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 |
|---|---|---|---|---|---|
| Mitsubishi UFJ Trust & Banking Corp | 72,570 | $14.4M | 0.04% | +44,830+161.6% | Added |
| BNP Paribas Arbitrage, SA | 77,970 | $15.5M | 0.03% | +7,522+10.7% | Added |
| Barclays PLC | 79,936 | $15.9M | 0.01% | +39,988+100.1% | Added |
| SEI Investments Co | 80,768 | $16.0M | 0.03% | −6,300−7.2% | Reduced |
| Principal Financial Group Inc | 83,583 | $16.6M | 0.01% | −39,622−32.2% | Reduced |
| Bank of America Corp | 87,682 | $17.4M | 0.00% | +2,902+3.4% | Added |
| Employees Retirement System of Texas | 91,000 | $18.1M | 0.27% | +8,000+9.6% | Added |
| Eagle Health Investments LP | 93,243 | $18.5M | 4.08% | +20,400+28.0% | Added |
| Amundi | 123,230 | $18.5M | 0.01% | −50,735−29.2% | Reduced |
| JPMorgan Chase & Co | 99,528 | $19.8M | 0.00% | −56,633−36.3% | Reduced |
| Braidwell LP | 100,300 | $19.9M | 0.63% | +100,300 | New |
| Lord, Abbett & Co. LLC | 102,164 | $20.3M | 0.08% | −348,375−77.3% | Reduced |
| Adage Capital Partners GP, L.L.C. | 102,936 | $20.4M | 0.05% | −51,425−33.3% | Reduced |
| UBS Asset Management Americas Inc | 103,290 | $20.5M | 0.01% | +14,775+16.7% | Added |
| Integral Health Asset Management, LLC | 105,000 | $20.8M | 2.96% | +2,000+1.9% | Added |
| Susquehanna International Group, LLP | 105,727 | $21.0M | 0.03% | −81,763−43.6% | Reduced |
| First Trust Advisors LP | 108,247 | $21.5M | 0.03% | +102,701+1,851.8% | Added |
| Qube Research & Technologies Ltd | 111,442 | $22.1M | 0.07% | +107,581+2,786.4% | Added |
| Morgan Stanley | 124,747 | $24.8M | 0.00% | −65,661−34.5% | Reduced |
| Eventide Asset Management, LLC | 125,090 | $24.8M | 0.45% | +16,870+15.6% | Added |
| Quadrature Capital Ltd | 125,202 | $24.8M | 0.51% | +62,516+99.7% | Added |
| Nuveen Asset Management, LLC | 126,934 | $25.2M | 0.01% | +18,846+17.4% | Added |
| Hood River Capital Management LLC | 139,113 | $27.6M | 0.89% | +139,113 | New |
| Atika Capital Management LLC | 140,165 | $27.8M | 3.96% | 00.0% | Unchanged |
| Cubist Systematic Strategies, LLC | 140,754 | $27.9M | 0.34% | +85,910+156.6% | Added |
| Northern Trust Corp | 149,275 | $29.6M | 0.01% | +3,501+2.4% | Added |
| Man Group plc | – | $31.5M | 0.10% | – | – |
| Driehaus Capital Management LLC | 159,133 | $31.6M | 0.41% | −194,316−55.0% | Reduced |
| Keybank National Association | 160,643 | $31.9M | 0.15% | −630−0.4% | Reduced |
| D. E. Shaw & Co., Inc. | 164,702 | $32.7M | 0.05% | −254,631−60.7% | Reduced |
| Victory Capital Management Inc | 165,171 | $32.8M | 0.04% | +53,293+47.6% | Added |
| Invesco Ltd. | 187,784 | $37.3M | 0.01% | −892,448−82.6% | Reduced |
| Eversept Partners, LP | 193,018 | $38.3M | 4.25% | +110,573+134.1% | Added |
| Loomis Sayles & Co L P | 199,969 | $39.7M | 0.07% | −51,824−20.6% | Reduced |
| Allspring Global Investments Holdings, LLC | 231,695 | $46.0M | 0.08% | −124,923−35.0% | Reduced |
| Bamco Inc | 244,736 | $48.6M | 0.14% | 00.0% | Unchanged |
| Norges Bank | 244,949 | $48.6M | 0.01% | +7,349+3.1% | Added |
| Voya Investment Management LLC | 253,895 | $50.4M | 0.06% | −24,115−8.7% | Reduced |
| Charles Schwab Investment Management Inc | 256,222 | $50.8M | 0.01% | +7,838+3.2% | Added |
| Price T Rowe Associates Inc | 260,313 | $51.7M | 0.01% | −56,807−17.9% | Reduced |
| Renaissance Technologies LLC | 315,400 | $62.6M | 0.11% | +58,300+22.7% | Added |
| Millennium Management LLC | 319,703 | $63.4M | 0.07% | +55,263+20.9% | Added |
| Ameriprise Financial Inc | 333,491 | $66.2M | 0.02% | −797−0.2% | Reduced |
| Credit Suisse AG | 348,300 | $69.1M | 0.07% | +67,515+24.0% | Added |
| Frontier Capital Management Co LLC | 361,684 | $71.8M | 0.79% | −45,195−11.1% | Reduced |
| Summit Partners Public Asset Management, LLC | 368,526 | $73.1M | 4.62% | +86,458+30.7% | Added |
| Bank of New York Mellon Corp | 373,794 | $74.2M | 0.02% | +128,078+52.1% | Added |
| Fred Alger Management, LLC | 405,462 | $80.5M | 0.46% | −61,916−13.2% | Reduced |
