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. 85.5% of the shares are freely tradable; institutional investors hold 107.0%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| FMR Inc | 12.21 | 12,609,002 | +1.3 | 06/30/2026 |
| Farallon Capital Management, L.L.C. | 9.91 | 10,236,396 | +1.0 | 06/30/2026 |
| ARK Investment Management LLC | 9.91 | 10,234,862 | -15.6 | 06/30/2026 |
| BlackRock Inc | 8.71 | 8,997,542 | +6.0 | 06/30/2026 |
| State Street Corp | 5.64 | 5,827,122 | +2.2 | 06/30/2026 |
| Vanguard Portfolio Management, LLC | 4.76 | 4,921,259 | +7.7 | 06/30/2026 |
| Vanguard Capital Management, LLC | 4.45 | 4,599,437 | +5.1 | 06/30/2026 |
| ARCH VENTURE CORP | 4.40 | 4,540,132 | +0.0 | 06/30/2026 |
| Amova Asset Management Americas, Inc | 3.35 | 3,455,043 | -9.7 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| ARK Innovation ETF | 7.12 | 7,356,306 | -7.3 | 09/30/2026 |
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 |
|---|---|---|---|---|---|
| Evans John M. | CEO | 1,047,205 | 27,122,610 $ | Oct 16, 2026 | direct |
| Ciaramella Giuseppe | President | 130,504 | 3,380,054 $ | Sep 24, 2026 | direct |
| Simon Amy | Chief Medical Officer | 85,696 | 2,219,526 $ | Jul 27, 2026 | direct |
| Cavanagh Bethany J | SVP, Finance and Treasurer | 50,984 | 1,320,486 $ | Oct 1, 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 |
|---|---|---|---|---|---|---|
| Oct 16, 2026 | Evans John M. | CEO | Sell | 25,000 | 23.98 | 599,595 |
| Oct 16, 2026 | Evans John M. | CEO | Other | 25,000 | 1.03 | 25,750 |
| Oct 15, 2026 | Evans John M. | CEO | Sell | 25,000 | 23.57 | 589,150 |
| Oct 15, 2026 | Evans John M. | CEO | Other | 25,000 | 1.03 | 25,750 |
| Oct 1, 2026 | Cavanagh Bethany J | SVP, Finance and Treasurer | Sell | 187 | 24.41 | 4,565 |
| Sep 24, 2026 | Ciaramella Giuseppe | President | Other | 123,407 | 0.00 | – |
| 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: November 5, 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.