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Wynnefield Capital, Inc.
Nelson Obus and Michael Winer have run Wynnefield Capital, a deep-value small-cap activist firm, since 1992.
Wynnefield Capital, Inc.
Wynnefield Capital was founded in 1992 by Nelson Obus, who brought activist investing principles to small- and micro-cap public equities. Michael Winer joined as Co-CIO soon after, and the two have operated the firm with a value-oriented, catalyst-driven approach that targets companies under $2 billion market cap. Wealth origin for the principals is not publicly disclosed, but the firm's strategy draws from Obus's early career in value-oriented asset management. The firm's strategy centers on deep fundamental analysis of overlooked or misunderstood small- and micro-cap companies, often in sectors such as industrials, technology, and financials. Wynnefield actively engages with management teams and boards—filing shareholder proposals, initiating proxy contests, and sometimes pursuing litigation—to surface hidden value. Confirmed positions have included companies like CD International Enterprises and Air Industries Group, as disclosed in public filings. The geographic focus is almost exclusively United States equities. Wynnefield operates with a lean team of approximately five professionals and projects the posture of a focused activist hedge fund rather than a diversified asset manager. The firm does not publicly disclose AUM, but market observation and its small portfolio size suggest assets under $500 million. No additional offices or philanthropic vehicles are publicly known. In November 2022, the firm publicly criticized the board of a small-cap holding via an SEC filing, consistent with its activist approach. A structural differentiator is Wynnefield's concentrated activist model applied to the smallest public companies—a segment that has less coverage and fewer activist entrants than mid- or large-cap markets. The firm's small team and nimble decision-making allow it to move quickly on special situations, and its longevity since 1992 provides a track record through multiple market cycles.
General information
Firm type
Asset Manager
Year founded
1992
AUM
Under $500 million (Altss estimate)
Location
Region
North America
Country
United States
City
New York
Corporate office
New York, NY, United States
Principals
Nelson Obus
Managing Member & Co-Chief Investment Officer
Michael Winer
Managing Member & Co-Chief Investment Officer
Sector focus
Frequently asked questions
Who runs investment decisions at Wynnefield Capital?
The firm is led by Co-Chief Investment Officers Nelson Obus and Michael Winer, who have managed Wynnefield since its founding in 1992. Both principals are involved in stock selection, portfolio construction, and activist engagements.
What investment style does Wynnefield Capital use?
Wynnefield employs a deep-value, activist investment strategy focused on small- and micro-cap public equities. The firm seeks companies trading at a discount to intrinsic value and uses engagement, proxy fights, and litigation to unlock shareholder returns.
Does Wynnefield Capital invest in fund commitments or only direct deals?
Wynnefield invests directly in public equity positions, not through fund-of-funds or external manager commitments. The firm constructs a concentrated portfolio of small-cap stocks where it can exert activist influence.
Which sectors does Wynnefield Capital typically avoid?
The firm generally avoids large-cap equities, passive index strategies, and sectors with limited potential for activist influence, such as regulated utilities or very stable consumer staples.
What is Wynnefield Capital's geographic focus?
Wynnefield invests almost exclusively in United States-listed equities. The firm's strategy relies on the U.S. legal and regulatory framework for shareholder activism.
How is Wynnefield Capital related to other investment firms?
There is no publicly disclosed relation to other asset managers or family offices. Wynnefield operates as an independent registered investment advisor.
Has Wynnefield Capital been involved in notable activist campaigns?
Yes, the firm has a history of filing proxy proposals and engaging in litigation to challenge company boards and management. For example, in November 2022, it publicly criticized board governance at a small-cap holding through an SEC filing.
Profile maintained by Altss using OSINT (open-source intelligence), regulatory filings, licensed data partners, and verified direct submissions. Read the methodology. Last updated: . Continuous refresh with full update cycles at least every 30 days.
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