According to the data on the Arkham chain, the current number of BTC in Mt. Gox’s encrypted wallet is at least 137,000, with a total value of approximately $5.5 billion. If unlocked in the short term, it could potentially cause selling pressure in the market.
"Waiting for Redemption: Mt.GOX and GBTC Hold a Combined 700,000 Bitcoins in Limbo"