BEAM ▲ +2.7% - Beam Therapeutics Inc. $BEAM Cathie Wood's ARK Investment buys 271K shares of Beam Therapeutics Beam Therapeutics rose 2.7% today after ARK Investment Management, led by prominent investor Cathie Wood, purchased 271,000 shares of the company. The large institutional buy signals confidence in the biotech firm and likely boosted investor sentiment around its prospects. 10-SEP-2026 05:24 AM ET