Stocks › PLUG
PLUG POWER INC
PLUG·Nasdaq·
United States·USD
United States·USD$1.89
-0.01 (-0.53%)
Close · Oct 5, 2026 · Close Prices from Tiingo.com
PLUG
PLUG POWER INC · Nasdaq
Nasdaq 100S&P 500
Filings
Default90D1Y5YALL
PLUGS&P 500 (rebased)
Congress BuyCongress SellInsider BuyInsider SellForm 1448-K ResultsLobbying
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Daily closes, adjusted for splits and dividends · Close Prices from Tiingo.comHover a marker, every one is a filing · move across the line for the crosshair
Congressional Trades
Recent trades of PLUG by members of U.S. Congress · 37 on record
Whale Activity
Position changes in PLUG reported for 2026-06-30 by 10 tracked institutional filers
- Increased5
- New1
- Held0
- Decreased4
- Closed0
- No prior filing0
| Filer | Shares | Value | Change |
|---|---|---|---|
| BlackRock, Inc. | 184.0M | $498.7M | increased |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 66.2M | $179.3M | increased |
| VANGUARD CAPITAL MANAGEMENT LLC | 62.9M | $170.6M | increased |
| CITADEL ADVISORS LLC | 24.1M | $65.4M | increased |
| TWO SIGMA INVESTMENTS, LP | 22.6M | $61.3M | decreased |
| D. E. Shaw & Co., Inc. | 21.9M | $59.5M | decreased |
| MILLENNIUM MANAGEMENT LLC | 13.7M | $37.1M | increased |
| RENAISSANCE TECHNOLOGIES LLC | 11.8M | $31.9M | decreased |
| Point72 Asset Management, L.P. | 1.9M | $5.1M | decreased |
| Bridgewater Associates, LP | 137.8K | $373K | new |
KeyVex tracks a curated set of large 13F filers plus the largest positions in recent filings, so this is a sample of institutional activity, not the whole market.
Insider Trading
Net shares bought (+) or sold (−) on the open market by PLUG insiders, by quarter · Form 4
Recent Insider Transactions
1,400 transactions on record · newest first
| Insider | Type | Shares | Price | Value | Date | |
|---|---|---|---|---|---|---|
| Haycraft BenjaminCSO & GM EMEA | Sale | −200.0K | $2.14 | $428K | Sep 18, 2026 | Form 4 ↗ |
| Haycraft BenjaminCSO & GM EMEA | Sale | −18.8K | $2.06 | $39K | Sep 15, 2026 | Form 4 ↗ |
| Haycraft BenjaminCSO & GM EMEA | Sale | −13.8K | $2.14 | $30K | Sep 11, 2026 | Form 4 ↗ |
| MIDDLETON PAUL BCFO & Executive VP | Grant / award | +389.1K | $0.00 | $0 | Jun 25, 2026 | Form 4 ↗ |
| WILLIS GARY KDirector | Grant / award | +39.8K | $0.00 | $0 | Jun 11, 2026 | Form 4 ↗ |
| MCNAMEE GEORGE CDirector | Grant / award | +39.8K | $0.00 | $0 | Jun 11, 2026 | Form 4 ↗ |
| Kenausis GregoryDirector | Grant / award | +39.8K | $0.00 | $0 | Jun 11, 2026 | Form 4 ↗ |
| Joggerst PatrickDirector | Grant / award | +39.8K | $0.00 | $0 | Jun 11, 2026 | Form 4 ↗ |
| HELMER MAUREEN ODirector | Grant / award | +39.8K | $0.00 | $0 | Jun 11, 2026 | Form 4 ↗ |
| BONNEY MARK JDirector | Grant / award | +39.8K | $0.00 | $0 | Jun 11, 2026 | Form 4 ↗ |
| Angle Colin MDirector | Grant / award | +39.8K | $0.00 | $0 | Jun 11, 2026 | Form 4 ↗ |
| HELMER MAUREEN ODirector | Sale | −50.0K | $3.23 | $162K | Jun 8, 2026 | Form 4 ↗ |
| Kenausis GregoryDirector | Grant / award | +8,712 | $2.26 | $20K | Apr 1, 2026 | Form 4 ↗ |
| Mahtani KavitaDirector | Grant / award | +9,956 | $2.26 | $23K | Apr 1, 2026 | Form 4 ↗ |
| Angle Colin MDirector | Grant / award | +3,872 | $2.26 | $9K | Apr 1, 2026 | Form 4 ↗ |
| BONNEY MARK JDirector | Grant / award | +10.5K | $2.26 | $24K | Apr 1, 2026 | Form 4 ↗ |
| Joggerst PatrickDirector | Grant / award | +8,850 | $2.26 | $20K | Apr 1, 2026 | Form 4 ↗ |
| Marsh AndrewDirector | Grant / award | +3,688 | $2.26 | $8K | Apr 1, 2026 | Form 4 ↗ |
