 120,566 | $25.9M | 0.00% | +51,312+74.1% | Added |
| Eagle Health Investments LP | 122,203 | $26.2M | 5.00% | +8,700+7.7% | Added |
| Adage Capital Partners GP, L.L.C. | 125,000 | $26.8M | 0.05% | −84,916−40.5% | Reduced |
| Eventide Asset Management, LLC | 125,090 | $26.9M | 0.42% | 00.0% | Unchanged |
| Atika Capital Management LLC | 129,735 | $27.9M | 3.13% | +8,135+6.7% | Added |
| Degroof Petercam Asset Management | 130,000 | $27.9M | 0.34% | +20,000+18.2% | Added |
| Rock Springs Capital Management LP | 130,500 | $28.0M | 0.71% | +31,500+31.8% | Added |
| Nuveen Asset Management, LLC | 134,951 | $29.0M | 0.01% | +36,458+37.0% | Added |
| Morgan Stanley | 136,571 | $29.3M | 0.00% | −36,992−21.3% | Reduced |
| First Light Asset Management, LLC | 139,951 | $30.1M | 2.30% | +51,428+58.1% | Added |
| Driehaus Capital Management LLC | 142,881 | $30.7M | 0.31% | −59,069−29.2% | Reduced |
| Northern Trust Corp | 154,384 | $33.2M | 0.01% | −839−0.5% | Reduced |
| Ensign Peak Advisors, Inc | 163,636 | $35.1M | 0.06% | +92,920+131.4% | Added |
| Allspring Global Investments Holdings, LLC | 166,590 | $35.8M | 0.06% | −53,245−24.2% | Reduced |
| Hood River Capital Management LLC | 189,237 | $40.6M | 0.91% | +32,796+21.0% | Added |
| Keybank National Association | 201,669 | $43.3M | 0.18% | +332+0.2% | Added |
| Bamco Inc | 210,000 | $45.1M | 0.12% | −1,000−0.5% | Reduced |
| Bellevue Group AG | 217,694 | $46.8M | 0.71% | +2,094+1.0% | Added |
| Fred Alger Management, LLC | 222,560 | $47.8M | 0.24% | −183,347−45.2% | Reduced |
| Voya Investment Management LLC | 225,747 | $48.5M | 0.05% | +63,417+39.1% | Added |
| Gilder Gagnon Howe & Co LLC | 250,723 | $53.9M | 0.67% | −5,237−2.0% | Reduced |
| Jennison Associates LLC | 257,854 | $55.4M | 0.04% | −47,032−15.4% | Reduced |