Senseonics
Develops implantable Eversense systems for long-term glucose monitoring in adults with diabetes.
$9.37
After-hours close+0.05 (+0.54%)
At close$9.32(−0.85%)
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Breakdown13F · Form 4
Institutions 20.97%8.76M sharesInsiders 7.25%3.03M sharesOther 71.78%30.00M shares
Shares outstanding 41.79M · Float 38.47M · 92.1% free float
Institutions13F, as of Mar 31, 2026
91 holders · 8.76M shares · 24 new positions · 42 increased · 21 reduced · 25 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| Sessa Capital Im, L.P. | 1.77M | 4.23% | +1.77Mnew | May 15, 2026 |
| Vanguard Capital Management LLC | 1.62M | 3.87% | +1.62Mnew | May 15, 2026 |
| BlackRock, Inc. | 568.7K | 1.36% | −26.0K | May 13, 2026 |
| Millennium Management LLC | 560.4K | 1.34% | +459.1K | May 15, 2026 |
| Masters Capital Management LLC | 500.0K | 1.20% | +250.0K | May 15, 2026 |
| Geode Capital Management, LLC | 466.5K | 1.12% | −1.9K | May 15, 2026 |
| Marshall Wace, LLP | 464.4K | 1.11% | +308.5K | May 15, 2026 |
| UBS Group AG | 448.2K | 1.07% | +235.3K | May 5, 2026 |
Beneficial owners13D/G · 5% or more, as filed
| Holder | % of class | Shares | Form | Filed |
|---|---|---|---|---|
| Sessa Capital IM, L.P. | 9.90% | 12.44M | 13G | Aug 14, 2026 ↗ |
| BlackRock, Inc. | 6.60% | 2.76M | 13G | Jul 30, 2026 ↗ |
| Robert J. Smith | 6.14% | 13G | Aug 8, 2025 ↗ |
InsidersForm 4
| Insider | Role | Shares | % outstanding | Filed |
|---|---|---|---|---|
| Timothy T. Goodnow | director, officer: President and CEO | 1.14M | 2.74% | Jun 17, 2026 |
| Mukul JAIN | officer: Chief Operating Officer | 500.9K | 1.20% | Jun 17, 2026 |
| Kenneth L. Horton | officer: GC & Corp. Development Advisor | 285.5K | 0.68% | Jun 17, 2026 |
| Frederick T. Sullivan | officer: Chief Financial Officer | 226.5K | 0.54% | Jun 17, 2026 |
| Francine Kaufman | director, officer: Chief Medical Officer | 177.1K | 0.42% | Jun 17, 2026 |
| Douglas A. Roeder | director | 171.2K | 0.41% | Aug 20, 2026 |
| Brian B. Hansen | director, officer: Chief Commercial Officer | 126.9K | 0.30% | Jun 17, 2026 |
| Stephen P. DeFalco | director | 111.0K | 0.27% | May 21, 2026 |
| Edelman Steven | director | 91.1K | 0.22% | Jul 2, 2026 |
| Edward Fiorentino | director | 86.0K | 0.21% | Jul 2, 2026 |
5 ten-percent owners hold 2.99M shares by Form 4, outside the officers-and-directors figure above · 6 people have not refiled in the last 18 months (171.5K shares), so they are not in the figure above
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| Aug 19, 2026 | Douglas A. Roederdirector | Purchase | 13,953 | $8.98 | 171,191 |
| May 12, 2026 | Douglas A. Roederdirector | Purchase | 22,686 | $5.56 | 144,635 |
| Mar 13, 2026 | Timothy T. Goodnowdirector, officer: President and CEO | Purchase | 17,225 | $5.79 | 651,243 |
| Mar 13, 2026 | Douglas A. Roederdirector | Purchase | 17,500 | $5.73 | 119,731 |
| Nov 10, 2025 | Edelman Stevendirector | Purchase | 10,000 | $6.55 | 74,708 |
| Nov 7, 2025 | Timothy T. Goodnowdirector, officer: President and CEO | Purchase | 17,210 | $5.87 | 661,085 |
| Nov 7, 2025 | Frederick T. Sullivanofficer: Chief Financial Officer | Purchase | 5,415 | $5.88 | 157,028 |
| Nov 7, 2025 | Douglas A. Roederdirector | Purchase | 15,000 | $5.83 | 99,727 |
CongressHouse and Senate disclosures
Not reported.