BDSX — BIODESIX 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 2020-10-28.
Performance
Technicals
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Measured signals that fired on BDSX
| date | signal | measured base rate |
|---|---|---|
| 2026-05-15 | Institutional holders jumped in a quarter ownership | -0.52% over 21 days · t = -0.38 · n = 1,553 not distinguishable from its control group |
| 2026-03-06 | Breakout to a 52-week high price | -1.00% over 21 days · t = -8.58 · n = 24,386 statistically distinguishable from its control group |
| 2026-02-27 | 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 |
|---|---|---|---|---|---|
| 2026-08-12 | SCHULER JACK W 10% owner | Open-market purchase | 15.0K | 24.47 | 367.0K |
| 2026-08-11 | SCHULER JACK W 10% owner | Open-market purchase | 13.7K | 24.01 | 328.9K |
| 2026-08-10 | SCHULER JACK W 10% owner | Open-market purchase | 13.9K | 24.25 | 337.0K |
| 2026-06-30 | PATIENCE JOHN Director | Option exercise | 1.4K | — | — |
| 2026-03-31 | PATIENCE JOHN Director | Option exercise | 1.4K | — | — |
| 2026-02-23 | Hutton Scott President & CEO | Open-market sale | 1.5K | 12.78 | 19.0K |
| 2026-02-23 | Pestano Gary Anthony Chief Development Officer | Open-market sale | 556 | 12.78 | 7.1K |
| 2026-02-23 | Cowie Robin Harper CFO, Sec'y & Treasurer | Open-market sale | 535 | 12.78 | 6.8K |
| 2026-02-23 | O'Kane Kieran Chief Commercial Officer | Open-market sale | 535 | 12.78 | 6.8K |
| 2026-02-23 | Vazquez Chris Chief Accounting Officer | Open-market sale | 211 | 12.78 | 2.7K |
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 |
|---|---|---|
| AIGH Capital Management LLC | 11.0M | 758.3K |
| Telemark Asset Management, LLC | 7.1M | 489.8K |
| Aberdeen Group plc | 6.6M | 458.4K |
| Soleus Capital Management, L.P. | 6.0M | 416.6K |
| VANGUARD CAPITAL MANAGEMENT LLC | 3.7M | 255.2K |
| Opaleye Management Inc. | 3.5M | 238.0K |
| MARSHALL WACE, LLP | 2.1M | 141.6K |
| STEMPOINT CAPITAL LP | 2.0M | 140.0K |
| ESSEX INVESTMENT MANAGEMENT CO LLC | 1.9M | 132.1K |
| Trexquant Investment LP | 1.0M | 69.6K |
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
- Biodesix (BDSX) Q2 2026 Earnings Call Transcript · 2026-08-12
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