Lucera provides on-demand co-located infrastructure, software-defined connectivity, compute, and cross-asset market access for financial institutions. Website or institutional source

LSEG Data & Analytics incorporates the former Refinitiv business and provides financial data, analytics, news, benchmarks, indices, pricing, reference data, and workflow tools at global scale. Website or institutional source

Lowell Resources Funds Management manages a specialist portfolio focused on junior mining and energy companies. Website or institutional source

LongTail Alpha is a specialist manager focused on tail-risk, long-volatility, macro, and risk-mitigation strategies. Website or institutional source

Lone Pine Capital operates in company research, security selection, short analysis and equity portfolio construction. Website or institutional source

Logica Capital Advisers is a quantitative volatility manager focused on long-volatility, asymmetric-alpha, and options-based strategies. Website or institutional source

LMR Partners is a global multi-strategy investment firm using discretionary and systematic approaches across equities, macro, fixed income, credit, commodities, event-driven, and volatility strategies. Website or institutional source

LMAX Group operates institutional execution venues and technology for foreign exchange and digital assets. Website or institutional source

Livermore Partners is an alternative investment manager focused on deep value, special situations, and selected natural-resources opportunities. Website or institutional source

Liquidnet, part of TP ICAP Group, provides institutional execution and liquidity solutions across equities, fixed income, and listed derivatives. Website or institutional source

LinkUp provides global job-posting and labor-market data collected from employer websites. Website or institutional source

Linedata provides investment-management technology covering portfolio management, order management, compliance, risk, accounting, and operational workflows for asset managers, hedge funds, and alternative-investment firms. Website or institutional source

Linden Advisors operates in options, convexity, derivatives relative value and portfolio protection. Website or institutional source

Light Street Capital is a technology-focused investment manager operating across public and private equities. Website or institutional source

Lake Hill Capital Management is an options and futures specialist whose strategies include dynamic hedging, crisis alpha, equity replacement, and volatility-based income. Website or institutional source

Legion Partners Asset Management is an activist investment firm focused on small- and mid-cap public companies. Website or institutional source

KX develops kdb+, a high-performance time-series database and analytics engine deeply established in capital markets. Website or institutional source

Land & Buildings Investment Management is a specialist activist investor focused on listed real estate, real-estate investment trusts, lodging, gaming, and property-intensive companies. Website or institutional source

Kpler provides data and analytics across commodities, energy, shipping, freight, trade flows, inventories, refineries, power, and maritime activity. Website or institutional source

Koyfin is a modern investment-research platform providing global market data, company financials, estimates, screening, macro dashboards, charting, watchlists, transcripts, news, portfolio analysis, and reporting tools. Website or institutional source