Biodesix Inc
Ownership
Ownership Structure
Who owns Biodesix Inc (BDSX)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 47.1% of the shares are freely tradable; institutional investors hold 40.1%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| AIGH Capital Management, LLC | 6.43 | 678,328 | -10.5 | 06/30/2026 |
| Soleus Capital Management, L.P. | 5.55 | 585,958 | +40.7 | 06/30/2026 |
| Telemark Asset Management, LLC | 4.64 | 489,824 | +0.0 | 06/30/2026 |
| Aberdeen Group PLC | 3.68 | 388,639 | -15.2 | 06/30/2026 |
| Vanguard Capital Management, LLC | 2.69 | 284,169 | +11.4 | 06/30/2026 |
| Essex Investment Management Company, LLC | 2.29 | 241,915 | +83.1 | 06/30/2026 |
| Opaleye Management Inc | 1.71 | 180,000 | -24.4 | 06/30/2026 |
| Marshall Wace Asset Management Ltd | 1.10 | 116,199 | -18.0 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| abrdn Healthcare Opportunities | 2.59 | 287,615 | +0.0 | 09/30/2026 |
| Vanguard MStar Total Stk Mkt Idx Invest | 1.84 | 204,100 | +0.0 | 09/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Schuler Jack W | 10% Owner | 655,810 | 6,492,519 $ | Nov 10, 2026 | indirect |
| Patience John | Director | 26,743 | 264,756 $ | Sep 30, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Nov 10, 2026 | Schuler Jack W | 10% Owner | Buy | 100,000 | 10.02 | 1,001,990 |
| Sep 30, 2026 | Patience John | Director | Other | 1,360 | – | – |
| Aug 12, 2026 | Schuler Jack W | 10% Owner | Buy | 15,000 | 24.47 | 366,992 |
| Aug 11, 2026 | Schuler Jack W | 10% Owner | Buy | 13,700 | 24.01 | 328,911 |
| Aug 10, 2026 | Schuler Jack W | 10% Owner | Buy | 13,900 | 24.25 | 337,029 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: November 13, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.