Leuthold Weeden Capital Management

Leuthold produces all core research in-house through a deliberate integration of market history analysis, statistical screening, and behavioral-finance frameworks dating to Steve Leuthold's original work in the early 1980s. The firm's Institutional Research product, sold to pension funds, endowments, and RIAs, licenses the same industry-level work and sentiment composites that drive internal portfolios. This product line extends back several decades, giving the firm a long-duration dataset on institutional inquiry patterns that feeds into its strategic decision-making.

Leuthold's investment vehicle lineup consists of directly managed equity mutual funds and separate accounts that apply the Major Trend Index framework to long-only equity, tactical allocation, and industry-focused portfolios. The firm does not operate as a fund-of-funds or private-market commitment vehicle. Its strategies span US large-cap, mid-cap value, and global tactical mandates, with the Leuthold Core Investment Fund serving as the flagship multi-asset product.

Leuthold's Major Trend Index is explicitly designed to de-risk portfolios during prolonged bear markets and periods of extreme valuation — the 2000–2002 dot-com unwind and the 2008–09 financial crisis demonstrated the framework's ability to shift toward defensive positioning before full-cycle drawdowns materialized. The firm's strategies tend to underperform in persistently low-volatility melt-up environments where trend-following signals lag, a tradeoff the firm's research team has openly documented in investor communications.