Plug Power Inc (PLUG)
Industrials
Electrical Equipment & Parts
2.10 $
-1.4%
vs. previous close
Closing price · As of: 31. Jul 2026
Who owns Plug Power Inc (PLUG)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 95.4% of the shares are freely tradable; institutional investors hold 68.9%.
Ownership Structure
Institutional ownership
Share of the stock held by institutional investors (funds, banks, insurers) according to regulatory filings.
68.9%
Insiders
Share of the stock held by the executives, founders and major shareholders of the company itself.
4.5%
Float
Share of stock freely tradable on the market — not locked up in the hands of founders, insiders, or major shareholders.
95.4%
Short % of float
Shares sold short as a percentage of the freely tradable float — high values signal many bets on falling prices.
27.4%
Shares Outstanding
Total number of shares issued. Price times share count gives market cap.
1,395Mio.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 10.90 | 152,093,275 | +29.8 | 03/31/2026 |
| Vanguard Group Inc | 9.29 | 129,599,295 | +18.2 | 12/31/2025 |
| Vanguard Capital Management, LLC | 4.48 | 62,550,438 | +0.0 | 03/31/2026 |
| Vanguard Portfolio Management, LLC | 4.27 | 59,603,806 | +0.0 | 03/31/2026 |
| D. E. Shaw & Co LP | 3.51 | 48,958,500 | +121.4 | 03/31/2026 |
| UBS Group AG | 2.98 | 41,593,479 | +63.3 | 03/31/2026 |
| State Street Corp | 2.62 | 36,549,102 | +13.3 | 03/31/2026 |
| Geode Capital Management, LLC | 2.49 | 34,708,817 | +11.0 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| iShares Global Clean Engy Trns ETF $Dist | 3.38 | 47,146,011 | +0.0 | 05/29/2026 |
| Vanguard Total Stock Mkt Idx Inv | 3.20 | 44,665,799 | +0.3 | 04/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Data as of: July 31, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.