CoinMeta data: According to bbx, Pioneer Group ( Vanguard ) has for the first time established a position in the Japanese Bitcoin treasury Metaplanet through its subsidiary ETF, investing $7.5 million to purchase 4.5 million shares. Meanwhile, Ark Invest spent $5.23 million to acquire 65,000 shares of Circle, increasing its stake in the on-chain dollar issuance hub. In addition, DEFI Development increased its position by 5,346 SOL at a high level, pushing its underlying position up to 2.595 million. The market is showing a trend where traditional broad-based index funds are expanding their implicit crypto exposure by passively holding stocks of Bitcoin treasuries.