Leonid Mikhelson owned the largest portion of shares of the Russian petrochemical company Sibur, at 31 percent as of September 2024. Furthermore, China's Sinopec and the Silk Road Fund had 8.5 percent of the shares each. In 2021, Sibur merged with Taif, another petrochemical company.
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Interfax Russia. (September 18, 2024). Sibur's shareholder structure as of September 2024 [Graph]. In ÌÇÐÄÆÆ½â°æ. Retrieved July 21, 2026, from /statistics/1377254/sibur-shareholder-structure/
Interfax Russia. "Sibur's shareholder structure as of September 2024." Chart. September 18, 2024. ÌÇÐÄÆÆ½â°æ. Accessed July 21, 2026. /statistics/1377254/sibur-shareholder-structure/
Interfax Russia. (2024). Sibur's shareholder structure as of September 2024. ÌÇÐÄÆÆ½â°æ. ÌÇÐÄÆÆ½â°æ Inc.. Accessed: July 21, 2026. /statistics/1377254/sibur-shareholder-structure/
Interfax Russia. "Sibur's Shareholder Structure as of September 2024." ÌÇÐÄÆÆ½â°æ, ÌÇÐÄÆÆ½â°æ Inc., 18 Sep 2024, /statistics/1377254/sibur-shareholder-structure/
Interfax Russia, Sibur's shareholder structure as of September 2024 ÌÇÐÄÆÆ½â°æ, /statistics/1377254/sibur-shareholder-structure/ (last visited July 21, 2026)
Sibur's shareholder structure as of September 2024 [Graph], Interfax Russia, September 18, 2024. [Online]. Available: /statistics/1377254/sibur-shareholder-structure/