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Biodesix Ownership | Who Owns Biodesix?

OverviewForecastRevenueFinancialsChartTranscripts

Biodesix Ownership Summary

Biodesix is owned by 30.39% institutional investors, 43.16% insiders, and 26.44% 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 3.75% of its assets in Biodesix shares.

BDSX Ownership Benchmark

TypeName% Inst% Insiders% Retail
StockBiodesix30.39%43.16%26.44%
SectorHealthcare Stocks 35.56%12.08%52.36%
IndustryDiagnostics & Research Stocks52.69%10.16%37.15%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

HolderShares% HoldingValue
Aigh capital management758.33K10.04%$11.00M
Telemark asset management489.82K6.49%$7.10M
Abrdn458.44K6.07%$6.65M
Soleus capital management416.60K5.52%$6.04M
Birchview capital, lp286.80K3.91%$2.17M
Opaleye management238.05K3.15%$3.45M
Vanguard group192.14K2.56%$1.31M
Marshall wace, llp141.64K1.88%$2.05M
Essex investment management132.09K1.75%$1.92M
Stempoint capital lp70.00K0.93%$1.02M

Top Institutional Shareholders by % of Total Assets

HolderShares% AssetsValue
Birchview capital, lp286.80K1.63%$2.17M
Aigh capital management758.33K1.50%$11.00M
Amh equity651.87K0.98%$997.36K
Telemark asset management489.82K0.66%$7.10M
Perkins capital management44.78K0.61%$649.35K
Opaleye management238.05K0.45%$3.45M
Essex investment management132.09K0.30%$1.92M
Soleus capital management416.60K0.24%$6.04M
Stempoint capital lp70.00K0.20%$1.02M
Thompson davis11.75K0.11%$170.38K

Top Buyers

HolderShares% AssetsChange
Aigh capital management758.33K1.50%758.33K
Soleus capital management416.60K0.24%416.60K
Opaleye management238.05K0.45%238.05K
Abrdn458.44K0.01%196.01K
Telemark asset management489.82K0.66%162.00K

Top Sellers

HolderShares% AssetsChange
Bryn mawr trust---6.10M
Birchview capital, lp286.80K1.63%-5.45M
Sio capital management---4.34M
Lmr partners llp---1.60M
Wells fargo & company/mn---819.90K

New Positions

HolderShares% AssetsChangeValue
Aigh capital management758.33K1.50%758.33K$11.00M
Soleus capital management416.60K0.24%416.60K$6.04M
Opaleye management238.05K0.45%238.05K$3.45M
Marshall wace, llp141.64K0.00%141.64K$2.05M
Essex investment management132.09K0.30%132.09K$1.92M

Sold Out

HolderChange
Barclays-1.00
Tower research capital llc (trc)-1.00
Western wealth management-1.00
Citigroup-77.00
Group one trading-100.00

Institutional Ownership Trends

DateHoldingsChange %SharesChange %OwnershipChange %Increased PositionChange %Decreased PositionChange %
Mar 31, 202615-42.31%2,294,90570.95%309.49%12-14.29%1-83.33%
Dec 31, 20255-81.48%504,482-64.86%61.84%2-71.43%1-95.00%
Sep 30, 20251-97.44%286,804-99.19%30.66%--100.00%1-90.00%
Jun 30, 202540-34.43%35,612,550-33.23%241.83%14-41.67%11-42.11%
Mar 31, 2025623.33%53,381,434-8.98%362.27%25-35.90%20185.71%

Top Mutual Funds Shareholders

HolderShares% HoldingChange
abrdn Healthcare Opportunities388.64K3.75%-109.30K
Vanguard Morn Total Stk Mkt Idx Investor204.10K1.97%-
Vanguard Total Stock Mkt Idx Inv204.10K1.97%-
Vanguard US Total Market Shares ETF1.44M0.98%-
Vanguard Institutional Extnd Mkt Idx Tr72.03K0.70%28.40K
1290 Essex Small Cap Growth I58.95K0.56%-
Pleiades Small Cap Equity A37.30K0.36%15.78K
Fidelity Extended Market Index31.99K0.31%10.92K
iShares Micro-Cap ETF17.17K0.16%-230.00
Bridgeway Ultra-Small Company Market10.00K0.10%10.00K

Recent Insider Transactions

DateNameRoleActivityValue
Aug 12, 2026SCHULER JACK W Emeritus DirectorBuy$366.99K
Aug 11, 2026SCHULER JACK W Emeritus DirectorBuy$328.91K
Aug 10, 2026SCHULER JACK W Emeritus DirectorBuy$337.03K
Feb 23, 2026Pestano Gary Anthony Chief Development OfficerSell$7.10K
Feb 23, 2026O'Kane Kieran Chief Commercial OfficerSell$6.83K

Insider Transactions Trends

DateBuySell
2026 Q33-
2026 Q2--
2026 Q1315
2025 Q4-5
2025 Q345

BDSX Ownership FAQ

Who Owns Biodesix?

Biodesix shareholders are primarily institutional investors at 30.39%, followed by 43.16% insiders and 26.45% retail investors. The average institutional ownership in Biodesix's industry, Diagnostics & Research Stocks, is 52.69%, which Biodesix falls below.

Who owns the most shares of Biodesix?

Biodesix’s largest shareholders are Aigh capital management (758.33K shares, 10.04%), Telemark asset management (489.82K shares, 6.49%), and Abrdn (458.44K shares, 6.07%). Together, they hold 22.60% of Biodesix’s total shares outstanding.

Does Blackrock own Biodesix?

BlackRock is not among the top 10 institutional shareholders of Biodesix.

Who is Biodesix’s biggest shareholder by percentage of total assets invested?

Birchview capital, lp is Biodesix’s biggest shareholder by percentage of total assets invested, with 1.63% of its assets in 286.8K Biodesix shares, valued at 2.17M$.

Who is the top mutual fund holder of Biodesix shares?

abrdn Healthcare Opportunities is the top mutual fund holder of Biodesix shares, with 3.75% of its total shares outstanding invested in 388.64K Biodesix shares.

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