| Haycraft BenjaminCSO & GM EMEA | Sale | −40.0K | $2.17 | $87K | Jan 12, 2026 | Form 4 ↗ |
| MCNAMEE GEORGE CDirector | Grant / award | +13.0K | $1.97 | $26K | Jan 2, 2026 | Form 4 ↗ |
Fund Holders
Mutual funds and ETFs holding PLUG · SEC Form N-PORT
| Fund | Shares | Value | % of fund | As of |
|---|---|---|---|---|
| VANGUARD TOTAL STOCK MARKET INDEX FUND VANGUARD INDEX FUNDS | 44.4M | $120.2M | 0.01% | Jun 30, 2026 |
| iShares Russell 2000 ETF iShares Trust | 35.6M | $96.6M | 0.12% | Jun 30, 2026 |
| VANGUARD SMALL-CAP INDEX FUND VANGUARD INDEX FUNDS | 32.0M | $86.8M | 0.05% | Jun 30, 2026 |
| iShares Global Clean Energy ETF iShares Trust | 29.9M | $61.5M | 2.67% | Jul 31, 2026 |
| VANGUARD SMALL-CAP GROWTH INDEX FUND VANGUARD INDEX FUNDS | 18.4M | $50.0M | 0.11% | Jun 30, 2026 |
| VANGUARD EXTENDED MARKET INDEX FUND VANGUARD INDEX FUNDS | 16.0M | $43.4M | 0.04% | Jun 30, 2026 |
| iShares Russell 2000 Growth ETF iShares Trust | 12.6M | $34.1M | 0.22% | Jun 30, 2026 |
| Fidelity Small Cap Index Fund Fidelity Salem Street Trust | 15.0M | $30.8M | 0.09% | Jul 31, 2026 |
| Fidelity Extended Market Index Fund Fidelity Concord Street Trust | 7.2M | $28.3M | 0.07% | May 31, 2026 |
| VANGUARD RUSSELL 2000 INDEX FUND VANGUARD SCOTTSDALE FUNDS | 6.8M | $26.9M | 0.15% | May 31, 2026 |
Mutual funds and ETFs whose N-PORT filings list PLUG's shares (CUSIP 72919P202), each fund at its latest report since Mar 7, 2026, largest positions first. Bonds, options and short positions are left out.
Activist & Passive Stakes
Schedule 13D / 13G beneficial-ownership filings
- BlackRock, Inc.SCHEDULE 13G/A · passive (13G) · 178.1M shares12.8%
Jul 29, 2026 · ↗
Corporate Lobbying
Estimated quarterly lobbying spending reported under the LDA, filings naming plug power as client
- PLUG POWER INC.PLUG POWER, INC · 2026 Q2 · ENG, TAX, TAR$320K
Filing ↗ - CASCADE ASSOCIATESPLUG POWER · 2026 Q2 · ENG, TAX$30K
Filing ↗ - BRACEWELL LLPPLUG POWER, INC. · 2026 Q2 · TAX, ENG$60K
Filing ↗ - THE WASHINGTON TAX & PUBLIC POLICY GROUPPLUG POWER INC. · 2026 Q2 · TAX, ENG$40K
Filing ↗ - COVENANT GOVERNMENT AFFAIRS, LLCPLUG POWER, INC. · 2026 Q2 · ENG$50K
Filing ↗
Government Contracts
Federal awards to PLUG POWER INC · USAspending
No federal contract awards found for PLUG POWER INC.
U.S. Patents
Recent USPTO applications naming PLUG POWER INC
No USPTO patent applications found for PLUG POWER INC.
Annual Financials
From PLUG's 10-K filings · XBRL
No annual XBRL figures on record for PLUG. KeyVex's fundamentals cover about 130 large companies so far.
Stock Splits
Every split and reverse split in the price history
- 1-for-10Reverse splitMay 20, 2011
Split dates and ratios from the price history · Close Prices from Tiingo.com
Material Events (8-K)
Corporate events filed with the SEC
- 8-K · Items 5.02Officer / director changeSep 23, 2026
EDGAR ↗ - 8-K · Items 2.02, 9.01Results of operationsAug 10, 2026
EDGAR ↗ - 8-K · Items 1.01, 2.02, 7.01, 9.01Material agreement · Results of operations · Reg FD disclosureJul 13, 2026
EDGAR ↗ - 8-K · Items 5.07, 8.01Shareholder vote · Other eventsJun 15, 2026
EDGAR ↗ - 8-K · Items 7.01, 9.01Reg FD disclosureJun 11, 2026
EDGAR ↗ - 8-K · Items 5.02Officer / director changeJun 4, 2026
EDGAR ↗ - 8-K · Items 2.02, 9.01Results of operationsMay 11, 2026
EDGAR ↗
About PLUG POWER INC
From SEC EDGAR company records
Industry (SIC 3620)Electrical Industrial Apparatus
SectorTechnology
HeadquartersSLINGERLANDS, NY
IncorporatedDE
SEC CIK0001093691 ↗