PLUG: PLUG POWER INC insider trading, 5% holders and institutional ownership
From public SEC filings: open-market insider purchases and sales (Form 4, last 180 days), holders of 5% or more (Schedules 13D and 13G) and institutional ownership (Form 13F). Insider and 5% data delayed 48 hours.
Insider trading
0 open-market buys totaling - and 1 sales totaling $13K in the last 180 days.
Insider sales
| Trade date | Insider | Role | Value | 10b5-1 plan |
|---|---|---|---|---|
| 2026-10-15 | Haycraft Benjamin | Officer | $13K | yes |
Activist and 5% holders
| Filed | What | Holder | Stake | Change | Filing |
|---|---|---|---|---|---|
| 2026-07-29 | 13G amendment | BlackRock, Inc. | 12.80% | SEC |
Institutional ownership (Q2 2026)
512 institutions reported holding $2.12B of PLUG POWER INC on Form 13F (475 the quarter before). 79 opened a new position and 45 sold out. Shares held by institutions: +8%.
| Largest holders | Shares | Value |
|---|---|---|
| BlackRock, Inc. | 184,032,469 | $498.73M |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 66,175,149 | $179.33M |
| VANGUARD CAPITAL MANAGEMENT LLC | 62,937,084 | $170.56M |
| STATE STREET CORP | 38,763,529 | $105.05M |
| GEODE CAPITAL MANAGEMENT, LLC | 36,557,253 | $99.09M |
| UBS Group AG | 33,127,276 | $89.77M |
| CITADEL ADVISORS LLC | 24,149,952 | $65.45M |
| TWO SIGMA INVESTMENTS, LP | 22,610,124 | $61.27M |
| D. E. Shaw & Co., Inc. | 21,943,120 | $59.47M |
| DIMENSIONAL FUND ADVISORS LP | 19,502,331 | $52.84M |
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