Senseonics HoldingsSENS
13F holders, Q1 2026 (March 31)At the end of Q1 2026, 85 institutions reported holding Senseonics Holdings Inc. (SENS) in their 13F filings, unchanged from Q4 2025. 21 opened new positions and 22 sold out. The largest holders were Sessa Capital IM, L.P. ($11.8M), Vanguard Capital Management LLC ($10.8M) and BlackRock, Inc. ($3.8M). 2 famous investors held it, including Israel Englander (0.0% of Millennium Management's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Senseonics Holdings Inc.
- CUSIP
- 81727U303
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 21 | $13.7M |
| Exits | 22 | $3.7M |
All 13F filers, Q4 2025 → Q1 2026: 3,564,737 shares bought and 1,460,947 shares sold, net +2,103,790 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 85 holders
| Sessa Capital IM, L.P. | 0.22% | New | 1,766,093 | $11.8M |
| Vanguard Capital Management LLC | 0.00% | — | 1,617,197 | $10.8M |
| BlackRock, Inc. | 0.00% | Reduce -4.4% | 568,729 | $3.8M |
| Millennium Management | 0.00% | Add +453.3% | 560,371 | $3.7M |
| Masters Capital Management LLC | 0.49% | Add +100.0% | 500,000 | $3.3M |
| Geode Capital Management, LLC | 0.00% | Reduce -0.4% | 466,515 | $3.1M |
| Marshall Wace, LLP | 0.00% | Add +197.9% | 464,375 | $3.1M |
| UBS Group AG | 0.00% | Add +110.5% | 448,229 | $3.0M |
| Susquehanna International Group, LLP | 0.00% | Add +64.6% | 230,538 | $1.5M |
| Vanguard Fiduciary Trust Co. | 0.00% | — | 225,167 | $1.5M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +0.7% | 221,177 | $1.5M |
| Hood River Capital Management LLC | 0.01% | Reduce -55.7% | 186,426 | $1.2M |
| State Street Corp. | 0.00% | Add +8.0% | 180,281 | $1.2M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -55.4% | 146,282 | $974K |
| Morgan Stanley | 0.00% | Add +92.5% | 123,943 | $825K |
| Sio Capital Management, LLC | 0.11% | No change | 115,784 | $771K |
| Deutsche Bank AG | 0.00% | No change | 84,177 | $561K |
| Northern Trust Corp. | 0.00% | Reduce -0.4% | 82,277 | $548K |
| Citadel Advisors | 0.00% | New | 77,162 | $514K |
| Bank of America Corp. | 0.00% | Add +126.8% | 56,964 | $379K |
| Bridgeway Capital Management, LLC | 0.01% | New | 49,600 | $330K |
| Sei Investments Co. | 0.00% | Reduce -52.0% | 49,592 | $330K |
| GMT Capital Corp | 0.01% | No change | 36,468 | $243K |
| Jain Global LLC | 0.00% | Add +125.6% | 35,926 | $239K |
| Tocqueville Asset Management L.P. | 0.00% | New | 33,500 | $223K |
| OMERS ADMINISTRATION Corp | 0.00% | Reduce -45.5% | 31,000 | $206K |
| Dimensional Fund Advisors LP | 0.00% | Reduce -4.9% | 27,651 | $184K |
| Jefferies Financial Group Inc. | 0.00% | Add +83.2% | 27,132 | $181K |
| Pathstone Holdings, LLC | 0.00% | No change | 25,000 | $167K |
| Centiva Capital, LP | 0.01% | New | 24,662 | $164K |
| Symmetry Partners, LLC | 0.01% | Add +3.7% | 24,259 | $162K |
| Hudson Bay Capital Management LP | 0.00% | Add +52.0% | 23,476 | $156K |
| Squarepoint Ops LLC | 0.00% | Reduce -63.5% | 20,634 | $137K |
| Schonfeld Strategic Advisors LLC | 0.00% | Reduce -88.4% | 20,412 | $136K |
| T. Rowe Price Associates Inc. | 0.00% | No change | 18,900 | $126K |
