Cathie Wood’s Ark Invest purchased about $16.1 million worth of Coinbase and Robinhood shares on Tuesday, buying the dip as geopolitical tensions weighed on global equities.The investment firm added the crypto-linked stocks across multiple exchange-traded funds as markets reacted to continued uncertainty surrounding the U.S.–Iran conflict.Ark Invest Adds $4M in Coinbase SharesAccording to trade filings from ARK Invest, the firm purchased 22,452 shares of Coinbase through its ARKK, ARKW and ARKF exchange-traded funds.Based on Tuesday’s closing price of $182.36, the purchase was worth approximately $4.09 million.Despite the buying activity, Coinbase shares fell 1.55% during the session as broader equity markets declined.$12M Invested in RobinhoodArk also increased its position in Robinhood Markets, acquiring 158,587 shares through the same ETFs.With Robinhood closing at $76.07, the purchase was valued at roughly $12.06 million.Robinhood stock dropped 3.44% on Tuesday, reflecting broader pressure on technology and fintech equities.Market Volatility Driven by Geopolitical TensionsThe purchases came during a volatile trading session triggered by geopolitical uncertainty surrounding the U.S.–Iran conflict.Major U.S. indices declined:Nasdaq Composite: down about 1%S&P 500: down 0.94%Crypto-related equities, including Coinbase and Robinhood, were among the stocks affected by the risk-off sentiment.Ark Continues Strategy of Buying Crypto Stocks on DipsArk Invest has been actively adjusting its exposure to crypto-related companies throughout early 2026, frequently adding positions during market pullbacks.In addition to Coinbase and Robinhood, the firm has also recently accumulated shares of companies such as:CircleBullishThe strategy reflects Ark’s long-term conviction in digital asset infrastructure and platforms connected to the crypto economy.Coinbase and Robinhood Remain Top ARK HoldingsAccording to Ark’s latest disclosures:Coinbase (COIN) is the 6th-largest holding in the ARK Innovation ETF (ARKK) with a 4.21% weighting, valued at about $281.2 million.Robinhood (HOOD) ranks 7th, representing 4.07% of the fund.Circle follows as the 8th-largest position at 4.05%.Ark’s portfolio structure also caps individual positions at roughly 10% of any ETF, ensuring diversification and prompting periodic rebalancing as market values change.Ark’s latest purchases highlight the firm’s strategy of accumulating crypto-related equities during market downturns, positioning its funds for potential upside as the digital asset industry continues to expand, according to The Block.