According to Lookonchain, on February 28, 10 Bitcoin ETFs experienced a net outflow of 3,274 BTC, equating to a decrease of $266.53 million. Notably, iShares (Blackrock) accounted for a significant portion of this outflow, with 2,274 BTC valued at $185.1 million, leaving their current holdings at 576,046 BTC valued at $46.9 billion. Similarly, 9 Ethereum ETFs saw a net outflow of 24,029 ETH, which translates to a $51.66 million decrease. iShares (Blackrock) was responsible for an outflow of 11,506 ETH valued at $24.74 million. These outflows are significant indicators for traders monitoring ETF movements in the cryptocurrency markets.

According to Lookonchain, on February 19, Bitcoin ETFs experienced a net outflow of 510 BTC, equivalent to $49.92 million, primarily driven by Fidelity's outflow of 502 BTC valued at $49.1 million. Fidelity currently holds 207,826 BTC, amounting to $20.34 billion. Conversely, Ethereum ETFs saw a net inflow of 9,368 ETH, totaling $25.9 million, with Fidelity contributing significantly with an inflow of 8,997 ETH worth $24.87 million. Fidelity's current holdings in Ethereum reach 467,650 ETH, valued at $1.29 billion.

According to Lookonchain, the net flow for Bitcoin ETFs on February 4th showed an outflow of 2,094 BTC, equivalent to $209.53 million. Notably, Fidelity experienced significant outflows amounting to 1,790 BTC, valued at $179.12 million, yet maintains a substantial holding of 211,843 BTC, worth $21.2 billion. Conversely, Ethereum ETFs recorded an inflow of 10,314 ETH, totaling $29.09 million. Fidelity's Ethereum inflows were substantial, with an addition of 18,156 ETH, valued at $51.2 million, bringing their total holding to 437,658 ETH, valued at $1.23 billion.

According to Lookonchain, January 15 saw significant outflows from Bitcoin and Ethereum ETFs. Bitcoin ETFs experienced a net outflow of 3,062 BTC, equivalent to $302.76 million, primarily driven by Blackrock's (iShares) outflow of 2,274 BTC worth $224.9 million. Blackrock currently holds 553,993 BTC, valued at $54.78 billion. Meanwhile, Ethereum ETFs saw a net outflow of 16,114 ETH, totaling $53.01 million, with the Grayscale Ethereum Mini Trust accounting for 12,250 ETH or $40.3 million of that outflow. These movements could indicate a short-term bearish sentiment among institutional investors.