Observatory · observe first

Follow the allocation change

Matched S&P 500 members → sector → industry → sub-industry → company. Each step uses the same percentage points.

Historical time machine
Historical observation
20182026
Universe›Financials›Regional Banks›Regional Banks
Regional Banks · weight
0.32%
Industry change · 12M
+0.02 pp
Regional Banks · contribution
+0.019 pp
Company participation
100%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

May 2026 · sorted by absolute contribution to 12-month change

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
Fifth Third Bancorp →
FITB
United States$45.3bn0.078%+0.017 pp+0.021 pp+35.4%Yes
M&T Bank →
MTB
United States$31.6bn0.055%+0.010 pp-0.012 pp+21.9%Yes
Citizens Financial Group →
CFG
United States$26.3bn0.046%+0.011 pp+0.006 pp+59.3%Yes
Huntington Bancshares →
HBAN
United States$33.2bn0.057%+0.011 pp+0.006 pp+8.7%Yes
Regions Financial Corporation →
RF
United States$23.9bn0.041%+0.008 pp-0.002 pp+36.1%Yes
KeyCorp →
KEY
United States$23.1bn0.040%+0.009 pp+0.001 pp+38.8%Yes

Company contributions use weights among matched S&P 500 members and add through each level without rescaling. Companies without matched shares and prices are omitted. These observations do not establish official index weights or actual fund flows.