Celoxica develops ultra-low-latency market-data and order-entry technology using hardware-accelerated architectures. Website or institutional source

Celer Technologies develops modular front-to-back trading software for financial institutions. Website or institutional source

Cboe Data Vantage provides market data, analytics, indices, and information services linked to Cboe’s exchange operations across equities, options, futures, foreign exchange, and volatility products. Website or institutional source

Cayler Capital is a commodity trading adviser specializing in systematic energy strategies. Website or institutional source

Caxton Associates is one of the longest-established global macro hedge fund firms. Website or institutional source

Caspian Capital is a credit investment manager focused on performing, stressed, distressed, and opportunistic corporate credit. Website or institutional source

Capula Investment Management is a global investment manager whose roots lie in fixed-income relative value. Website or institutional source

Capstone Investment Advisors is one of the defining institutional platforms in volatility and derivatives investing. Website or institutional source

Capital Fund Management, or CFM, is a research-led quantitative manager with roots in statistical physics and a long record of applying advanced modelling to financial markets. Website or institutional source

Cantor Fitzgerald Prime Services provides execution, clearing, financing, securities lending, custody, capital introduction, and business support to hedge funds, family offices, and institutional investment managers. Website or institutional source

Campbell & Company is one of the longest-running systematic investment managers. Website or institutional source

Caligan Partners is an activist and event-driven investment firm focused on public companies where governance, strategic, operating, or capital-allocation changes may improve value. Website or institutional source

Cadian Capital Management is a technology, media, and telecommunications-focused investment firm associated with fundamental long/short equity strategies. Website or institutional source

CACEIS is the asset-servicing group of Crédit Agricole and Santander, providing custody, fund administration, transfer agency, depositary, middle-office, data, and related services across Europe, North America, Latin America, and Asia. Website or institutional source

BTIG Prime Brokerage provides financing, outsourced trading, capital introduction, electronic trading, and institutional brokerage support to hedge funds and investment managers. Website or institutional source

BSO is a global network, cloud, and co-location provider with a longstanding focus on financial markets. Website or institutional source

Broadridge provides trading, connectivity, operations, and post-trade infrastructure to banks, broker-dealers, asset managers, and other financial institutions. Website or institutional source

Brigade Capital Management is a global credit manager investing across corporate and structured credit. Website or institutional source

Bridgewater Associates is one of the world’s most influential macro-oriented investment firms. Website or institutional source

Brevan Howard is one of the defining institutions of modern global macro investing. Website or institutional source