The Mormon Church's $100 billion fund made a 900% gain on GameStop last quarter.
Ensign Peak Advisors' stake surged in value from below $900,000 to $8.7 million.
The church fund also boosted its Tesla stake by 39% after growing it 3,500% last year.
The Mormon Church was a surprise winner from the GameStop short squeeze, racking up a 900% gain on the meme stock last quarter, regulatory filings show.
Ensign Peak Advisors - the secretive $100 billion investment arm of the Church of Jesus Christ of Latter-Day Saints - bought 46,000 GameStop shares in the fourth quarter of 2020.
It bolstered the position by another 39% to nearly 650,000 shares last quarter.
The fund's Tesla stake was worth $433 million at the end of March, making it Ensign's 15th biggest holding. »