Observatory · observe first

T. Rowe Price

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

Historical time machine
Historical observation
20182026
Universe weight
0.040%
12M weight contribution
-0.009 pp
3M weight contribution
+0.001 pp
12M price return
+8.8%

Share of matched S&P 500 members

Monthly observations through Aug 2026

0.00.10.2201820192020202120222023202420252026

Company price index

A separate dimension from market allocation

90154219201820192020202120222023202420252026

Historical observations

Most recent 24 observations at or before the selected month

MonthMarket capUniverse weight12M weight change12M returnAbove 6M weight average
Aug 2026$23.7bn0.040%-0.009 pp+8.8%Yes
Jul 2026$23.8bn0.042%-0.006 pp+15.9%Yes
Jun 2026$24.4bn0.042%-0.004 pp+24.0%Yes
May 2026$22.4bn0.039%-0.008 pp+17.7%Yes
Apr 2026$22.0bn0.030%-0.017 pp+22.5%No
Mar 2026$19.7bn0.029%-0.020 pp+3.4%No
Feb 2026$20.6bn0.028%-0.024 pp-5.7%No
Jan 2026$23.1bn0.044%-0.014 pp-4.8%No
Dec 2025$22.3bn0.044%-0.013 pp-4.7%No
Nov 2025$22.3bn0.044%-0.017 pp-13.1%No
Oct 2025$22.4bn0.044%-0.014 pp-1.9%No
Sep 2025$22.6bn0.045%-0.011 pp-1.0%No
Aug 2025$23.6bn0.049%-0.008 pp+6.7%Yes
Jul 2025$22.4bn0.047%+0.002 pp-6.7%No
Jun 2025$21.3bn0.046%-0.002 pp-12.1%No
May 2025$20.6bn0.047%-0.004 pp-16.8%No
Apr 2025$19.7bn0.047%-0.024 pp-15.3%No
Mar 2025$20.5bn0.049%-0.027 pp-21.0%No
Feb 2025$23.5bn0.053%-0.020 pp-2.6%No
Jan 2025$26.0bn0.058%-0.014 pp+12.6%Yes
Dec 2024$25.1bn0.057%-0.015 pp+9.7%Yes
Nov 2024$27.5bn0.061%-0.009 pp+29.4%Yes
Oct 2024$24.5bn0.057%-0.011 pp+27.0%Yes
Sep 2024$24.2bn0.056%-0.022 pp+8.7%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.