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, Q4 2022
Institutional positions in Inspire Medical Systems, Inc. as of Dec 31, 2022. 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
- 340
- +42 vs. Q3 2022
- Shares held
- 28.2M
- −24.8K (−0.1%) vs. Q3 2022
- Total value
- $7.11B
- +$2.09B (+41.8%) vs. Q3 2022
- New holders
- 70
- 122 more added
- Sold out
- 28
- 109 more reduced
3 institutions that held it in Q3 2022 haven't filed for Q4 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2022: 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, Q4 2022
Shares, value and share of portfolio for each institution holding Inspire Medical Systems, Inc.; share changes are against Q3 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Victory Capital Management Inc | 189,102 | $47.6M | 0.05% | −95,066−33.5% | Reduced |
| Pura Vida Investments, LLC | 200,984 | $50.6M | 8.49% | −600−0.3% | Reduced |
| Marshall Wace, LLP | 205,922 | $51.9M | 0.13% | −158,515−43.5% | Reduced |
| Millennium Management LLC | 215,146 | $54.2M | 0.06% | +205,813+2,205.2% | Added |
| Federated Hermes, Inc. | 240,000 | $60.5M | 0.17% | 00.0% | Unchanged |
| Farallon Capital Management, L.L.C. | 242,596 | $61.1M | 0.39% | −239,400−49.7% | Reduced |
| Norges Bank | 261,746 | $65.9M | 0.02% | +14,396+5.8% | Added |
| Price T Rowe Associates Inc | 268,747 | $67.7M | 0.01% | +4,081+1.5% | Added |
| Bank of New York Mellon Corp | 278,346 | $70.1M | 0.02% | −13,779−4.7% | Reduced |
| Loomis Sayles & Co L P | 284,353 | $71.6M | 0.14% | −6,797−2.3% | Reduced |
| Bamco Inc | 293,336 | $73.9M | 0.25% | 00.0% | Unchanged |
| Driehaus Capital Management LLC | 297,470 | $74.9M | 1.12% | +29,324+10.9% | Added |
| Summit Partners Public Asset Management, LLC | 299,090 | $75.3M | 5.50% | +86,506+40.7% | Added |
| Charles Schwab Investment Management Inc | 307,051 | $77.3M | 0.02% | +19,203+6.7% | Added |
| Northern Trust Corp | 318,214 | $80.2M | 0.02% | +6,038+1.9% | Added |
| Credit Suisse AG | 322,489 | $81.2M | 0.09% | −163,555−33.7% | Reduced |
| Ameriprise Financial Inc | 337,449 | $85.0M | 0.03% | +68,711+25.6% | Added |
| Westfield Capital Management Co LP | 339,320 | $85.5M | 0.66% | +33,053+10.8% | Added |
| Assenagon Asset Management S.A. | 339,629 | $85.5M | 0.35% | +339,629 | New |
| Frontier Capital Management Co LLC | 358,032 | $90.2M | 0.98% | +151,473+73.3% | Added |
| Bellevue Group AG | 401,742 | $101.2M | 1.34% | −260.0% | Reduced |
| Allspring Global Investments Holdings, LLC | 405,712 | $102.2M | 0.17% | −65,845−14.0% | Reduced |
| Point72 Asset Management, L.P. | 412,924 | $104.0M | 0.39% | −75,748−15.5% | Reduced |
| Lord, Abbett & Co. LLC | 439,572 | $110.7M | 0.40% | −71,875−14.1% | Reduced |
| Geode Capital Management, LLC | 506,357 | $127.5M | 0.02% | +26,593+5.5% | Added |
| Fred Alger Management, LLC | 510,133 | $128.5M | 0.70% | +50,545+11.0% | Added |
| Gilder Gagnon Howe & Co LLC | 536,769 | $135.2M | 2.52% | −64,736−10.8% | Reduced |
| Wasatch Advisors Inc | 548,128 | $138.1M | 0.93% | −57,270−9.5% | Reduced |
