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›Multi-line Insurance›Multi-line Insurance
Multi-line Insurance · weight
0.16%
Industry change · 12M
-0.01 pp
Multi-line Insurance · contribution
-0.013 pp
Company participation
100%
of industry constituents above their 6M weight average

4 · Companies driving this sub-industry

Dec 2025 · sorted by absolute contribution to 12-month change

CompanyCountryMarket capUniverse weight3M contribution12M contribution12M price returnAbove 6M weight average
American International Group →
AIG
United States$46.2bn0.090%+0.003 pp-0.013 pp+20.0%Yes
Assurant →
AIZ
United States$12.1bn0.024%+0.002 pp-0.001 pp+14.7%Yes
Loews Corporation →
L
United States$21.8bn0.043%+0.001 pp+0.001 pp+24.7%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.