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AUM

Estimated $1-2B

Principals

2

Principal Net Worth

$1.3B

Data Flags

Alfa Group co-founder; LetterOne co-founder; Russian oligarch; Net worth verified Forbes ($1.3B) + Bloomberg ($4.2B historical)

Kosogov Family Office

SFOHigh Confidence

Moscow, Russia / London, UK (LetterOne)

Last verified: Jan 17, 2026

Details

Source of Wealth
Finance & Investments (Alfa Group, LetterOne)
Assets Under Management
Estimated $1-2B
Source File
research/organizations/kosogov-family-office.md
UID
fo-kosogov-family-office

Also Known As

Andrei Kosogov Family OfficeAndrey Kosogov (alternate spelling)Kosogov CapitalAlfa Group partner

Principals (2)

Andrei KosogovFounder/PrincipalOWNS
$1.3B
Family membersKGI/CDIB stakeholdersOWNS

Team Members (5)

Andrzej KozlowskiTitle TBD
WORKS_AT
Asia ForestTitle TBD
WORKS_AT
Boris YeltsinTitle TBD
WORKS_AT
Country ProgramTitle TBD
WORKS_AT
Nikolaevich KosogovTitle TBD
WORKS_AT

Related Entities (4)

Alfa BankSubsidiary

Russia's largest private bank (Alfa Group)

Alfa CapitalInvestment Vehicle

Asset management

Alfa Group stakeSubsidiary

Russian financial-industrial conglomerate

LetterOneSubsidiary

International investment firm (co-founder)

Relationship Strength

Loading relationships...

Sources (5)

Changelog

  • 2026-01-17Verification upgrade to High - Net worth verified at $1.3B (Forbes #2479 2025 Billionaires); Bloomberg reported $4.2B (2022) when sanctioned partners transferred stakes; CEOWORLD confirms $1.3B; 2-source verification
  • 2026-01-16Enriched with biography, Alfa Group co-founding, LetterOne, Alfa Asset Management, updated net worth to $1.1B
  • 2026-01-15Auto-generated from principal Andrei Kosogov

Engagement & Preferences