Myomo
MYO • AMEX
Myomo is a medical - devices company in the healthcare sector on AMEX, led by Paul R. Gudonis, with a market cap of $40.4M. As of Q3 2025, 36% of shares are held by 64 institutional investors, with Rosalind Advisors, Inc. as the largest holder at 10.03%.
Chief Executive OfficerPaul R. Gudonis
Market Cap$40.4M
Medical - Devices
Healthcare
Employees106.0
Websitemyomo.com
Country
United States of America
Overview
Overview of institutional ownership in MYO as of Q3 2025 with a market cap of $33.7M
All Institutions
- Institutions
- 64
- Value Held
- $12.1M
- Shares Held
- 13.6M
- Avg Position
- $189.4K
- Median Position
- $19.1K
Hedge Funds
- Hedge Funds
- 8
- Value Held
- $1.8M
- Shares Held
- 2.1M
- Avg Position
- $231.0K
- Median Position
- $139.5K
Ownership Breakdown
Based on market cap of $33.7M as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.
Biggest Investors
Institutions with the largest positions in MYO as of Q3 2025
| Institution | Position Value |
|---|---|
R Rosalind Advisors, Inc. Institution | $3.4M 1.28% of portfolio |
B BlackRock, Inc. Institution | $1.5M 0.00% of portfolio |
 VANGUARD GROUP INC Institution | $1.3M 0.00% of portfolio |
 GOLDMAN SACHS GROUP INC Institution | $922.0K 0.00% of portfolio |
 GEODE CAPITAL MANAGEMENT LLC ETF Provider | $717.6K 0.00% of portfolio |
 RENAISSANCE TECHNOLOGIES LLC Hedge Fund•Quant | $635.2K 0.00% of portfolio |
 Soleus Capital Management, L.P. Hedge Fund•Long/Short | $628.2K 0.03% of portfolio |
 Hartland & Co., LLC RIA/Wealth | $379.6K 0.01% of portfolio |
 STATE STREET CORP Institution | $339.2K 0.00% of portfolio |
 AQR CAPITAL MANAGEMENT LLC Hedge Fund•Multi-Strategy | $262.2K 0.00% of portfolio |
Net Capital Flow
Institutional buying and selling activity for MYO in Q3 2025
- Traded
- −$14.1M
- Buyers
- 31
- Sellers
- 49
- Total Bought
- +$2.0M
- Total Sold
- −$16.1M
- Avg Position
- $128.9K
Biggest Buyers
| Institution | Net Bought |
|---|---|
GOLDMAN SACHS GROUP INC Institution | +$594.5K +666.5K shares |
AQR CAPITAL MANAGEMENT LLC Hedge Fund•Multi-Strategy | +$262.2K +293.9K shares |
 Centiva Capital, LP Hedge Fund•Multi-Strategy | +$189.8K +212.8K shares |
R Rosalind Advisors, Inc. Institution | +$173.9K +195.0K shares |
RENAISSANCE TECHNOLOGIES LLC Hedge Fund•Quant | +$152.3K +170.7K shares |
 DEUTSCHE BANK AG\ Institution | +$120.7K +135.7K shares |
GEODE CAPITAL MANAGEMENT LLC ETF Provider | +$120.6K +135.2K shares |
N Nuveen, LLC Institution | +$91.8K +102.9K shares |
 CORSAIR CAPITAL MANAGEMENT LLC Hedge Fund•Multi-Strategy | +$89.2K +100.0K shares |
L LPL Financial LLC Institution | +$51.2K +57.4K shares |
Biggest Sellers
| Institution | Net Sold |
|---|---|
A AIGH Capital Management LLC Hedge Fund•Long/Short | −$7.7M −3.6M shares |
 Journey Advisory Group, LLC RIA/Wealth | −$1.9M −875.8K shares |
S Stonepine Capital Management, LLC Institution | −$988.0K −457.4K shares |
 CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy | −$701.1K −324.6K shares |
 Marshall Wace LLP Institution | −$657.5K −304.4K shares |
 THOMPSON SIEGEL & WALMSLEY LLC Long Only Manager | −$617.0K −285.7K shares |
 MILLENNIUM MANAGEMENT LLC Hedge Fund•Multi-Strategy | −$495.6K −229.4K shares |
 ESSEX INVESTMENT MANAGEMENT CO LLC Long Only Manager | −$432.0K −200.0K shares |
 MORGAN STANLEY RIA/Wealth | −$234.5K −262.9K shares |
