Plug Power Inc (PLUG) Institutional Ownership

Ownership Summary

Plug Power Inc (NASDAQ:PLUG) is held by 442 institutional investors per 13F filings through December 2025.

• Their combined ownership stood at 56.1% of outstanding shares in December 2025, up from 46.2% in September 2025.
• They increased total shares held in PLUG by 26.27% quarter over quarter, and investors in Plug Power decreased 1.56% from a year ago.
• Activity in PLUG broke down as 229 buyers, 103 sellers, and 110 unchanged among 442 total holders.
• Altogether, these fund groups held 649.86Mn shares in PLUG by December 2025, up by 135.21Mn shares quarter on quarter, and up 163.98Mn shares year over year.
• BlackRock, Inc. leads ownership in PLUG with 152.09Mn shares as of December 31, 2025, equal to 13.13% of outstanding shares.
• The most significant purchases of PLUG for the quarter ending December 2025 came from VANGUARD CAPITAL MANAGEMENT LLC (62.55Mn), VANGUARD PORTFOLIO MANAGEMENT LLC (59.6Mn), BlackRock, Inc. (34.91Mn), D. E. Shaw & Co., Inc. (26.85Mn), UBS Group AG (16.12Mn).
• The biggest sellers of Plug Power for the quarter ending December 2025 included JANE STREET GROUP, LLC (11.08Mn), Morgan Stanley (8.96Mn), Goldman Sachs Group Inc (8.05Mn), Point72 Asset Management, L.P. (3.91Mn), Bank Of America Corp /De/ (3.54Mn).
• According to Business Quant data, leading holders of PLUG for December 2025 are BlackRock, Inc. (152.09Mn), VANGUARD CAPITAL MANAGEMENT LLC (62.55Mn), VANGUARD PORTFOLIO MANAGEMENT LLC (59.6Mn), D. E. Shaw & Co., Inc. (48.96Mn), UBS Group AG (41.59Mn), State Street Corp (36.55Mn), GEODE CAPITAL MANAGEMENT, LLC (34.71Mn), RENAISSANCE TECHNOLOGIES LLC (27.74Mn), TWO SIGMA INVESTMENTS, LP (27.4Mn), DIMENSIONAL FUND ADVISORS LP (18.13Mn).