Ken Griffin and Citadel Advisors disclosed a 5.5% stake in Boost Run Inc. (NASDAQ: BRUN). The position consists of more than 1.74 million Class A common shares.

Boost Run is a neocloud AI infrastructure provider that completed a SPAC merger in May. BRUN shares fell 4.55% during Friday intraday trading. The stock price reached $24.36 despite the high-profile backing.

The decline followed a broader pullback in the digital asset market. Bitcoin dropped 1.19% since the previous close. Ethereum slipped 1.03% during the same period.