Institutional Ownership
Inspire Med Sys Inc
CUSIP 457730109COMINSPQ1 2026
13D / 13G Filings
38
Schedule 13D/13G on record
Beneficial Filers
14
Distinct reporting persons
Largest Stake
13.8%
Max % of class reported
Institutional Holders
292
13F filers (latest quarter)
Beneficial Owners — Schedule 13D / 13G
38 filings · latest Feb 17, 2026
| # | Filed | Reporting Person | Form | % of Class | Shares | Filing |
|---|---|---|---|---|---|---|
| 1 | Feb 17, 2026 | Citadel Advisors LLC | 13G/A | 1.8% | 527.2K | SEC |
| 2 | Feb 10, 2026 | Wellington Management Group LLP | 13G | 7.6% | 2.21M | SEC |
| 3 | Nov 14, 2025 | Marc Stad | 13G/A | — | — | SEC |
| 4 | Nov 13, 2025 | Deerfield Mgmt, L.P. | 13G | 5.1% | 1.48M | SEC |
| 5 | Nov 12, 2025 | Wasatch Advisors LP | 13G/A | 0.5% | 135.9K | SEC |
| 6 | Oct 17, 2025 | Blackrock, Inc. | 13G/A | 11.3% | 3.35M | SEC |
| 7 | Oct 7, 2025 | Fmr LLC | 13G/A | 2.5% | 741.3K | SEC |
| 8 | Oct 6, 2025 | Citadel Advisors LLC | 13G | 5.8% | 1.71M | SEC |
| 9 | Aug 14, 2025 | Marc Stad | 13G | 8.0% | 2.35M | SEC |
| 10 | May 13, 2025 | Wasatch Advisors LP | 13G | 5.1% | 1.52M | SEC |
28 more beneficial-ownership filings on Premium
See the full Schedule 13D/13G history for Inspire Med Sys Inc.
Unlock full historyTop Institutional Holders (13F)
Largest reported positions · latest quarter
| # | Fund | Shares | Value |
|---|---|---|---|
| 1 | Blackrock, Inc. | 3.55M | $183.09M |
| 2 | Deerfield Management Company, L.P. | 2.70M | $139.43M |
| 3 | Wellington Management Group LLP | 2.54M | $130.80M |
| 4 | Morgan Stanley | 1.45M | $74.82M |
| 5 | D. E. Shaw & Co., Inc. | 1.19M | $61.30M |
| 6 | William Blair Investment Management, LLC | 1.14M | $58.67M |
| 7 | State Street Corp | 956.0K | $49.31M |
| 8 | Artisan Partners Limited Partnership | 780.6K | $40.26M |
| 9 | Braidwell LP | 677.6K | $34.95M |
| 10 | Goldman Sachs Group Inc | 664.0K | $34.25M |