According to Foresight News, Grayscale's official data reveals an increase in their Bitcoin (BTC) holdings. As of May 16, Grayscale Bitcoin Trust (GBTC) holds 288,895.0681 BTC, an increase of 397.4138 BTC from the previous trading day.

In addition to the increase in BTC holdings, the asset management scale of GBTC, under non-GAAP (Generally Accepted Accounting Principles), stands at $18,826,875,577.35. The circulating shares are reported to be 324,730,100.

This data indicates a positive trend in Grayscale's BTC holdings and asset management scale, reflecting a growing interest in the cryptocurrency market.