GH — Guardant Health, 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 2018-10-04.
Performance
Technicals
Others in Healthcare
Measured signals that fired on GH
| date | signal | measured base rate |
|---|---|---|
| 2026-08-14 | Short volume far above its own normal short | -0.76% over 21 days · t = -2.79 · n = 5,897 statistically distinguishable from its control group |
| 2026-08-11 | Cluster sale: three or more insiders insider | -0.37% over 21 days · t = -3.38 · n = 21,542 statistically distinguishable from its control group |
| 2026-07-31 | Fair value gap, bullish structure | -0.67% over 21 days · t = -6.43 · n = 111,973 statistically distinguishable from its control group |
| 2026-07-31 | Equal highs taken out structure | -0.70% over 21 days · t = -8.28 · n = 68,636 statistically distinguishable from its control group |
| 2026-07-09 | 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 |
| 2026-07-08 | Fair value gap, bearish structure | -0.45% over 21 days · t = -3.29 · n = 108,591 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 |
|---|---|---|---|---|---|
| 2026-08-17 | Tariq Musa Director | Open-market sale 10b5-1 plan | 116 | 156.45 | 18.1K |
| 2026-08-17 | Hidalgo Medina Manuel Director | Option exercise | 232 | 0.00 | 0 |
| 2026-08-15 | Tariq Musa Director | Option exercise 10b5-1 plan | 250 | 0.00 | 0 |
| 2026-08-12 | Monroe Terilyn J. Chief People Officer | Open-market sale | 19.0K | 165.16 | 3.1M |
| 2026-08-12 | Monroe Terilyn J. Chief People Officer | Open-market sale | 13.2K | 166.11 | 2.2M |
| 2026-08-12 | Monroe Terilyn J. Chief People Officer | Open-market sale | 9.9K | 164.27 | 1.6M |
| 2026-08-12 | Monroe Terilyn J. Chief People Officer | Option exercise | 32.3K | 20.14 | 650.3K |
| 2026-08-12 | Monroe Terilyn J. Chief People Officer | Open-market sale | 3.7K | 163.41 | 605.3K |
| 2026-08-12 | Monroe Terilyn J. Chief People Officer | Option exercise | 14.0K | 28.61 | 400.9K |
| 2026-08-12 | Monroe Terilyn J. Chief People Officer | Open-market sale | 400 | 167.92 | 67.2K |
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 |
|---|---|---|
| BlackRock, Inc. | 1.1B | 11.6M |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 539.3M | 5.8M |
| VANGUARD CAPITAL MANAGEMENT LLC | 519.5M | 5.6M |
| Invesco Ltd. | 456.9M | 4.9M |
| GOLDMAN SACHS GROUP INC | 409.7M | 4.4M |
| TWO SIGMA INVESTMENTS, LP | 390.7M | 4.2M |
| FMR LLC | 380.2M | 4.1M |
| BAILLIE GIFFORD & CO | 356.5M | 3.9M |
| GEODE CAPITAL MANAGEMENT, LLC | 324.2M | 3.5M |
| Capital International Investors | 321.6M | 3.5M |
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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