Global investment bank Goldman Sachs (NYSE:GS) on Wednesday revealed significant investments in Bitcoin (CRYPTO: BTC) exchange-traded funds (ETFs), according to its latest 13F filing. What Happened: The report discloses that Goldman Sachs holds positions in seven out of the 11 Bitcoin ETFs available in the U.S., highlighting a notable shift in the bank’s approach to digital assets. The largest of these holdings is in theiShares Bitcoin Trust (NASDAQ:IBIT), valued at $238.6 million. Other substantial investments include $79.5 million in Fidelity’s Bitcoin ETF (BATS:FBTC), $56.1 million in Inves…