Boston Scientific

BSX · United States · Health Care Equipment · matched S&P 500 member. Follow its market-weight contribution.

Historical time machine

Historical observation

20182026

Universe weight

0.303%

12M weight contribution

+0.133 pp

3M weight contribution

-0.012 pp

12M price return

+15.4%

Share of matched S&P 500 members

Monthly observations through Oct 2019

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
Oct 2019	$58.1bn	0.303%	+0.133 pp	+15.4%	No
Sep 2019	$56.7bn	0.301%	+0.131 pp	+5.7%	No
Aug 2019	$59.5bn	0.324%	+0.165 pp	+20.2%	Yes
Jul 2019	$59.1bn	0.315%	+0.044 pp	+26.3%	Yes
Jun 2019	$59.8bn	0.322%	+0.048 pp	+31.4%	Yes
May 2019	$53.4bn	0.311%	+0.057 pp	+26.4%	Yes
Apr 2019	$51.6bn	0.288%	+0.045 pp	+29.2%	Yes
Mar 2019	$53.2bn	0.306%	+0.075 pp	+40.5%	Yes
Feb 2019	$55.6bn	0.322%	+0.098 pp	+47.2%	Yes
Jan 2019	$52.8bn	0.174%	-0.045 pp	+36.4%	Yes
Dec 2018	$48.9bn	0.175%	-0.044 pp	+26.4%	No
Nov 2018	$52.1bn	0.173%	-0.046 pp	+34.7%	No
Oct 2018	$50.0bn	0.170%	-0.049 pp	+29.3%	No
Sep 2018	$53.2bn	0.170%	-0.049 pp	+37.7%	No
Aug 2018	$49.2bn	0.159%	-0.060 pp	+27.2%	No
Jul 2018	$46.5bn	0.271%	+0.052 pp	+20.2%	Yes
Jun 2018	$45.1bn	0.274%	+0.055 pp	+17.0%	Yes
May 2018	$41.9bn	0.254%	+0.035 pp	+8.7%	Yes
Apr 2018	$39.5bn	0.243%	+0.024 pp	+2.7%	Yes
Mar 2018	$37.6bn	0.230%	+0.011 pp	-2.3%	Yes
Feb 2018	$37.5bn	0.225%	+0.006 pp	-2.5%	Yes
Jan 2018	$38.4bn	0.219%	+0.000 pp	+0.0%	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.