BLLN — BillionToOne, Inc.
Price · 2025-11-06 → 2026-08-21
198 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 2025-11-06.
Performance
Technicals
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Measured signals that fired on BLLN
| date | signal | measured base rate |
|---|---|---|
| 2026-08-06 | Fair value gap, bearish structure | -0.45% over 21 days · t = -3.29 · n = 108,591 statistically distinguishable from its control group |
| 2026-08-05 | 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 |
| 2026-07-16 | Equal highs taken out structure | -0.70% over 21 days · t = -8.28 · n = 68,636 statistically distinguishable from its control group |
| 2026-05-29 | Fair value gap, bullish structure | -0.67% over 21 days · t = -6.43 · n = 111,973 statistically distinguishable from its control group |
| 2026-04-10 | Fair value gap, bearish structure | -0.45% over 21 days · t = -3.29 · n = 108,591 statistically distinguishable from its control group |
| 2026-04-01 | Fair value gap, bullish structure | -0.67% over 21 days · t = -6.43 · n = 111,973 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 |
|---|---|---|---|---|---|
| 2026-08-10 | Tsao David Chief Technology Officer | Open-market sale 10b5-1 plan | 10.0K | 92.86 | 928.6K |
| 2026-08-10 | ten Bosch John Roderick SVP of Laboratory Operations | Open-market sale 10b5-1 plan | 1.4K | 92.86 | 131.6K |
| 2026-08-10 | Tsao David Chief Technology Officer | Option exercise 10b5-1 plan | 10.0K | 2.80 | 28.0K |
| 2026-08-05 | Atay Oguzhan Chairman and CEO | Open-market sale 10b5-1 plan | 15.5K | 150.03 | 2.3M |
| 2026-08-05 | Atay Oguzhan Chairman and CEO | Option exercise 10b5-1 plan | 15.5K | 2.80 | 43.5K |
| 2026-08-03 | Atay Oguzhan Chairman and CEO | Open-market sale 10b5-1 plan | 10.0K | 137.25 | 1.4M |
| 2026-08-03 | Atay Oguzhan Chairman and CEO | Open-market sale 10b5-1 plan | 6.4K | 136.42 | 866.8K |
| 2026-08-03 | Atay Oguzhan Chairman and CEO | Open-market sale 10b5-1 plan | 6.2K | 137.37 | 858.6K |
| 2026-08-03 | Atay Oguzhan Chairman and CEO | Open-market sale 10b5-1 plan | 6.2K | 137.37 | 858.6K |
| 2026-08-03 | Atay Oguzhan Chairman and CEO | Open-market sale 10b5-1 plan | 3.1K | 137.25 | 428.9K |
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 |
|---|---|---|
| ADAMS STREET PARTNERS LLC | 135.1M | 1.7M |
| BAILLIE GIFFORD & CO | 99.5M | 1.3M |
| Civilization Ventures Management, LLC | 86.8M | 1.1M |
| BAMCO INC /NY/ | 58.5M | 741.5K |
| NVP ASSOCIATES, LLC | 40.5M | 513.3K |
| NEUBERGER BERMAN GROUP LLC | 37.8M | 709.2K |
| Invesco Ltd. | 32.1M | 406.5K |
| WASATCH ADVISORS LP | 29.2M | 369.6K |
| JPMORGAN CHASE & CO | 19.9M | 283.1K |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 19.0M | 240.6K |
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 →
Recent headlines
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