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First Solar market cap FSLR

Share price times shares outstanding: what the whole company sells for, since 2009.

Today, Oct 23, 2026
$18.5B
Highest close in our data
$33B
May 2026

First Solar is worth $18.5B at the close on Oct 23, 2026, at $171.99 a share.

That is down 29% over the last year and up 45% over five years.

Its highest close in our data was $33B in May 2026.

Market cap over time

Open the interactive chart, with overlays and comparisons

Year by year

YearEnd of yearLowHighChange
2026 so far$18.5B$18.5B$33B−36%
2025$28.9B$13.5B$29.3B+48%
2024$19.6B$15.2B$29.6B+6%
2023$18.4B$14.3B$24.8B+15%
2022$16B$6.8B$18.3B+72%
2021$9.3B$7.7B$12.7B−12%
2020$10.5B$3.6B$10.9B+76%
2019$5.9B$4.9B$7B+34%
2018$4.4B$4.1B$8.2B−37%
2017$7.1B$2.8B$7.3B+111%
2016$3.3B$3B$7.4B−50%
2015$6.7B$4.1B$6.8B+50%
2014$4.4B$4.2B$7.3B−19%
2013$5.5B$2.2B$6.4B+112%
2012$2.6B$1B$3.9B−11%
2011$2.9B$2.8B$14.4B−74%
2010$11.2B$9B$12.6B−3%
2009$11.5B$10B$13.3Bn/a

Against its peers

Companies in Energy nearest First Solar's size, closest first, today.

CompanyMarket cap
FSLRFirst Solar$18.5B
WESWestern Midstream Partners$18.6B
APAAPA$18.2B
OVVOvintiv$19.9B
VNOMViper Energy$16.9B
PRPermian Resources$21.3B
EXEExpand Energy$21.6B
DINOHF Sinclair$21.6B
TPLTexas Pacific Land$23.3B
DTMDT Midstream$12.6B
FTITechnipFMC$27.4B
Peer median$20.6B

What the market cap tells you

Share price times shares outstanding: what the whole company sells for today.

Size, not quality. Large caps move slower and are covered more. That is all it tells you.

More on First Solar

Valuation data, not investment advice. Prices as of . Reported figures come from the company's filings with the SEC.