SunPower Inc. (SPWR) Institutional Ownership

Ownership Summary

SunPower Inc. (NASDAQ:SPWR) currently has 13 active institutional owners and shareholders as of today (December 2025), that have filed 13F forms with the Securities Exchange Commission (SEC).

• Institutional ownership in SunPower edged down to 5.1% in December 2025, compared to 25.2% in September 2025.
• Quarterly data indicates a 22.35% shift in institutional share volume, and the annual owner count reflects a decrease of 58.06%.
• Of these 13 institutional investors, 8 increased their holdings in SunPower, while 3 of them reduced positions, and 2 investors maintained their exposure.
• The aggregate institutional position in SunPower now stands at 4.27Mn shares as of December 2025, after investors increased their holdings (up by 780.44K shares quarter on quarter which is down 5.81Mn shares year over year).
• VANGUARD GROUP INC's holding of 3.66Mn shares as of December 31, 2025 makes it the primary institutional investor in SunPower, owning 4.33% of the stock.
• Among the most significant buyers of SunPower during December 2025 were VANGUARD GROUP INC (519.33K), Mitsubishi UFJ Asset Management Co., Ltd. (376.28K), R Squared Ltd (12.24K), Diversify Advisory Services, LLC (4.24K), INTERNATIONAL ASSETS INVESTMENT MANAGEMENT, LLC (900).
• Leading sellers of SunPower stock in December 2025 included UBS Group AG (133.01K), WOLVERINE ASSET MANAGEMENT LLC (200), AMALGAMATED BANK (95).
• The top 10 institutional holders of SunPower for the quarter ending December 2025 included VANGUARD GROUP INC (3.66Mn), Mitsubishi UFJ Asset Management Co., Ltd. (376.28K), UBS Group AG (135.88K), R Squared Ltd (34.43K), TTP Investments, Inc. (30.13K), Diversify Advisory Services, LLC (14.82K), ORG Wealth Partners, LLC (12.00K), WOLVERINE ASSET MANAGEMENT LLC (2.04K), AMALGAMATED BANK (1.96K), INTERNATIONAL ASSETS INVESTMENT MANAGEMENT, LLC (900).