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 |
|---|---|---|---|---|---|
| FMR LLC | 4,437,765 | $953.2M | 0.06% | +1,180,221+36.2% | Added |
| Vanguard Group Inc | 2,892,404 | $621.3M | 0.01% | −39,065−1.3% | Reduced |
| Wellington Management Group LLP | 1,952,658 | $419.4M | 0.07% | +522,392+36.5% | Added |
| BlackRock Inc. | 1,891,019 | $406.2M | 0.01% | +90,812+5.0% | Added |
| Baillie Gifford & Co | 1,467,613 | $315.2M | 0.25% | +237,734+19.3% | Added |
| Wasatch Advisors Inc | 1,102,867 | $236.9M | 1.24% | +5,522+0.5% | Added |
| William Blair Investment Management, LLC | 756,811 | $162.6M | 0.42% | −50,136−6.2% | Reduced |
| Frontier Capital Management Co LLC | 684,740 | $147.1M | 1.37% | −57,306−7.7% | Reduced |
| Champlain Investment Partners, LLC | 641,685 | $137.8M | 0.79% | −6,910−1.1% | Reduced |
| Farallon Capital Management, L.L.C. | 626,854 | $134.6M | 0.79% | −228,242−26.7% | Reduced |
| JPMorgan Chase & Co | 618,150 | $132.8M | 0.01% | −13,731−2.2% | Reduced |
| Bank of New York Mellon Corp | 595,577 | $127.9M | 0.02% | +197,097+49.5% | Added |
| Macquarie Group Ltd | 558,485 | $120.0M | 0.14% | +19,910+3.7% | Added |
| Westfield Capital Management Co LP | 538,294 | $115.6M | 0.61% | −7,325−1.3% | Reduced |
| State Street Corp | 530,200 | $113.9M | 0.01% | −993−0.2% | Reduced |
| Geode Capital Management, LLC | 462,320 | $99.3M | 0.01% | +17,506+3.9% | Added |
| Price T Rowe Associates Inc | 459,766 | $98.8M | 0.01% | +156,893+51.8% | Added |
| Federated Hermes, Inc. | 453,200 | $97.3M | 0.22% | −680.0% | Reduced |
| Ameriprise Financial Inc | 431,443 | $92.7M | 0.03% | −59,827−12.2% | Reduced |
| Eversept Partners, LP | 420,699 | $90.4M | 6.75% | +69,583+19.8% | Added |
| American Century Companies Inc | 338,376 | $72.7M | 0.05% | +335,074+10,147.6% | Added |
| Franklin Resources Inc | 309,929 | $66.6M | 0.02% | −204,083−39.7% | Reduced |
| Artisan Partners Limited Partnership | 301,174 | $64.7M | 0.09% | +301,174 | New |
| Credit Suisse AG | 297,084 | $63.8M | 0.06% | −58,975−16.6% | Reduced |
| Norges Bank | 274,536 | $59.0M | 0.01% | +33,096+13.7% | Added |
| Charles Schwab Investment Management Inc | 268,887 | $57.8M | 0.01% | +4,949+1.9% | Added |
| Point72 Asset Management, L.P. | 262,301 | $56.3M | 0.16% | −210,894−44.6% | Reduced |
| Jennison Associates LLC | 257,854 | $55.4M | 0.04% | −47,032−15.4% | Reduced |
| Gilder Gagnon Howe & Co LLC | 250,723 | $53.9M | 0.67% | −5,237−2.0% | Reduced |
| Voya Investment Management LLC | 225,747 | $48.5M | 0.05% | +63,417+39.1% | Added |
| Fred Alger Management, LLC | 222,560 | $47.8M | 0.24% | −183,347−45.2% | Reduced |
| Bellevue Group AG | 217,694 | $46.8M | 0.71% | +2,094+1.0% | Added |
| Bamco Inc | 210,000 | $45.1M | 0.12% | −1,000−0.5% | Reduced |
| Keybank National Association | 201,669 | $43.3M | 0.18% | +332+0.2% | Added |
| Hood River Capital Management LLC | 189,237 | $40.6M | 0.91% | +32,796+21.0% | Added |
| Allspring Global Investments Holdings, LLC | 166,590 | $35.8M | 0.06% | −53,245−24.2% | Reduced |
| Ensign Peak Advisors, Inc | 163,636 | $35.1M | 0.06% | +92,920+131.4% | Added |
| Northern Trust Corp | 154,384 | $33.2M | 0.01% | −839−0.5% | Reduced |
| Driehaus Capital Management LLC | 142,881 | $30.7M | 0.31% | −59,069−29.2% | Reduced |
| First Light Asset Management, LLC | 139,951 | $30.1M | 2.30% | +51,428+58.1% | Added |
| Morgan Stanley | 136,571 | $29.3M | 0.00% | −36,992−21.3% | Reduced |
| Nuveen Asset Management, LLC | 134,951 | $29.0M | 0.01% | +36,458+37.0% | Added |
| Rock Springs Capital Management LP | 130,500 | $28.0M | 0.71% | +31,500+31.8% | Added |
| Degroof Petercam Asset Management | 130,000 | $27.9M | 0.34% | +20,000+18.2% | Added |
| Atika Capital Management LLC | 129,735 | $27.9M | 3.13% | +8,135+6.7% | Added |
| Eventide Asset Management, LLC | 125,090 | $26.9M | 0.42% | 00.0% | Unchanged |
| Adage Capital Partners GP, L.L.C. | 125,000 | $26.8M | 0.05% | −84,916−40.5% | Reduced |
| Eagle Health Investments LP | 122,203 | $26.2M | 5.00% | +8,700+7.7% | Added |
