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Plug Power Inc. Shareholders: Ownership Structure, Brands, and Acquisition History

Last updated: Oct-2026
Public Founded 1997 HQ: Latham, New York, United States PLUG · Nasdaq Capital Market Hydrogen Fuel Cells and Electrolyzers · Industrials
Annual Revenue
$710M
FY 2025
Employees
2K
2025
Net Worth
$2.65B
Approx. 2025
Acquisitions
6
on record
Brands Owned
6
incl. subsidiaries
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Ownership Structure

BlackRock and Public Shareholders
Plug Power
Material Handling
Electrolyzers
Hydrogen Supply
Services

Ownership Analysis

No one controls Plug Power, and the voting rules have mattered more than any holder, as we see it. At its 2025 meeting about 84% of votes cast backed a larger share authorization, yet it failed, because the charter requires a majority of all outstanding shares and many individual owners never vote. The January 2026 special meeting needed an adjournment, from January 29 to February 5, before stockholders approved lifting authorized shares from 1.5 billion to 3 billion.The stakes of that vote were practical. At the end of 2025 the company had 1.39 billion shares outstanding against 1.5 billion authorized, leaving only about 110 million shares of headroom, or 7%. Without more authority Plug could not have issued shares to fund a company burning hundreds of millions of dollars a year. A separate charter proposal, to ease the vote needed in future, did not pass even with 514.7 million votes for and 32.0 million against. We think this describes a company whose owners are numerous and scattered, and whose largest single holder, BlackRock at 12.8%, is an index manager that votes by policy and does not organize other holders.Insiders hold just 0.61%, so management has no protective bloc. We note that Plug must keep persuading ordinary holders to vote, and we expect the next ballot to need the same effort. The 2026 annual meeting asked for 25 million more shares for the equity incentive plan, which would take the pool from 91.4 million to 116.4 million, and each such request will face the same turnout problem.Our view is that this structure has two edges for us as analysts. It keeps a determined activist from taking control cheaply, but it also leaves management dependent on retail goodwill during the weakest stretch in the company's history. We would not rely on any single ballot passing.

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Direct Owners

Public Shareholders100%
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Institutional Shareholders

2holders
BlackRock12.8%
Vanguard Capital Management5.2%

Shareholder Analysis

The share count tells us the story. Plug had 934.1 million shares at the end of 2024 and 1.39 billion a year later, an increase of 49% in twelve months, and 1.40 billion now. At a $2.65 billion market value, each share is worth about $1.89, and the accumulated deficit of about $8.7 billion is more than three times the whole market value of the company. Every holder's slice shrank sharply in a single year: a holder of 1% of the company at the start of 2025 owned about 0.67% by the end, because 49% more shares were outstanding.BlackRock's stake climbed from 10.5% in April to 12.8% by June 30, 2026, adding 31 million shares, and Vanguard reports 5.23%. We read BlackRock's buying as index mechanics following the larger share count, not a vote of confidence. Index funds hold the stock in proportion to its market weight, so they buy automatically as shares are issued. The institutions own 58.6%, which leaves, by our count, about 41% with individuals.We believe that retail base is both Plug's funding source and its risk, because enthusiasm for hydrogen can fade faster than the losses, which reached $1.63 billion in 2025. Individual investors supply much of the demand when the company sells shares at the market, and the company also has standby equity purchase agreements and $136 million of warrant liabilities that move with the share price.Raising the $275 million that management targets from asset sales, and not from stock, avoids issuing about 145 million shares at today's price, roughly 10% of the company. We think that is why management has been so visible in selling assets and why we regard those sales as dilution avoided as much as cash raised.

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Brands, Subsidiaries & Companies Owned

GenDriveGenEcoProGenGiner ELXUnited Hydrogen GroupReliOn
NameTypeDescription
GenDriveBrandHydrogen fuel cell power for forklifts and warehouse vehicles, with 1,666 units deployed in the second quarter of 2026
GenEcoBrandElectrolyzers that make hydrogen, including a 10 MW unit delivered to Galp's Sines refinery in 2025
ProGenBrandFuel cell engines for heavier duty vehicles, first shipped in 2017
Giner ELXSubsidiaryElectrolyzer stack maker in Newton, Massachusetts, bought in 2020
United Hydrogen GroupSubsidiaryHydrogen production and supply business bought in 2020
ReliOnSubsidiaryFuel cell business acquired in 2014 and based in Spokane, Washington

