US Spot Crypto ETFs Pulled In $521 Million on March 3

US spot crypto ETFs recorded approximately $521.45 million in total net inflows on March 3, 2026, with Bitcoin products absorbing $458.20 million and BlackRock accounting for more than half of all BTC purchases on the day.

The Numbers

Every tracked asset category closed green. No outflows anywhere in the dataset.

Bitcoin spot ETFs added 6,970 BTC worth $458.20 million. Ethereum spot ETFs added 19,963 ETH worth $38.70 million. Solana spot ETFs added 201,080 SOL worth $16.80 million. XRP spot ETFs added 5.15 million XRP worth $6.97 million. Dogecoin spot ETFs added 8.23 million DOGE worth $779,100. HBAR, LTC, AVAX, and LINK all recorded zero flows for the day.

The $521.45 million total is the largest single-day inflow figure since the five-week outflow streak ended last week. It follows the CoinShares weekly report showing $1.06 billion in inflows for the prior week, suggesting the momentum from that reversal is carrying into the new week rather than fading.

BlackRock Dominated

Of the 6,970 BTC that entered Bitcoin spot ETFs on the day, BlackRock’s iShares product bought 4,000 BTC worth $263.20 million. That’s 57% of total Bitcoin ETF inflows from a single product. BlackRock also added 13,670 ETH worth $26.50 million on the same day.

Fidelity bought 1,440 BTC worth $94.80 million and 516 ETH worth $1 million. Bitwise added 554 BTC worth $36.40 million and 1,335 ETH worth $2.20 million. Grayscale bought 280 BTC worth $18.40 million and 4,643 ETH worth $9 million.

BlackRock’s 4,000 BTC in a single session is notable relative to the prior week’s pattern. The CoinShares data showed iShares was negative on a month-to-date and year-to-date basis despite contributing significantly to last week’s inflows. A 4,000 BTC single-day purchase suggests the institutional appetite that was absent through January and February is returning in size, not just in direction.

What a Clean Green Day Means

No product in the dataset recorded outflows on March 3rd. That’s a different picture from the prior weeks where net positive days still contained individual products bleeding.

The pattern that matters is persistence. One clean green day after the five-week outflow streak ended last week is consistent with a trend reversal beginning. Two consecutive positive weeks followed by a strong individual day would represent the kind of sustained flow confirmation that the weekly netflow analysis identified as necessary before calling the outflow streak a genuine reversal rather than a one-week anomaly.

March 3rd is one data point in that confirmation sequence. A useful one. Not a complete one.

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