MdxhealthMDXH

13F holders, Q1 2026 (March 31)
51holders −5
9new positions
14sold out
4famous investors
$2.30avg. 13F price*

At the end of Q1 2026, 51 institutions reported holding Mdxhealth (MDXH) in their 13F filings, down 5 from Q4 2025. 9 opened new positions and 14 sold out. The largest holders were Bleichroeder LP ($17.0M), AWM Investment Company, Inc. ($12.0M) and MVM Partners, LLC ($10.8M). 4 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio), Israel Englander (0.0% of Millennium Management's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).

Company
Mdxhealth
CUSIP
B5950S113
Latest filing quarter
Q2 2026

History

Number of 13F holders

0204060 Q1 2024: 13Q1 2024Q2 2024: 9Q2 2024Q3 2024: 22Q3 2024Q4 2024: 24Q4 2024Q1 2025: 21Q1 2025Q2 2025: 21Q2 2025Q3 2025: 41Q3 2025Q4 2025: 56Q4 2025Q1 2026: 51Q1 2026Q2 2026: 26Q2 2026

Total Exit/New Position Q4 2025 → Q1 2026

InstitutionsTotal Value
New Positions9$559K
Exits14$2.5M

All 13F filers, Q4 2025 → Q1 2026: 1,893,834 shares bought and 1,472,531 shares sold, net +421,303 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 51 holders

Bleichroeder LP 2.94% No change 7,378,333 $17.0M
AWM Investment Company, Inc. 1.33% No change 5,221,282 $12.0M
MVM Partners, LLC 100.00% No change 4,700,457 $10.8M
Perkins Capital Management Inc. 3.18% Add +7.1% 1,476,441 $3.4M
Samjo Management, LLC 1.44% Add +3.8% 1,449,450 $3.3M
Mink Brook Asset Management LLC 1.54% Add +356.9% 1,203,454 $2.8M
Millennium Management 0.00% Add +366.3% 544,728 $1.3M
Northern Trust Corp. 0.00% Reduce -0.8% 494,523 $1.1M
Renaissance Technologies 0.00% Add +21.8% 304,700 $701K
Susquehanna International Group, LLP 0.00% Add +8.4% 267,692 $616K
Panoramic Capital, LLC 0.39% No change 238,668 $549K
Kennedy Capital Management LLC 0.01% Reduce -48.0% 205,438 $473K
Landscape Capital Management, L.L.C. 0.02% New 163,655 $376K
Shay Capital LLC 0.05% Reduce -12.0% 150,000 $345K
BlackRock, Inc. 0.00% Add +5.2% 104,321 $240K
Goldman Sachs Group Inc. 0.00% Add +16.8% 98,619 $227K
683 Capital Management, LLC 0.02% Reduce -9.9% 97,000 $223K
Russell Investments Group, Ltd. 0.00% Reduce -64.5% 68,871 $158K
Hudson Bay Capital Management LP 0.00% Add +12.3% 62,497 $144K
Citadel Advisors 0.00% Reduce -37.3% 59,634 $137K
Marshall Wace, LLP 0.00% Reduce -70.6% 50,166 $115K
Bank of America Corp. 0.00% Add +213.9% 43,492 $100K
XTX Topco Ltd 0.00% Reduce -7.7% 37,715 $87K
AlphaCentric Advisors LLC 0.08% Reduce -56.1% 32,951 $76K
Geode Capital Management, LLC 0.00% No change 29,185 $67K
Catalyst Funds Management Pty Ltd 0.01% New 28,046 $65K
First Manhattan Co. Llc. 0.00% No change 27,000 $62K
FAS Wealth Partners, Inc. 0.00% No change 22,625 $52K
Two Sigma Investments, LP 0.00% Reduce -55.9% 21,184 $49K
Point72 Asset Management 0.00% Reduce -68.0% 20,767 $48K
Citigroup Inc. 0.00% Reduce -24.1% 18,945 $44K
Morgan Stanley 0.00% Reduce -71.0% 16,384 $38K
Axq Capital, LP 0.00% New 15,954 $37K
Diametric Capital, LP 0.01% New 13,203 $30K
OMERS ADMINISTRATION Corp 0.00% Reduce -74.3% 11,800 $27K
Gsa Capital Partners LLP 0.00% Reduce -84.3% 11,092 $26K
HRT Financial LP 0.00% New 11,323 $26K
Peapack Gladstone Financial Corp. 0.00% New 11,011 $25K
Lido Advisors, LLC 0.00% Add +1.5% 10,497 $24K
Intesa Sanpaolo Wealth Management 0.01% No change 10,000 $23K
Cambridge Investment Research Advisors, Inc. 0.00% No change 10,000 $23K
Federated Hermes, Inc. 0.00% Reduce -29.2% 702 $2K
Barclays PLC 0.00% Add +80.7% 694 $2K
Wells Fargo & Company 0.00% No change 200 $460
UBS Group AG 0.00% Reduce -89.6% 176 $405
Monetary Solutions, Ltd 0.00% No change 85 $196
Deutsche Bank AG 0.00% New 50 $115
SBI Securities Co., Ltd. 0.00% No change 29 $67
Farther Finance Advisors, LLC 0.00% No change 10 $22
Caitong International Asset Management Co., Ltd 0.00% New 7 $16
Royal Bank of Canada 0.00% New 60 $0

"% of holder's portfolio" is MDXH's weight in each manager's 13F, not the share of Mdxhealth the manager owns.