Companies: 10,795·Total market cap: $144.5T
Plug Power Inc.

Plug Power Inc.

PLUGNASDAQIndustrials● Active
$3.22
$-0.39(-10.69%)
Market Cap$3.7B
P/E Ratio—
52W High$4.58
52W Low$0.86
Shares OutstandingFinancialsRevenue

Plug Power Inc. (PLUG) Shares Outstanding — Overview

Basic and diluted weighted average shares, YoY change, float context, and historical trend from SEC filings and FMP.

PLUG · shares outstanding · updated Jun 8, 2026

Key metrics

Basic Shares Outstanding · Weighted average · fiscal year
1.159B▲ +34.96% YoY Change
FY · as of Dec 31, 2025 · Reported in USD
vs 858.4M in FY 2024
Diluted Shares Outstanding
1.159B
incl. options, RSUs, convertibles
Dilution Spread
+0.00%
Diluted vs Basic
YoY Change
+34.96%
year-over-year
Float (Free Float)
1.087B
publicly tradable shares
94.7% of total
Source: FMP /income-statement · /shares-float · SEC 10-K / 10-QUpdated: 2026-06-08

Shares Outstanding Growth Rate

3-Year CAGRincreasing
+26.0%
2022 → 2025
5-Year CAGRincreasing
+26.7%
2020 → 2025
10-Year CAGRincreasing
+20.7%
2015 → 2025
ⓘ

Negative CAGR typically indicates share buyback or retirement activity. Interpret alongside Splits and Financials tabs. Splits / Financials

Shares outstanding history

↓ Decrease — typically buyback / retirement
↑ Increase — issuance / equity compensation
Latest
* most recent reported · FMP /income-statement · weightedAverageShsOut

Annual shares outstanding by year

FY 2025Latest
Diluted Shares: 1.159B
1.159B
+34.96%
FY 2024
Diluted Shares: 858.4M
858.4M
+44.16%
FY 2023
Diluted Shares: 595.5M
595.5M
+2.72%
FY 2022
Diluted Shares: 579.7M
579.7M
+3.86%
FY 2021
Diluted Shares: 558.2M
558.2M
+57.33%
FMP /income-statement · weightedAverageShsOut · weightedAverageShsOutDilUnit: Billions (B)

Industrials sector shares outstanding comparison

Shares Outstanding for similar companies or competitors in the Industrials sector.

#SymbolCompanyShares (Basic)vs PLUG
#1
RTX CorporationRTX
RTX Corporation
1.341B+15.8%
#2
Plug Power Inc.PLUG
Plug Power Inc.YOU
1.159B—
#3
GE AerospaceGE
GE Aerospace
1.067B-7.9%
#4
The Boeing CompanyBA
The Boeing Company
762.3M-34.2%
#5
Union Pacific CorporationUNP
Union Pacific Corporation
592.5M-48.9%
#6
Caterpillar Inc.CAT
Caterpillar Inc.
466.5M-59.7%
#7
Deere & CompanyDE
Deere & Company
270.9M-76.6%

/company-screener · per-peer /income-statement · cache 86400s

Understanding Shares Outstanding

What Are Shares Outstanding? (Basic)

Plug Power Inc. (PLUG) shares outstanding is the total number of issued shares held by shareholders — the basis for Basic EPS and market capitalization. As of December 31, 2025, Plug Power Inc. reports 1.159B basic shares outstanding (weighted average).

Basic vs. Diluted Shares Outstanding

Plug Power Inc.'s basic shares outstanding (1.159B) represents currently issued shares. Diluted shares outstanding (1.159B) also includes potential shares from stock options, RSUs, and convertibles. Dilution spread: +0.00%.

Shares Outstanding vs. Float (Free Float)

Plug Power Inc.'s float is 1.087B (94.7% of total shares outstanding) — shares freely available for public trading, excluding insider-held and restricted shares.

Float1.087B(94.7%)
Outstanding1.147B

ⓘ Float data from /shares-float reflects the most recent SEC filing period-end. The weighted average shares (from /income-statement) may differ — this is a normal reporting window difference, not a data error.

FMP /income-statement · /shares-float · SEC EDGAR · USD

About shares outstanding & methodology

Plug Power Inc. (PLUG) shares outstanding history from 2006 to 2025. Shares outstanding can be defined as the total number of shares held by all shareholders — including institutional investors, retail investors, and company insiders — assuming conversion of all convertible debt, securities, warrants, and options. This metric excludes the company's treasury shares.

Plug Power Inc. shares outstanding for the fiscal year ending December 31, 2025 were 1.159B, a 34.96% increase year-over-year. Plug Power Inc. FY 2025 shares outstanding were 1.159B, a +34.96% increase from FY 2024.

Plug Power Inc. is a leading company operating in the Industrials sector. The company's share count trajectory — with a 10-year CAGR of +20.7% — is a key signal for investors evaluating capital return policy, EPS accretion, and long-term shareholder value creation.

Figures tie to SEC 10-K/10-Q income statement disclosures and FMP /income-statement · /shares-float where noted.
Market capSplitsEarningsFinancials (Income)Cash on handFree cash flowNet incomePrice history

Frequently asked questions

PLUG shares outstanding · 4 questions

As of December 31, 2025, Plug Power Inc. (PLUG) has approximately 1.159B basic shares outstanding and 1.159B diluted shares outstanding. This represents a +34.96% year-over-year increase from FY 2024 (858.4M). The increase may reflect equity compensation issuances or secondary offerings.

PLUG shares outstandinghow many shares does PLUG havePLUG basic shares 2025PLUG diluted shares

▸ Data: FMP /income-statement · /shares-float · SEC EDGAR · weighted average basis · Plug Power Inc. SEC 10-K & 10-Q filings · US GAAP · Last updated: 2026-06-08