Data: US spot Bitcoin ETF reduced its holdings by 55,348 Bitcoins in 35 days

The latest data shows that US spot Bitcoin ETFs have reduced their Bitcoin holdings by 4.76% since February 6, 2025. From January 1 to February 6, these funds added about 56,802.86 Bitcoins to their balance sheets, but in the past 35 days, the holdings have decreased by 55,348.00 Bitcoins.

As of March 14, the total value of Bitcoin held by these funds was $93.25 billion, accounting for about 5.6% of the total market value of Bitcoin. BlackRock's IBIT consolidated its leading position with a net inflow of $39.24 billion and a holding of 568,559.37 Bitcoins. Fidelity's FBTC followed closely behind in second place, with a total inflow of $11.25 billion and a holding of 194,269.83 Bitcoins. Meanwhile, Grayscale's GBTC remains in third place with 193,870.05 BTC despite recording a net outflow of $22.5 billion.

These three giants - IBIT, FBTC, and GBTC - together account for 85.26% of the entire ETF group's 1.121 million BTC holdings. While there are already 12 spot Bitcoin ETFs operating in the market, a 13th competitor may join the fray. On February 14, Osprey Funds submitted a draft S-1 registration for its Osprey Bitcoin Trust (OBTC) to the U.S. SEC. As of March 16, 2025, OBTC has not yet been approved by the SEC, but according to timechainindex.com, the fund already holds approximately 1,934 Bitcoins, worth up to $160 million.