Fonar Corporation
FONR • NASDAQ
Fonar Corporation is a medical - devices company in the healthcare sector on NASDAQ, led by Timothy R. Damadian, with a market cap of $92.9M. As of Q3 2025, 46% of shares are held by 40 institutional investors, with KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC as the largest holder at 8.53%.
President, Chief Executive OfficerTimothy R. Damadian
Market Cap$92.9M
Medical - Devices
Healthcare
Employees484.0
Websitefonar.com
Country
United States of America
Overview
Overview of institutional ownership in FONR as of Q3 2025 with a market cap of $94.8M
All Institutions
- Institutions
- 40
- Value Held
- $43.8M
- Shares Held
- 2.9M
- Avg Position
- $1.1M
- Median Position
- $232.7K
Hedge Funds
- Hedge Funds
- 2
- Value Held
- $6.0M
- Shares Held
- 398.6K
- Avg Position
- $3.0M
- Median Position
- $3.0M
Ownership Breakdown
Based on market cap of $94.8M as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.
Biggest Investors
Institutions with the largest positions in FONR as of Q3 2025
| Institution | Position Value |
|---|---|
 KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC Long Only Manager | $8.1M 0.02% of portfolio |
 MONEY CONCEPTS CAPITAL CORP RIA/Wealth | $7.3M 0.45% of portfolio |
 VANGUARD GROUP INC Institution | $5.8M 0.00% of portfolio |
 DIMENSIONAL FUND ADVISORS LP Long Only Manager | $5.7M 0.00% of portfolio |
 RENAISSANCE TECHNOLOGIES LLC Hedge Fund•Quant | $4.6M 0.01% of portfolio |
P Peapod Lane Capital LLC Institution | $1.7M 1.53% of portfolio |
B BlackRock, Inc. Institution | $1.4M 0.00% of portfolio |
T Truffle Hound Capital, LLC Hedge Fund•Long/Short | $1.4M 1.09% of portfolio |
B BRIDGEWAY CAPITAL MANAGEMENT INC Long Only Manager | $1.2M 0.03% of portfolio |
R RBF Capital, LLC Institution | $1.1M 0.05% of portfolio |
Net Capital Flow
Institutional buying and selling activity for FONR in Q3 2025
- Traded
- −$215.6K
- Buyers
- 13
- Sellers
- 20
- Total Bought
- +$1.3M
- Total Sold
- −$1.5M
- Avg Position
- $875.3K
Biggest Buyers
| Institution | Net Bought |
|---|---|
MONEY CONCEPTS CAPITAL CORP RIA/Wealth | +$312.7K +20.8K shares |
 O'SHAUGHNESSY ASSET MANAGEMENT, LLC Long Only Manager | +$312.1K +20.7K shares |
 Inspire Advisors, LLC RIA/Wealth | +$216.0K +14.3K shares |
 Comprehensive Portfolio Management, LLC RIA/Wealth | +$104.6K +6.9K shares |
A Atlantic Trust Group, LLC Institution | +$90.4K +6.0K shares |
 Lakewood Asset Management LLC RIA/Wealth | +$84.4K +5.6K shares |
DIMENSIONAL FUND ADVISORS LP Long Only Manager | +$66.5K +4.4K shares |
 Empowered Funds, LLC ETF Provider | +$36.3K +2.4K shares |
 CITIGROUP INC Institution | +$12.3K +817.0 shares |
B BlackRock, Inc. Institution | +$11.2K +746.0 shares |
Biggest Sellers
| Institution | Net Sold |
|---|---|
P Peapod Lane Capital LLC Institution | −$449.7K −29.9K shares |
R ROYAL BANK OF CANADA Institution | −$264.8K −17.7K shares |
 Integrated Wealth Concepts LLC RIA/Wealth | −$215.8K −14.4K shares |
L LSV ASSET MANAGEMENT Long Only Manager | −$141.0K −9.4K shares |
KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC Long Only Manager | −$106.2K −7.0K shares |
RENAISSANCE TECHNOLOGIES LLC Hedge Fund•Quant | −$103.9K −6.9K shares |
 NORTHERN TRUST CORP Institution | −$45.0K −3.0K shares |
B BRIDGEWAY CAPITAL MANAGEMENT INC Long Only Manager | −$33.0K −2.2K shares |
VANGUARD GROUP INC Institution | −$28.6K −1.9K shares |
 GLOBEFLEX CAPITAL L P Long Only Manager | −$23.4K −1.6K shares |
Entry and Exit Activity
Institutions that initiated new positions or completely exited FONR in Q3 2025
- New Positions
- 1
- New Value
- $90.4K
- Exited Positions
- 9
- Exited Value
- $556.3K
New Positions
| Institution | Position Value |
|---|---|
A Atlantic Trust Group, LLC Institution | $90.4K 6.0K shares |
Exited Positions
| Institution | Previous Position |
|---|---|
R ROYAL BANK OF CANADA Institution | $264.8K 17.7K shares |
Integrated Wealth Concepts LLC RIA/Wealth | $215.8K 14.4K shares |
GLOBEFLEX CAPITAL L P Long Only Manager | $23.4K 1.6K shares |
 LAZARD ASSET MANAGEMENT LLC Long Only Manager | $22.9K 1.5K shares |
 Hanson McClain, Inc. RIA/Wealth | $15.0K 1.0K shares |
 RAYMOND JAMES FINANCIAL INC RIA/Wealth | $8.0K 536.0 shares |
 UBS Group AG Institution | $4.4K 292.0 shares |
B BNP PARIBAS ARBITRAGE, SA Institution | $1.4K 96.0 shares |
 Mount Yale Investment Advisors, LLC RIA/Wealth | $613.0 41.0 shares |
Options Activity
Institutions with the largest Call and Put options positions in FONR 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 FONR as the highest % of their portfolio as of Q3 2025
| Institution | Portfolio Weight |
|---|---|
P Peapod Lane Capital LLC Institution | 1.53% $1.7M |
T Truffle Hound Capital, LLC Hedge Fund•Long/Short | 1.09% $1.4M |
MONEY CONCEPTS CAPITAL CORP RIA/Wealth | 0.45% $7.3M |
Lakewood Asset Management LLC RIA/Wealth | 0.15% $249.5K |
R RBF Capital, LLC Institution | 0.05% $1.1M |
B BRIDGEWAY CAPITAL MANAGEMENT INC Long Only Manager | 0.03% $1.2M |
Inspire Advisors, LLC RIA/Wealth | 0.02% $216.0K |
KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC Long Only Manager | 0.02% $8.1M |
H Hikari Tsushin, Inc. Institution | 0.01% $213.2K |
RENAISSANCE TECHNOLOGIES LLC Hedge Fund•Quant | 0.01% $4.6M |
Hedge Fund Spotlight
Discover hedge funds investing in FONR
RENAISSANCE TECHNOLOGIES LLC
Hedge Fund • Quant
Portfolio ManagerPeter Fitzhugh Brown
- Portfolio Value
- $75.8B
- Positions
- 3,419
- Last Reported
- Q3 2025
Sector Allocation
Position in Fonar Corporation
- Market Value
- $4.6M
- Shares Held
- 308.6K
- Portfolio Weight
- 0.01%
- Owned Since
- 2013-Q2
| Top Holding | Sector | Market Value | Weight |
|---|---|---|---|
Software - Infrastructure Technology | $1.6B | 2.06% | |
Semiconductors Technology | $1.1B | 1.39% | |
Electronic Gaming & Multimedia Technology | $953.5M | 1.26% |
