Key Insights
- Inflows into Bitcoin ETFs hit $202 million on March 16.
- BlackRock’s IBIT recorded the highest single-day net inflow of $139.40 million.
- Ethereum spot ETFs added $35.90 million on the day.
Bitcoin ETFs inflow reached $201.62 million on March 16, 2026, the sixth straight day of net positive flows into US Bitcoin spot products, according to data from SoSoValue.
Total net assets across all US Bitcoin ETFs climbed to $95.77 billion on the day, up from $91.83 billion at the close of the prior week.
The daily figure pushed cumulative total net inflows across all US Bitcoin ETFs to $56.34 billion. Total value traded on March 16 reached $3.68 billion, slightly below the $4.93 billion recorded on March 13.
Bitcoin ETFs Inflow Led by BlackRock IBIT With $139M
BlackRock’s iShares Bitcoin Trust, listed on NASDAQ under the ticker IBIT (NASDAQ: IBIT), recorded the largest single-day net inflow of any Bitcoin ETF on March 16 at $139.40 million.
The fund absorbed 1,880 BTC on the day and now holds a cumulative net inflow total of $63.21 billion, by far the largest of any Bitcoin spot product in the US market.
Fidelity’s Wise Origin Bitcoin Fund (CBOE: FBTC) ranked second with $64.53 million in daily net inflows and 871.15 BTC added. Its cumulative total net inflow stands at $11.05 billion.
Bitwise’s Bitcoin ETF (NYSE: BITB) added $2.82 million on the day across 38.02 BTC, bringing its cumulative net inflow to $2.16 billion.
Valkyrie’s Bitcoin Fund (NASDAQ: BRRR) recorded $2.09 million in daily inflows across 28.22 BTC, while Franklin’s Bitcoin ETF (CBOE: EZBC) added $2.14 million across 28.91 BTC.
Both products carry cumulative net inflows of $333.44 million and $370.50 million, respectively.
Ark & 21Shares’ Bitcoin ETF (CBOE: ARKB) posted an outflow of $3.07 million, equal to 41.48 BTC leaving the fund.
VanEck’s Bitcoin ETF (CBOE: HODL) recorded an outflow of $6.28 million, or 84.84 BTC. Grayscale’s GBTC (NYSE: GBTC) and its newer Bitcoin Mini Trust (NYSE: BTC) both recorded zero net flows on the day.
GBTC carries a cumulative net outflow of $25.93 billion, while the Bitcoin Mini Trust holds a cumulative net inflow of $2.18 billion.
Invesco’s Bitcoin ETF (CBOE: BTCO) and WisdomTree’s Bitcoin Fund (CBOE: BTCW) also recorded no flows on the day, while Hashdex’s DEFI (NYSE: DEFI) similarly saw no movement.
Daily Inflow Streak Builds on Strong Prior Week
The six-day inflow streak for Bitcoin ETFs follows a week ending March 13 that produced $767.33 million in total weekly net inflows, itself the third consecutive positive week.
Daily data from the prior week shows inflows on every single trading session, ranging from $53.87 million on March 12 to a high of $250.92 million on March 10.
Total net assets for Bitcoin spot ETFs have risen steadily across the streak. From $88.34 billion on March 9, assets climbed to $90.02 billion by March 10, reached $91.83 billion by March 13, and jumped to $95.77 billion by March 16.
Ethereum ETFs Record Fifth Straight Day of Inflows
Ethereum ETFs recorded $35.90 million in daily net inflows on March 16, extending their positive daily streak to five consecutive sessions.
Total net assets across US Ethereum spot ETFs reached $13.63 billion on the day, up from $12.26 billion at the end of the prior week. Cumulative total net inflows for Ethereum spot ETFs climbed to $11.83 billion.
The March 16 figure was below the $115.85 million recorded on March 12 and the $57.01 million seen on March 11.
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