According to Odaily, ARK Fund has significantly reduced its holdings in Grayscale Bitcoin Trust (GBTC), with approximately 134,992 GBTC worth an estimated $3.19 million sold since October. This information comes from ARK Fund's position data. As of the close of trading last Friday, GBTC was valued at $23.64.Additional data sourced from Coinglass indicates a 13.12% negative premium rate for GBTC currently. The report didn't disclose the factors underpinning ARK Fund's strategic GBTC downsizing and what impact it might ensue on Grayscale's Bitcoin product in the context of its current negative premium.