Single Family Office

Updated:

Saber Asset Management

John Saber runs Saber Asset Management, a concentrated-value single-family office spun from his public-markets partnership.

Saber Asset Management

Saber Asset Management operates as the family office vehicle for investor John Saber, who established the entity as an evolution of his registered investment advisory firm, Saber Capital Management. Saber's public-market career was built on applying a concentrated value philosophy modeled explicitly on the Buffett partnership years and early Berkshire Hathaway era. The wealth managed by the family office stems directly from the compounding of investment returns generated since the original partnership's 2012 launch, rather than from an operating-company exit. The strategy is pointedly narrow: Saber invests across public equities with a private-owner mindset, typically holding 8 to 12 core names with multi-year holding periods. The book spans enterprise software, payments and media — historically confirmed positions have included Alphabet, Mastercard and Liberty Media (per public filings and Saber's published annual letters). The geographic footprint is concentrated in North America, with select exposure to Asian technology platforms through ADR-listed or Hong Kong-listed securities. The office does not appear to participate in real estate, private equity funds, or direct startup investing in a material way. John Saber is the founder and sole portfolio manager, running the entity with a deliberately lean structure from the New York area. The firm's size and headcount are not publicly disclosed, reflecting its posture as a private investment company rather than a multi-generational institutional family office. No adjacent philanthropic foundations, operating businesses, or co-investor club memberships tied to Saber Asset Management have been identified in public sources. Saber's structural distinction is the durability of its intellectual lodestar: the firm is built atop a published investment framework that is unusually transparent for a family office. Saber has written extensively on patience, discounted cash-flow analysis and concentration as a source of edge, and the family-office structure simply removes the duration mismatch between a public fund's limited partners and the long compounding arcs the philosophy requires.

General information

Firm type

Single Family Office

Year founded

AUM

Undisclosed

Location

Region

North America

Country

United States

City

New York

Corporate office

New York, NY, United States

Principals

John Saber

Founder

Sector focus

Enterprise SoftwareMedia & EntertainmentFinancial Services

Frequently asked questions

Who runs investment decisions at Saber Asset Management?

John Saber is the founder and sole portfolio manager. He developed his concentrated value approach at Saber Capital Management, the advisory firm he founded in 2012, and Saber Asset Management serves as his family-office vehicle for continuing that strategy with permanent capital.

How does Saber Asset Management source investment ideas?

Saber uses a fundamental, research-intensive process centered on owner-earnings analysis and discounted cash flow modeling. The firm focuses on high-quality businesses with durable competitive advantages that can be held for extended periods, an approach Saber has detailed in annual letters and public investment presentations.

Does Saber Asset Management make private investments, or is it focused only on public markets?

The firm's strategy has historically been concentrated in publicly traded equities. There is no public evidence of material allocations to private equity, venture capital, or direct private-company deals, which distinguishes it from family offices that run blended portfolios across asset classes.

Is Saber Asset Management registered as an investment advisor?

Saber Capital Management, the predecessor entity, was registered as an investment advisor with the SEC. Saber Asset Management operates as the family office, and single-family offices that manage only family capital and do not hold themselves out to the public as investment advisors are generally exempt from SEC registration.

What is Saber's investment philosophy?

Saber follows a concentrated value philosophy: buying shares in a small number of high-quality, predictable businesses at prices below their intrinsic value and holding them for years. The approach explicitly draws on the principles of Warren Buffett's early partnership years, emphasizing patience, independent thinking, and long compounding arcs.

Does Saber Asset Management manage outside capital?

Saber Capital Management previously managed outside client capital as a registered investment advisor. Saber Asset Management, as a single-family office, is understood to manage only John Saber's personal and family capital, though the exact transition date and the current status of any legacy external relationships are not publicly detailed.

What sectors does Saber Asset Management typically invest in?

Confirmed positions have spanned enterprise software, digital media, payments and financial services. Saber has owned Alphabet, Mastercard, and Liberty Media across reporting periods, and publicly available commentary suggests the firm looks for asset-light, scalable business models with recurring revenue characteristics.

Profile maintained by 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.

Need institutional-grade insight on family offices?

Altss delivers:

Principals with verified direct contactsAllocation history by asset classOSINT-derived deal signals
Book a demo

Prefer a guided tour?

We’ll walk you through:

Interactive funding timelinesCustom mandate & allocation filters
Book a demo