Company Home Pages:

• APT Ltd. - Advanced Portfolio Technologies. Risk analysis software using an orthogonal factor model inspired by Arbitrage Pricing Theory
• BARRA - Wide range of risk analysis software. Their research pages are especially recommended.
• EH3 Consulting - Friendly programming and computer consulting firm who tackle everything from investments to mobile phones. Headed by top-selling VBA author Rob Smith
• EM Applications - Factor model using the Expectation Maximization methodology, said to be particularly good on assets with partial price histories.
• Financial Models (FMC) - Flexible performance measurement and attribution software (and much more !) exploiting Excel for reporting
• Northfield Information Services - Portfolio factor models using Monte Carlo resampling from one of the pioneers in the field
• Pulse Software - Accounting and reporting software for private client and institional fund managers
• QUANTEC - Risk analysis and innovative portfolio modelling software.
• Quant Shop - Distributer of quant software, including POW! in the Far East and Australia
• Style Research Characteristic-based style analysis using real-world factors. William of OCCAM would have approved
   

Journals, Academic Sites and Institutions:

• Bill Sharpe's Home Page - the home page of the Nobel laureate and inventor of index models.
• The Association for Investment Management and Research - useful source of books and summary of CFA courses.
• INQUIRE UK - The Institute for Quantitative Investment Research. This site has the programmes of recent and forthcoming seminars and some papers on research sponsored by the Institute.

Other

• Investor Home's Who's Who in Investment