Cathie Wood Is Buying This Up-and-Coming Biotech Stock. Should You Follow Her Lead?
Ark Invest’s Cathie Wood has continued buying Beam Therapeutics (BEAM), with the most recent purchases last week totaling about $4 million. Wood’s stake is reported at over $300 million. Beam is advancing base-editing programs, including BEAM-302 for alpha-1 antitrypsin deficiency and risto-cel for sickle cell, with FDA filings expected by end-2026. Beam reported $1.21B cash at Q1 and a net loss of $94.3M.
How this was made

The 30-second read
Why it matters
For traders, the main actionable elements are the stated catalyst calendar (BEAM-302 global trial in 2H 2026, risto-cel FDA filing by end-2026) and the stated cash runway through mid-2029, which can influence risk management and event-driven positioning.
Market read
The piece is more of a catalyst-and-cash-runway overview than a new disclosure; it can still inform event-driven expectations for Beam’s 2026 milestones.
What to watch
Competition in gene editing (CRISPR Therapeutics, Verve/Lilly) and the binary nature of clinical success are not accompanied by new comparative evidence in this text.
Background
Cathie Wood’s ARK Invest has been buying Beam since 2020; the article summarizes Beam’s base-editing approach and upcoming clinical/regulatory milestones.
Ticker impact
The article says Beam expects to start a global BEAM-302 trial in 2H 2026 and file for FDA approval for risto-cel by end-2026.
Moderately positive bias, with volatility likely around upcoming clinical readouts and FDA filing expectations.
While the piece is framed as an investor-following question, it provides specific forward-looking milestones (trial start, FDA filing timing) and a quantified cash runway, which can affect near-term positioning and risk appetite for clinical-stage biotech.
Market effects
Reinforces investor focus on base editing versus CRISPR and on multiple clinical catalysts within a cash runway.
Primarily US biotech sentiment given FDA timing references.
Limited, as milestones are US-regulatory and trial execution oriented.
Counterpoint
The article may over-weight narrative differentiation and capital runway while offering no new efficacy/safety datapoints, so the stock could still re-rate on future trial outcomes rather than timelines.
Key entities
- companyBeam Therapeutics
Clinical-stage biotech using base editing; article cites BEAM-302 trial timing, risto-cel FDA filing timing, and cash runway.
- person_or_firmCathie Wood / Ark Invest
Investor whose continued buying is used as the article’s framing for whether to follow.
- companySixth Street
Specialty finance firm referenced as part of Beam’s funding plan supporting operations through mid-2029.

