Inspire Medical Systems, Inc.
INSP- Exchange
- NYSE
- Industry
- Surgical & Medical Instruments & Apparatus
- SEC CIK
- 0001609550
No open-market purchases or sales by Inspire Medical Systems, Inc. insiders were filed in the last 90 days; 275 institutions reported holding it in 13F filings for Q2 2026, worth $1.65B in total; no superinvestor holds it.
Key figures
- Market capClose on Nov 13, 2026
- $1.77B
- Insider buysOpen market, last 90 days
- 0
- Insider sellsOpen market, last 90 days
- 0
- 13F holdersQ2 2026, −22 vs. previous quarter
- 275
- 13F valueReported value at the end of Q2 2026
- $1.65B
- Superinvestors holdingAt the end of Q2 2026
- 0
Price chart
Financials
See financial statementsFrom SEC filings, in USD.
- Revenue, FY2025
- $912.0M
- +13.6% year over year
- Net income, FY2025
- $145.4M
- +171.8% year over year
- Free cash flow, FY2025
- $78.5M
- −13.9% year over year
- Revenue, Q3 FY2026
- $206.7M
- −7.9% year over year
Revenue flow, FY2025
Green is profit; orange is costs, expenses and taxes. Percentages are shares of revenue.
Short interest
See short dataFrom FINRA, settlement date Oct 30, 2026.
- Short interest
- 4.14M
- Shares sold short
- Change
- −348.1K
- −7.8% vs. previous
- Days to cover
- 6.62
- At average daily volume
Superinvestors holding INSP, Q2 2026
Go to the superinvestors tabNo superinvestor reported holding INSP at the end of Q2 2026.
Latest insider trades
See all insider tradesOpen-market purchases and sales by Inspire Medical Systems, Inc. insiders from Form 4, newest first.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Aug 11, 2026 (view filing)7:13 PM ET | Aug 7 | 4 days | Kelly Jason PSee Remarks | SSale | −963 | $59.55 | −$57.3K | −4.8%19.0K after | |
| May 19, 2026 (view filing) | May 15 | 4 days | Rondoni JohnSee Remarks | SSale | −2.64K | $43.28 | −$114.3K | −8.9%27.2K after | |
| May 15, 2026 (view filing) | May 14 | 1 day | Rondoni JohnSee Remarks | SSale | −700 | $43.01 | −$30.1K | −2.3%29.8K after | |
| May 11, 2026 (view filing) | May 8 | 3 days | McCormick ShawnDirector | SSale | −696 | $45.31 | −$31.5K | −2.5%27.7K after | 10b5-1 |
| Jan 12, 2026 (view filing) | Jan 9 | 3 days | Rondoni JohnSee Remarks | SSale | −109 | $100.00 | −$10.9K | −0.8%13.8K after | 10b5-1 |
| Dec 4, 2025 (view filing) | Dec 2 | 2 days | McCormick ShawnDirector | SSale | −1.20K | $139.00 | −$166.8K | −4.6%24.8K after | 10b5-1 |
| Dec 1, 2025 (view filing) | Nov 28 | 3 days | McCormick ShawnDirector | SSale | −2.00K | $127.48 | −$255.0K | −7.1%26.0K after | 10b5-1 |
| Nov 24, 2025 (view filing) | Mar 20-Apr 7 | 249 daysLate | Curet MyriamDirector | PPurchase | +5 | $160.72 | +$803.62 | +0.1%3.37K after | 2 lots |
| Nov 24, 2025 (view filing) | May 8-Aug 8 | 200 daysLate | Curet MyriamDirector | SSale | −6 | $102.59 | −$615.56 | −0.2%3.37K after | 2 lots |
| Sep 2, 2025 (view filing) | Aug 29 | 4 days | Buchholz RichardChief Financial Officer | SSale | −11.0K | $93.39 | −$1.03M | −19.7%44.9K after |
Top 10 13F holders, Q2 2026
See all 275 holdersThe largest institutional positions in Inspire Medical Systems, Inc. at the end of Q2 2026; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 4,737,519 | $211.3M | 0.00% | +1,187,965+33.5% | Added |
| Wellington Management Group LLP | 2,382,660 | $106.3M | 0.02% | −153,294−6.0% | Reduced |
| Vanguard Portfolio Management LLC | 2,088,961 | $93.2M | 0.00% | +451,788+27.6% | Added |
| Soleus Capital Management, L.P. | 1,931,436 | $86.2M | 2.97% | +1,355,137+235.1% | Added |
| AQR Capital Management LLC | 1,856,800 | $80.9M | 0.03% | +1,548,138+501.6% | Added |
| UBS Group AG | 1,645,511 | $73.4M | 0.01% | +1,006,583+157.5% | Added |
| D. E. Shaw & Co., Inc. | 1,470,462 | $65.6M | 0.04% | +281,925+23.7% | Added |
| Nomura Holdings Inc | 1,369,410 | $61.1M | 0.26% | +1,369,410 | New |
| Deerfield Management Company, L.P. (Series C) | 1,296,862 | $57.9M | 0.60% | −1,406,376−52.0% | Reduced |
| Vanguard Capital Management LLC | 1,270,928 | $56.7M | 0.00% | +4,190+0.3% | Added |
Holders of 5% or more of INSP
See all 5 holders and filingsHolders whose latest Schedule 13D or 13G filing reports 5% or more of Inspire Medical Systems, Inc..
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| BlackRock, Inc. | 13G/A | 14.40%4.16M shares | +3.10 ppfrom 11.30% | Oct 7, 20244 filings | Jul 28, 2026 | SEC |
| Wellington Management Group LLP | 13G/A | 8.80%2.54M shares | +1.20 ppfrom 7.60% | Feb 10, 20262 filings | May 15, 2026 | SEC |
| Vanguard Portfolio Management LLC | 13G/A | 6.02%1.74M shares | −1.35 ppfrom 7.37% | Apr 29, 20263 filings | Oct 30, 2026 | SEC |
| D. E. Shaw & Co, L.P. | 13G | 5.10%1.48M shares | New | Jul 2, 20261 filing | Jul 2, 2026 | SEC |
| Vanguard Capital Management LLC | 13G | 5.10%1.47M shares | New | Apr 30, 20261 filing | Apr 30, 2026 | SEC |
Politician trades
All politician trades in INSP1 member of Congress reported 1 trade in Inspire Medical Systems, Inc. since 2020. Newest filings:
| Filed | Politician | Type | Amount |
|---|---|---|---|
| May 19, 2023 |  Daniel S. Goldman House · NY | Sell (partial) | $1K-$15K |
House · NY · May 19, 2023
Sell (partial)$1K-$15K