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
0.043%
12M weight contribution
-0.009 pp
3M weight contribution
-0.002 pp
12M price return
-19.2%

Share of matched S&P 500 members

Monthly observations through Mar 2026

0.00.10.1201820192020202120222023202420252026

Company price index

A separate dimension from market allocation

88138189201820192020202120222023202420252026

Historical observations

Most recent 24 observations at or before the selected month

MonthMarket capUniverse weight12M weight change12M returnAbove 6M weight average
Mar 2026$29.2bn0.043%-0.009 pp-19.2%No
Feb 2026$31.3bn0.043%-0.007 pp-15.4%Yes
Jan 2026$22.1bn0.042%-0.013 pp-10.8%Yes
Dec 2025$22.6bn0.044%-0.006 pp+2.4%Yes
Nov 2025$24.0bn0.047%-0.003 pp+4.9%Yes
Oct 2025$20.8bn0.041%-0.004 pp+8.2%Yes
Sep 2025$17.8bn0.036%-0.014 pp-16.7%No
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

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.