IBM

IBM · United States · IT Consulting & Other Services · matched S&P 500 member. Follow its market-weight contribution.

Historical time machine

Historical observation

20182026

Universe weight

0.298%

12M weight contribution

+0.017 pp

3M weight contribution

-0.188 pp

12M price return

+34.8%

Share of matched S&P 500 members

Monthly observations through Jun 2024

Company price index

A separate dimension from market allocation

Historical observations

Most recent 24 observations at or before the selected month

Month	Market cap	Universe weight	12M weight change	12M return	Above 6M weight average
Jun 2024	$158.9bn	0.298%	+0.017 pp	+34.8%	No
May 2024	$153.3bn	0.293%	+0.005 pp	+35.3%	No
Apr 2024	$152.7bn	0.442%	+0.054 pp	+37.6%	No
Mar 2024	$175.1bn	0.486%	+0.080 pp	+52.4%	Yes
Feb 2024	$169.6bn	0.486%	+0.074 pp	+49.7%	Yes
Jan 2024	$167.7bn	0.499%	+0.082 pp	+43.1%	Yes
Dec 2023	$149.3bn	0.445%	-0.014 pp	+21.8%	Yes
Nov 2023	$144.8bn	0.451%	-0.005 pp	+11.8%	Yes
Oct 2023	$132.1bn	0.449%	+0.005 pp	+9.8%	Yes
Sep 2023	$127.8bn	0.427%	+0.005 pp	+24.0%	Yes
Aug 2023	$133.8bn	0.426%	+0.011 pp	+20.1%	Yes
Jul 2023	$131.3bn	0.286%	-0.120 pp	+15.9%	No
Jun 2023	$121.5bn	0.281%	-0.213 pp	-0.4%	No
May 2023	$116.8bn	0.288%	-0.161 pp	-2.6%	No
Apr 2023	$114.8bn	0.388%	-0.042 pp	+0.4%	No
Mar 2023	$118.9bn	0.406%	+0.012 pp	+5.8%	No
Feb 2023	$117.3bn	0.412%	+0.030 pp	+10.8%	No
Jan 2023	$121.8bn	0.417%	+0.014 pp	+5.9%	No
Dec 2022	$127.4bn	0.460%	+0.076 pp	+10.6%	Yes
Nov 2022	$134.6bn	0.457%	+0.102 pp	+33.5%	Yes
Oct 2022	$125.0bn	0.444%	+0.086 pp	+21.5%	Yes
Sep 2022	$107.3bn	0.422%	+0.004 pp	-6.0%	No
Aug 2022	$116.0bn	0.415%	+0.013 pp	+0.6%	No
Jul 2022	$118.1bn	0.406%	-0.008 pp	+1.9%	No

Its weight is estimated market cap divided by the total estimated market cap of matched S&P 500 members for the month. This is not an official float-adjusted S&P index weight.