Who Moves Both Iran’s And Russia’s Sanctioned Oil?
The US Treasury hit Iranian magnate Hossein Shamkhani with 50 new sanctions on July 14, exposing a Dubai network moving both Iranian and Russian crude.
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One name now sits at the center of both the Iranian and the Russian sanctions maps, and on July 14 the US Treasury put more than fifty fresh targets around it.
For years the shadow fleet was described as a scattering of anonymous owners, rented flags and disposable shell companies with no one obviously in charge. The US Treasury's July 14, 2026 action tells a different story: much of the tonnage moving sanctioned Iranian and Russian oil answers, directly or indirectly, to one Dubai-based businessman and the corporate lattice around him. His name is Mohammad Hossein Shamkhani, and Washington has now sanctioned more than 200 individuals, entities and vessels tied to his patronage. Compliance desks that once treated Iran risk and Russia risk as two separate files are learning they are looking at the same network. The question is no longer whether Washington can name the network. It is whether naming it changes anything, and the answer is below.
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→ October 2024: Bloomberg reports that Shamkhani’s hedge fund, Ocean Leonid, was managing hundreds of millions of dollars from London (Bloomberg)
→ July 30, 2025: OFAC’s largest Iran-related action since 2018 hits the Shamkhani network with over 115 designations, including more than 50 vessels (US Department of the Treasury, July 2025)
→ August 21, 2025: The United Kingdom freezes Hossein Shamkhani and four firms, including Admiral, Milavous and Ocean Leonid (UK FCDO and OFSI)
→ April 2026: OFAC’s “Economic Fury” round widens the net to House of Shipping Investment and the Oriel Group (US Department of the Treasury, April 2026)
→ July 2, 2026: A Shamkhani-linked tanker is reported stranded in the Strait of Hormuz as regional tension flares (Al Jazeera)
→ July 14, 2026: OFAC designates more than 50 additional targets, passing 200 cumulative, and names tankers DARIKA and VIRENT for carrying Russian cargoes (US Department of the Treasury, July 14, 2026)
Sources: US Department of the Treasury (OFAC), July 2025, April 2026 and July 14, 2026; UK FCDO and OFSI, August 21, 2025; Kharon; Bloomberg; Al Jazeera








