Leidos

LDOS · United States · Diversified Support Services · matched S&P 500 member. Follow its market-weight contribution.

Historical time machine

Historical observation

20182026

Universe weight

0.052%

12M weight contribution

+0.009 pp

3M weight contribution

+0.014 pp

12M price return

+64.7%

Share of matched S&P 500 members

Monthly observations through Aug 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
Aug 2024	$21.4bn	0.052%	+0.009 pp	+64.7%	Yes
Jul 2024	$19.5bn	0.035%	+0.007 pp	+56.4%	No
Jun 2024	$19.7bn	0.037%	+0.009 pp	+67.0%	No
May 2024	$19.9bn	0.038%	+0.012 pp	+91.1%	No
Apr 2024	$19.0bn	0.055%	+0.012 pp	+52.6%	Yes
Mar 2024	$17.8bn	0.049%	+0.006 pp	+44.5%	Yes
Feb 2024	$17.4bn	0.050%	+0.003 pp	+33.8%	Yes
Jan 2024	$15.2bn	0.045%	-0.001 pp	+13.5%	Yes
Dec 2023	$14.9bn	0.044%	-0.007 pp	+4.5%	Yes
Nov 2023	$14.8bn	0.046%	-0.005 pp	-0.3%	Yes
Oct 2023	$13.6bn	0.046%	-0.003 pp	-0.9%	Yes
Sep 2023	$12.7bn	0.042%	-0.005 pp	+7.0%	Yes
Aug 2023	$13.4bn	0.043%	-0.004 pp	+4.2%	Yes
Jul 2023	$12.8bn	0.028%	-0.022 pp	-11.2%	No
Jun 2023	$12.1bn	0.028%	-0.025 pp	-10.8%	No
May 2023	$10.7bn	0.026%	-0.025 pp	-24.2%	No
Apr 2023	$12.8bn	0.043%	-0.009 pp	-8.6%	No
Mar 2023	$12.6bn	0.043%	-0.008 pp	-13.5%	No
Feb 2023	$13.3bn	0.047%	-0.003 pp	-3.3%	No
Jan 2023	$13.5bn	0.046%	+0.004 pp	+12.1%	No
Dec 2022	$14.4bn	0.052%	+0.012 pp	+20.0%	Yes
Nov 2022	$14.9bn	0.051%	+0.009 pp	+26.3%	Yes
Oct 2022	$13.9bn	0.049%	+0.002 pp	+3.2%	No
Sep 2022	$11.9bn	0.047%	-0.001 pp	-7.6%	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.