GRAL — GRAIL, Inc.
Price · 2024-08-26 → 2026-08-21
499 daily closes shownAnonymous view is capped at two years of history. A free account extends it to five, and Pro opens the whole archive back to 2024-06-12.
Performance
Technicals
Others in Healthcare
Measured signals that fired on GRAL
| date | signal | measured base rate |
|---|---|---|
| 2026-08-13 | Fair value gap, bearish structure | -0.45% over 21 days · t = -3.29 · n = 108,591 statistically distinguishable from its control group |
| 2026-08-11 | Bollinger bandwidth breaks out of its own compression structure | -0.63% over 21 days · t = -2.80 · n = 7,196 statistically distinguishable from its control group |
| 2026-08-11 | Fair value gap, bullish structure | -0.67% over 21 days · t = -6.43 · n = 111,973 statistically distinguishable from its control group |
| 2026-06-01 | Fair value gap, bearish structure | -0.45% over 21 days · t = -3.29 · n = 108,591 statistically distinguishable from its control group |
| 2026-05-07 | Fair value gap, bullish structure | -0.67% over 21 days · t = -6.43 · n = 111,973 statistically distinguishable from its control group |
| 2026-05-06 | Bollinger bandwidth breaks out of its own compression structure | -0.63% over 21 days · t = -2.80 · n = 7,196 statistically distinguishable from its control group |
Excess return against a matched control group, on a point-in-time universe that includes delisted companies. Most families do not survive that. How the measurement works →
Insider transactions (Form 4)
| date | insider | what | shares | price | value |
|---|---|---|---|---|---|
| 2026-07-15 | SUMME GREGORY L Director | Grant or award | 427 | 74.36 | 31.8K |
| 2026-07-15 | CHASE WILLIAM J Director | Grant or award | 276 | 74.36 | 20.5K |
| 2026-07-15 | MIZELL STEVEN Director | Grant or award | 268 | 74.36 | 19.9K |
| 2026-06-18 | SUMME GREGORY L Director | Grant or award | 5.5K | 63.74 | 350.0K |
| 2026-06-18 | CHASE WILLIAM J Director | Grant or award | 5.5K | 63.74 | 350.0K |
| 2026-06-18 | MIZELL STEVEN Director | Grant or award | 5.5K | 63.74 | 350.0K |
| 2026-06-18 | Krevans Sarah Director | Grant or award | 5.5K | 63.74 | 350.0K |
| 2026-06-04 | Partridge Andrew John Chief Growth Officer | Open-market sale | 1.5K | 61.08 | 91.1K |
| 2026-06-03 | Ofman Joshua J. Chief Executive Officer | Grant or award | 3.2K | 61.13 | 192.8K |
| 2026-06-01 | Ofman Joshua J. Chief Executive Officer | Grant or award | 27.9K | 64.40 | 1.8M |
Open-market purchases (code P) are the informative ones. Grants, option exercises and tax withholding are compensation mechanics, not decisions. How to read a Form 4 →
Largest institutional holders
| manager | value | shares |
|---|---|---|
| BAKER BROS. ADVISORS LP | 208.2M | 4.0M |
| FARALLON CAPITAL MANAGEMENT LLC | 168.2M | 3.3M |
| BlackRock, Inc. | 153.4M | 3.0M |
| STATE STREET CORP | 97.8M | 1.9M |
| PRIMECAP MANAGEMENT CO/CA/ | 95.3M | 1.8M |
| Deep Track Capital, LP | 89.0M | 1.7M |
| Sessa Capital IM, L.P. | 88.9M | 1.7M |
| MORGAN STANLEY | 84.4M | 1.6M |
| VANGUARD CAPITAL MANAGEMENT LLC | 78.9M | 1.5M |
| Arbiter Partners Capital Management LLC | 53.5M | 1.0M |
13F positions as of 2026-03-31, filed up to 45 days after quarter end. Long-only US equity — shorts and derivatives never appear. What 13F does and does not show →
Short selling
This is off-exchange short volume, not short interest: it is flow, not position, and 40–50% is normal because market makers short to fill your buy. Why that number misleads →
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