Ace hedge fund manager Cathie Wood’s ARK Invest ETFs (exchange-traded funds) executed several notable trades on Friday, September 5, 2025, according to the funds’ daily disclosures. The moves highlight ARK’s continued conviction in crypto-linked names Bitmine Immersion Technologies (BMNR) and Bullish (BLSH), while trimming positions in streaming giant Roku (ROKU), online sports betting platform DraftKings (DKNG), and semiconductor testing company Teradyne (TER).
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Wood Boosts Crypto Exposure
The largest trade of the day was in BMNR, an Ethereum-focused mining company that has become one of ARK’s top bets. The ARK Innovation ETF (ARKK) bought 323,186 shares worth $10.8 million, the ARK Next Generation Internet ETF (ARKW) added 104,244 shares for $3.5 million, and the ARK Fintech Innovation ETF (ARKF) picked up 50,068 shares valued at $2 million. In total, ARK funds acquired 477,498 shares of BMNR worth nearly $16.3 million, adding to recent buys and showing Wood’s belief in Bitmine’s role in Ethereum.
ARK also disclosed a fresh buy in Bullish, the newly listed crypto exchange. Across its ETFs, ARK purchased about $7.2 million worth of BLSH shares. The buy shows Wood’s push to widen ARK’s exposure to digital assets beyond mining and staking.
On Friday, BMNR shares slipped 1.17%, while BLSH shares were down 1.53%.
Wood Trims Stakes in ROKU, DKNG and TER
On the selling side, ARK continues to trim its stake in Roku. The ARKK ETF sold 104,713 shares worth $6.4 million, the ARKW ETF sold 47,512 shares for $2.9 million, and the ARKF ETF cut 29,144 shares valued at $1.7 million. In total, the funds unloaded about 181,000 shares of Roku worth $11 million. Roku still remains one of the largest holdings across ARK’s combined portfolios.
Similarly, Wood continued to cut back her exposure to DraftKings, shedding 109,431 shares for a total value of $5.8 million.
Another adjustment came in Teradyne, where the ARKK ETF sold 85,214 shares valued at roughly $5.7 million. The move adds to Wood’s recent pattern of trimming exposure to semiconductor testing companies as she reallocates capital toward higher-conviction growth themes.
Let’s take a brief look at how all these stocks perform on TipRanks’ Stock Comparison Tool:
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