Companies / Inspire Medical Systems, Inc.
Inspire Medical Systems, Inc.
Financials · FY2025
Ownership
28.9M shares outstanding · as of Jul 30, 2026
Ownership
| Insiders | 1.27% | 366,277 |
| Institutions | 129.00% | 37,295,347 |
| Public float | 0.00% | 0 |
Reported holdings exceed shares outstanding — public float shown as 0; some positions may overlap or lag.
% of common shares outstanding (exact, from the latest cover-page filing). Institutions are quarterly 13F snapshots; insiders reflect current officers & directors.
Insiders 13
View all →| Insider | % of shares | Shares |
|---|---|---|
Herbert Timothy P.CEOCEO and President · Director | 0.35% | 99,834 |
Buchholz RichardInterim CFO | 0.15% | 43,988 |
Weatherby CarltonSee Remarks | 0.14% | 41,679 |
Phillips Bryan KSee Remarks | 0.13% | 38,513 |
Rondoni JohnSee Remarks | 0.11% | 30,506 |
Mead Dana G Jr.Director | 0.09% | 26,213 |
Mann MelissaChief People Officer | 0.08% | 23,609 |
Tansey Casey MDirector | 0.08% | 22,416 |
Kelly Jason PSee Remarks | 0.07% | 19,948 |
Ellis Gary LeeDirector | 0.04% | 10,838 |
Institutional holders 353
View all →| Holder | Value | % of shares |
|---|---|---|
| $272.37M | 10.21% | |
| $211.34M | 16.39% | |
| $203.93M | 7.65% | |
| $139.43M | 9.35% | |
| $116.19M | 4.36% | |
| $107.11M | 4.02% | |
| $72.47M | 2.72% | |
| $61.62M | 2.31% | |
| $61.30M | 4.11% | |
| $53.82M | 4.17% |
Activity
Jun 30, 2026View all →
InsidersInstitutions
Who's accumulating and trimming this stock (13F).| Date | Actor | Action | Security | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|---|
| Q1 2026 as of | Deerfield Management Company, L.P. 13F manager | Add | Common stock | $61.76M | +1.2M +79.51% | 2,703,238 9.35% of shares | high |
| Q1 2026 as of | Fuller & Thaler Asset Management, Inc. 13F manager | Exit | Common stock | $-61.62M | -668K -100.00% | 0 | high |
| Q2 2026 as of | BlackRock, Inc. 13F manager | Add | Common stock | $52.94M | +1.2M +33.42% | 4,737,519 16.39% of shares | high |
| Q1 2026 as of | Marshall Wace, LLP 13F manager | Exit | Common stock | $-48.98M | -531K -100.00% | 0 | medium |
| Q1 2026 as of | Janus Henderson Group PLC 13F manager | Trim | Common stock | $-28.31M | -549K -97.61% | 13,451 0.05% of shares | medium |
| Q1 2026 as of | Keybank National ASSOCIATION/OH 13F manager | Exit | Common stock | $-18.45M | -200K -100.00% | 0 | medium |
| Q2 2026 as of | Deutsche Bank AG 13F manager | Trim | Common stock | $-15.19M | -341K -65.91% | 176,200 0.61% of shares | medium |
| Q1 2026 as of | AQR Capital Management, LLC 13F manager | Add | Common stock | $14.53M | +282K +1041.50% | 308,662 1.07% of shares | medium |
5%+ ownership events
Schedule 13D / 13G
| Filer | Stance | % of class |
|---|---|---|
| Vanguard Group Inc | Passive13G/A | — |
| Citadel Advisors LLC | Passive13G/A | — |
| Wellington Management Group LLP | Passive13G | — |
| Deerfield Mgmt, L.P. | Passive13G/A | — |
Securities
via CUSIP / OpenFIGI
| Symbol | Type | CUSIP |
|---|---|---|
| INSP | — | 457730109 |