It seems like these days, Yandex is just one of multiple stock holders; see:

https://en.wikipedia.org/wiki/ClickHouse

"ClickHouse, Inc. is a Delaware company with headquarters in the San Francisco Bay Area. We have no operations in Russia, no Russian investors, and no Russian members of our Board of Directors."

Source - https://clickhouse.com/blog/we-stand-with-ukraine

"A Delaware company" ... funny :-)

Also scary how disciplined US society is, with everyone informally-required to actively cheer the proxy war (while no company "stands with Yemen" for example).