Senseonics Holdings Ownership | Who Owns Senseonics Holdings?
Senseonics Holdings Ownership Summary
Senseonics Holdings is owned by 21.00% institutional investors, 9.67% insiders, and 69.33% retail investors. Sessa capital im is the largest institutional shareholder, holding 4.23% of SENS shares. Vanguard Morn Total Stk Mkt Idx Investor is the top mutual fund, with 2.25% of its assets in Senseonics Holdings shares.
SENS Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Senseonics Holdings | 21.00% | 9.67% | 69.33% |
| Sector | Healthcare Stocks | 50.53% | 12.40% | 37.07% |
| Industry | Medical Device Stocks | 49.11% | 12.58% | 38.31% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Sessa capital im | 1.77M | 4.23% | $11.76M |
| Blackrock funding, inc. /de | 568.73K | 1.36% | $3.79M |
| Millennium management | 560.37K | 1.34% | $3.73M |
| Masters capital management | 500.00K | 1.20% | $3.33M |
| Geode capital management | 466.51K | 1.12% | $3.11M |
| Marshall wace, llp | 464.38K | 1.11% | $3.09M |
| Ubs group | 448.23K | 1.07% | $2.99M |
| Susquehanna group, llp | 230.54K | 0.55% | $1.54M |
| Vanguard fiduciary trust | 225.17K | 0.54% | $1.50M |
| Charles schwab investment management | 221.18K | 0.53% | $1.47M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Sessa capital im | 1.77M | 0.21% | $11.76M |
| Sio capital management | 115.78K | 0.11% | $771.12K |
| Masters capital management | 500.00K | 0.11% | $3.33M |
| Keynote financial services | 10.31K | 0.03% | $56.93K |
| Townsend asset management corp /nc/ /adv | 10.93K | 0.03% | $72.78K |
| Gmt capital | 36.47K | 0.01% | $242.88K |
| Symmetry partners | 24.26K | 0.01% | $161.56K |
| Bridgeway capital management | 49.60K | 0.01% | $330.34K |
| Pfizer | 2.17K | 0.01% | $11.98K |
| Tocqueville asset management | 33.50K | 0.00% | $223.11K |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Sessa capital im | 1.77M | 0.21% | 1.77M |
| Millennium management | 560.37K | 0.00% | 459.08K |
| Marshall wace, llp | 464.38K | 0.00% | 308.47K |
| Masters capital management | 500.00K | 0.11% | 250.00K |
| Ubs group | 448.23K | 0.00% | 235.28K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Vanguard group | - | - | -34.22M |
| Renaissance | - | - | -1.70M |
| Walleye capital | - | - | -1.04M |
| Jacobs levy equity management | - | - | -488.46K |
| Cambridge investment research advisors | - | - | -347.36K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Sessa capital im | 1.77M | 0.21% | 1.77M | $11.76M |
| Vanguard fiduciary trust | 225.17K | 0.00% | 225.17K | $1.50M |
| Citadel advisors | 77.16K | 0.00% | 77.16K | $513.90K |
| Bridgeway capital management | 49.60K | 0.01% | 49.60K | $330.34K |
| Tocqueville asset management | 33.50K | 0.00% | 33.50K | $223.11K |
Sold Out
| Holder | Change |
|---|---|
| Clear street markets | -1.00 |
| Tradewinds capital management | -2.00 |
| Danske bank | -11.00 |
| Advisory services network | -16.00 |
| Yankcom partnership | -22.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Mar 31, 2026 | 89 | - | 8,762,715 | 31.41% | 20 | 9.54% | 42 | 2.44% | 21 | -53.33% |
| Dec 31, 2025 | 88 | -30.16% | 6,634,040 | -94.35% | 14 | 8.64% | 40 | -13.04% | 45 | 40.63% |
| Sep 30, 2025 | 124 | -15.65% | 117,481,716 | -22.52% | 19 | 3.04% | 46 | -17.86% | 31 | 6.90% |
| Jun 30, 2025 | 147 | -2.00% | 151,623,900 | 74.82% | 25 | 17.50% | 56 | -12.50% | 29 | 7.41% |
| Mar 31, 2025 | 150 | 14.50% | 86,731,176 | 8.56% | 12 | 7.29% | 64 | 20.75% | 27 | 50.00% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Vanguard Morn Total Stk Mkt Idx Investor | 1.18M | 2.25% | -252.80K |
| Vanguard Total Stock Mkt Idx Inv | 1.18M | 2.25% | -252.80K |
| Vanguard MStar Total Stk Mkt Idx Invest | 1.18M | 2.22% | - |
| iShares Russell 2000 ETF | 951.69K | 1.80% | -16.90K |
| Vanguard Institutional Extnd Mkt Idx Tr | 559.67K | 1.06% | - |
| iShares Russell 2000 Growth ETF | 361.52K | 0.68% | -3.31K |
| Russell 2000 Index Non-Lendable Fund | 257.34K | 0.49% | 257.34K |
| Russell 2000 Equity Index Fund B | 257.34K | 0.49% | 257.34K |
| Fidelity Extended Market Index | 245.53K | 0.46% | 60.73K |
| Schwab US Small-Cap ETF™ | 225.66K | 0.43% | - |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Aug 19, 2026 | ROEDER DOUGLAS A | - | Buy | $125.30K |
| May 12, 2026 | ROEDER DOUGLAS A | - | Buy | $126.13K |
| Mar 13, 2026 | ROEDER DOUGLAS A | - | Buy | $100.28K |
| Mar 13, 2026 | Goodnow Timothy T | President and CEO | Buy | $99.73K |
| Nov 10, 2025 | Steven Edelman | - | Buy | $65.50K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q3 | 1 | - |
| 2026 Q2 | 1 | - |
| 2026 Q1 | 2 | - |
| 2025 Q4 | 4 | - |
| 2025 Q3 | - | - |
SENS Ownership FAQ
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