BlackRock has big influence in the Bitcoin ecosystem, but who owns BlackRock?

BlackRock has big influence in the Bitcoin ecosystem. For example with the development of the Bitcoin ETF (IBIT) and investments within the Bitcoin Mining Industry (such as Marathon and Riot) but who owns large chunks of BlackRock?

• The Vanguard Group, Inc. = 8.23%
• BlackRock Fund Advisors = 4.42%
• SSgA Funds Management, Inc. = 3.93%
• Temasek Holdings Pte Ltd. (Investment Management) = 3.42%
• Capital Research & Management Co. (Global Investors) =2.63%
• Capital Research & Management Co. (World Investors) = 2.36%
• Managed Account Advisors LLC = 2.16%
• Charles Schwab Investment Management, Inc. = 2.13%
• Morgan Stanley Smith Barney LLC (Investment Management) = 1.90%
• Geode Capital Management LLC = 1.78%

(Source: The Financial Times 12 April 2024 

[https://markets.ft.com/data/equities/tearsheet/profile?s=BLK:NYQ]