Portfolio Analysis

Plug sells hydrogen end to end, but only one product line works as a business today, in our view. GenDrive fuel cells for forklifts reached 1,666 deployed units in the second quarter of 2026, up 125%, and the company reports sustainable operating profitability in material handling services. We treat that as proof of the model: customers such as warehouse operators pay for uptime, and a fuel cell lets a forklift refuel in minutes instead of swapping batteries for hours. Services revenue grew 82% to about $30 million in the quarter at a 27% margin, helped by the GenCare maintenance program.GenEco electrolyzers carry the growth case, with a 10 MW unit delivered to Galp's Sines refinery in 2025, a 275 MW contract with Hy2gen for a project in Quebec and a 50 MW order from Orica for Australia. Giner ELX, bought in 2020 for $58 million, supplies the stack technology we consider central, since the stack is the core of an electrolyzer and owning it controls cost and performance. ProGen engines for heavier duty vehicles are a smaller line.The hydrogen supply side is capital heavy. United Hydrogen, bought in 2020 for $65 million, and the Georgia plant that began producing liquid green hydrogen in 2024 with 15 tons a day of capacity give Plug its own supply, which customers want but which ties up cash. Some of that capital is now being released: a Texas hydrogen project was sold to Stream for up to $76.5 million, and a New York site agreement was reported at $132.5 million.We would value the services line and the electrolyzer pipeline separately, because their economics differ so sharply. The services line earns recurring revenue at a margin that works today. The electrolyzer line depends on large, lumpy projects and customers' financing, and the DOE loan termination shows how fragile that financing can be.

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Market Share & Competitors

CompanyMarket ShareRevenueKey Strength
Plug Power ★N/A$709.9M FY2025Material handling fuel cell leadership
Bloom EnergyN/A$2.02B FY2025Solid oxide fuel cells for data centers
FuelCell EnergyN/A$158.2M FY2025Carbonate fuel cell power plants
Ballard Power SystemsN/A$99.4M FY2025Heavy duty mobility fuel cells

Competitive Analysis

Bloom Energy booked $2.02 billion of revenue in 2025, nearly three times Plug's $709.9 million, and grew 37% against Plug's 12.9%. FuelCell Energy at $158 million grew 41% and Ballard at $99 million grew 42.5%, so Plug grew more slowly than every peer we track. Plug is still more than seven times the size of Ballard, and scale is a real advantage in forklifts, where it has an established base of customers.We see Plug's problem as cost, not demand: it lost $242.0 million at the gross level in 2025, then posted a first positive quarter at a 2.4% margin in the fourth quarter. Second quarter 2026 gross loss narrowed to $1.7 million from $53.5 million, about breakeven, though a $37 million contract settlement recovery and a $14.7 million tariff related inventory adjustment helped the quarter, so we treat breakeven as less secure than it looks.Cash is the constraint, and we watch it first. Unrestricted cash of $162 million and quarterly net cash use of $61 million give us about 2.7 quarters of runway before the $275 million asset monetization, of which $52 million has been collected. The Department of Energy terminated its $1.66 billion loan guarantee on August 4, 2026, which removed the cheapest financing Plug had. Management still projects enough capital for the next 12 months.Bloom shows what a better funded rival can do, with large orders tied to data center power. Plug is trying to benefit from the same market by selling its New York and Texas sites to data center companies. We would not call the recovery proven until margins stay positive, and we would want to see gross margin hold above zero for at least two quarters without one time help.

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Acquisitions

Company AcquiredDeal ValueYearDescription
United Hydrogen Group$65M2020Hydrogen production and supply company paid for with stock, loan forgiveness and assumed debt
Giner ELX$58M2020Electrolyzer technology paid for with $25M cash, $17M stock and $16M of future earnings
Joule Processingundisclosed2022Hydrogen processing and fueling business
ReliOnundisclosed2014Fuel cell maker in Spokane, Washington
American Fuel Cellundisclosed2018Fuel cell components business in Rochester, New York
Cellex and General Hydrogenundisclosed2007Fuel cell developers acquired as Plug entered material handling

