MDxHealth
MDXH • NASDAQ
MDxHealth is a medical - diagnostics & research company in the healthcare sector on NASDAQ, led by Michael McGarrity, with a market cap of $164.3M. As of Q3 2025, 46% of shares are held by 42 institutional investors, with Bleichroeder LP as the largest holder at 14.91%.
CEOMichael McGarrity
Overview
Overview of institutional ownership in MDXH as of Q3 2025 with a market cap of $230.2M
All Institutions
- Institutions
- 42
- Value Held
- $105.9M
- Shares Held
- 22.8M
- Avg Position
- $2.5M
- Median Position
- $131.3K
Hedge Funds
- Hedge Funds
- 11
- Value Held
- $68.7M
- Shares Held
- 14.8M
- Avg Position
- $6.2M
- Median Position
- $720.8K
Ownership Breakdown
Based on market cap of $230.2M as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.
Biggest Investors
Institutions with the largest positions in MDXH as of Q3 2025
| Institution | Position Value |
|---|---|
 Bleichroeder LP Hedge Fund•Value | $34.3M 6.72% of portfolio |
A AWM Investment Company, Inc. Hedge Fund•Event Driven | $24.3M 2.28% of portfolio |
M MVM Partners, LLC Institution | $21.8M 100.00% of portfolio |
S Samjo Management, LLC Hedge Fund•Long/Short | $6.7M 2.57% of portfolio |
 PERKINS CAPITAL MANAGEMENT INC RIA/Wealth | $6.5M 5.75% of portfolio |
 NORTHERN TRUST CORP Institution | $2.4M 0.00% of portfolio |
 KENNEDY CAPITAL MANAGEMENT, INC. Long Only Manager | $1.8M 0.04% of portfolio |
 FreeGulliver LLC Hedge Fund•Multi-Strategy | $1.2M 0.53% of portfolio |
 RENAISSANCE TECHNOLOGIES LLC Hedge Fund•Quant | $943.0K 0.00% of portfolio |
M Mink Brook Asset Management LLC Institution | $742.8K 0.51% of portfolio |
Net Capital Flow
Institutional buying and selling activity for MDXH in Q3 2025
- Traded
- +$5.9M
- Buyers
- 31
- Sellers
- 6
- Total Bought
- +$7.3M
- Total Sold
- −$1.4M
- Avg Position
- $2.4M
Biggest Buyers
| Institution | Net Bought |
|---|---|
KENNEDY CAPITAL MANAGEMENT, INC. Long Only Manager | +$1.8M +392.7K shares |
M Mink Brook Asset Management LLC Institution | +$742.8K +159.7K shares |
P Panoramic Capital, LLC Hedge Fund•Long/Short | +$720.8K +155.0K shares |
FreeGulliver LLC Hedge Fund•Multi-Strategy | +$601.5K +129.3K shares |
 EAM Investors, LLC Long Only Manager | +$594.2K +127.8K shares |
R Russell Investments Group, Ltd. RIA/Wealth | +$460.5K +99.0K shares |
 Calamos Advisors LLC Long Only Manager | +$304.6K +65.5K shares |
RENAISSANCE TECHNOLOGIES LLC Hedge Fund•Quant | +$267.5K +57.5K shares |
 SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity | +$264.1K +56.8K shares |
 Marshall Wace LLP Institution | +$179.4K +38.6K shares |
Biggest Sellers
| Institution | Net Sold |
|---|---|
NORTHERN TRUST CORP Institution | −$561.4K −120.7K shares |
S Samjo Management, LLC Hedge Fund•Long/Short | −$418.0K −89.9K shares |
 Delta Investment Management, LLC RIA/Wealth | −$180.1K −38.7K shares |
PERKINS CAPITAL MANAGEMENT INC RIA/Wealth | −$81.0K −17.4K shares |
 Castleview Partners, LLC RIA/Wealth | −$72.0K −32.6K shares |
 OPPENHEIMER & CO INC RIA/Wealth | −$44.2K −20.0K shares |
Entry and Exit Activity
Institutions that initiated new positions or completely exited MDXH in Q3 2025
- New Positions
- 18
- New Value
- $5.8M
- Exited Positions
- 2
- Exited Value
- $116.2K
New Positions
| Institution | Position Value |
|---|---|
KENNEDY CAPITAL MANAGEMENT, INC. Long Only Manager | $1.8M 392.7K shares |
M Mink Brook Asset Management LLC Institution | $742.8K 159.7K shares |
P Panoramic Capital, LLC Hedge Fund•Long/Short | $720.8K 155.0K shares |
EAM Investors, LLC Long Only Manager | $594.2K 127.8K shares |
R Russell Investments Group, Ltd. RIA/Wealth | $460.5K 99.0K shares |
Calamos Advisors LLC Long Only Manager | $304.6K 65.5K shares |
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity | $264.1K 56.8K shares |
Marshall Wace LLP Institution | $179.4K 38.6K shares |
Q Qube Research & Technologies Ltd Institution | $143.8K 30.9K shares |
 FIRST MANHATTAN CO Institution | $125.6K 27.0K shares |
Exited Positions
| Institution | Previous Position |
|---|---|
Castleview Partners, LLC RIA/Wealth | $72.0K 32.6K shares |
OPPENHEIMER & CO INC RIA/Wealth | $44.2K 20.0K shares |
Options Activity
Institutions with the largest Call and Put options positions in MDXH as of Q3 2025
- Call Positions
- 0
- Call Value
- -
- Put Positions
- 0
- Put Value
- -
Call Positions
| Institution | Position Value |
|---|---|
| No call positions found | |
Put Positions
| Institution | Position Value |
|---|---|
| No put positions found | |
Most Committed Institutions
Institutions with MDXH as the highest % of their portfolio as of Q3 2025
| Institution | Portfolio Weight |
|---|---|
M MVM Partners, LLC Institution | 100.00% $21.8M |
Bleichroeder LP Hedge Fund•Value | 6.72% $34.3M |
PERKINS CAPITAL MANAGEMENT INC RIA/Wealth | 5.75% $6.5M |
S Samjo Management, LLC Hedge Fund•Long/Short | 2.57% $6.7M |
A AWM Investment Company, Inc. Hedge Fund•Event Driven | 2.28% $24.3M |
FreeGulliver LLC Hedge Fund•Multi-Strategy | 0.53% $1.2M |
M Mink Brook Asset Management LLC Institution | 0.51% $742.8K |
P Panoramic Capital, LLC Hedge Fund•Long/Short | 0.46% $720.8K |
Delta Investment Management, LLC RIA/Wealth | 0.12% $624.8K |
EAM Investors, LLC Long Only Manager | 0.07% $594.2K |
Hedge Fund Spotlight
Discover hedge funds investing in MDXH
Bleichroeder LP
Hedge Fund • Value
Portfolio ManagerAndrew Stephen Gundlach
- Portfolio Value
- $510.9M
- Positions
- 67
- Last Reported
- Q3 2025
Sector Allocation
Position in MDxHealth
- Market Value
- $34.3M
- Shares Held
- 7.4M
- Portfolio Weight
- 6.72%
- Owned Since
- 2021-Q4
| Top Holding | Sector | Market Value | Weight |
|---|---|---|---|
Unknown Unknown | $168.8M | 33.05% | |
Manufacturing - Metal Fabrication Industrials | $81.6M | 15.97% | |
Chemicals - Specialty Basic Materials | $39.0M | 7.63% |
