Inflows into the 12 spot Bitcoin exchange-traded funds surged by nearly 168% on Dec. 12, pushing the total net inflows for these investment products above $35 billion for the first time.

According to data from SoSoValue, inflows into Bitcoin ETFs reached $597.57 million on Thursday, significantly higher than the $223.03 million recorded the previous day—a surge of nearly 168%. This marked the 11th consecutive trading day of inflows, bringing a total of over $4.4 billion into these investment products and pushing total net inflows into Bitcoin ETFs to $35.17 billion for the first time.

The majority of inflows were directed toward BlackRock’s IBIT, which saw $431.6 million enter the fund following a day of no inflows. Notably, BlackRock, the largest asset manager by net assets, has achieved a cumulative net flow of $35.49 billion since the fund’s inception.

Grayscale Bitcoin Mini Trust recorded the second-highest inflows on Thursday, with $110.76 million entering the fund. Other contributions came from Bitwise’s BITB and Fidelity’s FBTC, which saw inflows of $61.45 million and $30.54 million, respectively. ARK and 21Shares’ ARKB and WisdomTree funds reported more modest inflows of $8.97 million and $2.65 million.

Grayscale’s GBTC fund stood out as the only outlier of the day, reporting $48.4 million in outflows. The remaining five Bitcoin ETFs maintained neutral positions with no net inflows or outflows.

The total trading volume for Bitcoin ETFs reached $3.15 billion on Dec. 12, lower than the $3.97 billion recorded the previous day.

At the time of reporting, Bitcoin (BTC) was trading at $99,985 per coin, down 0.7%.

Ethereum ETFs record $273.67m in Inflows

Spot Ethereum ETFs also experienced a surge in inflows on Dec. 12, with $273.67 million recorded—a significant 168% increase from the $102.03 million seen the previous day.

BlackRock’s ETHA fund captured the majority of the inflows, attracting $202.31 million. Grayscale Ethereum Mini Trust followed, bringing in $73.22 million. Fidelity’s FETH and 21Shares contributed with inflows of $19.42 million and $1.55 million, respectively.

However, Grayscale’s ETHE fund reported $22.83 million in outflows on Dec. 12, increasing its total outflows since launch to $3.52 billion.

As of the report, cumulative net inflows for Ethereum ETFs amounted to $2.24 billion. Ethereum (ETH) was trading sideways, priced at $3,917 per coin.