FCEL Market Cap History — FuelCell Energy Capitalization Over Time

As of 6/4/2026 FuelCell Energy has a market cap of 1.45 billion. Investors often follow the FCEL market cap history to compare the size of the company over time.

This page shows FCEL market capitalization trends over time, with 45 market cap datapoints presented, dating back to 12/4/2015.

Quick links: Market Cap History Table  |  Market Cap History Chart  |  About FuelCell Energy
FCEL Market Cap History



Below is a table of the FCEL market cap history going back to 12/4/2015:

Date FCEL Market Cap
12/4/2015204.66M
12/31/2015131.90M
3/4/2016185.19M
6/6/2016270.23M
9/6/2016178.10M
1/3/201772.48M
3/6/201767.11M
6/6/201761.36M
9/6/201792.23M
1/2/2018131.68M
3/2/2018137.14M
6/1/2018165.91M
9/4/2018106.41M
1/4/201958.18M
3/4/201963.45M
5/9/201917.70M
6/13/201911.79M
9/6/201950.37M
1/14/2020438.81M
3/11/2020310.12M
6/5/2020552.97M
9/3/2020581.68M
1/15/20215.11B
3/12/20215.86B
6/4/20213.22B
9/10/20212.05B
12/23/20212.37B
3/8/20222.31B
6/7/20221.64B
9/2/20221.60B
12/14/20221.51B
3/3/20231.41B
6/2/2023907.08M
9/5/2023648.90M
12/14/2023704.81M
3/1/2024560.31M
6/5/2024477.16M
9/3/2024211.28M
12/23/2024228.63M
3/5/2025129.19M
6/2/2025112.59M
9/5/2025130.80M
12/15/2025399.08M
3/4/2026454.02M
6/4/20261.45B

Also see: FCEL Shares Outstanding History
and FCEL YTD Return
FCEL Historical Market Cap:
+20.47% CAGR
FCEL Historical Market Cap: +20.47% CAGR

Mouse over chart for data details
12/4/2015 ...6/4/2026
FuelCell Energy, Inc. is engaged in delivering environmentally responsible distributed baseload energy platform solutions through its fuel cell technology. Co. is a global manufacturer of stationary fuel cell and electrolysis platforms that decarbonize power and produce hydrogen. Its commercial technology produces electricity, heat, hydrogen, and water while separating carbon for utilization and/or sequestration. Its product portfolio is based on two electrochemical platforms, carbonate, and solid oxide. Both platforms can support power generation and combined heat and power applications using a variety of fuels, including natural gas, renewable biogas, and hydrogen. We show 45 historical shares outstanding datapoints in our FCEL shares outstanding history coverage, used to compute FCEL market cap on those dates.

Understanding the changing numbers of shares outstanding, the changing share price, and the resulting changing FCEL market cap history over the course of time is important for investors interested in comparing FCEL's market cap history versus its peers. Many "beginner" or "novice" investors will look at one stock trading at a price of $10 per share and another trading at a price of $20 per share and think the latter company is worth twice as much. Of course, that is a completely meaningless comparison without also knowing how many shares outstanding there are for each of the two companies, and then calculating their respective market caps. Comparing the share price of FCEL versus a peer is one thing; comparing FCEL market cap versus a peer is a completely different story. Furthermore, via fluctuation both in per-share price and in the number of shares outstanding (via issuance of new shares over time, the repurchase of existing shares), the market cap for a company like FCEL can fluctuate over the course of history. With this page we aim to empower investors researching FCEL by allowing them to research the FCEL market cap history.
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FuelCell Energy (FCEL) is categorized under the Industrials sector; to help you further research historical market cap numbers, below are some other companies in the same sector:

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