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

$42.081 B

0.04% of all US-listed value

Companies

37

Ranked #114 of 152 industries

Largest

Central Securities

CET ยท market cap

Average

$1.137 B

Mean market cap per company

#NameMarket capCloseSessionCountry
1Central SecuritiesCET$13.7B$56.44-0.96% United States
2Main Street CapitalMAIN$5.15B$55.08-1.64% United States
3HA Sustainable Infrastructure CapitalHASI$4.65B$36.21-2.69% United States
4Kayne Anderson Energy Infrastructure FundKYN$1.93B$14.18-0.07% United States
5BlackRock ESG Capital Allocation Term TrustECAT$1.54B$14.27-1.92% United States
6BlackRock Capital Allocation Term TrustBCAT$1.51B$13.95-1.62% United States
7CION InvestmentCICB$1.23B$24.96-0.56% United States
8BlackRock Resources & Commodities Strategy TrustBCX$1.04B$12.29-0.73% United States
9abrdn Emerging Markets ex-China FundAEF$1.03B$9.59-2.44% United States
10Blackrock Credit Allocation Income TrustBTZ$1.02B$9.43-1.67% United States
11PIMCO Dynamic Income Strategy FundPDX$903.5M$20.21-0.93% Unknown
12Virtus Artificial Intelligence & Technology Opportunities FundAIO$856.8M$24.95-1.65% Unknown
13MidCap Financial InvestmentMFIC$733.1M$8.90-1.77% United States
14Fidus InvestmentFDUS$724.2M$19.08-1.17% United States
15Bain Capital Specialty FinanceBCSF$718.1M$11.07-1.34% United States
16New Mountain FinanceNMFC$666.8M$7.06-0.56% United States
17SLR InvestmentSLRC$642.1M$11.77-1.51% United States
18Msc Income FundMSIF$562.7M$12.41-1.51% United States
19Nuveen Municipal Credit Opportunities FundNMCO$508.3M$9.28-2.83% Unknown
20PGIM Short Duration High Yield Opportunities FundSDHY$376.0M$15.24-1.36% Unknown
21BlackRock TCP CapitalTCPC$339.0M$4.04-0.98% United States
22Angel Oak Financial Strategies Income Term TrustFINS$300.5M$11.99-1.80% Unknown
23RiverNorth Flexible Municipal Income Fund IIRFMZ$293.2M$12.04-1.71% Unknown
24Virtus Diversified Income & Convertible FundACV$261.7M$25.25-1.48% United States
25Stellus Capital InvestmentSCM$222.4M$7.81-1.14% United States
26Franklin Ltd Duration Income TrustFTF$218.6M$5.41-3.05% United States
27Gabelli Healthcare & WellnessRx TrustGRX$167.5M$9.80+0.82% United States
28GAMCO Natural Resources, Gold & Income TrustGNT$163.5M$8.85-1.67% United States
29Gabelli Global Utility & Income TrustGLU$109.6M$18.36-1.98% United States
30RiverNorth Opportunistic Municipal Income FundRMI$89.3M$14.01-3.65% Unknown
31Eagle Point IncomeEIC$85.1M$9.55-0.10% United States
32Gabelli Convertible & Income Securities FundGCV$84.3M$4.43-0.45% United States
33RiverNorth Flexible Municipal Income FundRFM$81.4M$13.32-0.93% Unknown
34Clough Global Dividend & Income FundGLV$74.2M$5.84-1.18% United States
35Eaton Vance California Municipal Income TrustCEV$71.7M$10.20+1.19% United States
36OFS CapitalOFS$47.7M$3.56-2.73% United States
37Equus Total ReturnEQS$13.7M$0.98+3.15% United States

All 37 companies. One row per company, with secondary share classes folded into their primary listing. Updated 24 Sept 2026.

Sectors finance/investors services companies sit in

Finance 37

Other industries

Semiconductors 101Computer Software: Programming Data Processing 77Computer Software: Prepackaged Software 234Computer Manufacturing 10Biotechnology: Pharmaceutical Preparations 500Major Banks 246Industrial Machinery/Components 211Catalog/Specialty Distribution 31Business Services 93Commercial Banks 35Auto Manufacturing 29Integrated oil Companies 18Investment Bankers/Brokers/Service 68Oil & Gas Production 116Real Estate Investment Trusts 177Department/Specialty Retail Stores 14Telecommunications Equipment 82Electronic Components 21Beverages (Production/Distribution) 36Finance: Consumer Services 162Electric Utilities: Central 60Consumer Electronics/Appliances 23Biotechnology: Biological Products (No Diagnostic Substances) 160Natural Gas Distribution 29All industries โ†’

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