AlphaSimplex Group is a systematic investment manager associated with managed futures, global macro, and alternative strategies. Website or institutional source

AlphaSense is an AI-enabled market-intelligence platform used by investment firms, corporations, banks, and professional research teams. Website or institutional source

AlphaDyne Asset Management is a global macro and fixed-income investment firm with offices across North America, Europe, and Asia. Website or institutional source

Alpaca provides developer-oriented brokerage, market-data APIs, paper trading, and execution infrastructure. Website or institutional source

Alkeon Capital Management is a technology-oriented investment firm operating across public and private markets. Website or institutional source

AlgoTraders provides outsourced systematic-trading infrastructure for hedge funds, family offices, and financial institutions. Website or institutional source

36 South Capital Advisors is a specialist long-volatility and crisis-risk manager focused on convex strategies across equities, fixed income, currencies, and commodities. Website or institutional source

9fin is a debt-market intelligence platform covering leveraged finance, high yield, loans, distressed debt, CLOs, private credit, and asset-based finance. Website or institutional source

4OTC develops ultra-low-latency connectivity for foreign-exchange and digital-asset markets. Website or institutional source

AKO Capital is a London-based investment partnership managing long-only and long/short equity strategies. Website or institutional source

Aiera provides live event intelligence for earnings calls, investor days, conferences, presentations, and other corporate communications. Website or institutional source

Advan Research provides geolocation, foot-traffic, consumer-transaction, and real-estate intelligence. Website or institutional source

Adenza Calypso is a cross-asset trading, treasury, risk, collateral, and post-trade platform operating within Nasdaq. Website or institutional source

ABN AMRO Clearing is a global clearing bank providing market access, execution, clearing, settlement, custody, financing, and prime brokerage across listed and over-the-counter instruments. Website or institutional source

360T is Deutsche Börse Group’s global foreign-exchange unit and a regulated marketplace serving institutional investors, banks, brokers, liquidity providers, and corporate treasurers. Website or institutional source

Jacobi provides a cloud-based platform for multi-asset portfolio design, analytics, model portfolios, asset allocation, and client engagement. Website or institutional source

J.P. Morgan Prime Services operates in financing, securities lending, clearing, custody and institutional hedge-fund support. Website or institutional source

Irenic Capital Management is a newer investment firm focused on change-oriented opportunities across public and private companies. Website or institutional source

IPC Systems provides trading communications, financial-network connectivity, co-location, market data, infrastructure services, precision timing, and electronic-trading support. Website or institutional source

Ionic Capital Management operates across long volatility, relative-value arbitrage, convertibles, credit, and related value-oriented strategies. Website or institutional source