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 |
|---|---|---|---|---|---|
| Vanguard Group Inc | 3,012,396 | $597.8M | 0.01% | −1,4530.0% | Reduced |
| FMR LLC | 2,471,464 | $490.4M | 0.04% | +1,397,510+130.1% | Added |
| BlackRock Inc. | 1,895,385 | $376.1M | 0.01% | +77,802+4.3% | Added |
| Wasatch Advisors Inc | 977,607 | $194.0M | 1.23% | +481,320+97.0% | Added |
| Wellington Management Group LLP | 976,972 | $193.9M | 0.04% | +411,480+72.8% | Added |
| Point72 Asset Management, L.P. | 883,362 | $175.3M | 0.60% | +653,742+284.7% | Added |
| Franklin Resources Inc | 789,535 | $156.7M | 0.08% | −255,761−24.5% | Reduced |
| Westfield Capital Management Co LP | 732,400 | $145.3M | 0.99% | +168,733+29.9% | Added |
| William Blair Investment Management, LLC | 694,145 | $137.7M | 0.46% | −142,017−17.0% | Reduced |
| Macquarie Group Ltd | 603,606 | $119.8M | 0.15% | +32,279+5.6% | Added |
| 1832 Asset Management L.P. | 562,400 | $111.6M | 0.23% | +229,500+68.9% | Added |
| State Street Corp | 524,504 | $104.1M | 0.01% | +9,812+1.9% | Added |
| Federated Hermes, Inc. | 496,400 | $98.5M | 0.26% | +119,846+31.8% | Added |
| Champlain Investment Partners, LLC | 469,545 | $93.2M | 0.60% | −96,570−17.1% | Reduced |
| Gilder Gagnon Howe & Co LLC | 463,094 | $91.9M | 1.40% | −32,959−6.6% | Reduced |
| Farallon Capital Management, L.L.C. | 426,096 | $84.6M | 0.48% | +103,000+31.9% | Added |
| Geode Capital Management, LLC | 424,300 | $84.2M | 0.01% | +10,725+2.6% | Added |
| Fred Alger Management, LLC | 405,462 | $80.5M | 0.46% | −61,916−13.2% | Reduced |
| Bank of New York Mellon Corp | 373,794 | $74.2M | 0.02% | +128,078+52.1% | Added |
| Summit Partners Public Asset Management, LLC | 368,526 | $73.1M | 4.62% | +86,458+30.7% | Added |
| Frontier Capital Management Co LLC | 361,684 | $71.8M | 0.79% | −45,195−11.1% | Reduced |
| Credit Suisse AG | 348,300 | $69.1M | 0.07% | +67,515+24.0% | Added |
| Ameriprise Financial Inc | 333,491 | $66.2M | 0.02% | −797−0.2% | Reduced |
| Millennium Management LLC | 319,703 | $63.4M | 0.07% | +55,263+20.9% | Added |
| Renaissance Technologies LLC | 315,400 | $62.6M | 0.11% | +58,300+22.7% | Added |
| Price T Rowe Associates Inc | 260,313 | $51.7M | 0.01% | −56,807−17.9% | Reduced |
| Charles Schwab Investment Management Inc | 256,222 | $50.8M | 0.01% | +7,838+3.2% | Added |
| Voya Investment Management LLC | 253,895 | $50.4M | 0.06% | −24,115−8.7% | Reduced |
| Norges Bank | 244,949 | $48.6M | 0.01% | +7,349+3.1% | Added |
| Bamco Inc | 244,736 | $48.6M | 0.14% | 00.0% | Unchanged |
| Allspring Global Investments Holdings, LLC | 231,695 | $46.0M | 0.08% | −124,923−35.0% | Reduced |
| Loomis Sayles & Co L P | 199,969 | $39.7M | 0.07% | −51,824−20.6% | Reduced |