| Bank of America Corp | 120,566 | $25.9M | 0.00% | +51,312+74.1% | Added |
| Renaissance Technologies LLC | 109,600 | $23.5M | 0.04% | −4,000−3.5% | Reduced |
| Thrivent Financial for Lutherans | 105,040 | $22.6M | 0.05% | −3,882−3.6% | Reduced |
| Victory Capital Management Inc | 104,971 | $22.5M | 0.02% | −37,850−26.5% | Reduced |
| Goldman Sachs Group Inc | 102,721 | $22.1M | 0.00% | +67,701+193.3% | Added |
| Susquehanna Portfolio Strategies, LLC | 101,600 | $21.8M | 0.51% | 00.0% | Unchanged |
| Braidwell LP | 101,492 | $21.8M | 0.70% | −83,166−45.0% | Reduced |
| Mitsubishi UFJ Trust & Banking Corp | 100,880 | $21.7M | 0.05% | −9,080−8.3% | Reduced |
| Amundi | 84,597 | $20.4M | 0.01% | +26,858+46.5% | Added |
| SEI Investments Co | 93,666 | $20.1M | 0.03% | +8,301+9.7% | Added |
| Citadel Advisors LLC | 92,991 | $20.0M | 0.02% | +88,706+2,070.2% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 92,419 | $19.9M | 0.09% | +13,949+17.8% | Added |
| AQR Capital Management LLC | 91,755 | $19.7M | 0.03% | +28,312+44.6% | Added |
| Parkman Healthcare Partners LLC | 81,183 | $17.4M | 2.14% | −22,563−21.7% | Reduced |
| ExodusPoint Capital Management, LP | 79,488 | $17.1M | 0.21% | −9,276−10.5% | Reduced |
| Rheos Capital Works Inc. | 79,400 | $17.1M | 0.82% | +16,300+25.8% | Added |
| Comerica Bank | 79,030 | $17.0M | 0.07% | +8,454+12.0% | Added |
| Brown Capital Management LLC | 78,399 | $16.8M | 0.30% | +78,399 | New |
| Balyasny Asset Management LLC | 76,975 | $16.5M | 0.04% | −23,852−23.7% | Reduced |
| Kornitzer Capital Management Inc | 70,900 | $15.2M | 0.28% | −1,250−1.7% | Reduced |
| New York State Common Retirement Fund | 70,217 | $15.1M | 0.02% | +48,317+220.6% | Added |
| Novo Holdings A/S | 65,524 | $14.1M | 0.97% | 00.0% | Unchanged |
| Nomura Asset Management Co Ltd | 64,868 | $13.9M | 0.05% | +4,681+7.8% | Added |
| Lazard Asset Management LLC | 63,196 | $13.6M | 0.02% | +29,039+85.0% | Added |
| Schonfeld Strategic Advisors LLC | 63,125 | $13.6M | 0.11% | −44,217−41.2% | Reduced |
| Neuberger Berman Group LLC | 62,576 | $13.4M | 0.01% | +11,719+23.0% | Added |
| Canada Pension Plan Investment Board | 61,600 | $13.2M | 0.01% | −8,400−12.0% | Reduced |
| Dimensional Fund Advisors LP | 60,970 | $13.1M | 0.00% | +38,287+168.8% | Added |
| Mairs & Power Inc | 59,188 | $12.7M | 0.12% | −5,421−8.4% | Reduced |
| Swiss National Bank | 58,300 | $12.5M | 0.01% | +500+0.9% | Added |
| State of Wisconsin Investment Board | 55,632 | $11.9M | 0.03% | −6,826−10.9% | Reduced |
| Stanley-Laman Group, Ltd. | 50,412 | $10.8M | 1.52% | −639−1.3% | Reduced |
| UBS Asset Management Americas Inc | 47,109 | $10.1M | 0.00% | −55,847−54.2% | Reduced |
| Standard Life Aberdeen plc | 45,961 | $9.87M | 0.02% | 00.0% | Unchanged |
| Capital Fund Management S.A. | 45,443 | $9.76M | 0.12% | +3,927+9.5% | Added |
| Rhenman & Partners Asset Management AB | 42,000 | $9.02M | 0.86% | +24,000+133.3% | 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 |
| Teachers Retirement System of the State of Kentucky | 40,501 | $8.70M | 0.08% | +8,625+27.1% | Added |
| Man Group plc | 40,364 | $8.67M | 0.02% | −106−0.3% | Reduced |
| California Public Employees Retirement System | 40,337 | $8.66M | 0.01% | 00.0% | Unchanged |
| Invesco Ltd. | 39,418 | $8.47M | 0.00% | +2,249+6.1% | Added |
| HSBC Holdings PLC | 37,306 | $8.02M | 0.01% | +16,121+76.1% | Added |
| Rhumbline Advisers | 35,557 | $7.64M | 0.01% | −3,224−8.3% | Reduced |
| Intrinsic Edge Capital Management LLC | 33,938 | $7.29M | 0.62% | −148,908−81.4% | Reduced |
| LMCG Investments, LLC | 33,892 | $7.28M | 0.43% | +33,892 | New |
| Armistice Capital, LLC | 33,754 | $7.25M | 0.19% | −2,768−7.6% | Reduced |
| Osterweis Capital Management Inc | 33,686 | $7.24M | 0.42% | +4,709+16.3% | Added |
| PFM Health Sciences, LP | 33,557 | $7.21M | 0.36% | +33,557 | New |
| Integral Health Asset Management, LLC | 33,000 | $7.09M | 0.70% | −27,000−45.0% | Reduced |
| Next Century Growth Investors LLC | 32,457 | $6.97M | 0.61% | +1,121+3.6% | Added |
| UBS Group AG | 32,187 | $6.91M | 0.00% | −986−3.0% | Reduced |