Plug Power Inc
PLUG- Exchange
- Nasdaq
- Industry
- Electrical Industrial Apparatus
- SEC CIK
- 0001093691
In the last 90 days, Plug Power Inc insiders filed 0 open-market purchases and 3 sales; 512 institutions reported holding it in 13F filings for Q2 2026, worth $2.20B in total; Coatue Management is the only superinvestor holding it.
Key figures
- Market capClose on Nov 13, 2026
- $1.55B
- Insider buysOpen market, last 90 days
- 0
- Insider sellsLast 90 days, $509.7K in total
- 3
- 13F holdersQ2 2026, +40 vs. previous quarter
- 512
- 13F valueReported value at the end of Q2 2026
- $2.20B
- Superinvestors holdingAt the end of Q2 2026
- 1
Price chart
Financials
See financial statementsFrom SEC filings, in USD.
- Revenue, FY2025
- $709.9M
- +12.9% year over year
- Net income, FY2025
- -$1.63B
- No comparable prior period
- Free cash flow, FY2025
- -$647.0M
- No comparable prior period
- Revenue, Q3 FY2026
- $200.6M
- +13.3% year over year
Short interest
See short dataFrom FINRA, settlement date Oct 30, 2026.
- Short interest
- 281.0M
- Shares sold short
- Change
- −11.0M
- −3.8% vs. previous
- Days to cover
- 6.19
- At average daily volume
Superinvestors holding PLUG, Q2 2026
Go to the superinvestors tab1 superinvestor reports holding Plug Power Inc on Form 13F. Percentages are the stock's share of each portfolio.
Coatue Management
Philippe Laffont
<0.1%
Plug Power Inc's share of the portfolio
- Shares
- 2,545,243
- Value
- $6.90M
Latest insider trades
See all insider tradesOpen-market purchases and sales by Plug Power Inc insiders from Form 4, newest first.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Oct 19, 2026 (view filing)4:29 PM ET | Oct 15 | 4 days | Haycraft BenjaminCSO & GM EMEA | SSale | −9.38K | $1.41 | −$13.2K | −9.3%91.9K after | 10b5-1 |
| Sep 22, 2026 (view filing)4:18 PM ET | Sep 18 | 4 days | Haycraft BenjaminCSO & GM EMEA | SSale | −200.0K | $2.14 | −$428.3K | −66.4%101.2K after | 10b5-1 |
| Sep 15, 2026 (view filing)4:26 PM ET | Sep 11-15 | 4 days | Haycraft BenjaminCSO & GM EMEA | SSale | −32.6K | $2.09 | −$68.2K | −9.8%301.2K after | 2 lots10b5-1 |
| Jun 10, 2026 (view filing) | Jun 8 | 2 days | Helmer Maureen ODirector | SSale | −50.0K | $3.23 | −$161.5K | −13.5%321.6K after | 10b5-1 |
| Jan 14, 2026 (view filing) | Jan 12 | 2 days | Haycraft BenjaminCSO & GM EMEA | SSale | −40.0K | $2.17 | −$86.8K | −10.7%333.8K after | 10b5-1 |
| Dec 17, 2025 (view filing) | Dec 15 | 2 days | Crespo Jose LuisSee Remarks | PPurchase | +37.3K | $2.34 | +$87.3K | +13.8%307.3K after | 10b5-1 |
| Dec 12, 2025 (view filing) | Oct 10-Dec 10 | 63 daysLate | Haycraft BenjaminCSO & GM EMEA | SSale | −50.0K | $2.52 | −$126.0K | −11.8%373.8K after | 2 lots10b5-1 |
| Nov 12, 2025 (view filing) | Nov 10 | 2 days | Haycraft BenjaminCSO & EVP of EMEA Region | SSale | −10.0K | $2.92 | −$29.2K | −2.1%467.6K after | 10b5-1 |
| Sep 18, 2025 (view filing) | Sep 16 | 2 days | Haycraft BenjaminCSO & GM of EMEA Region | SSale | −11.0K | $1.59 | −$17.4K | −2.2%477.6K after | |
| Jun 13, 2025 (view filing) | Jun 11 | 2 days | Crespo Jose LuisChief Revenue Officer | SSale | −37.3K | $1.32 | −$49.2K | −12.1%270.0K after | 10b5-1 |
Top 10 13F holders, Q2 2026
See all 512 holdersThe largest institutional positions in Plug Power Inc at the end of Q2 2026; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 184,032,469 | $498.7M | 0.01% | +31,939,194+21.0% | Added |
| Vanguard Portfolio Management LLC | 66,175,149 | $179.3M | 0.01% | +6,571,343+11.0% | Added |
| Vanguard Capital Management LLC | 62,937,084 | $170.6M | 0.00% | +386,646+0.6% | Added |
| State Street Corp | 38,763,529 | $105.0M | 0.00% | +2,214,427+6.1% | Added |
| Geode Capital Management, LLC | 36,557,253 | $99.1M | 0.01% | +1,848,436+5.3% | Added |
| UBS Group AG | 33,127,276 | $89.8M | 0.01% | −8,466,203−20.4% | Reduced |
| Citadel Advisors LLC | 24,149,952 | $65.4M | 0.04% | +23,291,268+2,712.4% | Added |
| Two Sigma Investments, LP | 22,610,124 | $61.3M | 0.05% | −4,785,812−17.5% | Reduced |
| D. E. Shaw & Co., Inc. | 21,943,120 | $59.5M | 0.04% | −27,015,380−55.2% | Reduced |
| Dimensional Fund Advisors LP | 19,502,331 | $52.8M | 0.01% | +1,367,418+7.5% | Added |
Holders of 5% or more of PLUG
See all 2 holders and filingsHolders whose latest Schedule 13D or 13G filing reports 5% or more of Plug Power Inc.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| BlackRock, Inc. | 13G/A | 12.80%178.1M shares | +2.30 ppfrom 10.50% | Jul 17, 20254 filings | Jul 29, 2026 | SEC |
| Vanguard Capital Management LLC | 13G | 5.23%73.0M shares | New | Apr 30, 20261 filing | Apr 30, 2026 | SEC |
Politician trades
All politician trades in PLUG4 members of Congress reported 17 trades in Plug Power Inc since 2020. Newest filings:
| Filed | Politician | Type | Amount |
|---|---|---|---|
| Aug 13, 2025 |  Austin Scott House · GA | Sell | $1K-$15K |
| May 19, 2023 |  Daniel S. Goldman House · NY | Buy | $15K-$50K |
| Apr 17, 2023 | Daniel S. Goldman House · NY | Sell | $15K-$50K |
| Feb 24, 2023 | Daniel S. Goldman House · NY | Buy | $15K-$50K |
| Dec 12, 2022 |  Chris Jacobs House · NY | Sell | $1K-$15K |
House · GA · Aug 13, 2025
Sell$1K-$15K
House · NY · May 19, 2023
Buy$15K-$50K
House · NY · Apr 17, 2023
Sell$15K-$50K
House · NY · Feb 24, 2023
Buy$15K-$50K
House · NY · Dec 12, 2022
Sell$1K-$15K