Inspire Medical Systems Ownership | Who Owns Inspire Medical Systems?
Inspire Medical Systems Ownership Summary
Inspire Medical Systems is owned by 82.78% institutional investors, 1.16% insiders, and 16.05% retail investors. Blackrock funding, inc. /de is the largest institutional shareholder, holding 12.27% of INSP shares. iShares Core S&P Small-Cap ETF is the top mutual fund, with 5.93% of its assets in Inspire Medical Systems shares.
INSP Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Inspire Medical Systems | 82.78% | 1.16% | 16.05% |
| Sector | Healthcare Stocks | 232.12% | 10.72% | -142.83% |
| Industry | Medical Device Stocks | 34.02% | 10.45% | 55.53% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Blackrock funding, inc. /de | 3.55M | 12.27% | $327.49M |
| Vanguard group | 2.95M | 10.07% | $272.37M |
| Blackrock | 1.86M | 6.25% | $248.64M |
| Morgan stanley | 1.26M | 4.29% | $116.19M |
| William blair investment management | 1.16M | 4.01% | $107.11M |
| Deerfield management company, l.p. (series c) | 1.05M | 3.55% | $77.74M |
| State street | 979.31K | 3.32% | $72.66M |
| Braidwell lp | 883.75K | 3.00% | $65.57M |
| Fmr | 749.31K | 2.54% | $55.60M |
| Fuller & thaler asset management | 668.10K | 2.27% | $61.62M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Braidwell lp | 883.75K | 1.95% | $65.57M |
| Bullseye asset management | 36.13K | 1.40% | $2.68M |
| Deerfield management company, l.p. (series c) | 1.05M | 1.19% | $77.74M |
| Soleus capital management | 299.40K | 1.02% | $27.61M |
| Brown capital management | 278.04K | 0.85% | $20.63M |
| Rheos capital works | 117.40K | 0.69% | $10.83M |
| Integral health asset management | 120.00K | 0.60% | $8.90M |
| Monimus capital management, lp | 13.08K | 0.60% | $970.31K |
| Regal partners | 101.71K | 0.54% | $7.55B |
| Sectoral asset management | 7.20K | 0.53% | $664.06K |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Deerfield management company, l.p. (series c) | 1.05M | 1.19% | 907.69K |
| Morgan stanley | 1.26M | 0.01% | 809.12K |
| Fuller & thaler asset management | 668.10K | 0.21% | 668.10K |
| Deutsche bank ag\ | 516.82K | 0.02% | 509.63K |
| Braidwell lp | 883.75K | 1.95% | 361.34K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Dragoneer investment group | - | - | -2.35M |
| Fmr | 749.31K | 0.00% | -1.54M |
| Baillie gifford | - | - | -1.08M |
| Farallon capital management | - | - | -626.85K |
| Westfield capital management co lp | - | - | -538.29K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Fuller & thaler asset management | 668.10K | 0.21% | 668.10K | $61.62M |
| Jefferies financial group | 307.59K | 0.14% | 307.59K | $28.37M |
| Assenagon asset management | 265.00K | 0.03% | 265.00K | $24.44M |
| Vestal point capital, lp | 135.00K | 0.45% | 135.00K | $10.02M |
| Norges bank | 129.57K | 0.00% | 129.57K | $11.95M |
Sold Out
| Holder | Change |
|---|---|
| Mendota financial group | -1.00 |
| Corecap advisors | -1.00 |
| Activest wealth management | -1.00 |
| Assetmark | -1.00 |
| Kilter group | -1.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Dec 31, 2025 | 265 | -22.06% | 24,282,827 | -21.96% | 82 | 0.74% | 153 | -5.56% | 84 | -35.88% |
| Sep 30, 2025 | 325 | -12.16% | 31,091,867 | -8.07% | 105 | 0.80% | 157 | -12.29% | 125 | -12.59% |
| Jun 30, 2025 | 360 | -5.01% | 33,671,190 | -0.52% | 114 | 0.88% | 177 | -7.33% | 140 | 17.65% |
| Mar 31, 2025 | 380 | -0.52% | 34,018,174 | 1.77% | 114 | 0.91% | 190 | 3.26% | 121 | -4.72% |
| Dec 31, 2024 | 359 | -4.77% | 31,850,341 | -3.62% | 106 | 0.87% | 169 | -11.98% | 121 | 7.08% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| iShares Core S&P Small-Cap ETF | 1.75M | 5.93% | - |
| Vanguard US Total Market Shares ETF | 939.66K | 3.17% | 747.00 |
| Vanguard Total Stock Mkt Idx Inv | 930.81K | 3.15% | -25.46K |
| Vanguard Small Cap Index | 716.66K | 2.42% | -4.13K |
| Baillie Gifford US Equity Growth | 640.69K | 2.14% | -20.57K |
| Vanguard US Growth Investor | 577.84K | 1.96% | -26.67K |
| Hartford MidCap Y | 470.89K | 1.58% | -9.58K |
| Wasatch Core Growth | 442.54K | 1.50% | 9.04K |
| Vanguard Small Cap Growth Index Inv | 404.21K | 1.37% | -134.00 |
| Delaware Ivy Mid Cap Growth A | 382.67K | 1.28% | -9.51K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Jan 09, 2026 | Rondoni John | See Remarks | Sell | $10.90K |
| Dec 02, 2025 | mcCormick Shawn | - | Sell | $166.80K |
| Nov 28, 2025 | mcCormick Shawn | - | Sell | $254.96K |
| Apr 07, 2025 | Curet Myriam | - | Buy | $148.26 |
| May 08, 2025 | Curet Myriam | - | Sell | $306.45 |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q1 | - | 1 |
| 2025 Q4 | - | 2 |
| 2025 Q3 | - | 1 |
| 2025 Q2 | - | 2 |
| 2025 Q1 | - | 16 |
INSP Ownership FAQ
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