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Lumbard & Kellner
Lumbard & Kellner LLC is a multi-family office based in the United States, founded by individuals whose names appear in the firm's title.
Lumbard & Kellner
Lumbard & Kellner LLC is a multi-family office based in the United States, founded by individuals whose names appear in the firm's title. The firm acts as a discrete steward of capital for multiple families, offering coordinated investment management, tax optimization, and legacy planning. Without public filings or a notable website, much of the firm's operational history and client base is not verifiable through open sources. The strategy of Lumbard & Kellner likely mirrors that of typical multi-family offices: asset allocation across public equities, fixed income, private equity, and real estate, depending on client mandates. It may also facilitate direct investments or co-investments for its client families, though no specific portfolio companies or deals are confirmed. The firm probably focuses on the United States market, with possible exposure to global opportunities through partnerships. Team size and additional locations are unconfirmed, as Lumbard & Kellner does not appear in mainstream industry directories or press coverage. The firm maintains no visible philanthropic arm or related vehicles. Without a documented public profile, Lumbard & Kellner's structural differentiator cannot be determined. Its privacy itself may be a deliberate feature, serving families who prioritize discretion above all else.
General information
Firm type
Multi Family Office
Year founded
—
AUM
Undisclosed
Location
Region
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Country
—
City
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Corporate office
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Frequently asked questions
Who runs investment decisions at Lumbard & Kellner?
The firm's principals are not identified in public records. Lumbard and Kellner, presumably the founding names, are not linked to any profile or biography online. The firm does not appear in SEC filings or investment databases that would reveal key personnel.
How does Lumbard & Kellner source proprietary deal flow?
The firm's deal sourcing methods are unknown, as it has no public presence. Multi-family offices of this scale typically rely on personal networks, relationships with banks and law firms, and participation in co-investment clubs. Without confirmation, details remain speculative.
Is Lumbard & Kellner structured as a single family office or multi-family office?
The firm uses 'LLC' and its name suggests multiple families may be served, pointing toward a multi-family office structure. However, no official designation is available. Single-family offices often convert to multi-family structures to share costs and expand opportunities, but this cannot be confirmed.
Does Lumbard & Kellner participate in fund commitments or only direct deals?
There is no public evidence of fund commitments or direct deals by Lumbard & Kellner. Comparable multi-family offices allocate a portion of assets to external funds while reserving capacity for direct co-investments. Without disclosure, the firm's preference cannot be stated.
What investment stages does Lumbard & Kellner typically target?
The firm's investment stage preferences are not documented. Multi-family offices commonly balance late-stage private equity, growth equity, and public securities based on client liquidity needs. Venture capital exposure may occur but less frequently for older wealth. No specific stage data exists for this firm.
Which sectors does Lumbard & Kellner explicitly avoid?
No sector exclusions are reported for Lumbard & Kellner. Most family offices set negative screens based on family values — such as avoiding tobacco, firearms, or fossil fuels — but the firm has not made any public statements on this. Allocations likely reflect client-specific preferences.
How is Lumbard & Kellner related to any parent or affiliated entity?
Lumbard & Kellner LLC appears as a standalone entity with no publicly disclosed parent or spinout. The name could derive from a partnership of two families or individuals. No cross-references to other financial firms or family offices exist in public records.
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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