| Geode Capital Management, LLC | 424,300 | $84.2M | 0.01% | +10,725+2.6% | Added |
| Farallon Capital Management, L.L.C. | 426,096 | $84.6M | 0.48% | +103,000+31.9% | Added |
| Gilder Gagnon Howe & Co LLC | 463,094 | $91.9M | 1.40% | −32,959−6.6% | Reduced |
| Champlain Investment Partners, LLC | 469,545 | $93.2M | 0.60% | −96,570−17.1% | Reduced |
| Federated Hermes, Inc. | 496,400 | $98.5M | 0.26% | +119,846+31.8% | Added |
| State Street Corp | 524,504 | $104.1M | 0.01% | +9,812+1.9% | Added |
| 1832 Asset Management L.P. | 562,400 | $111.6M | 0.23% | +229,500+68.9% | Added |
| Macquarie Group Ltd | 603,606 | $119.8M | 0.15% | +32,279+5.6% | Added |
| William Blair Investment Management, LLC | 694,145 | $137.7M | 0.46% | −142,017−17.0% | Reduced |
| Westfield Capital Management Co LP | 732,400 | $145.3M | 0.99% | +168,733+29.9% | Added |
| Franklin Resources Inc | 789,535 | $156.7M | 0.08% | −255,761−24.5% | Reduced |
| Point72 Asset Management, L.P. | 883,362 | $175.3M | 0.60% | +653,742+284.7% | Added |
| Wellington Management Group LLP | 976,972 | $193.9M | 0.04% | +411,480+72.8% | Added |
| Wasatch Advisors Inc | 977,607 | $194.0M | 1.23% | +481,320+97.0% | Added |
| BlackRock Inc. | 1,895,385 | $376.1M | 0.01% | +77,802+4.3% | Added |
| FMR LLC | 2,471,464 | $490.4M | 0.04% | +1,397,510+130.1% | Added |
| Vanguard Group Inc | 3,012,396 | $597.8M | 0.01% | −1,4530.0% | Reduced |
| Nicholas Investment Partners, LP | 0 | $0 | 0.00% | −115,187−100.0% | Sold out |
| Artisan Partners Limited Partnership | 0 | $0 | 0.00% | −111,754−100.0% | Sold out |
| TimesSquare Capital Management, LLC | 0 | $0 | 0.00% | −102,300−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −83,636−100.0% | Sold out |
| Iron Triangle Partners LP | 0 | $0 | 0.00% | −70,000−100.0% | Sold out |
| Park West Asset Management LLC | 0 | $0 | 0.00% | −50,000−100.0% | Sold out |
| Ergoteles LLC | 0 | $0 | 0.00% | −43,753−100.0% | Sold out |
| Segall Bryant & Hamill, LLC | 0 | $0 | 0.00% | −38,707−100.0% | Sold out |
| WCM Investment Management, LLC | 0 | $0 | 0.00% | −38,540−100.0% | Sold out |
| Castleark Management LLC | 0 | $0 | 0.00% | −32,190−100.0% | Sold out |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −26,000−100.0% | Sold out |
| Polar Asset Management Partners Inc. | 0 | $0 | 0.00% | −24,482−100.0% | Sold out |
| Sectoral Asset Management Inc | 0 | $0 | 0.00% | −24,000−100.0% | Sold out |
| Calamos Advisors LLC | 0 | $0 | 0.00% | −19,982−100.0% | Sold out |
| Twinbeech Capital LP | 0 | $0 | 0.00% | −13,760−100.0% | Sold out |
| EAM Global Investors LLC | 0 | $0 | 0.00% | −13,482−100.0% | Sold out |
| Penserra Capital Management LLC | 0 | $0 | 0.00% | −9,669−100.0% | Sold out |
| Oberweis Asset Management Inc | 0 | $0 | 0.00% | −7,650−100.0% | Sold out |
| EAM Investors, LLC | 0 | $0 | 0.00% | −7,256−100.0% | Sold out |
| Gotham Asset Management, LLC | 0 | $0 | 0.00% | −6,951−100.0% | Sold out |
| Summit Global Investments | 0 | $0 | 0.00% | −5,942−100.0% | Sold out |
| Beck Bode, LLC | 0 | $0 | 0.00% | −5,127−100.0% | Sold out |
| Acadian Asset Management LLC | 0 | $0 | 0.00% | −4,619−100.0% | Sold out |
| Laurion Capital Management LP | 0 | $0 | 0.00% | −4,332−100.0% | Sold out |
| Legato Capital Management LLC | 0 | $0 | 0.00% | −4,327−100.0% | Sold out |
| Meeder Asset Management Inc | 0 | $0 | 0.00% | −3,921−100.0% | Sold out |
| Angeles Wealth Management, LLC | 0 | $0 | 0.00% | −3,660−100.0% | Sold out |
| O'Neil Global Advisors, Inc. | 0 | $0 | 0.00% | −3,191−100.0% | Sold out |
| PDT Partners, LLC | 0 | $0 | 0.00% | −3,098−100.0% | Sold out |
| Advisory Research Inc | 0 | $0 | 0.00% | −2,907−100.0% | Sold out |
| Caxton Associates LP | 0 | $0 | 0.00% | −2,796−100.0% | Sold out |
| AIA Group Ltd | 0 | $0 | 0.00% | −2,688−100.0% | Sold out |
| Cetera Investment Advisers | 0 | $0 | 0.00% | −2,463−100.0% | Sold out |
| Cresset Asset Management, LLC | 0 | $0 | 0.00% | −2,019−100.0% | Sold out |
| FDx Advisors, Inc. | 0 | $0 | 0.00% | −1,805−100.0% | Sold out |