 Huntleigh Advisors, Inc. RIA/Wealth | −$217.5K −100.7K shares |
Entry and Exit Activity
Institutions that initiated new positions or completely exited MYO in Q3 2025
- New Positions
- 9
- New Value
- $567.8K
- Exited Positions
- 29
- Exited Value
- $15.5M
New Positions
| Institution | Position Value |
|---|---|
AQR CAPITAL MANAGEMENT LLC Hedge Fund•Multi-Strategy | $262.2K 293.9K shares |
Centiva Capital, LP Hedge Fund•Multi-Strategy | $189.8K 212.8K shares |
CORSAIR CAPITAL MANAGEMENT LLC Hedge Fund•Multi-Strategy | $89.2K 100.0K shares |
$13.9K 15.6K shares | |
A Abel Hall, LLC RIA/Wealth | $10.1K 11.3K shares |
 CWM, LLC RIA/Wealth | $1.0K 1.5K shares |
 Fortitude Family Office, LLC Family Office | $809.0 907.0 shares |
 SRS Capital Advisors, Inc. RIA/Wealth | $666.0 746.0 shares |
E EverSource Wealth Advisors, LLC RIA/Wealth | $179.0 201.0 shares |
Exited Positions
| Institution | Previous Position |
|---|---|
A AIGH Capital Management LLC Hedge Fund•Long/Short | $7.7M 3.6M shares |
Journey Advisory Group, LLC RIA/Wealth | $1.9M 875.8K shares |
S Stonepine Capital Management, LLC Institution | $988.0K 457.4K shares |
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy | $701.1K 324.6K shares |
Marshall Wace LLP Institution | $657.5K 304.4K shares |
THOMPSON SIEGEL & WALMSLEY LLC Long Only Manager | $617.0K 285.7K shares |
MILLENNIUM MANAGEMENT LLC Hedge Fund•Multi-Strategy | $495.6K 229.4K shares |
ESSEX INVESTMENT MANAGEMENT CO LLC Long Only Manager | $432.0K 200.0K shares |
Huntleigh Advisors, Inc. RIA/Wealth | $217.5K 100.7K shares |
 Aristides Capital LLC Real Assets | $205.2K 95.0K shares |
Options Activity
Institutions with the largest Call and Put options positions in MYO as of Q3 2025
- Call Positions
- 0
- Call Value
- -
- Put Positions
- 1
- Put Value
- $15.2K
Call Positions
| Institution | Position Value |
|---|---|
| No call positions found | |
Put Positions
| Institution | Position Value |
|---|---|
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy | $15.2K 170.0 contracts |
Most Committed Institutions
Institutions with MYO as the highest % of their portfolio as of Q3 2025
| Institution | Portfolio Weight |
|---|---|
R Rosalind Advisors, Inc. Institution | 1.28% $3.4M |
D Dauntless Investment Group, LLC Institution | 0.13% $49.5K |
Soleus Capital Management, L.P. Hedge Fund•Long/Short | 0.03% $628.2K |
Centiva Capital, LP Hedge Fund•Multi-Strategy | 0.02% $189.8K |
CORSAIR CAPITAL MANAGEMENT LLC Hedge Fund•Multi-Strategy | 0.02% $89.2K |
 Accel Wealth Management RIA/Wealth | 0.01% $39.8K |
 R Squared Ltd Private Equity | 0.01% $16.5K |
Hartland & Co., LLC RIA/Wealth | 0.01% $379.6K |
A Abel Hall, LLC RIA/Wealth | 0.00% $10.1K |
 Accurate Wealth Management, LLC RIA/Wealth | 0.00% $24.5K |
Hedge Fund Spotlight
Discover hedge funds investing in MYO
CORSAIR CAPITAL MANAGEMENT LLC
Hedge Fund • Multi-Strategy
Portfolio ManagerJeffrey Archer Zelin
- Portfolio Value
- $563.1M
- Positions
- 163
- Last Reported
- Q3 2025
Sector Allocation
Position in Myomo
- Market Value
- $89.2K
- Shares Held
- 100.0K
- Portfolio Weight
- 0.02%
- Owned Since
- 2025-Q3
| Top Holding | Sector | Market Value | Weight |
|---|---|---|---|
Electrical Equipment & Parts Industrials | $91.3M | 16.22% | |
Manufacturing - Metal Fabrication Industrials | $88.0M | 15.63% | |
Education & Training Services Consumer Defensive | $60.3M | 10.70% |