| Eversept Partners, LP | 193,018 | $38.3M | 4.25% | +110,573+134.1% | Added |
| Invesco Ltd. | 187,784 | $37.3M | 0.01% | −892,448−82.6% | Reduced |
| Victory Capital Management Inc | 165,171 | $32.8M | 0.04% | +53,293+47.6% | Added |
| D. E. Shaw & Co., Inc. | 164,702 | $32.7M | 0.05% | −254,631−60.7% | Reduced |
| Keybank National Association | 160,643 | $31.9M | 0.15% | −630−0.4% | Reduced |
| Driehaus Capital Management LLC | 159,133 | $31.6M | 0.41% | −194,316−55.0% | Reduced |
| Man Group plc | – | $31.5M | 0.10% | – | – |
| Northern Trust Corp | 149,275 | $29.6M | 0.01% | +3,501+2.4% | Added |
| Cubist Systematic Strategies, LLC | 140,754 | $27.9M | 0.34% | +85,910+156.6% | Added |
| Atika Capital Management LLC | 140,165 | $27.8M | 3.96% | 00.0% | Unchanged |
| Hood River Capital Management LLC | 139,113 | $27.6M | 0.89% | +139,113 | New |
| Nuveen Asset Management, LLC | 126,934 | $25.2M | 0.01% | +18,846+17.4% | Added |
| Quadrature Capital Ltd | 125,202 | $24.8M | 0.51% | +62,516+99.7% | Added |
| Eventide Asset Management, LLC | 125,090 | $24.8M | 0.45% | +16,870+15.6% | Added |
| Morgan Stanley | 124,747 | $24.8M | 0.00% | −65,661−34.5% | Reduced |
| Qube Research & Technologies Ltd | 111,442 | $22.1M | 0.07% | +107,581+2,786.4% | Added |
| First Trust Advisors LP | 108,247 | $21.5M | 0.03% | +102,701+1,851.8% | Added |
| Susquehanna International Group, LLP | 105,727 | $21.0M | 0.03% | −81,763−43.6% | Reduced |
| Integral Health Asset Management, LLC | 105,000 | $20.8M | 2.96% | +2,000+1.9% | Added |
| UBS Asset Management Americas Inc | 103,290 | $20.5M | 0.01% | +14,775+16.7% | Added |
| Adage Capital Partners GP, L.L.C. | 102,936 | $20.4M | 0.05% | −51,425−33.3% | Reduced |
| Lord, Abbett & Co. LLC | 102,164 | $20.3M | 0.08% | −348,375−77.3% | Reduced |
| Braidwell LP | 100,300 | $19.9M | 0.63% | +100,300 | New |
| JPMorgan Chase & Co | 99,528 | $19.8M | 0.00% | −56,633−36.3% | Reduced |
| Amundi | 123,230 | $18.5M | 0.01% | −50,735−29.2% | Reduced |
| Eagle Health Investments LP | 93,243 | $18.5M | 4.08% | +20,400+28.0% | Added |
| Employees Retirement System of Texas | 91,000 | $18.1M | 0.27% | +8,000+9.6% | Added |
| Bank of America Corp | 87,682 | $17.4M | 0.00% | +2,902+3.4% | Added |
| Principal Financial Group Inc | 83,583 | $16.6M | 0.01% | −39,622−32.2% | Reduced |
| SEI Investments Co | 80,768 | $16.0M | 0.03% | −6,300−7.2% | Reduced |
| Barclays PLC | 79,936 | $15.9M | 0.01% | +39,988+100.1% | Added |
| BNP Paribas Arbitrage, SA | 77,970 | $15.5M | 0.03% | +7,522+10.7% | Added |
| Mitsubishi UFJ Trust & Banking Corp | 72,570 | $14.4M | 0.04% | +44,830+161.6% | Added |
| Kornitzer Capital Management Inc | 72,150 | $14.3M | 0.30% | −3,925−5.2% | Reduced |
