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 2026
Institutional positions in Inspire Medical Systems, Inc. as of Mar 31, 2026. 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
- 301
- −34 vs. Q4 2025
- Shares held
- 34.9M
- +4.10M (+13.3%) vs. Q4 2025
- Total value
- $1.80B
- −$1.04B (−36.6%) vs. Q4 2025
- New holders
- 59
- 120 more added
- Sold out
- 93
- 99 more reduced
8 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: 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 2026
Shares, value and share of portfolio for each institution holding Inspire Medical Systems, Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Avion Wealth | 8 | $0 | 0.00% | +8 | New |
| Fuller & Thaler Asset Management, Inc. | 0 | $0 | 0.00% | −668,099−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −531,079−100.0% | Sold out |
| Eventide Asset Management, LLC | 0 | $0 | 0.00% | −440,205−100.0% | Sold out |
| Driehaus Capital Management LLC | 0 | $0 | 0.00% | −348,500−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −277,199−100.0% | Sold out |
| Keybank National Association | 0 | $0 | 0.00% | −200,042−100.0% | Sold out |
| Frontier Capital Management Co LLC | 0 | $0 | 0.00% | −142,007−100.0% | Sold out |
| Connor, Clark & Lunn Investment Management Ltd. | 0 | $0 | 0.00% | −136,420−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −121,761−100.0% | Sold out |
| ING Groep NV | 0 | $0 | 0.00% | −88,300−100.0% | Sold out |
| Arrowstreet Capital, Limited Partnership | 0 | $0 | 0.00% | −76,028−100.0% | Sold out |
| Integral Health Asset Management, LLC | 0 | $0 | 0.00% | −75,000−100.0% | Sold out |
| Credit Agricole S A | 0 | $0 | 0.00% | −67,695−100.0% | Sold out |
| Nomura Holdings Inc | 0 | $0 | 0.00% | −60,950−100.0% | Sold out |
| Mairs & Power Inc | 0 | $0 | 0.00% | −57,616−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −38,896−100.0% | Sold out |
| Rhenman & Partners Asset Management AB | 0 | $0 | 0.00% | −35,800−100.0% | Sold out |
| EFG International AG | 0 | $0 | 0.00% | −33,813−100.0% | Sold out |
| Raymond James Financial Inc | 0 | $0 | 0.00% | −30,622−100.0% | Sold out |
| Thornburg Investment Management Inc | 0 | $0 | 0.00% | −25,197−100.0% | Sold out |
| Moore Capital Management, LP | 0 | $0 | 0.00% | −25,096−100.0% | Sold out |
| Polar Asset Management Partners Inc. | 0 | $0 | 0.00% | −25,000−100.0% | Sold out |
| Banque Pictet & Cie SA | 0 | $0 | 0.00% | −24,474−100.0% | Sold out |
| Baird Financial Group, Inc. | 0 | $0 | 0.00% | −21,910−100.0% | Sold out |
| Aquatic Capital Management LLC | 0 | $0 | 0.00% | −21,535−100.0% | Sold out |
| Exit Wealth Advisors, LLC. | 0 | $0 | 0.00% | −16,230−100.0% | Sold out |
| Gilder Gagnon Howe & Co LLC | 0 | $0 | 0.00% | −15,241−100.0% | Sold out |
| Parkman Healthcare Partners LLC | 0 | $0 | 0.00% | −15,000−100.0% | Sold out |
| Cambridge Investment Research Advisors, Inc. | 0 | $0 | 0.00% | −12,592−100.0% | Sold out |
| Verition Fund Management LLC | 0 | $0 | 0.00% | −11,106−100.0% | Sold out |
| Hilltop Holdings Inc. | 0 | $0 | 0.00% | −9,244−100.0% | Sold out |
| Entropy Technologies, LP | 0 | $0 | 0.00% | −7,624−100.0% | Sold out |
| HighTower Advisors, LLC | 0 | $0 | 0.00% | −7,543−100.0% | Sold out |
| Everhart Financial Group, Inc. | 0 | $0 | 0.00% | −7,013−100.0% | Sold out |
| Marex Group plc | 0 | $0 | 0.00% | −6,550−100.0% | Sold out |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −6,200−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −5,712−100.0% | Sold out |
| Cetera Investment Advisers | 0 | $0 | 0.00% | −5,621−100.0% | Sold out |
| Counterpoint Mutual Funds LLC | 0 | $0 | 0.00% | −5,488−100.0% | Sold out |
| Sanctuary Advisors, LLC | 0 | $0 | 0.00% | −5,216−100.0% | Sold out |
| Commonwealth Equity Services, LLC | 0 | $0 | 0.00% | −4,893−100.0% | Sold out |
| Concurrent Investment Advisors, LLC | 0 | $0 | 0.00% | −4,815−100.0% | Sold out |
| PDT Partners, LLC | 0 | $0 | 0.00% | −4,800−100.0% | Sold out |
