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ABINGER PARTNERS LLC
Abinger Partners LLC: David T. Simon's family office deploying over $3B in real estate, energy, and private credit from New York.
ABINGER PARTNERS LLC
Abinger Partners LLC was established in 2011 by David T. Simon, who built his wealth through energy and real estate holdings. The firm operates as a single-family office based in New York, NY, with a team of roughly 20 professionals focused on direct investing. The firm employs a hybrid strategy combining equity and debt investments. Its portfolio spans real estate (office, multifamily, and industrial assets), energy transition and infrastructure projects, and private credit. Abinger Partners typically targets direct control positions or co-investments alongside institutional partners, with over $3 billion in capital deployed (per the firm, 2023). Geographic focus includes the United States and select European markets. Abinger Partners LLC maintains a lean operating structure with a team of approximately 20 professionals. The firm does not operate a separate philanthropic foundation publicly, but its principal, David T. Simon, has been active in charitable causes focused on education and healthcare. The firm has not disclosed any recent major vehicle or fund raise in the past two years (as of early 2024). Given the lack of public filings, detailed team composition and investment activity remain opaque. What distinguishes Abinger Partners is its structural focus on control-oriented direct deals rather than fund-of-fund allocations, typical of older single-family offices. The firm functions as an operating company, overseeing portfolio companies directly rather than through external managers. This governance model — built around direct oversight of assets — aligns with the Simon family's active ownership philosophy.
General information
Firm type
Single Family Office
Year founded
2011
AUM
Undisclosed
Location
Region
North America
Country
United States
City
New York
Corporate office
New York, NY, United States
Principals
David T. Simon
Founder & Managing Partner
Sector focus
Frequently asked questions
Who runs investment decisions at Abinger Partners LLC?
David T. Simon, the founder and managing partner, leads investment decisions. The firm's investment committee is composed of senior professionals with backgrounds in real estate, energy, and private equity. External advisors are not publicly disclosed.
How does Abinger Partners source proprietary deal flow?
Abinger Partners sources deals primarily through its direct relationships with sponsors and operators in real estate and energy. The firm has a track record of co-investing alongside institutional partners such as Blackstone and Brookfield (per public announcements, 2022). It does not rely on intermediaries or a public marketing effort.
Is Abinger Partners structured as a single family office or does it operate more like a venture firm?
It is structured as a single family office for the Simon family, but its investment activity resembles a private investment firm. The firm makes direct equity and debt investments with a focus on control positions, similar to a family-controlled asset manager. It does not manage third-party capital.
Does Abinger Partners participate in fund commitments or only direct deals?
The firm participates in both direct investments and fund commitments. While its core focus is direct deals in real estate and energy, it has also committed capital to private equity and credit funds managed by third-party sponsors, though details are limited (per public record, 2021).
What investment stages does Abinger Partners typically target?
Abinger Partners targets growth equity, buyout, and debt positions in mature industries rather than venture-stage startups. Its typical check size is $25–100 million per transaction, concentrating on sectors where the firm has operating experience.
Which sectors does Abinger Partners explicitly avoid?
The firm does not publicly disclose any sectors it avoids, but based on its known investments, it has not shown interest in venture capital, early-stage technology, or public equities. Its portfolio tilts to tangible assets and income-generating instruments.
Where does the underlying wealth of Abinger Partners come from?
The wealth originated from David T. Simon's ventures in energy (oil and gas) and real estate development. The Simon family has not publicly disclosed a specific fortune estimate, but the firm's disclosed deployment of over $3 billion (per the firm) suggests a multi-billion-dollar asset base.
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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