Observatory · observe first

Northern Trust

NTRS · United States · Asset Management & Custody Banks · matched S&P 500 member. Follow its market-weight contribution.

Historical time machine
Historical observation
20182026
Universe weight
0.036%
12M weight contribution
-0.012 pp
3M weight contribution
-0.012 pp
12M price return
+33.4%

Share of matched S&P 500 members

Monthly observations through Feb 2026

0.00.10.1201820192020202120222023202420252026

Company price index

A separate dimension from market allocation

77126175201820192020202120222023202420252026

Historical observations

Most recent 24 observations at or before the selected month

MonthMarket capUniverse weight12M weight change12M returnAbove 6M weight average
Feb 2026$26.6bn0.036%-0.012 pp+33.4%No
Jan 2026$28.3bn0.054%+0.005 pp+36.7%Yes
Dec 2025$25.8bn0.051%+0.005 pp+36.9%Yes
Nov 2025$24.8bn0.049%+0.000 pp+21.5%No
Oct 2025$24.3bn0.048%+0.001 pp+31.6%No
Sep 2025$25.7bn0.052%+0.009 pp+53.7%Yes
Aug 2025$25.1bn0.052%+0.008 pp+48.3%Yes
Jul 2025$24.9bn0.052%+0.020 pp+51.1%Yes
Jun 2025$24.7bn0.053%+0.021 pp+55.6%Yes
May 2025$20.8bn0.047%+0.014 pp+30.9%Yes
Apr 2025$18.3bn0.044%-0.005 pp+17.8%No
Mar 2025$19.3bn0.046%-0.005 pp+14.6%No
Feb 2025$21.6bn0.048%+0.000 pp+38.8%Yes
Jan 2025$22.3bn0.049%+0.000 pp+45.8%Yes
Dec 2024$20.3bn0.046%-0.006 pp+25.6%Yes
Nov 2024$22.0bn0.049%-0.003 pp+45.4%Yes
Oct 2024$19.9bn0.047%+0.000 pp+58.1%Yes
Sep 2024$18.2bn0.042%-0.006 pp+34.3%Yes
Aug 2024$18.4bn0.044%-0.006 pp+24.5%Yes
Jul 2024$18.1bn0.033%-0.004 pp+14.9%No
Jun 2024$17.2bn0.032%-0.004 pp+17.6%No
May 2024$17.2bn0.033%-0.004 pp+21.7%No
Apr 2024$16.9bn0.049%-0.006 pp+9.5%No
Mar 2024$18.2bn0.051%-0.012 pp+4.8%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.