Private company

Susquehanna International Group

Logo: Susquehanna International Group, Public domain, via Wikimedia Commons4

Trading firm

The Susquehanna International Group (SIG) is an electronic market making company. Its headquarters are in Bala Cynwyd, Pennsylvania.2 It was founded by Arthur Dantchik and Jeff Yass.1 Wikipedia text CC BY-SA 4.0

Last updated Oct 20, 2026.

Overview

1987Founded1
  • Industryinvestment1
  • HeadquartersBala Cynwyd1
  • Websitewww.sig.com
  • Legal formLimited Liability Company3
  • LEI5493007BQ353ZEOVY0423
  • StatusActive3
  • LEI statusIssued and current3
  • Registered addressC/O Corporation Service Company, 19808 Wilmington, United States3
  • Registered withDivision of Corporations, Department of State, 31347893

See how the biggest companies compare on our leaderboards

Susquehanna International Group Main Office
Photo: OtoPhuploader, CC0, via Wikimedia Commons7

The Susquehanna International Group (SIG) is an electronic market making company. Its headquarters are in Bala Cynwyd, Pennsylvania.2

Corporate structure

Susquehanna International Group sits at the top of its group. 4 entities, 3 countries on record. Switch between the flow chart and the network, and select any entity to see its details.

Built from parent and subsidiary links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); subsidiaries, stakes and holdings from Wikidata (CC0). Each entity in the chart links to its source.

What it owns

What Susquehanna International Group reports owning in its annual reports to the SEC: buildings, land and equipment, real estate and locations, investments, intangible assets and inventory, at the end of its latest fiscal year and a year before.

Stakes and holdings (Wikidata)

Things Wikidata records the company as owning, with the share when stated.1

The story

Founded by Arthur Dantchik and Jeff Yass in 1987.1

Leadership

Who has led Susquehanna International Group, and when. Pick a name to see everywhere that person has worked.

Subsidiaries and ownership

Also owns

Subsidiaries (GLEIF)

From Wikidata.1 Ownership links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); each one cites its LEI record.

Timeline

  1. 1987Founded Founded1

Sources

The numbers on this page point here. Each one links to the record it came from.

  1. 1
  2. 2
  3. 3
  4. 4
  5. 5
  6. 6
  7. 7