Acquisitions Analysis

Plug paid $123 million for its two 2020 deals, $65 million for United Hydrogen in stock, loan forgiveness and assumed debt, and $58 million for Giner ELX, of which $25 million was cash, $17 million stock and $16 million a future earnout. We think the structure matters: most of the price was shares or contingent payments, so Plug conserved cash while it could still raise capital cheaply. The cash portion was only $25 million, about 5% of the $535.8 million the company used in operations in 2025.The deals aimed to make Plug a producer of green hydrogen and its own electrolyzer supplier, so that it could sell customers hydrogen and equipment together. Earlier purchases pointed the same way: Cellex and General Hydrogen in 2007, ReliOn in 2014, American Fuel Cell in 2018 and Joule Processing in 2022, mostly at undisclosed prices. The pattern is steady vertical integration, from fuel cell components up to hydrogen supply.The 2025 impairment charge of $785.4 million is more than six times the combined price of the two 2020 deals, which tells us the bigger risk to shareholders came from building capacity rather than buying businesses. The impairments reflect plants and projects built or planned for demand that arrived slowly. Our reading is that the acquisitions gave Plug capabilities and the building programs consumed the capital.Today the acquisition window is closed in practice. With cash of $162 million, a $275 million asset sale program and no access to the DOE loan, Plug is selling assets, not buying. We would judge any new deal by whether it adds revenue within a year, and our bar is high. If a transaction occurs, we expect it to be small, paid mainly in stock, and aimed at services or technology, as in the 2020 pattern.

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Acquisition Timeline

2007
AcquisitionAcquired Cellex and General Hydrogen
2014
AcquisitionAcquired ReliOn
2018
AcquisitionAcquired American Fuel Cell
2020
AcquisitionAcquired United Hydrogen for $65M and Giner ELX for $58M
2022
AcquisitionAcquired Joule Processing
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Merger & Spin-off History

1997
MergerFounded as a joint venture of DTE Energy and Mechanical Technology Inc
2007
MergerAcquired Cellex and General Hydrogen
2020
MergerAcquired United Hydrogen for $65M and Giner ELX for $58M
2026
MergerAgreed a $132.5M transaction with Stream Data Centers involving its Project Gateway site in New York

Merger & Spin-off Analysis

Plug has grown more by raising capital than by combining with others. Its 1997 start as a joint venture of DTE Energy and Mechanical Technology began with fuel cells. The 2007 purchases of Cellex and General Hydrogen and the 2020 deals for United Hydrogen and Giner ELX extended it into hydrogen supply and electrolyzers. We read these as steps from a component maker toward a full hydrogen provider, and the 2021 partnership with Renault extended the idea to vehicles.The most recent moves point the other way. A $132.5 million agreement involving the Project Gateway site in New York, the sale of a Texas hydrogen project to Stream for up to $76.5 million, and a $40 million sale of high-voltage infrastructure to a data center provider convert development assets into cash. We note that the buyers are data center companies, which tells us Plug's land, power connections and permits are worth more to them than the hydrogen plants they were meant to host.We read this as a sign management now values liquidity above building new projects. The scale confirms it: $275 million of targeted monetization is roughly 10% of the company's market value, and it is meant to cover several quarters of operating cash use. Our view is that Plug is shifting from expansion to survival until gross margins hold, and the $275 million monetization plan confirms it for us.For anyone judging the company's history of transactions, the contrast is clear. The early deals bought technology at low prices, the middle years built plants financed by share sales, and the current phase sells those plants. We would expect the next chapter to depend on whether the electrolyzer business wins projects without Plug having to build the hydrogen supply itself.

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Ownership History

1997
Formed as a joint venture of DTE Energy and Mechanical Technology Inc
1999
IPOIPO on Nasdaq in October
2021
SK Group invested $1.5B for about 10% of Plug
2025
Shares outstanding rose from 934.1M to 1.39B
2026
Stockholders approved doubling authorized shares from 1.5B to 3B after a special meeting adjourned from January 29 to February 5
2026
BlackRock reported 12.8% at June 30, up from 10.5% in April

