Inspire Medical Systems
INSP
67.45
-0.75
-1.10%
Inspire Medical Systems
US · INSP
#2781 by market cap
Listed 2018
67.45
-0.75
-1.10%
Live - 5344 symbols - heartbeat 138s ago
· 2026-10-08 08:21
Pre-market
67.30
-0.22%
After-hours
67.45
0.00%
- Market cap
- 1.95B
- P/E (TTM)i
- 14.89
- P/Bi
- 2.36
- EPSi
- 4.89
- Div yieldi
- 0.00%
- 52W posi
- 26%
Reader sentiment
Are you bullish or bearish on INSP?
Anonymous reader poll. Unscientific, not investment advice.
✦ Quant Ownership Signal how this is computed
Distributing
- The number of reporting institutions decreased by 2 in the most recent period (2026/Q3).
- Total institutional ownership fell 0.4 percentage points.
Institutional ownership
- Held by institutions
- 130.39% -0.36pp
- Institutions
- 325 -2
- As of
- 2026/Q3 vs. prior period
Ownership vs. money flow
DivergingInstitutions trimmed shares last reporting period, and the stock has seen net inflows in main-fund flow over the last 20 trading sessions - the two are pointing in different directions.
Institutional ownership changes are reported quarterly with a lag; fund-flow data is daily. Treat this as a directional cross-check, not a precise timing signal.
Holder types
Mutual Fund73.91%
Hedge Fund36.36%
Public Company11.51%
Private Company5.67%
Government Pension Fund2.03%
Individual/Insider1.27%
Sovereign Wealth Fund0.69%
Top holders as of 2026-06-30
BlackRock
16.39% · 4.74M sh
Wellington Management Group
8.24% · 2.38M sh
UBS Asset Management
7.58% · 2.19M sh
Vanguard Portfolio Management, LLC
7.23% · 2.09M sh
Soleus Capital Management, L.P.
6.68% · 1.93M sh
AQR Capital Management
6.41% · 1.85M sh
D. E. Shaw & Co., L.P.
5.09% · 1.47M sh
Vanguard Capital Management, LLC
5.06% · 1.46M sh
Nomura Holdings, Inc.
4.74% · 1.37M sh
Deerfield Management Company, L.P.
4.49% · 1.30M sh
Bar length is relative to the largest holder shown here, not to 100% of the company.
Insiders
50 filings tracked · 28 buys · 21 sells
| Name | Role | Stake |
|---|---|---|
| Timothy Herbert | Chief Executive Officer | 0.71% |
| Richard Buchholz | Chief Financial Officer | 0.15% |
| Shawn McCormick | Independent Director | 0.09% |
| Casey Tansey | Independent Director | 0.08% |
| Dana Mead | Independent Director | 0.07% |
| Bryan Phillips | Senior VP, General Counsel, Chief Compliance Officer & Corporate Secretary | 0.03% |
| Gary Ellis | Independent Director | 0.03% |
| John Rondoni | Chief Technology Officer | 0.02% |
| Shelley Broader | Independent Director | 0.02% |
| Georgia Garinois-Melenikiotou | Independent Director | 0.02% |
Insider transactions most recent Form 4 filings
| Date | Name | Role | Type | Shares | Price |
|---|---|---|---|---|---|
| 2026-08-30 | Jason Kelly | Chief Manufacturing & Quality Officer | Other Acquisition | +6,350 | -- |
| 2026-08-06 | Jason Kelly | Chief Manufacturing & Quality Officer | Open Market Disposition | -963 | $59.55 |
| 2026-07-30 | Melissa Mann | Chief Human Resources Officer | Sale to Issuer | -652 | $50.21–124.54 |
| 2026-07-19 | Michael Carrel | Director | Other Acquisition | +5,631 | -- |
| 2026-07-14 | Casey Tansey | Independent Director | Other Acquisition | +346 | -- |
| 2026-07-14 | Shelley Broader | Independent Director | Other Acquisition | +383 | -- |
| 2026-07-14 | Gary Ellis | Independent Director | Other Acquisition | +581 | -- |
| 2026-07-14 | Georgia Garinois-Melenikiotou | Independent Director | Other Acquisition | +344 | -- |
| 2026-05-14 | John Rondoni | Chief Technology Officer | Open Market Disposition | -2,641 | $43.28 |
| 2026-05-13 | John Rondoni | Chief Technology Officer | Open Market Disposition | -700 | $43.01 |
| 2026-05-07 | Shawn McCormick | Independent Director | Open Market Disposition | -696 | $45.31 |
| 2026-04-30 | Georgia Garinois-Melenikiotou | Independent Director | Sale to Issuer | -50 | $56.70 |
| 2026-04-29 | Casey Tansey | Independent Director | Other Acquisition | +3,562 | -- |
| 2026-04-29 | Dana Mead | Independent Director | Other Acquisition | +3,562 | -- |
| 2026-04-29 | Shawn McCormick | Independent Director | Other Acquisition | +3,562 | -- |
| 2026-04-29 | Shelley Broader | Independent Director | Other Acquisition | +3,562 | -- |
| 2026-04-29 | Gary Ellis | Independent Director | Other Acquisition | +3,562 | -- |
| 2026-04-29 | Georgia Garinois-Melenikiotou | Independent Director | Other Acquisition | +3,562 | -- |
| 2026-04-29 | Myriam J. McAdams | Independent Director | Other Acquisition | +3,562 | -- |
| 2026-04-29 | Cynthia Burks | Independent Director | Other Acquisition | +3,562 | -- |
Form 4 filings, most recent per company. "Other Derivative Acquisition" rows are mostly RSU/option vesting, not open-market buying - the Type column says which.
Quote time 2026-10-08 08:21:38 · For reference only, not investment advice and not tailored to your situation.