Beam Therapeutics Inc
Ownership
Ownership Structure
Who owns Beam Therapeutics Inc (BEAM)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 85.4% of the shares are freely tradable; institutional investors hold 107.0%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| FMR Inc | 12.06 | 12,452,199 | +4.6 | 03/31/2026 |
| ARK Investment Management LLC | 11.75 | 12,133,433 | -2.7 | 03/31/2026 |
| Farallon Capital Management, L.L.C. | 9.81 | 10,134,696 | +0.7 | 03/31/2026 |
| BlackRock Inc | 8.22 | 8,487,569 | +0.4 | 03/31/2026 |
| State Street Corp | 5.52 | 5,699,265 | +9.0 | 03/31/2026 |
| Vanguard Portfolio Management, LLC | 4.43 | 4,570,797 | +0.0 | 03/31/2026 |
| ARCH VENTURE CORP | 4.40 | 4,540,132 | +0.0 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| ARK Disruptive Innovation Full Composite | 6.10 | 6,296,854 | -25.1 | 06/30/2026 |
| ARK Innovation ETF | 5.67 | 5,853,508 | -0.9 | 08/31/2026 |
| Fidelity Growth Compy Commingled Pl S | 4.50 | 4,643,473 | +0.0 | 07/31/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Simon Amy | Chief Medical Officer | 85,696 | 2,142,400 $ | Jul 27, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Jul 27, 2026 | Simon Amy | Chief Medical Officer | Sell | 16,667 | 25.74 | 429,037 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: September 18, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.