Series — In Progress
Finantrix Atlas
Finantrix Atlas: rankings and market maps of US financial services, built from public filings and regulator data. Every figure is read from a primary source, frozen with its date, checked against a second publisher where one exists, and refreshed on the source's own schedule. Free to cite and republish with credit.
34 articles in this series
Largest Banks in the US by Total Assets (2026)
The largest FDIC-insured US banks, ranked by the total assets each reports to its regulators, with how concentrated US banking assets are.
Largest Community Banks in the US (2026)
The largest US community banks as the FDIC defines them, ranked by total assets, with how much of US banking community banks hold.
Largest Credit Unions in the US by Assets (2026)
The largest federally insured US credit unions, ranked by the total assets each reports to the NCUA, with members, deposits and loans.
US Bank Mergers: Every Deal in the Past Year (2026)
Every unassisted merger of an FDIC-insured US bank in the last twelve months, with each acquired bank's size and ten years of merger counts.
Largest Bank Trust Departments in the US (2026)
The US banks and trust companies with the most fiduciary assets, ranked from Call Report Schedule RC-T, with how concentrated trust business is.
Largest Custodian Banks, Ranked by Assets (2026)
The largest U.S. custodian banks, ranked by the assets under custody and administration each reports in its own SEC filings.
Largest RIAs in the U.S., Ranked by Assets (2026)
The largest SEC-registered investment advisers, ranked by the assets each reports on Form ADV, for wealth clients and in total.
Fastest-Growing RIAs in the US (2026)
The SEC-registered advisers serving individuals whose assets grew fastest over the past year, among firms that began it with a billion dollars or more.
Which Custodians Do RIAs Use? Market Share (2024)
Which custodians SEC-registered advisers use for separately managed accounts, by the number of advisers naming each and the client assets held there.
Largest Institutional Investors by 13F Holdings (2026)
The institutional investment managers with the most US-listed equity holdings, ranked by the value they report to the SEC on Form 13F each quarter.
Largest Private Fund Managers in the US (2026)
The advisers with the most private fund assets, ranked from the gross asset values they report to the SEC on Form ADV, with what kinds of funds they run.
Largest Hedge Fund Firms in the US (2026)
The largest hedge fund managers, ranked by the private fund gross assets they report to the SEC, among advisers whose funds are mostly hedge funds.
Who Administers Private Funds? Administrators by Market Share
Which administrators the private funds of SEC-registered advisers use, counted fund by fund from Form ADV, with the leaders for hedge and PE funds.
Which Prime Brokers Do Hedge Funds Use?
Prime brokers' share of the hedge funds reported by SEC-registered advisers, counted fund by fund from Form ADV, and how many funds use more than one.
Largest Mutual Fund and ETF Administrators (2026)
Which third-party administrators US mutual funds and ETFs use, counted series by series from Form N-CEN, and how many funds administer themselves.
Largest Mutual Fund and ETF Custodians (2026)
Which banks hold the assets of US mutual funds and ETFs, counted series by series from Form N-CEN, by number of funds and by fund assets.
Who Audits Mutual Funds and ETFs? (2026)
Which audit firms US mutual funds and ETFs name in their annual Form N-CEN reports, counted series by series, with the assets of the funds each audits.
Top Broker-Dealer Firms in the U.S. — Ranking & Analysis
The largest US broker-dealers ranked by client assets, segmented by business model, with the trends reshaping wirehouses, IBDs, and digital brokers.
401(k) Recordkeepers Ranked by Plans Served (2026)
The 401(k) recordkeepers large plans name most often, counted from the Department of Labor's Form 5500 data, and what that count can and cannot show.
Largest Futures Commission Merchants by Customer Funds (2026)
The futures commission merchants holding the most customer money for futures, foreign futures and cleared swaps, ranked from CFTC monthly financial data.
Largest US Mortgage Lenders by Originations (2025)
The lenders that originated the most US home loans by dollar volume, ranked from every lender's HMDA filing, with purchase, refinance and FHA/VA mix.
Largest Medicare Advantage Insurers by Enrollment (2026)
The insurers with the most Medicare Advantage members, ranked from CMS monthly enrollment by contract and grouped by the parent company CMS records.
Largest Commercial Health Insurers by Premiums (2024)
The health insurers earning the most premiums in the fully insured individual and employer market, from the Medical Loss Ratio reports filed with CMS.
US-Listed Property and Casualty Insurers Ranked by Premiums (2025)
Publicly traded property and casualty insurers ranked by net premiums earned, from the financial data they file with the SEC.
US-Listed Life and Annuity Insurers Ranked by Assets (2026)
Publicly traded life, annuity and supplemental health insurers ranked by total assets, from the financial data they file with the SEC.
Largest US-Listed REITs by Total Assets (2026)
The real estate investment trusts listed on US exchanges with the most total assets, ranked from the financial data they file with the SEC.
Largest Private Credit Managers by BDC Investments (2026)
The private credit managers whose business development companies hold the most investments, ranked from every BDC's SEC filings, with the largest BDCs.
Largest Equity ATSs (Dark Pools) by Dollar Volume (2026)
Every US equity alternative trading system ranked by the dollar volume it reports to FINRA, with trades, shares and its share of ATS trading.
FedNow Participants: Which Banks and Credit Unions Are Live (2026)
How many banks and credit unions are live on FedNow, and how adoption varies by size, matching the Federal Reserve's list to FDIC and NCUA records.
OFAC Sanctions Penalties: Who Paid and How Much (2003 to 2026)
Every civil penalty and settlement OFAC has published since it began listing them, by size and by year, with links to each enforcement document.
Bank Secrecy Act Enforcement: FinCEN Actions and Penalties (1999 to 2026)
Every FinCEN Bank Secrecy Act enforcement action, by year and type of institution, with the civil money penalty each order imposed.
Credit Union Mergers: Every Approval in the Past Year (2026)
Every credit union merger the NCUA approved in the last four quarters: who merged into whom, the size of each, the reason given, and the count by year.
Largest Private Equity Firms by Fund Assets (2024 Filings)
The private equity firms with the most private equity fund assets, ranked fund by fund from Form ADV filings, with the largest fund-of-funds managers.
ETF Issuers Ranked by Fund Assets (2026)
ETF issuers ranked by the assets of their standalone ETFs, from SEC Form N-CEN filings, and why ETFs that are a mutual fund share class are measured apart.