GRAIL, LLC
Ownership
Ownership Structure
Who owns GRAIL, LLC (GRAL)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 76.8% of the shares are freely tradable; institutional investors hold 83.6%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Baker Bros Advisors LP | 9.02 | 4,028,614 | +93.2 | 03/31/2026 |
| Farallon Capital Management, L.L.C. | 7.28 | 3,253,684 | +38.9 | 03/31/2026 |
| BlackRock Inc | 6.65 | 2,968,536 | +0.3 | 03/31/2026 |
| PRIMECAP Management Company | 4.88 | 2,180,106 | +18.2 | 06/30/2026 |
| State Street Corp | 4.24 | 1,891,893 | +3.5 | 03/31/2026 |
| Deep Track Capital, LP | 4.11 | 1,834,944 | +6.5 | 06/30/2026 |
| Sessa Capital, L.P | 3.85 | 1,719,314 | +371.4 | 03/31/2026 |
| Morgan Stanley - Brokerage Accounts | 3.65 | 1,632,195 | +8.0 | 03/31/2026 |
| Vanguard Capital Management, LLC | 3.42 | 1,527,105 | +0.0 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| PRIMECAP Odyssey Aggressive Growth | 3.54 | 1,579,791 | +20.6 | 06/30/2026 |
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 |
|---|---|---|---|---|---|
| Ofman Joshua J. | Chief Executive Officer | 397,271 | 31,781,680 $ | Aug 27, 2026 | direct |
| Freidin Aaron | Chief Financial Officer | 253,083 | 20,246,640 $ | Aug 27, 2026 | direct |
| Summe Gregory L | Director | 45,672 | 3,653,760 $ | Jul 15, 2026 | direct |
| Chase William J | Director | 42,978 | 3,438,240 $ | Jul 15, 2026 | direct |
| Mizell Steven | Director | 42,830 | 3,426,400 $ | Jul 15, 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 |
|---|---|---|---|---|---|---|
| Aug 27, 2026 | Ofman Joshua J. | Chief Executive Officer | Sell | 5,000 | 85.02 | 425,098 |
| Aug 27, 2026 | Freidin Aaron | Chief Financial Officer | Sell | 7,900 | 85.01 | 671,579 |
| Jul 15, 2026 | Chase William J | Director | Other | 276 | 74.36 | 20,523 |
| Jul 15, 2026 | Summe Gregory L | Director | Other | 427 | 74.36 | 31,752 |
| Jul 15, 2026 | Mizell Steven | Director | Other | 268 | 74.36 | 19,928 |
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 17, 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.