Boeing

BA · United States · Aerospace & Defense · matched S&P 500 member. Follow its market-weight contribution.

Historical time machine

Historical observation

20182026

Universe weight

0.273%

12M weight contribution

-0.094 pp

3M weight contribution

-0.042 pp

12M price return

-11.5%

Share of matched S&P 500 members

Monthly observations through Aug 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
Aug 2026	$164.2bn	0.273%	-0.094 pp	-11.5%	No
Jul 2026	$170.8bn	0.298%	-0.056 pp	-2.6%	Yes
Jun 2026	$170.6bn	0.297%	-0.044 pp	+3.3%	Yes
May 2026	$182.2bn	0.316%	-0.038 pp	+11.5%	Yes
Apr 2026	$180.5bn	0.245%	-0.087 pp	+25.0%	No
Mar 2026	$156.3bn	0.228%	-0.076 pp	+16.7%	No
Feb 2026	$178.7bn	0.245%	-0.048 pp	+30.3%	No
Jan 2026	$183.6bn	0.351%	+0.109 pp	+32.4%	Yes
Dec 2025	$165.0bn	0.323%	+0.075 pp	+22.7%	No
Nov 2025	$143.7bn	0.282%	+0.070 pp	+21.6%	No
Oct 2025	$152.8bn	0.299%	+0.082 pp	+34.6%	No
Sep 2025	$163.2bn	0.327%	+0.109 pp	+42.0%	No
Aug 2025	$177.5bn	0.368%	+0.109 pp	+35.1%	Yes
Jul 2025	$167.7bn	0.354%	+0.143 pp	+16.4%	Yes
Jun 2025	$158.0bn	0.341%	+0.131 pp	+15.1%	Yes
May 2025	$156.3bn	0.354%	+0.146 pp	+16.7%	Yes
Apr 2025	$138.2bn	0.332%	+0.033 pp	+9.2%	Yes
Mar 2025	$127.9bn	0.304%	-0.023 pp	-11.6%	Yes
Feb 2025	$131.0bn	0.293%	-0.063 pp	-14.3%	Yes
Jan 2025	$109.1bn	0.243%	-0.140 pp	-16.4%	Yes
Dec 2024	$109.4bn	0.248%	-0.222 pp	-32.1%	Yes
Nov 2024	$96.1bn	0.212%	-0.225 pp	-32.9%	No
Oct 2024	$92.3bn	0.217%	-0.167 pp	-20.1%	No
Sep 2024	$93.7bn	0.218%	-0.168 pp	-20.7%	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.