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Biodesix (BDSX) Institutional Ownership

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$27.72 +0.39 (+1.43%)
Closing price 10/2/2026 04:00 PM Eastern
Extended Trading
$27.77 +0.05 (+0.18%)
As of 10/2/2026 07:55 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.
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Institutional Ownership Changes (13F Filings) for Biodesix (NASDAQ:BDSX)

Current
Institutional Ownership
Percentage
20.96%
Number of
Institutional Buyers
(last 12 months)
20
Total
Institutional Inflows
(last 12 months)
$35.72M
Number of
Institutional Sellers
(last 12 months)
10
Total
Institutional Outflows
(last 12 months)
$121.13M
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BDSX Institutional Buying and Selling by Quarter

Biodesix Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
9/9/2026Opaleye Management Inc.180,000$4.06M0.4%-24.4%1.706%
9/9/2026Squarepoint Ops LLC15,709$354K0.0%N/A0.149%
8/17/2026Bank of America Corp DE26,738$603K0.0%N/A0.253%
8/11/2026Allworth Financial LP4,965$112K0.0%N/A0.047%
8/7/2026BlackRock Inc.43,026$970K0.0%N/A0.415%
8/7/2026AIGH Capital Management LLC678,328$15.30M1.0%N/A6.548%
8/6/2026GSA Capital Partners LLP46,989$1.06M0.1%N/A0.454%
8/3/2026Walleye Capital LLC74,447$1.68M0.0%N/A0.719%
5/19/2026Stempoint Capital LP70,004$1.02M0.2%N/A0.692%
5/14/2026Renaissance Technologies LLC11,948$173K0.0%N/A0.118%
5/14/2026Sei Investments Co.43,024$624K0.0%N/A0.426%
5/14/2026Walleye Capital LLC10,840$157K0.0%N/A0.107%
5/13/2026Cetera Investment Advisers12,000$174K0.0%+20.0%0.119%
4/30/2026AIGH Capital Management LLC758,328$11.00M1.5%N/A7.503%
4/16/2026Thompson Davis & CO. Inc.11,750$170K0.1%N/A0.116%
2/18/2026Balyasny Asset Management L.P.33,017$225K0.0%-23.3%0.415%
2/17/2026Cetera Investment Advisers10,000$68K0.0%N/A0.126%
2/17/2026Trexquant Investment LP27,542$187K0.0%N/A0.346%
2/13/2026State Street Corp17,802$121K0.0%+15.6%0.224%
2/12/2026DRW Securities LLC15,372$105K0.0%N/A0.193%
2/12/2026Monashee Investment Management LLC112,344$764K0.4%+12.3%1.412%
2/11/2026Telemark Asset Management LLC327,824$2.23M0.2%-20.8%4.118%
2/9/2026Geode Capital Management LLC42,453$289K0.0%+5.6%0.534%
2/4/2026Perkins Capital Management Inc.44,783$305K0.2%-14.9%0.563%
1/16/2026Aberdeen Group plc262,425$1.78M0.0%N/A3.297%
12/2/2025Allworth Financial LP4,965$37K0.0%-95.0%0.062%
11/19/2025Oracle Investment Management Inc.15,000$113K0.1%N/A0.189%
11/17/2025Millennium Management LLC14,944$113K0.0%N/A0.188%
11/17/2025Cannell & Spears LLC10,279$78K0.0%-95.0%0.129%
11/14/2025Shay Capital LLC14,005$106K0.0%-93.9%0.176%
11/12/2025Monashee Investment Management LLC99,996$755K0.4%-95.0%1.256%
11/10/2025Telemark Asset Management LLC414,124$3.13M0.3%-95.0%5.203%
11/7/2025GSA Capital Partners LLP48,342$365K0.0%-94.8%0.607%
11/7/2025Vanguard Group Inc.181,904$1.37M0.0%-95.2%2.285%
10/31/2025Perkins Capital Management Inc.52,633$397K0.3%-95.0%0.718%
8/15/2025Shay Capital LLC231,002$65K0.0%-13.6%0.158%
8/12/2025XTX Topco Ltd205,647$58K0.0%+99.4%0.140%
8/8/2025Geode Capital Management LLC750,877$212K0.0%-10.7%0.512%
5/15/2025Birchview Capital LP5,736,113$3.59M3.1%+2.8%3.917%
5/14/2025Monashee Investment Management LLC4,050,000$2.53M0.3%+15.7%2.766%
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5/9/2025Blair William & Co. IL124,100$78K0.0%+33.3%0.085%
5/8/2025XTX Topco Ltd103,153$64K0.0%N/A0.070%
5/6/2025AIGH Capital Management LLC4,272,591$2.67M1.1%-30.9%2.918%
5/5/2025AMH Equity Ltd47,773$30K0.0%-92.7%0.033%
2/17/2025Shay Capital LLC281,561$431K0.1%N/A0.194%
