Latest Period
Q1 2026
Security Snapshot
BIODESIX INC - Common Stock, par value $0.001 per share (BDSX) Institutional Ownership
CUSIP: 09075X207
13F Institutional Holders and Ownership History from Q3 2025 to Q1 2026
Institutions Reporting
39
Shares (Excl. Options)
3,615,368
Price
$14.50
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- Security type / class
- Equity / Common Stock, par value $0.001 per share
- Symbol
- BDSX on Nasdaq
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 3,615,368
- Total 13F value
- $52,422,954
- Portfolio coverage rank
- 0%
- Share change
- +2,179,279
- Value change
- +$34,087,127
- Number of holders
- 39
- Shares outstanding
- 10,298,843
- SEC-reported price per share
- $15.18
- Insider filing price
- $15.18
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- BDSX - BIODESIX INC - Common Stock, par value $0.001 per share is tracked under CUSIP 09075X207.
- 39 institutions reported positions in Q1 2026.
- 3 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 25 to 39 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $9,128,098 to $52,422,954.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 39 institutions filings for Q1 2026.
Security key
09075X207
Latest holder period
Q1 2026
13F holders
39
13D/G owners
3
CIK / CUSIP context first
Open Q1 2026 holders
BDSX full holder history
BIODESIX INC SEC filings
BIODESIX INC company facts
BIODESIX INC insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 09075X207:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
3
Security
BDSX
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| SCHULER JACK W | 24% | -11% | $15,872,226 | +$1,240,871 | 2,333,945 | +8.5% | SCHULER JACK W | 23 Jan 2026 |
| Soleus Capital Master Fund, L.P. | 5.1% | -20% | $7,973,158 | +$383,158 | 525,241 | +5% | Soleus Capital Master Fund, L.P. | 17 Jun 2026 |
| Telemark Asset Management, LLC | 5.4% | +32% | $2,909,460 | +$680,060 | 427,824 | +31% | Telemark Asset Management, LLC | 22 Jan 2026 |
As of 31 Mar 2026, 39 institutional investors reported holding 3,615,368 shares of BIODESIX INC - Common Stock, par value $0.001 per share (BDSX). This represents 35% of the company’s total 10,298,843 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
34%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| AIGH Capital Management LLC | 7.4% | 758,328 | 2.3% | $10,995,756 | |
| Telemark Asset Management, LLC | 4.8% | 489,824 | +49% | 0.66% | $7,102,448 |
| Aberdeen Group plc | 4.5% | 458,438 | +75% | 0.01% | $6,647,351 |
| Soleus Capital Management, L.P. | 4% | 416,599 | 0.24% | $6,040,686 | |
| VANGUARD CAPITAL MANAGEMENT LLC | 2.5% | 255,161 | 0% | 0% | $3,699,835 |
| Opaleye Management Inc. | 2.3% | 238,047 | 0.48% | $3,451,682 | |
| MARSHALL WACE, LLP | 1.4% | 141,636 | 0% | $2,053,724 | |
| ESSEX INVESTMENT MANAGEMENT CO LLC | 1.3% | 132,086 | 0.3% | $1,915,247 | |
| STEMPOINT CAPITAL LP | 0.68% | 70,004 | 0.2% | $1,015,058 | |
| Trexquant Investment LP | 0.68% | 69,601 | +153% | 0.01% | $1,009,215 |
| GEODE CAPITAL MANAGEMENT, LLC | 0.49% | 49,998 | +18% | 0% | $725,594 |
| TWO SIGMA INVESTMENTS, LP | 0.44% | 45,231 | 0% | $655,850 | |
| PERKINS CAPITAL MANAGEMENT INC | 0.43% | 44,783 | 0% | 0.61% | $649,353 |
| SEI INVESTMENTS CO | 0.42% | 43,024 | 0% | $623,848 | |
| Legato Capital Management LLC | 0.4% | 41,174 | 0.05% | $597,023 | |
| GSA CAPITAL PARTNERS LLP | 0.38% | 39,406 | -39% | 0.04% | $571,000 |
| UBS Group AG | 0.36% | 36,808 | 0% | $533,717 | |
| MORGAN STANLEY | 0.31% | 32,392 | +53002% | 0% | $469,684 |
| VANGUARD FIDUCIARY TRUST CO | 0.28% | 28,660 | 0% | 0% | $415,570 |
| BLAIR WILLIAM & CO/IL | 0.27% | 27,583 | 0% | $399,954 | |
| JANE STREET GROUP, LLC | 0.26% | 27,031 | 0% | $391,950 | |
| BlackRock, Inc. | 0.24% | 24,466 | 0% | 0% | $354,757 |
| MILLENNIUM MANAGEMENT LLC | 0.23% | 24,006 | 0% | $348,087 | |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 0.22% | 23,090 | 0% | $334,805 | |
| STATE STREET CORP | 0.17% | 17,802 | 0% | 0% | $258,129 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
3
Latest
Q1 2026
Rows shown
1-3 of 3