| LPL Financial LLC | 0.00% | New | 15,818 | $105K |
| Vanguard Global Advisers, LLC | 0.00% | — | 15,568 | $104K |
| Catalyst Funds Management Pty Ltd | 0.02% | New | 15,300 | $102K |
| FMR LLC | 0.00% | Add +2343.8% | 14,736 | $98K |
| Susquehanna Portfolio Strategies, LLC | 0.00% | New | 14,045 | $94K |
| Captrust Financial Advisors | 0.00% | No change | 13,975 | $93K |
| Diametric Capital, LP | 0.02% | New | 13,412 | $89K |
| Brevan Howard Capital Management LP | 0.00% | New | 13,097 | $87K |
| Cetera Investment Advisers | 0.00% | New | 12,694 | $85K |
| Townsend Asset Management Corp. /NC/ | 0.03% | No change | 10,928 | $73K |
| Two Sigma Securities, LLC | 0.01% | New | 10,220 | $68K |
| Kestra Advisory Services, LLC | 0.00% | New | 10,186 | $68K |
| Quantbot Technologies LP | 0.00% | Reduce -74.6% | 6,240 | $42K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -66.2% | 4,824 | $32K |
| Group One Trading LLC | 0.00% | Add +73.7% | 4,569 | $30K |
| Royal Bank of Canada | 0.00% | Add +1.7% | 4,542 | $29K |
| Osaic Holdings, Inc. | 0.00% | Reduce -24.4% | 1,903 | $13K |
| Tidemark, LLC | 0.00% | No change | 1,583 | $11K |
| Wells Fargo & Company | 0.00% | Reduce -0.1% | 1,424 | $9K |
| IFP Advisors, Inc | 0.00% | No change | 1,125 | $7K |
| Tsfg, LLC | 0.00% | No change | 1,125 | $7K |
| NFSG Corp | 0.00% | No change | 920 | $6K |
| Parallel Advisors, LLC | 0.00% | New | 917 | $6K |
| Cassaday & Co Wealth Management LLC | 0.00% | New | 760 | $5K |
| Barclays PLC | 0.00% | Reduce -98.3% | 638 | $4K |
| Rockefeller Capital Management L.P. | 0.00% | No change | 540 | $4K |
| Allworth Financial LP | 0.00% | Reduce -86.1% | 201 | $1K |
| PlanVest Financial, Inc | 0.00% | — | 186 | $1K |
| Cwm, LLC | 0.00% | Add +50.0% | 150 | $999 |
| Harbour Investments, Inc. | 0.00% | New | 144 | $959 |
| EverSource Wealth Advisors, LLC | 0.00% | New | 141 | $939 |
| Smartleaf Asset Management LLC | 0.00% | No change | 150 | $927 |
| City State Bank | 0.00% | No change | 138 | $919 |
| NewEdge Advisors, LLC | 0.00% | No change | 100 | $666 |
| Federation des caisses Desjardins du Quebec | 0.00% | No change | 100 | $666 |
| National Bank of Canada | 0.00% | Reduce -63.6% | 100 | $661 |
| SBI Securities Co., Ltd. | 0.00% | Reduce -6.0% | 78 | $519 |
| Truvestments Capital LLC | 0.00% | No change | 50 | $333 |
| Signaturefd, LLC | 0.00% | No change | 50 | $333 |
| McIlrath & Eck, LLC | 0.00% | No change | 50 | $333 |
| International Assets Investment Management, LLC | 0.00% | No change | 50 | $333 |
| Citigroup Inc. | 0.00% | Reduce -99.3% | 49 | $326 |
| BNP Paribas Financial Markets | 0.00% | No change | 42 | $280 |
| Root Financial Partners, LLC | 0.00% | No change | 38 | $253 |
| YANKCOM Partnership | 0.00% | No change | 22 | $147 |
| Advisory Services Network, LLC | 0.00% | New | 16 | $107 |
| Gill Capital Partners, LLC | 0.00% | New | 10 | $67 |
| Russell Investments Group, Ltd. | 0.00% | New | 7 | $47 |
| Bogart Wealth, LLC | 0.00% | New | 3 | $20 |
| Pinnacle Wealth Planning Services, Inc. | 0.00% | No change | 2 | $13 |
"% of holder's portfolio" is SENS's weight in each manager's 13F, not the share of Senseonics Holdings Inc. the manager owns.