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 Power by 26.27% from the prior quarter, while the number of investors in PLUG decreased 1.56% year over year.
• Of these 442 funds, 229 grew their exposure to Plug Power, 103 cut back, and 110 maintained positions.
• Institutional investors collectively held 649.86Mn shares in Plug Power as of December 2025, up by 135.21Mn shares quarter on quarter, and up 163.98Mn shares year over year.
• As of December 31, 2025, BlackRock, Inc. held the largest stake in Plug Power with 152.09Mn shares, accounting for 13.13% of total shares outstanding.
• The biggest buyers of Plug Power for the quarter ending December 2025 included 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 largest sales of PLUG for the quarter ending December 2025 came from 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).
• Business Quant data shows the 10 biggest positions in Plug Power as of December 2025 are held by 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).