Single Family Office

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7-Main Ltd.

7-Main Ltd. was established in 2007 by Ruthi Wertheimer after the 2006 sale of the family's precision-cutting-tool business IMC Group. The office maintains...

7-Main Ltd. logo

7-Main Ltd.

7-Main Ltd. was established in 2007 by Ruthi Wertheimer after the 2006 sale of the family's precision-cutting-tool business IMC Group. The office maintains headquarters in Herzliya and oversees capital derived from that transaction. Deployment centers on patient minority growth equity in industrial and life-science businesses. Confirmed focuses include Industrial Tech, SpaceTech, and Healthcare Services. Activity spans Europe and the Middle East through direct co-investments and SPVs. The firm has partnered with Exor N.V. on Welltec and maintains ties to Berkshire Hathaway from the original IMC transaction. Additional holdings include multiple industrial parks in Israel and Turkey plus the Ruthi Wertheimer Glass Art Collection. Ruthi Wertheimer participates in the Harvard Advanced Management Program and supports the Glass Art Society. Philanthropic activity includes the Atidim foundation. No public AUM figure exists.

General information

Firm type

Single Family Office

Year founded

2007

Location

Region

Asia

Country

Israel

City

Herzliya

Corporate office

Herzliya, Israel

Principals

Ruthi Wertheimer

Principal

Guy Asher Harmelin

Former Managing Director

Sector focus

Industrial TechSpaceTechHealthcare Services

Frequently asked questions

Who runs investment decisions at 7-Main Ltd.?

Ruthi Wertheimer serves as principal. Former managing director Guy Asher Harmelin previously led operations.

Where does the underlying wealth come from?

The capital originates from the Wertheimer family's 2006 sale of IMC Group to Berkshire Hathaway.

Does 7-Main Ltd. participate in fund commitments or only direct deals?

The office executes direct co-investments and SPVs rather than fund commitments.

What investment stages does 7-Main Ltd. typically target?

Activity centers on growth-stage opportunities in mid-size companies.

How is 7-Main Ltd. related to Exor N.V.?

Ruthi Wertheimer serves on the Exor board and the two entities have co-invested in Welltec.

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.

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