13F Insight
DOSSIER · 13F Holders · Q1 2026Most-boughtAI cap-ex

MDXHEALTH SA

52 institutions still hold MDXHEALTH SA as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP B5950S113·52 13F holders·last filed Mar 31, 2026
Market cap
—
▼ 4.4%
vs prior quarter
13F value held
$348M
57.0% inst. owned
of float
Holders
52
-117 QoQ
filers reporting
Activity
+81 / −64
+816 added · −736 reduced
this quarter
Concentration
82.05%
ORBIMED ADVISORS LLC #1
top holder share
AI Holders Summary · Q1 2026

52 institutions reported MDXHEALTH SA in Q1 2026. ORBIMED ADVISORS LLC leads at 82.0% of the visible book. -117 net institutions QoQ — distribution reading.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
ORBIMED ADVISORS LLC
CIK 0001055951
$286M124.3M5.69%Q1 202602
Bleichroeder LP
CIK 0001781002
$17M7.4M2.93%Q1 202603
MVM Partners, LLC
CIK 0001947083
$17M4.7M100.00%Q4 202504
AWM Investment Company, Inc.
CIK 0001535264
$12M5.2M1.33%Q1 202605
PERKINS CAPITAL MANAGEMENT INC
CIK 0000884300
$3M1.5M3.18%Q1 202606
Samjo Management, LLC
CIK 0001986590
$3M1.4M1.44%Q1 202607
Mink Brook Asset Management LLC
CIK 0002052205
$3M1.2M1.54%Q1 202608
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
$1M545K0.00%Q1 202609
NORTHERN TRUST CORP
CIK 0000073124· Index
$1M495K0.00%Q1 202610
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
$700,810305K0.00%Q1 202611
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 0001446194· Market maker
$615,692268K0.00%Q1 202612
MARSHALL WACE, LLP
CIK 0001318757
$609,153171K0.00%Q4 202513
Panoramic Capital, LLC
CIK 0001950490
$548,936239K0.39%Q1 202614
KENNEDY CAPITAL MANAGEMENT LLC
CIK 0000884589
$472,507205K0.01%Q1 202615
683 Capital Management, LLC
CIK 0001404574
$384,214108K0.02%Q4 202516
LANDSCAPE CAPITAL MANAGEMENT, L.L.C.
CIK 0001536186
$376,406164K0.02%Q1 202617
Shay Capital LLC
CIK 0001723643
$345,000150K0.03%Q1 202618
CITADEL ADVISORS LLC
CIK 0001423053
$339,55095K0.00%Q4 202519
AlphaCentric Advisors LLC
CIK 0001913464
$268,00075K0.27%Q4 202520
BlackRock, Inc.
CIK 0002012383
$239,938104K0.00%Q1 2026
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