Senseonics Holdings, Inc. (SENS) Institutional Ownership

Ownership Summary

A total of 84 institutions have reported a stake in Senseonics Holdings, Inc. (NASDAQ:SENS) as of December 2025, according to recent 13F filings with the SEC.

• These investors collectively held 16.4% of the company's total shares outstanding in December 2025, down from 37.9% in September 2025.
• On a quarter-over-quarter basis, institutional holdings shifted by -25.21%, with a year-over-year a decrease of 31.71% in the count of filers.
• Of these 84 institutional investors, 80 increased their holdings in Senseonics Holdings, while 4 of them reduced positions, and 0 investors maintained their exposure.
• The total number of shares held by institutions in Senseonics Holdings decreased to 6.41Mn as of December 2025, a net change of down by 2.16Mn shares quarter on quarter, and up 2.41Mn shares year over year.
• VANGUARD GROUP INC's holding of 1.83Mn shares as of December 31, 2025 makes it the primary institutional investor in Senseonics Holdings, owning 4.69% of the stock.
• Among the most significant buyers of Senseonics Holdings during December 2025 were VANGUARD GROUP INC (1.83Mn), BlackRock, Inc. (594.76K), GEODE CAPITAL MANAGEMENT, LLC (468.38K), GOLDMAN SACHS GROUP INC (327.62K), MASTERS CAPITAL MANAGEMENT LLC (250.00K).
• Leading sellers of Senseonics Holdings stock in December 2025 included Hood River Capital Management LLC (8.13Mn), SBI Securities Co., Ltd. (1.58K), KEYNOTE FINANCIAL SERVICES LLC (254), PFIZER INC (0).
• The top 10 institutional holders of Senseonics Holdings for the quarter ending December 2025 included VANGUARD GROUP INC (1.83Mn), BlackRock, Inc. (594.76K), GEODE CAPITAL MANAGEMENT, LLC (468.38K), Hood River Capital Management LLC (421.03K), GOLDMAN SACHS GROUP INC (327.62K), MASTERS CAPITAL MANAGEMENT LLC (250.00K), CHARLES SCHWAB INVESTMENT MANAGEMENT INC (219.64K), UBS Group AG (212.95K), Schonfeld Strategic Advisors LLC (176.17K), STATE STREET CORP (166.98K).