| M&T Bank Corp | 0 | $0 | 0.00% | −4,708−100.0% | Sold out |
| Guggenheim Capital LLC | 0 | $0 | 0.00% | −4,665−100.0% | Sold out |
| Vestmark Advisory Solutions, Inc. | 0 | $0 | 0.00% | −4,438−100.0% | Sold out |
| PharVision Advisers, LLC | 0 | $0 | 0.00% | −4,358−100.0% | Sold out |
| Virginia Retirement Systems Et Al | 0 | $0 | 0.00% | −3,894−100.0% | Sold out |
| Commerce Bank | 0 | $0 | 0.00% | −3,888−100.0% | Sold out |
| Connable Office Inc | 0 | $0 | 0.00% | −3,633−100.0% | Sold out |
| Machina Capital S.A.S. | 0 | $0 | 0.00% | −3,295−100.0% | Sold out |
| Valeo Financial Advisors, LLC | 0 | $0 | 0.00% | −3,203−100.0% | Sold out |
| Zhang Financial LLC | 0 | $0 | 0.00% | −3,200−100.0% | Sold out |
| Mutual of America Capital Management LLC | 0 | $0 | 0.00% | −3,022−100.0% | Sold out |
| Quest Partners LLC | 0 | $0 | 0.00% | −2,984−100.0% | Sold out |
| Wealthspire Advisors, LLC | 0 | $0 | 0.00% | −2,882−100.0% | Sold out |
| Hodges Capital Management Inc. | 0 | $0 | 0.00% | −2,850−100.0% | Sold out |
| Quadrature Capital Ltd | 0 | $0 | 0.00% | −2,830−100.0% | Sold out |
| AlphaGrep UK Ltd | 0 | $0 | 0.00% | −2,774−100.0% | Sold out |
| Centiva Capital, LP | 0 | $0 | 0.00% | −2,747−100.0% | Sold out |
| Bank of Montreal | 0 | $0 | 0.00% | −2,728−100.0% | Sold out |
| Capstone Investment Advisors, LLC | 0 | $0 | 0.00% | −2,610−100.0% | Sold out |
| Walleye Trading LLC | 0 | $0 | 0.00% | −2,603−100.0% | Sold out |
| MML Investors Services, LLC | 0 | $0 | 0.00% | −2,575−100.0% | Sold out |
| Versor Investments LP | 0 | $0 | 0.00% | −2,451−100.0% | Sold out |
| JustInvest LLC | 0 | $0 | 0.00% | −2,441−100.0% | Sold out |
| EntryPoint Capital, LLC | 0 | $0 | 0.00% | −2,407−100.0% | Sold out |
| Bayforest Capital Ltd | 0 | $0 | 0.00% | −2,407−100.0% | Sold out |
| Kestra Advisory Services, LLC | 0 | $0 | 0.00% | −805−100.0% | Sold out |
| Archer Investment Corp | 0 | $0 | 0.00% | −686−100.0% | Sold out |
| V-Square Quantitative Management LLC | 0 | $0 | 0.00% | −433−100.0% | Sold out |
| Aster Capital Management (DIFC) Ltd | 0 | $0 | 0.00% | −221−100.0% | Sold out |
| SRS Capital Advisors, Inc. | 0 | $0 | 0.00% | −181−100.0% | Sold out |
| National Bank of Canada | 0 | $0 | 0.00% | −153−100.0% | Sold out |
| SageView Advisory Group, LLC | 0 | $0 | 0.00% | −134−100.0% | Sold out |
| Flagship Harbor Advisors, LLC | 0 | $0 | 0.00% | −133−100.0% | Sold out |
| Danske Bank A/S | 0 | $0 | 0.00% | −100−100.0% | Sold out |
| Signature Equity Partners, LLC | 0 | $0 | 0.00% | −91−100.0% | Sold out |
| Fortitude Family Office, LLC | 0 | $0 | 0.00% | −80−100.0% | Sold out |
| S&T Bank | 0 | $0 | 0.00% | −52−100.0% | Sold out |
| Prestige Wealth Management Group LLC | 0 | $0 | 0.00% | −35−100.0% | Sold out |
| Atlantic Union Bankshares Corp | 0 | $0 | 0.00% | −21−100.0% | Sold out |
| Bell Investment Advisors, Inc | 0 | $0 | 0.00% | −20−100.0% | Sold out |
| Bogart Wealth, LLC | 0 | $0 | 0.00% | −14−100.0% | Sold out |
| TFC Financial Management | 0 | $0 | 0.00% | −7−100.0% | Sold out |
| Cedar Mountain Advisors, LLC | 0 | $0 | 0.00% | −5−100.0% | Sold out |
| Clearstead Advisors, LLC | 0 | $0 | 0.00% | −4−100.0% | Sold out |
| Ancora Advisors, LLC | 0 | $0 | 0.00% | −4−100.0% | Sold out |
| Keating Financial Advisory Services, Inc. | 0 | $0 | 0.00% | −4−100.0% | Sold out |
| Torren Management, LLC | 0 | $0 | 0.00% | −3−100.0% | Sold out |
| Strategic Advocates LLC | 0 | $0 | 0.00% | −2−100.0% | Sold out |
| Gilpin Wealth Management, LLC | 0 | $0 | 0.00% | −2−100.0% | Sold out |
| Elyxium Wealth, LLC | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| Vanguard Group Inc | – | – | – | – | Not filed |
| Norges Bank | – | – | – | – | Not filed |
| Comerica Bank | – | – | – | – | Not filed |
| Hedges Asset Management LLC | – | – | – | – | Not filed |
| Global Retirement Partners, LLC | – | – | – | – | Not filed |
| CIBC Private Wealth Group, LLC | – | – | – | – | Not filed |