Jane Street, a prominent quantitative trading firm managing a staggering $505 billion, has significantly increased its exposure to Bitcoin ETFs. According to a recent report from a well-known Bitcoin historian, the firm's BTC ETF holdings have now reached $3.4 billion. This substantial investment underscores the growing acceptance of Bitcoin ETFs among institutional investors. Jane Street's move suggests a bullish outlook on Bitcoin's future performance, further legitimizing the asset class within traditional finance. The increased holdings also impact Bitcoin's liquidity, potentially leading to more stable price action. This development is being closely watched by the crypto community and financial analysts alike. ```