3M

MMM · United States · Industrial Conglomerates · matched S&P 500 member. Follow its market-weight contribution.

Historical time machine

Historical observation

20182026

Universe weight

0.159%

12M weight contribution

-0.009 pp

3M weight contribution

+0.055 pp

12M price return

+20.3%

Share of matched S&P 500 members

Monthly observations through Jul 2026

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
Jul 2026	$90.9bn	0.159%	-0.009 pp	+20.3%	Yes
Jun 2026	$84.4bn	0.147%	-0.030 pp	+8.3%	Yes
May 2026	$79.9bn	0.138%	-0.042 pp	+5.2%	Yes
Apr 2026	$76.4bn	0.104%	-0.076 pp	+7.4%	No
Mar 2026	$76.5bn	0.111%	-0.078 pp	+0.7%	No
Feb 2026	$87.1bn	0.120%	-0.069 pp	+8.5%	No
Jan 2026	$81.4bn	0.156%	-0.029 pp	+2.5%	No
Dec 2025	$85.0bn	0.167%	+0.007 pp	+26.4%	No
Nov 2025	$91.4bn	0.180%	+0.019 pp	+31.3%	Yes
Oct 2025	$88.4bn	0.173%	+0.009 pp	+32.2%	Yes
Sep 2025	$82.7bn	0.165%	-0.009 pp	+15.8%	No
Aug 2025	$82.8bn	0.172%	-0.007 pp	+17.8%	No
Jul 2025	$79.5bn	0.168%	+0.042 pp	+19.4%	No
Jun 2025	$81.9bn	0.177%	+0.071 pp	+52.1%	No
May 2025	$79.8bn	0.181%	+0.075 pp	+51.2%	Yes
Apr 2025	$74.8bn	0.180%	+0.025 pp	+47.2%	Yes
Mar 2025	$79.7bn	0.189%	+0.053 pp	+69.4%	Yes
Feb 2025	$84.2bn	0.188%	+0.066 pp	+106.0%	Yes
Jan 2025	$82.9bn	0.184%	+0.055 pp	+99.6%	Yes
Dec 2024	$70.3bn	0.159%	+0.009 pp	+46.1%	No
Nov 2024	$72.7bn	0.160%	+0.018 pp	+66.8%	Yes
Oct 2024	$70.0bn	0.164%	+0.022 pp	+76.6%	Yes
Sep 2024	$75.1bn	0.175%	+0.031 pp	+82.6%	Yes
Aug 2024	$74.0bn	0.179%	+0.022 pp	+57.9%	Yes

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.