totalmarketcap

Largest finance/investors services companies

Every US-listed finance/investors services company we cover — 37 of them — ranked by market capitalisation, with revenue and earnings taken from their SEC filings.

Combined market cap

$43.944 B

0.04% of all US-listed value

Companies

37

Ranked #116 of 152 industries

Largest

Central Securities

CET · market cap

Average

$1.188 B

Mean market cap per company

#NameMarket capCloseSessionCountry
1Central SecuritiesCET$13.5B$55.68+0.61% United States
2Main Street CapitalMAIN$5.48B$58.94+3.79% United States
3HA Sustainable Infrastructure CapitalHASI$5.22B$40.68+6.38% United States
4Kayne Anderson Energy Infrastructure FundKYN$1.93B$14.17-0.84% United States
5BlackRock Capital Allocation Term TrustBCAT$1.73B$16.04+0.50% United States
6BlackRock ESG Capital Allocation Term TrustECAT$1.70B$15.72+1.29% United States
7CION InvestmentCICB$1.23B$25.05+0.20% United States
8Blackrock Credit Allocation Income TrustBTZ$1.11B$10.24+0.89% United States
9BlackRock Resources & Commodities Strategy TrustBCX$1.03B$12.11+0.67% United States
10abrdn Emerging Markets ex-China FundAEF$971.6M$9.05+2.14% United States
11PIMCO Dynamic Income Strategy FundPDX$965.2M$21.59-0.05% Unknown
12Virtus Artificial Intelligence & Technology Opportunities FundAIO$900.8M$26.23+0.61% Unknown
13Bain Capital Specialty FinanceBCSF$850.4M$13.11+1.31% United States
14MidCap Financial InvestmentMFIC$804.0M$9.76+0.52% United States
15Fidus InvestmentFDUS$772.4M$20.35-1.12% United States
16New Mountain FinanceNMFC$732.0M$7.75+1.31% United States
17SLR InvestmentSLRC$714.7M$13.10+1.31% United States
18Nuveen Municipal Credit Opportunities FundNMCO$577.8M$10.55+0.38% Unknown
19Msc Income FundMSIF$565.9M$12.48+5.76% United States
20PGIM Short Duration High Yield Opportunities FundSDHY$400.9M$16.25+0.93% Unknown
21BlackRock TCP CapitalTCPC$344.8M$4.11+5.38% United States
22RiverNorth Flexible Municipal Income Fund IIRFMZ$322.2M$13.23+0.99% Unknown
23Angel Oak Financial Strategies Income Term TrustFINS$315.5M$12.59+0.56% Unknown
24Virtus Diversified Income & Convertible FundACV$281.5M$27.16+1.72% United States
25Stellus Capital InvestmentSCM$243.4M$8.41-0.59% United States
26Franklin Ltd Duration Income TrustFTF$232.7M$5.76+0.52% United States
27Gabelli Healthcare & WellnessRx TrustGRX$168.9M$9.88+1.23% United States
28GAMCO Natural Resources, Gold & Income TrustGNT$159.4M$8.63+1.77% United States
29Gabelli Global Utility & Income TrustGLU$115.3M$19.32+0.54% United States
30RiverNorth Opportunistic Municipal Income FundRMI$100.5M$15.77+0.22% Unknown
31RiverNorth Flexible Municipal Income FundRFM$91.2M$14.91+2.33% Unknown
32Gabelli Convertible & Income Securities FundGCV$89.5M$4.70+1.51% United States
33Eagle Point IncomeEIC$89.0M$9.99-0.79% United States
34Clough Global Dividend & Income FundGLV$79.9M$6.29-0.47% United States
35Eaton Vance California Municipal Income TrustCEV$73.6M$10.47+2.05% United States
36OFS CapitalOFS$51.9M$3.87+2.11% United States
37Equus Total ReturnEQS$16.7M$1.20+3.02% United States

All 37 companies. One row per company — secondary share classes are folded into their primary listing. Updated 9 Aug 2026.

Sectors finance/investors services companies sit in

Finance 37

Other industries

Semiconductors 100Computer Software: Programming Data Processing 77Computer Software: Prepackaged Software 232Computer Manufacturing 10Biotechnology: Pharmaceutical Preparations 501Major Banks 245Industrial Machinery/Components 209Catalog/Specialty Distribution 30Business Services 93Commercial Banks 35Auto Manufacturing 29Integrated oil Companies 18Investment Bankers/Brokers/Service 68Real Estate Investment Trusts 179Department/Specialty Retail Stores 14Oil & Gas Production 116Telecommunications Equipment 82Beverages (Production/Distribution) 35Electronic Components 21Finance: Consumer Services 163Electric Utilities: Central 59Consumer Electronics/Appliances 23Natural Gas Distribution 29Medical Specialities 44All industries →

Figures come from SEC filings and daily market prices. Companies listed only outside the US are not covered — see methodology.