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AUM

Not disclosed

Principals

2

Principal Net Worth

$27.4B

Data Flags

Russian oligarch - subject to international sanctions

Mikhelson Family Office

SFOMedium Confidence

Moscow, Russia

Last verified: Jan 17, 2026

Details

Website
Unknown
Source of Wealth
Energy (Natural Gas - Novatek)
Assets Under Management
Not disclosed
Source File
research/organizations/mikhelson-family-office.md
UID
fo-mikhelson-family-office

Also Known As

Leonid Mikhelson Family OfficeMikhelson Capital

Principals (2)

Leonid MikhelsonChairman & CEO, NovatekOWNS
$27.4B
Family membersKGI/CDIB stakeholdersOWNS

Related Entities (3)

NovatekSubsidiary

Russia's largest independent gas producer (approximately 24% stake)

Sibur HoldingHolding Company

Petrochemicals company (stake)

V-A-C FoundationFoundation

Contemporary art foundation

Relationship Strength

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Sources (4)

Changelog

  • 2026-01-17Fixed filename (was tencent-holdings.md, now mikhelson-family-office.md)
  • 2026-01-17Verified - remains Medium confidence due to sanctions environment affecting verification. Forbes #85 ($27.4B) and Bloomberg confirm billionaire status, but sanctions flags warrant caution
  • 2026-01-16Enriched with biography, net worth ($27.4B), Novatek 24% stake, V-A-C Foundation art philanthropy, Yamal LNG context
  • 2026-01-15Auto-generated from principal Leonid Mikhelson & family

Engagement & Preferences