Biodesix Ownership | Who Owns Biodesix?
Biodesix Ownership Summary
Biodesix is owned by 6.73% institutional investors, 54.69% insiders, and 38.58% retail investors. Aigh capital management is the largest institutional shareholder, holding 10.04% of BDSX shares. abrdn Healthcare Opportunities is the top mutual fund, with 4.54% of its assets in Biodesix shares.
BDSX Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Biodesix | 6.73% | 54.69% | 38.58% |
| Sector | Healthcare Stocks | 232.80% | 10.63% | -143.43% |
| Industry | Diagnostics & Research Stocks | 36.82% | 10.23% | 52.94% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Aigh capital management | 758.33K | 10.04% | $11.00M |
| Telemark asset management | 489.82K | 6.49% | $7.10M |
| Abrdn | 458.44K | 6.07% | $6.65M |
| Soleus capital management | 416.60K | 5.52% | $6.04M |
| Birchview capital, lp | 286.80K | 3.91% | $2.17M |
| Opaleye management | 238.05K | 3.15% | $3.45M |
| Vanguard group | 192.14K | 2.56% | $1.31M |
| Marshall wace, llp | 141.64K | 1.88% | $2.05M |
| Essex investment management | 132.09K | 1.75% | $1.92M |
| Stempoint capital lp | 70.00K | 0.93% | $1.02M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Birchview capital, lp | 286.80K | 1.63% | $2.17M |
| Aigh capital management | 758.33K | 1.50% | $11.00M |
| Amh equity | 651.87K | 0.98% | $997.36K |
| Telemark asset management | 489.82K | 0.66% | $7.10M |
| Perkins capital management | 44.78K | 0.61% | $649.35K |
| Opaleye management | 238.05K | 0.45% | $3.45M |
| Essex investment management | 132.09K | 0.30% | $1.92M |
| Soleus capital management | 416.60K | 0.24% | $6.04M |
| Stempoint capital lp | 70.00K | 0.20% | $1.02M |
| Thompson davis | 11.75K | 0.11% | $170.38K |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Aigh capital management | 758.33K | 1.50% | 758.33K |
| Soleus capital management | 416.60K | 0.24% | 416.60K |
| Opaleye management | 238.05K | 0.45% | 238.05K |
| Abrdn | 458.44K | 0.01% | 196.01K |
| Telemark asset management | 489.82K | 0.66% | 162.00K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Bryn mawr trust | - | - | -6.10M |
| Birchview capital, lp | 286.80K | 1.63% | -5.45M |
| Sio capital management | - | - | -4.34M |
| Lmr partners llp | - | - | -1.60M |
| Wells fargo & company/mn | - | - | -819.90K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Aigh capital management | 758.33K | 1.50% | 758.33K | $11.00M |
| Soleus capital management | 416.60K | 0.24% | 416.60K | $6.04M |
| Opaleye management | 238.05K | 0.45% | 238.05K | $3.45M |
| Marshall wace, llp | 141.64K | 0.00% | 141.64K | $2.05M |
| Essex investment management | 132.09K | 0.30% | 132.09K | $1.92M |
Sold Out
| Holder | Change |
|---|---|
| Barclays | -1.00 |
| Citigroup | -77.00 |
| Macquarie group | -512.00 |
| Maryland capital advisors | -1.00K |
| Cibc private wealth group | -1.47K |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Dec 31, 2025 | 5 | -81.48% | 504,482 | -64.86% | 6 | 1.84% | 2 | -71.43% | 1 | -95.00% |
| Sep 30, 2025 | 1 | -97.44% | 286,804 | -99.19% | 3 | 0.66% | - | -100.00% | 1 | -90.00% |
| Jun 30, 2025 | 40 | -34.43% | 35,612,550 | -33.23% | 24 | 1.83% | 14 | -41.67% | 11 | -42.11% |
| Mar 31, 2025 | 62 | 3.33% | 53,381,434 | -8.98% | 36 | 2.27% | 25 | -35.90% | 20 | 185.71% |
| Dec 31, 2024 | 60 | 11.11% | 58,649,815 | -5.74% | 40 | 2.22% | 39 | 50.00% | 7 | 16.67% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| abrdn Healthcare Opportunities | 458.44K | 4.54% | 119.49K |
| Vanguard Total Stock Mkt Idx Inv | 204.10K | 2.02% | - |
| Vanguard US Total Market Shares ETF | 1.44M | 0.98% | - |
| Vanguard Institutional Extnd Mkt Idx Tr | 43.79K | 0.43% | - |
| Fidelity Extended Market Index | 23.04K | 0.23% | 640.00 |
| Pleiades Small Cap Equity A | 21.51K | 0.21% | 21.51K |
| 1290 Essex Small Cap Growth I | 179.59K | 0.12% | 1.50K |
| BlackRock Extended Equity Market K | 131.64K | 0.09% | 131.64K |
| Bridgeway Ultra-Small Company Market | 116.31K | 0.08% | - |
| Extended Equity Market Fund E | 7.55K | 0.08% | - |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Feb 23, 2026 | Pestano Gary Anthony | Chief Development Officer | Sell | $7.10K |
| Feb 23, 2026 | O'Kane Kieran | Chief Commercial Officer | Sell | $6.83K |
| Feb 23, 2026 | Cowie Robin Harper | CFO, Sec'y & Treasurer | Sell | $6.83K |
| Feb 23, 2026 | Vazquez Chris | Chief Accounting Officer | Sell | $2.70K |
| Feb 23, 2026 | Hutton Scott | President & CEO | Sell | $19.04K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q1 | 3 | 15 |
| 2025 Q4 | - | 5 |
| 2025 Q3 | 4 | 5 |
| 2025 Q2 | 2 | 10 |
| 2025 Q1 | - | 5 |
BDSX Ownership FAQ
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