2/17/2025OMERS ADMINISTRATION Corp100,943$154K0.0%N/A0.069%
2/17/2025Millennium Management LLC198,671$304K0.0%+20.2%0.137%
2/17/2025Farallon Capital Management LLC3,811,426$5.83M0.0%-17.8%2.620%
2/17/2025Cubist Systematic Strategies LLC51,024$78K0.0%+385.9%0.035%
2/17/2025Bridgeway Capital Management LLC394,311$603K0.0%+38.6%0.271%
2/17/2025Balyasny Asset Management L.P.19,172$29K0.0%N/A0.013%
2/17/2025683 Capital Management LLC257,765$394K0.0%N/A0.177%
2/14/2025Jane Street Group LLC77,840$119K0.0%N/A0.054%
2/14/2025Northern Trust Corp169,132$259K0.0%+286.5%0.116%
2/14/2025Birchview Capital LP5,581,176$8.54M6.9%+0.7%3.837%
2/14/2025Boothbay Fund Management LLC34,112$52K0.0%N/A0.023%
2/14/2025Silverarc Capital Management LLC4,332,281$6.63M1.4%+21.7%2.978%
2/14/2025Susquehanna International Group LLP1,115,748$1.71M0.0%+769.8%0.767%
2/14/2025MYDA Advisors LLC50,000$76K0.0%N/A0.034%
2/13/2025Barclays PLC112,254$171K0.0%+387.3%0.077%
2/13/2025Renaissance Technologies LLC360,200$551K0.0%+775.2%0.248%
2/13/2025Samjo Management LLC2,477,400$3.79M1.4%N/A1.703%
2/13/2025Wells Fargo & Company MN836,421$1.28M0.0%-9.5%0.575%
2/12/2025Geode Capital Management LLC827,199$1.27M0.0%+2.8%0.569%
2/12/2025AIGH Capital Management LLC6,179,812$9.46M3.0%+8.8%4.248%
2/11/2025Perkins Capital Management Inc.1,060,211$1.62M1.4%+46.3%0.729%
2/7/2025HighTower Advisors LLC153,934$236K0.0%+17.1%0.106%
2/5/2025AMH Equity Ltd651,868$997K1.0%-6.4%0.448%
1/28/2025Stephens Inc. AR197,917$303K0.0%N/A0.136%
11/25/2024Wilmington Savings Fund Society FSB6,095,034$10.85M0.2%N/A4.190%
11/19/2024Barclays PLC23,036$41K0.0%+1,140.5%0.016%
11/16/2024Geode Capital Management LLC804,576$1.43M0.0%+50.7%0.553%
11/15/2024Barclays PLC23,036$41K0.0%+1,140.5%0.016%
11/14/2024Sio Capital Management LLC4,338,514$7.72M3.1%-0.2%2.982%
11/9/2024Landscape Capital Management L.L.C.146,941$262K0.0%N/A0.101%
10/31/2024Perkins Capital Management Inc.724,782$1.29M1.2%+74.7%0.499%
8/16/2024Perceptive Advisors LLC2,173,880$3.33M0.1%N/A1.896%
8/15/2024CVI Holdings LLC38,535$59K0.1%N/A0.034%
8/14/2024Farallon Capital Management LLC1,878,175$2.87M0.0%N/A1.638%
8/7/2024AIGH Capital Management LLC5,779,812$8.84M2.7%+74.0%5.040%
5/29/2024Opaleye Management Inc.534,657$765K0.2%+7.7%0.466%
5/15/2024Oracle Investment Management Inc.30,351$43K0.0%-50.2%0.026%
5/3/2024Essex Investment Management Co. LLC925,614$1.32M0.3%+1.4%0.807%
2/15/2024Opaleye Management Inc.496,500$914K0.2%+9.0%0.549%
2/14/2024Oracle Investment Management Inc.60,939$112K0.1%+44.8%0.067%
2/12/2024AIGH Capital Management LLC4,658,946$8.57M3.4%-5.0%5.149%
2/9/2024Worth Venture Partners LLC1,141,794$2.10M1.1%-5.0%1.262%
2/8/2024Essex Investment Management Co. LLC912,945$1.68M0.3%-10.2%1.009%
11/15/2023Worth Venture Partners LLC1,202,367$1.98M1.2%-4.8%1.329%
11/14/2023Oracle Investment Management Inc.42,076$69K0.0%N/A0.047%
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11/13/2023AIGH Capital Management LLC4,906,698$8.10M3.8%-3.1%5.423%
11/9/2023Essex Investment Management Co. LLC1,016,313$1.68M0.3%-1.5%1.293%
10/12/2023Legato Capital Management LLC334,310$552K0.1%-5.6%0.425%
5/25/2023Legato Capital Management LLC205,052$381K0.1%+541.7%0.261%
5/15/2023AIGH Capital Management LLC5,544,531$10.31M3.8%-9.0%7.110%
5/4/2023Essex Investment Management Co. LLC785,652$1.46M0.2%+107.8%1.008%
2/16/2023AIGH Capital Management LLC6,093,475$14.02M4.6%N/A14.477%
2/15/2023Endurant Capital Management LP124,430$286K0.1%-4.4%0.296%
2/13/2023CIBC Private Wealth Group LLC13,100$30K0.0%N/A0.031%
2/10/2023Blair William & Co. IL19,800$46K0.0%N/A0.047%


