IDYA — IDEAYA Biosciences, 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 2019-05-23.
Performance
Technicals
Others in Healthcare
Measured signals that fired on IDYA
| date | signal | measured base rate |
|---|---|---|
| 2026-08-19 | Fair value gap, bullish structure | -0.67% over 21 days · t = -6.43 · n = 111,973 statistically distinguishable from its control group |
| 2026-08-19 | 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 |
| 2026-07-06 | Breakout to a 52-week high price | -1.00% over 21 days · t = -8.58 · n = 24,386 statistically distinguishable from its control group |
| 2026-06-23 | Fair value gap, bullish structure | -0.67% over 21 days · t = -6.43 · n = 111,973 statistically distinguishable from its control group |
| 2026-06-08 | 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 |
| 2026-04-27 | Equal lows taken out structure | -0.64% over 21 days · t = -4.75 · n = 55,661 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 |
|---|---|---|---|---|---|
| 2026-07-07 | Ruiz Briseno Andres Chief Accounting Officer | Open-market sale 10b5-1 plan | 9.6K | 40.01 | 382.1K |
| 2026-07-07 | Ruiz Briseno Andres Chief Accounting Officer | Option exercise 10b5-1 plan | 9.6K | 12.86 | 122.8K |
| 2026-03-02 | Stein Jeffrey Director | Open-market purchase | 50.0K | 32.96 | 1.6M |
| 2025-11-28 | Ruiz Briseno Andres See Remarks | Grant or award | 1.3K | 16.91 | 21.2K |
| 2025-11-28 | Snyder Douglas B. SVP, General Counsel | Grant or award | 1.0K | 16.91 | 17.6K |
| 2025-05-30 | Snyder Douglas B. SVP, General Counsel | Grant or award | 1.0K | 16.91 | 17.6K |
| 2025-02-18 | Hata Yujiro S President and CEO | Option exercise | 12.8K | 19.52 | 250.0K |
| 2024-11-29 | Ruiz Briseno Andres See Remarks | Grant or award | 682 | 23.26 | 15.9K |
| 2024-06-27 | Throne Jason Chief Legal Officer | Option exercise | 47.1K | 7.01 | 329.9K |
| 2024-06-27 | Throne Jason Chief Legal Officer | Option exercise | 6.4K | 13.34 | 85.7K |
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 |
|---|---|---|
| FMR LLC | 438.9M | 13.2M |
| BlackRock, Inc. | 281.3M | 8.4M |
| JANUS HENDERSON GROUP PLC | 242.0M | 7.3M |
| Capital Research Global Investors | 172.0M | 5.2M |
| BAKER BROS. ADVISORS LP | 131.5M | 3.9M |
| STATE STREET CORP | 126.0M | 3.8M |
| VANGUARD CAPITAL MANAGEMENT LLC | 124.4M | 3.7M |
| Logos Global Management LP | 115.0M | 3.5M |
| FEDERATED HERMES, INC. | 99.5M | 3.0M |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | 94.1M | 2.8M |
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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