Plains All American Pipeline market cap PAA

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

Plains All American Pipeline is worth $18.8B at the close on Oct 23, 2026, at $26.63 a share.

That is up 59% over the last year and up 159% over five years.

Its highest close in our data was $22.3B in Sep 2014.

Market cap over time

Year	End of year	Low	High	Change
2026 so far	$18.8B	$12.8B	$18.8B	+51%
2025	$12.5B	$11.1B	$14.4B	+6%
2024	$11.8B	$10.7B	$13.2B	+11%
2023	$10.6B	$8.1B	$11.2B	+29%
2022	$8.2B	$6.8B	$8.7B	+24%
2021	$6.6B	$6.1B	$8.7B	+11%
2020	$6B	$3.8B	$13.8B	−56%
2019	$13.7B	$12.6B	$18.1B	−6%
2018	$14.5B	$14.5B	$19.8B	−3%
2017	$15B	$12.6B	$22.1B	+12%
2016	$13.3B	$6.9B	$13.8B	+45%
2015	$9.2B	$7.9B	$19.5B	−52%
2014	$19.2B	$17.2B	$22.3B	+9%
2013	$17.6B	$15.9B	$20.1B	+19%
2012	$14.9B	$10.9B	$15.6B	+36%
2011	$11B	$8.6B	$11B	+28%
2010	$8.6B	$7B	$8.8B	+19%
2009	$7.2B	$6B	$7.2B	n/a

Companies in Oil & Gas Midstream nearest Plains All American Pipeline's size, closest first, today.

Company	Market cap
PAAPlains All American Pipeline	$18.8B
WESWestern Midstream Partners	$18.6B
DTMDT Midstream	$12.6B
CQPCheniere Energy Partners	$32B
VGVenture Global	$35B
AMAntero Midstream	$9.9B
KNTKKinetik	$9B
SWXSouthwest Gas	$6.6B
MPLXMPLX Lp	$59.9B
OKEONEOK	$60.4B
LNGCheniere Energy	$61.7B
Peer median	$25.3B