Observatory · observe first

Waters Corporation

WAT · United States · Life Sciences Tools & Services · matched S&P 500 member. Follow its market-weight contribution.

Historical time machine
Historical observation
20182026
Universe weight
0.037%
12M weight contribution
-0.012 pp
3M weight contribution
-0.010 pp
12M price return
-12.9%

Share of matched S&P 500 members

Monthly observations through Aug 2025

0.00.10.120182019202020212022202320242025

Company price index

A separate dimension from market allocation

8813818920182019202020212022202320242025

Historical observations

Most recent 24 observations at or before the selected month

MonthMarket capUniverse weight12M weight change12M returnAbove 6M weight average
Aug 2025$18.0bn0.037%-0.012 pp-12.9%No
Jul 2025$17.2bn0.036%+0.000 pp-14.1%No
Jun 2025$20.8bn0.045%+0.013 pp+20.3%No
May 2025$20.8bn0.047%+0.012 pp+13.1%No
Apr 2025$20.7bn0.050%-0.003 pp+12.5%No
Mar 2025$21.9bn0.052%-0.005 pp+7.1%Yes
Feb 2025$22.4bn0.050%-0.007 pp+11.8%Yes
Jan 2025$24.7bn0.055%-0.001 pp+30.8%Yes
Dec 2024$22.0bn0.050%-0.008 pp+12.7%Yes
Nov 2024$22.8bn0.050%-0.001 pp+37.1%Yes
Oct 2024$19.2bn0.045%-0.003 pp+35.5%Yes
Sep 2024$21.4bn0.050%-0.004 pp+31.2%Yes
Aug 2024$20.6bn0.050%-0.003 pp+23.3%Yes
Jul 2024$20.0bn0.036%+0.000 pp+21.7%No
Jun 2024$17.2bn0.032%-0.004 pp+8.8%No
May 2024$18.3bn0.035%-0.002 pp+23.0%No
Apr 2024$18.3bn0.053%-0.007 pp+2.9%No
Mar 2024$20.4bn0.057%-0.006 pp+11.2%Yes
Feb 2024$20.0bn0.057%-0.007 pp+8.5%Yes
Jan 2024$18.8bn0.056%-0.011 pp-3.3%Yes
Dec 2023$19.5bn0.058%-0.015 pp-3.9%Yes
Nov 2023$16.6bn0.052%-0.018 pp-19.0%Yes
Oct 2023$14.1bn0.048%-0.016 pp-20.3%Yes
Sep 2023$16.2bn0.054%-0.009 pp+1.7%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.