Senseonics Holdings, Inc.
Ownership
Ownership Structure
Who owns Senseonics Holdings, Inc. (SENS)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 85.6% of the shares are freely tradable; institutional investors hold 23.7%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Sessa Capital, L.P | 8.39 | 4,437,532 | +151.3 | 06/30/2026 |
| BlackRock Inc | 5.28 | 2,793,558 | +391.2 | 06/30/2026 |
| Vanguard Capital Management, LLC | 3.37 | 1,779,398 | +10.0 | 06/30/2026 |
| Avidity Partners Management LP | 3.03 | 1,600,000 | +0.0 | 06/30/2026 |
| Sio Capital Management, LLC | 3.01 | 1,592,692 | +1,275.6 | 06/30/2026 |
| UBS Group AG | 2.81 | 1,487,429 | +231.8 | 06/30/2026 |
| Geode Capital Management, LLC | 2.14 | 1,132,210 | +142.7 | 06/30/2026 |
| Masters Capital Management LLC | 1.32 | 700,000 | +40.0 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard MStar Total Stk Mkt Idx Invest | 3.06 | 1,616,912 | +37.6 | 09/30/2026 |
| iShares Russell 2000 ETF | 1.79 | 947,879 | +0.0 | 10/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Roeder Douglas A | Director | 172,671 | 1,830,316 $ | Oct 1, 2026 | direct |
| Steven Edelman | Director | 92,375 | 979,175 $ | Oct 1, 2026 | direct |
| Fiorentino Edward | Director | 87,392 | 926,355 $ | Oct 1, 2026 | direct |
| Prince Douglas S | Director | 70,146 | 743,548 $ | Oct 1, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Oct 1, 2026 | Steven Edelman | Director | Other | 1,292 | 9.96 | 12,868 |
| Oct 1, 2026 | Prince Douglas S | Director | Other | 815 | 9.96 | 8,117 |
| Oct 1, 2026 | Fiorentino Edward | Director | Other | 1,418 | 9.96 | 14,123 |
| Oct 1, 2026 | Roeder Douglas A | Director | Other | 1,480 | 9.96 | 14,741 |
| Aug 19, 2026 | Roeder Douglas A | Director | Buy | 13,953 | 8.98 | 125,298 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: November 13, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.