MSTR MicroStrategy - Largest corporate BTC holder (~214K BTC)
COIN Coinbase Global - Leading US crypto exchange
HOOD Robinhood Markets - Retail trading platform with crypto
SQ Block Inc. (Square) - Cash App BTC trading
PYPL PayPal Holdings - Crypto buy/sell/hold
MARA Marathon Digital - Bitcoin miner
RIOT Riot Platforms - Bitcoin mining & data centers
CLSK CleanSpark - Sustainable Bitcoin miner
HUT Hut 8 Mining - Canadian BTC miner
BITF Bitfarms - Global Bitcoin miner
CIFR Cipher Mining - US Bitcoin miner
CORZ Core Scientific - Digital infrastructure
Publicly traded companies with crypto exposure: holders, exchanges, platforms, and miners.