BIODESIX INC BDSX

US Healthcare Services-Medical Laboratories
$21.99
-10.2%
52w: $5.00 – $24.50

Latest 13F among current holders filed 1 month ago (May 18, 2026)

Price — last 12 months

research preview data
5.0014.7524.50
Jun 20, 2025 Jul 2, 2026
Institutional holders
40
+14 QoQ
13F value
$57.6M
+419.9% QoQ
Smart-money holders
8
signal tier ≥ 2
New smart buyers
5
Q1 2026
Options barometer
calls only
$215K calls / — puts

Institutional value by quarter

$41.6M
Q1 2024
$90.5M
Q2 2024
$121.0M
Q3 2024
$98.5M
Q4 2024
$33.4M
Q1 2025
$10.0M
Q2 2025
$10.8M
Q3 2025
$11.1M
Q4 2025
$57.6M
Q1 2026

Number of holders

43
Q1 2024
47
Q2 2024
53
Q3 2024
60
Q4 2024
61
Q1 2025
42
Q2 2025
26
Q3 2025
26
Q4 2025
40
Q1 2026

Who owns BDSX?

Q1 2026 filings
FundTypeSharesValue% of fundChange
AIGH Capital Management LLC ★2Fundamental concentrated758.3K$11.0M2.3%New
Telemark Asset Management, LLC ★2Fundamental diversified489.8K$7.1M0.7%+49.4%
Aberdeen Group plc Other458.4K$6.6M0.0%+74.7%
Soleus Capital Management, L.P. ★2Fundamental diversified416.6K$6.0M0.2%New
Birchview Capital, LP ★2Fundamental diversified286.8K$4.2M2.4%Held
VANGUARD CAPITAL MANAGEMENT LLC Diversified mechanical255.2K$3.7M0.0%
Opaleye Management Inc. ★2Fundamental concentrated238.0K$3.5M0.5%New
MARSHALL WACE, LLP Quant stat arb141.6K$2.1M0.0%New
STEMPOINT CAPITAL LP ★2Fundamental concentrated140.0K$2.0M0.2%New
ESSEX INVESTMENT MANAGEMENT CO LLC Other132.1K$1.9M0.3%New
Trexquant Investment LP Diversified mechanical69.6K$1.0M0.0%+152.7%
GEODE CAPITAL MANAGEMENT, LLC Index provider50.0K$726K0.0%+17.8%
TWO SIGMA INVESTMENTS, LP Quant stat arb45.2K$656K0.0%New
PERKINS CAPITAL MANAGEMENT INC ★2Fundamental diversified44.8K$649K0.6%Held
SEI INVESTMENTS CO Diversified mechanical43.0K$624K0.0%New
Legato Capital Management LLC Other41.2K$597K0.1%New
GSA CAPITAL PARTNERS LLP Diversified mechanical39.4K$571K0.0%-38.9%
UBS Group AG Bank broker36.8K$534K0.0%New
MORGAN STANLEY Bank broker32.4K$470K0.0%+53001.6%
VANGUARD FIDUCIARY TRUST CO Diversified mechanical28.7K$416K0.0%
BLAIR WILLIAM & CO/IL Diversified mechanical27.6K$400K0.0%New
JANE STREET GROUP, LLC Market maker27.0K$392K0.0%New
BlackRock, Inc. Index provider24.5K$355K0.0%Held
MILLENNIUM MANAGEMENT LLC Multistrat pod24.0K$348K0.0%New
SUSQUEHANNA INTERNATIONAL GROUP, LLP Market maker23.1K$335K0.0%New
STATE STREET CORP Index provider17.8K$258K0.0%Held
HRT FINANCIAL LP Diversified mechanical15.4K$223K0.0%New
Cetera Investment Advisers Wealth advisor12.0K$174K0.0%+20.0%
RENAISSANCE TECHNOLOGIES LLC Quant stat arb11.9K$173K0.0%New
THOMPSON DAVIS & CO., INC. ★2Fundamental diversified11.8K$170K0.1%New
BRIDGEWAY CAPITAL MANAGEMENT, LLC Diversified mechanical11.0K$160K0.0%New
Walleye Capital LLC Multistrat pod10.8K$157K0.0%New
Allworth Financial LP Wealth advisor5.0K$72K0.0%Held
Vanguard Global Advisers, LLC Diversified mechanical1.1K$15K0.0%
BNP PARIBAS FINANCIAL MARKETS Bank broker924$13K0.0%New
Fortitude Family Office, LLC Wealth advisor171$2K0.0%Held
GROUP ONE TRADING LLC Market maker100$1K0.0%Held
GILL CAPITAL PARTNERS, LLC Wealth advisor13$1890.0%New
FMR LLC Long only active1$150.0%Held
Tower Research Capital LLC (TRC) Market maker1$140.0%-99.5%

Exits are not a bearish signal: our backtest shows stocks specialists exit keep outperforming for 3+ quarters — selling usually means profit-taking, not a forecast.