As of November 6, 2026, Biodesix Inc. is a publicly traded company (Nasdaq: BDSX). The largest holder reporting an active stake on Schedule 13D is Jack W. Schuler, a 10% owner, at 24%. No bankruptcy or receivership appears in its SEC Form 8-K filings. Passive holders reporting on Schedule 13G include Orin Hirschman (7.7%), Telemark Asset Management, LLC (5.4%), Soleus Capital Master Fund, L.P. (5.1%) (Schedule 13D/A, January 27, 2026).
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Is Biodesix Inc. a real, registered company?
- Biodesix Inc files with the SEC under CIK 1439725 (its SEC filings).
- Its shares are listed under the ticker BDSX on Nasdaq (SEC company record).
- Incorporated in Delaware; business address in Louisville, Colorado, as its SEC filings state.
- Court and bankruptcy records: see Before you sign or pay below.
Before you sign or pay
- Court and bankruptcy: No federal court case or bankruptcy filing found under BIODESIX INC in our court records and SEC 8-K records (as of 2026-11-06).
- Ownership: 5%+ holders are reported on Schedule 13D or 13G; the latest names Soleus Capital Master Fund, L.P. (filed 2026-06-18).
Who are Biodesix Inc.'s owners and officers?
Biodesix Inc.: incorporated in Delaware; business address in Louisville, Colorado; industry Services-Medical Laboratories (Schedule 13G, 2026-06-18).
| Report | Holder | Share |
|---|---|---|
| Schedule 13G, 2026-06-18 | Soleus Capital Master Fund, L.P. | 5.1% |
| Schedule 13G/A, 2026-05-15 | Perceptive Advisors LLC | 4.6% |
| Schedule 13G/A, 2026-05-08 | Soleus Capital Master Fund, L.P. | 4.1% |
| Schedule 13G, 2026-04-28 | Orin Hirschman | 7.7% |
| Schedule 13D/A, 2026-01-27 | Schuler Jack W | 24% |
| Schedule 13G, 2026-01-26 | Telemark Asset Management, LLC | 5.4% |
| Schedule 13G/A, 2026-01-23 | Telemark Asset Management, LLC | 4.1% |
| Schedule 13G, 2026-01-13 | Soleus Capital Master Fund, L.P. | 6.3% |
| Schedule 13D/A, 2025-09-23 | Schuler Jack W | 27% |
| Schedule 13D/A, 2025-09-03 | Schuler Jack W | 26% |
Questions about who owns Biodesix Inc.
Who owns Biodesix Inc.?
On this page, 4 holders' latest ownership filings report 5% or more of Biodesix Inc.: Schuler Jack W (24%, Schedule 13D/A, filed 2026-01-27), Orin Hirschman (7.7%, Schedule 13G, filed 2026-04-28), Telemark Asset Management, LLC (5.4%, Schedule 13G, filed 2026-01-26) and Soleus Capital Master Fund, L.P. (5.1%, Schedule 13G, filed 2026-06-18).
Who are the largest shareholders of Biodesix Inc.?
By the share each holder's latest filing reports, the largest holders of Biodesix Inc. on this page are Schuler Jack W (24%), Orin Hirschman (7.7%) and Telemark Asset Management, LLC (5.4%).
When did Schuler Jack W buy into Biodesix Inc.?
The filings give report dates, not purchase dates. The earliest filing from Schuler Jack W on this page is the Schedule 13D/A, filed 2025-09-03, reporting 26%; its latest, Schedule 13D/A filed 2026-01-27, reports 24%. That earliest filing is itself an amendment, which updates an earlier report.
Is this an audit or a full list?
Neither. The ownership list on this page covers only Schedule 13D and 13G filings, which holders make once they own 5% or more of a class of shares (an amendment can report a stake that has since fallen below 5%); 10 such filings are shown here. It is not an audit and not a full cap table: holders who never reached 5% are not listed, and a stake can change after its latest filing.
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What They Do, And How The Money Works
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Sources
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Which insiders own Biodesix Inc. shares?
Directors, officers and holders of 10% or more report their shares on Forms 3, 4 and 5. Each line is the latest such report, largest holding first.
- , a director and 10% owner: 25,454,283 shares, held indirectly through By: KFDI-B LLC (Form 4, 2024-11-22).
- , a director: 5,518,151 shares (49.8% of shares outstanding), 2,542,928 held directly and 2,975,223 indirectly (Form 4, 2024-11-06).
- , a 10% owner: 2,355,810 shares (21.2% of shares outstanding), held indirectly through a jack w. schuler living trust (Form 4, 2026-08-13).
- , a director: 421,705 shares (3.8% of shares outstanding) (Form 4, 2025-04-02).
- , a director: 378,536 shares (3.4% of shares outstanding), 26,743 held directly and 351,793 indirectly (Form 4, 2026-10-02).
Shares outstanding: 11,088,511 as of 2026-10-30, from the company's latest SEC cover page.
How much has Biodesix Inc. raised?
No fundraising or offering filing from Biodesix Inc. is on file with us.
Keep reading
More on Biodesix Inc. and the records around it.
Biodesix Inc. elsewhere on the record
- 5%+ stake filings Jun 2026
Companies that share a holder
- SCHULER JACK W also filed stake reports on 1 other company: Aspira Women's Health Inc. (Jun 2026)
- Telemark Asset Management, LLC also filed stake reports on 2 other companies: Andersen Group Inc. (Aug 2026), CODEXIS, INC. (Jul 2026)
- Soleus Capital Master Fund, L.P. also filed stake reports on 24 other companies: Beta Bionics, Inc. (Nov 2026), Evolus, Inc (Nov 2026), INSPIRE MEDICAL SYSTEMS, INC. (Nov 2026)
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