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 2025
Institutional positions in Inspire Medical Systems, Inc. as of Dec 31, 2025. 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
- 343
- +24 vs. Q3 2025
- Shares held
- 33.9M
- +2.96M (+9.6%) vs. Q3 2025
- Total value
- $3.12B
- +$828.8M (+36.1%) vs. Q3 2025
- New holders
- 93
- 114 more added
- Sold out
- 69
- 114 more reduced
6 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2025
Shares, value and share of portfolio for each institution holding Inspire Medical Systems, Inc.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Washington Trust Advisors, Inc. | 0 | $0 | 0.00% | −67−100.0% | Sold out |
| Thurston, Springer, Miller, Herd & Titak, Inc. | 0 | $0 | 0.00% | −15−100.0% | Sold out |
| IFP Advisors, Inc | 0 | $0 | 0.00% | −12−100.0% | Sold out |
| WealthCollab, LLC | 0 | $0 | 0.00% | −11−100.0% | Sold out |
| First Horizon Corp | 0 | $0 | 0.00% | −11−100.0% | Sold out |
| Brown Brothers Harriman & Co | 0 | $0 | 0.00% | −10−100.0% | Sold out |
| GWM Advisors LLC | 0 | $0 | 0.00% | −6−100.0% | Sold out |
| Quent Capital, LLC | 0 | $0 | 0.00% | −6−100.0% | Sold out |
| J.Safra Asset Management Corp | 0 | $0 | 0.00% | −5−100.0% | Sold out |
| Atlantic Trust, LLC | 0 | $0 | 0.00% | −4−100.0% | Sold out |
| Kilter Group LLC | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| T. Rowe Price Investment Management, Inc. | 0 | $0 | 0.00% | −4−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | – | – | – | – | Not filed |
| Point72 Hong Kong Ltd | – | – | – | – | Not filed |
| EFG Asset Management (North America) Corp. | – | – | – | – | Not filed |
| Point72 Asia (Singapore) Pte. Ltd. | – | – | – | – | Not filed |
| Wolverine Trading, LLC | – | – | – | – | Not filed |
| Point72 Europe (London) LLP | – | – | – | – | Not filed |