Plug Power Inc. (PLUG) ownership: Top institutional holder: BlackRock, Inc. ($343.73M). Insider activity: Net Seller (0 buys, 20 sells). 7 recent congressional STOCK Act disclosures. SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| BlackRock, Inc. | 152093275.00 | $343.73M | 2026-03-31 |
| VANGUARD GROUP INC | 129599295.00 | $255.31M | 2025-12-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 62550438.00 | $141.36M | 2026-03-31 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 59603806.00 | $134.70M | 2026-03-31 |
| D. E. Shaw & Co., Inc. | 48958500.00 | $110.65M | 2026-03-31 |
| NORGES BANK | 71788363.00 | $96.91M | 2025-03-31 |
| UBS Group AG | 41593479.00 | $94.00M | 2026-03-31 |
| STATE STREET CORP | 36549102.00 | $82.60M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-06-11 | |
| Sell | null | 2026-06-11 | |
| Sell | null | 2026-06-11 | |
| Sell | null | 2026-06-11 | |
| Sell | null | 2026-06-11 | |
| Sell | null | 2026-06-11 | |
| Sell | null | 2026-06-11 | |
| Sell | null | 2026-06-11 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.