BDSX Institutional Ownership - Frequently Asked Questions

During the previous two years, 50 institutional investors and hedge funds held shares of Biodesix. The most heavily invested institutionals were AIGH Capital Management LLC ($15.30M), Wilmington Savings Fund Society FSB ($10.85M), Sio Capital Management LLC ($7.72M), Silverarc Capital Management LLC ($6.63M), Farallon Capital Management LLC ($5.83M), Opaleye Management Inc. ($4.06M), and Samjo Management LLC ($3.79M).Learn more on Biodesix's institutional investors.

20.96% of Biodesix's stock is owned by institutional investors. Learn more on BDSX's institutional investor holdings.

Of the 42 institutional investors that purchased Biodesix's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Wilmington Savings Fund Society FSB ($6.10M), Samjo Management LLC ($2.48M), AIGH Capital Management LLC ($1.94M), Susquehanna International Group LLP ($987.48K), Silverarc Capital Management LLC ($771.19K), Perkins Capital Management Inc. ($645.43K), and Monashee Investment Management LLC ($561.47K).

Institutional investors have bought a total of 2,160,362 shares in the last 24 months. This purchase volume represents approximately $35.72M in transactions.

Of the 10 institutional investors that sold Biodesix's stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Telemark Asset Management LLC ($7.95M), Vanguard Group Inc. ($3.61M), Monashee Investment Management LLC ($1.90M), Perkins Capital Management Inc. ($1.01M), GSA Capital Partners LLP ($883.05K), Shay Capital LLC ($217.00K), and Cannell & Spears LLC ($195.33K).

Institutional investors have sold a total of 15,938,857 shares in the last 24 months. This volume of shares sold represents approximately $121.13M in transactions.


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Institutional ownership data for NASDAQ:BDSX is compiled from quarterly 13F filings submitted to the U.S. Securities and Exchange Commission (SEC), with the most recent received on 9/9/2026. New 13F filings are added each quarter as they're published.
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