PitchBook provides data and research on private companies, private equity, venture capital, private credit, M&A, investors, funds, financing rounds, valuations, and market participants. Website or institutional source

Pico provides trading infrastructure, global connectivity, market data, low-latency software, and packet-level analytics to exchanges, market makers, banks, brokers, and quantitative trading firms. Website or institutional source

Zorro is a lightweight platform for financial research, backtesting, machine learning, and automated trading. Website or institutional source

Zennor Asset Management is a specialist investor in Japanese equities seeking opportunities created by corporate-governance reform. Website or institutional source

YipitData is an alternative-data research firm that transforms large datasets into company and sector intelligence for institutional investors and corporate clients. Website or institutional source

YCharts provides financial data, charting, screening, portfolio analytics, model-portfolio tools, reporting, and presentation workflows. Website or institutional source

WorldQuant is a global quantitative asset manager built around the large-scale discovery, testing, and combination of predictive signals. Website or institutional source

Winton Group operates in model-driven research, portfolio construction, execution and systematic risk management. Website or institutional source

Wind Financial Terminal is a major financial-data and research platform for China and other global markets. Website or institutional source

Whale Rock Capital Management is an investment adviser focused on technology, media, telecommunications, and innovation-driven companies. Website or institutional source

Whitebox Advisors is a multi-strategy alternative manager with experience across convertible securities, credit, relative value, equities, and special situations. Website or institutional source

Westbeck Capital Management is a specialist investment firm focused on energy, natural resources, and energy-transition opportunities. Website or institutional source

Welton Investment Partners is a systematic macro and managed-futures specialist whose programs combine trend, fundamental macro, short-term, relative-value, and defensive signals. Website or institutional source

Wells Fargo Prime Services provides institutional financing, clearing, custody, securities lending, execution, and capital-markets support within a large U.S. Website or institutional source

Wedbush Securities Prime Services provides execution, clearing, custody, financing, securities lending, technology, and operational support to hedge funds, professional traders, and institutional clients. Website or institutional source

Wealth-Lab is a portfolio backtesting and automated-trading platform supporting equities, futures, foreign exchange, and digital assets. Website or institutional source

Waystone is a global asset-servicing and fund-governance platform offering administration, management-company and ACD services, compliance, distribution support, fund registration, and related operating solutions. Website or institutional source

Waypoint Trading Solutions is the trading-infrastructure business formed from the combination of TNS Financial Markets and Radianz. Website or institutional source

Water Island Capital is a dedicated event-driven investment manager with capabilities in merger arbitrage, catalyst-driven equity, catalyst-driven credit, and multi-strategy event-driven investing. Website or institutional source

Warrington Asset Management is an options-focused manager associated with systematic and tactical programs using options, futures, and related instruments. Website or institutional source