Disciplined Growth Investors Inc

The firm operates through an investment committee that oversees the quantitative models and portfolio construction, though specific named portfolio managers are not disclosed publicly. The chief investment officer role is held by a senior executive whose background includes quantitative equity research and institutional asset management. Per public filings, the committee has maintained consistent leadership for over a decade.

The firm focuses exclusively on public equities of mid- to large-capitalization US companies, typically with market values above $2 billion at purchase. It does not pursue venture-stage, private, or early-stage growth investing. Holdings are liquid, exchange-traded common stocks.

The firm generally avoids energy, basic materials, and highly regulated financial sectors due to volatility and low predictability of earnings. It also excludes micro-cap, SPAC, and any non-equity asset classes such as fixed income, real estate, or private credit (per public filings describing its mandate restrictions).

The firm manages only direct long equity portfolios for institutional clients through separate accounts and pooled vehicles. It does not participate as a limited partner in external funds, co-investment funds, or private fund-of-funds structures.

Disciplined Growth Investors does not source private deal flow; all investments are made through public equity markets. Its edge comes from proprietary quantitative screening of publicly available financial data — earnings transcripts, SEC filings, and market price momentum — rather than from access to private transactions.

The firm is registered as an SEC-registered investment adviser serving institutional clients such as public pension funds, endowments, and foundations. It is not a family office, does not manage family wealth, and has no disclosed relationship to any family enterprise.