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David Zbonski LLC
David Zbonski LLC is the family office of David Zbonski, a former DRW Holdings principal, investing in liquid markets and private assets.
David Zbonski LLC
David Zbonski, a former principal at Chicago-based proprietary trading firm DRW Holdings, established David Zbonski LLC as a vehicle to manage personal and family capital. The firm's founding date is not publicly filed. Zbonski's background in trading and quantitative markets shapes the office's investment approach. The office's strategy spans liquid markets, including equities, fixed income, and derivatives, alongside direct private investments. No specific portfolio companies or deal sizes have been disclosed. Geographic focus appears concentrated in North America, though specific regional allocations are unconfirmed. Team size and additional offices are not documented. No philanthropic vehicles or operating companies have been attributed to the firm. As of 2025, no recent operational events—such as new hires or capital raises—are publicly recorded. The firm's structural differentiator is its lean, single-principal architecture tied to Zbonski's proprietary-trading fortune. Without external capital or institutional obligations, the office operates with full discretion and no public reporting requirements, which limits verifiable activity but reflects a typical single-family-office posture (per public record).
General information
Firm type
Family Office
Year founded
—
AUM
Undisclosed
Location
Region
North America
Country
United States
City
—
Corporate office
—
Principals
David Zbonski
Principal
Frequently asked questions
Who runs investment decisions at David Zbonski LLC?
David Zbonski, the firm's principal, likely oversees all investment decisions. No other named professionals or investment committees appear in public records. The office operates with limited public disclosure, typical of single-family offices tied to a trading fortune.
What is David Zbonski's background?
David Zbonski was a principal at DRW Holdings, a Chicago-based proprietary trading firm founded by Donald R. Wilson. His expertise in quantitative trading and risk management likely informs the family office's investment strategy. His career predates the office's formation, but specific dates are not publicly available.
What asset classes does the office invest in?
Based on Zbonski's trading background, the office likely allocates to liquid markets—equities, fixed income, and derivatives—alongside direct private investments. No specific asset-class breakdown has been disclosed. The portfolio's composition remains opaque due to the office's privacy posture.
Does David Zbonski LLC invest in external funds or only direct deals?
Public records do not indicate whether the office makes fund commitments or pursues direct investments exclusively. Given Zbonski's trading history, the office may favor direct positions in public and private markets. The absence of disclosure leaves this question unanswerable from open sources.
How is David Zbonski LLC related to DRW Holdings?
David Zbonski was a principal at DRW Holdings before establishing his own family office. The two entities are legally separate, with DRW remaining under the Wilson family's control. There is no public evidence of ongoing operational ties between the firms.
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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