"Canadian Pacific and Kansas City Southern combine to create CPKC "

"CP completed its US$31 billion acquisition of KCS on Dec. 14, 2021. Immediately upon the closing of that acquisition, shares of KCS were placed into a voting trust, which ensured that..." (CPKC, 2023) 

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References:
CPKC. (2023, Apr 14th) Canadian Pacific and Kansas City Southern combine to create CPKC . Retrieved from CISION PR Newswire: https://www.prnewswire.com/news-releases/canadian-pacific-and-kansas-city-southern-combine-to-create-cpkc-301797507.html