US-Listed Security Brokers, Dealers & Flotation Companies — EBITDA Margin Percentiles, FY 2023

Methodology & sources
EBITDA margin = (operating income + depreciation & amortization) / revenue, all values as filed; computed in SQL per company, then percentiles. Fiscal year 2023 = fiscal years ending 2023-06-01 to 2024-05-31 (majority-overlap rule; June-ending fiscal years count toward the ending calendar year).
Source: SEC EDGAR filings (public domain). Data: FACTANKER registry, precomputed 2026-09-03.