| Viking Global Investors LPSuperinvestorViking Global Investors | 549,793 | $138.5M | 0.69% | −83,779−13.2% | Reduced |
| State Street Corp | 600,787 | $151.3M | 0.01% | +15,037+2.6% | Added |
| Wellington Management Group LLP | 617,344 | $155.5M | 0.03% | +60,187+10.8% | Added |
| Citadel Advisors LLC | 632,330 | $159.3M | 0.18% | +82,864+15.1% | Added |
| Champlain Investment Partners, LLC | 668,255 | $168.3M | 1.08% | −21,915−3.2% | Reduced |
| Invesco Ltd. | 675,959 | $170.3M | 0.05% | +14,270+2.2% | Added |
| William Blair Investment Management, LLC | 833,423 | $209.9M | 0.80% | +174,811+26.5% | Added |
| Macquarie Group Ltd | 1,060,672 | $267.2M | 0.32% | −347,241−24.7% | Reduced |
| Franklin Resources Inc | 1,074,201 | $270.6M | 0.14% | −1,037−0.1% | Reduced |
| FMR LLC | 1,277,340 | $321.7M | 0.03% | −251,382−16.4% | Reduced |
| BlackRock Inc. | 2,135,756 | $538.0M | 0.02% | +129,892+6.5% | Added |
| Vanguard Group Inc | 2,978,391 | $750.2M | 0.02% | +114,698+4.0% | Added |
| Holocene Advisors, LP | 0 | $0 | 0.00% | −142,528−100.0% | Sold out |
| LMR Partners LLP | 0 | $0 | 0.00% | −65,000−100.0% | Sold out |
| Tri Locum Partners LP | 0 | $0 | 0.00% | −23,412−100.0% | Sold out |
| Kingdon Capital Management, L.L.C. | 0 | $0 | 0.00% | −21,000−100.0% | Sold out |
| Tudor Investment Corp Et Al | 0 | $0 | 0.00% | −18,236−100.0% | Sold out |
| UBS Oconnor LLC | 0 | $0 | 0.00% | −14,300−100.0% | Sold out |
| Altium Capital Management LP | 0 | $0 | 0.00% | −12,000−100.0% | Sold out |
| Landscape Capital Management, L.L.C. | 0 | $0 | 0.00% | −11,715−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −6,685−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −6,627−100.0% | Sold out |
| Aquatic Capital Management LLC | 0 | $0 | 0.00% | −6,100−100.0% | Sold out |
| Wolverine Trading, LLC | 0 | $0 | 0.00% | −5,532−100.0% | Sold out |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −5,500−100.0% | Sold out |
| Magnetar Financial LLC | 0 | $0 | 0.00% | −3,718−100.0% | Sold out |
| Bank of Montreal | 0 | $0 | 0.00% | −2,780−100.0% | Sold out |
| Illinois Municipal Retirement Fund | 0 | $0 | 0.00% | −3,072−100.0% | Sold out |
| Ergoteles LLC | 0 | $0 | 0.00% | −2,869−100.0% | Sold out |
| Cutler Group LP | 0 | $0 | 0.00% | −1,830−100.0% | Sold out |
| Caption Management, LLC | 0 | $0 | 0.00% | −1,700−100.0% | Sold out |
| Dark Forest Capital Management LP | 0 | $0 | 0.00% | −1,525−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −1,237−100.0% | Sold out |
| Cowa, LLC | 0 | $0 | 0.00% | −500−100.0% | Sold out |
| Evoke Wealth, LLC | 0 | $0 | 0.00% | −412−100.0% | Sold out |
| O'Dell Group, LLC | 0 | $0 | 0.00% | −361−100.0% | Sold out |
| GPS Wealth Strategies Group, LLC | 0 | $0 | 0.00% | −28−100.0% | Sold out |
| Bessemer Group Inc | 0 | $0 | 0.00% | −20−100.0% | Sold out |
| AdvisorNet Financial, Inc | 0 | $0 | 0.00% | −9−100.0% | Sold out |
| Raffa Wealth Management, LLC | 0 | $0 | 0.00% | −4−100.0% | Sold out |
| CPWM, LLC | – | – | – | – | Not filed |
| FourThought Financial, LLC | – | – | – | – | Not filed |
| Wipfli Financial Advisors LLC, | – | – | – | – | Not filed |