| Bellevue Group AG | 70,368 | $14.0M | 0.22% | −286,652−80.3% | Reduced |
| Comerica Bank | 69,976 | $13.9M | 0.07% | +69,976 | New |
| Walleye Capital LLC | 67,813 | $13.5M | 0.20% | +67,813 | New |
| Swiss National Bank | 64,200 | $12.7M | 0.01% | +700+1.1% | Added |
| Rheos Capital Works Inc. | 63,100 | $12.5M | 0.75% | +43,100+215.5% | Added |
| Mairs & Power Inc | 62,511 | $12.4M | 0.15% | +9,896+18.8% | Added |
| Thrivent Financial for Lutherans | 60,296 | $12.0M | 0.03% | −104,270−63.4% | Reduced |
| Novo Holdings A/S | 60,000 | $11.9M | 0.88% | +27,500+84.6% | Added |
| Eagle Asset Management Inc | 58,138 | $11.5M | 0.07% | −27,163−31.8% | Reduced |
| Intrinsic Edge Capital Management LLC | 56,371 | $11.2M | 1.38% | +46,455+468.5% | Added |
| Squarepoint Ops LLC | 56,112 | $11.1M | 0.05% | +56,112 | New |
| Los Angeles Capital Management LLC | 55,192 | $11.0M | 0.05% | −32,990−37.4% | Reduced |
| Goldman Sachs Group Inc | 52,636 | $10.4M | 0.00% | −140,139−72.7% | Reduced |
| California Public Employees Retirement System | 52,577 | $10.4M | 0.01% | −28−0.1% | Reduced |
| Ensign Peak Advisors, Inc | 51,451 | $10.2M | 0.02% | −406−0.8% | Reduced |
| Jump Financial, LLC | 50,708 | $10.1M | 0.37% | +29,937+144.1% | Added |
| Capital Fund Management S.A. | 50,307 | $9.98M | 0.13% | +50,307 | New |
| American Century Companies Inc | 50,241 | $9.97M | 0.01% | +45,322+921.4% | Added |
| Citadel Advisors LLC | 49,052 | $9.73M | 0.01% | −270,620−84.7% | Reduced |
| Next Century Growth Investors LLC | 47,855 | $9.50M | 1.03% | +14,993+45.6% | Added |
| Neuberger Berman Group LLC | 47,729 | $9.47M | 0.01% | +566+1.2% | Added |
| Schonfeld Strategic Advisors LLC | 45,200 | $8.97M | 0.08% | +33,697+292.9% | Added |
| Rock Springs Capital Management LP | 44,500 | $8.83M | 0.24% | +44,500 | New |
| Healthcare of Ontario Pension Plan Trust Fund | 44,214 | $8.77M | 0.04% | −15,786−26.3% | Reduced |
| State of Wisconsin Investment Board | 43,565 | $8.65M | 0.03% | +5,248+13.7% | Added |
| Jennison Associates LLC | 40,747 | $8.09M | 0.01% | −51,671−55.9% | Reduced |
| Pura Vida Investments, LLC | 40,487 | $8.03M | 3.95% | −14,684−26.6% | Reduced |
| Canada Pension Plan Investment Board | 40,200 | $7.98M | 0.01% | +9,200+29.7% | Added |
| Prosight Management, LP | 40,000 | $7.94M | 2.52% | +40,000 | New |
| Rhumbline Advisers | 39,250 | $7.79M | 0.01% | +64+0.2% | Added |
| Legal & General Group Plc | 38,777 | $7.69M | 0.00% | −974−2.5% | Reduced |
| Arrowstreet Capital, Limited Partnership | 38,738 | $7.69M | 0.01% | +550+1.4% | Added |
| Lazard Asset Management LLC | 37,575 | $7.46M | 0.01% | +3,522+10.3% | Added |
| Assenagon Asset Management S.A. | 36,969 | $7.34M | 0.03% | −55,377−60.0% | Reduced |