William J. Sumski

Overview

William J. Sumski operates as a sole proprietorship advisory practice focused on portfolio management for individuals and small businesses. The firm is run by William J. Sumski and uses a percentage-of-AUM fee model. Filings show the practice is small and narrowly scoped: it is not a multistate adviser, does not position itself as a capital allocator, and does not identify as an active ESG investor. The adviser’s work appears to be advisory and non-discretionary in nature, meaning clients retain final decision authority while the firm provides investment recommendations and portfolio oversight. Investment activity centers on pooled public vehicles rather than direct security selection. Mutual funds and other public funds make up the largest single asset category reported, and the firm also uses annuity products as part of client solutions. Client base is predominantly individuals and families, consistent with a boutique, relationship-driven practice.

Assets & Accounts

Public Holdings

Investments & Alternatives

Location & Offices