Ownership History Analysis

Plug started in 1997 as a joint venture of DTE Energy and Mechanical Technology and listed on Nasdaq in October 1999. The next big ownership event came in 2021, when SK Group invested $1.5 billion for about 10%, a rare case of a strategic anchor buying a large block at a high point for hydrogen enthusiasm. The filings we reviewed do not show a large SK stake today, so we assume that anchor has faded into the broader base.Since then we have watched dilution: shares rose 49% in 2025 alone, from 934.1 million to 1.39 billion, and stockholders approved doubling the authorized count to 3 billion in 2026. The history of that approval is itself a chapter in ownership. In 2025 about 84% of votes cast supported the increase, yet it failed under the charter's majority of outstanding shares rule. The company then spent weeks soliciting retail holders, with a town hall on February 2, and won the vote at the adjourned meeting in early February.BlackRock has built a 12.8% stake as the share count expanded, up from 10.5% two months earlier, and Vanguard holds 5.23%. Our takeaway is that ownership has shifted from a strategic anchor with one large sponsor to a broad, index heavy base that cannot protect per share value on its own. Nobody in that base has the incentive to organize a rescue.The consequence is that management's main audience is a scattered group of retail and index holders. We would want to see the share count stabilize before we gave credit to any profit target. A year in which the count rises by under 10% would tell us the self funding plan is working, and a year like 2025, with 49% more shares, would tell us it is not.

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Ownership Explained

Plug Power Inc. is a publicly traded hydrogen company based in Latham, New York, with no controlling shareholder. About 1.40 billion shares are outstanding, and at a market value of about $2.65 billion the stock trades near $1.89 a share. Institutions hold about 58.6% of the shares and insiders about 0.61%, which leaves roughly 40% with individual investors.The two large disclosed holders are index fund managers. BlackRock reported 178.1 million shares, or 12.8%, at June 30, 2026, up from 147.0 million shares, or 10.5%, in an April filing. Vanguard Capital Management reported 73.0 million shares, or 5.23%, at March 31, 2026. No other holder appeared above 5% in the filings we reviewed.The company began in 1997 as a joint venture of DTE Energy and Mechanical Technology Inc and went public on Nasdaq in October 1999. In 2021 SK Group invested $1.5 billion for about 10% of the company, and in the same year Plug signed a partnership with Renault. Jose Luis Crespo became chief executive officer on March 2, 2026, after serving as president from October 2025, and Andrew Marsh, the long time chief executive, serves as chairman.Plug makes and services hydrogen fuel cells for forklifts and warehouse vehicles under the GenDrive name, builds electrolyzers that produce hydrogen under the GenEco name, and produces and supplies hydrogen itself. In 2025 it reported revenue of $709.9 million and a net loss of $1.63 billion, including $785.4 million of impairment charges.The share count is the defining ownership fact. Plug had 934.1 million shares at the end of 2024 and 1.39 billion a year later, an increase of 49%, as it sold stock to fund losses. Stockholders approved raising the authorized share limit from 1.5 billion to 3 billion in early 2026 after a special meeting that was adjourned from January 29 to February 5. The company uses at-the-market offerings and standby equity purchase agreements to raise equity.

For customers, the ownership picture means they deal with a supplier that has no anchor owner and has financed itself repeatedly by selling shares and assets. Large warehouse operators such as the retailers and distributors that use GenDrive fuel cells rely on Plug for the hydrogen as well as the equipment, so supplier stability matters. The company reports that its material handling services business has reached sustainable operating profitability, and second quarter 2026 services revenue grew 82% to about $30 million at a 27% margin, both of which support customer confidence. Deployments of GenDrive units more than doubled to 1,666 in the quarter.For employees, the company employed 2,344 people at the end of 2025 and has gone through a cost restructuring called Project Quantum Leap, which cut operating expenses by about half in the second quarter of 2026 compared with a year earlier. Workforce reductions and facility consolidation were part of the plan, and employees are working for a company whose own targets are positive EBITDAS in the fourth quarter of 2026, positive operating income by the end of 2027 and profitability in 2028.For investors, the stock carries large dilution risk and large option value. The accumulated deficit is about $8.7 billion, unrestricted cash fell to $162 million at the end of June 2026 from $368.5 million at the end of 2025, and the U.S. Department of Energy terminated a $1.66 billion loan guarantee on August 4, 2026. Plug is raising at least $275 million from asset sales, with $52 million collected by late August. The charter requires a majority of all outstanding shares to approve major changes, and many individual holders do not vote, which makes each vote a real effort.Management raised 2026 revenue growth guidance to 15% to 16%. Investors who believe in hydrogen demand hold the shares for that upside, while those who do not face the risk that further share issuance dilutes each holder's stake further.