FonarFONR
13F holders, Q4 2025 (December 31)At the end of Q4 2025, 45 institutions reported holding Fonar Corp. (FONR) in their 13F filings, up 4 from Q3 2025. 8 opened new positions and 4 sold out. The largest holders were Money Concepts Capital Corp. ($9.5M), Dimensional Fund Advisors LP ($6.9M) and Vanguard Group Inc. ($6.8M). 2 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Fonar Corp.
- CUSIP
- 344437405
- Latest filing quarter
- Q1 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 8 | $2.3M |
| Exits | 4 | $1.5M |
All 13F filers, Q3 2025 → Q4 2025: 167,965 shares bought and 490,144 shares sold, net −322,179 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 45 holders
| Money Concepts Capital Corp. | 0.53% | Add +5.6% | 510,672 | $9.5M |
| Dimensional Fund Advisors LP | 0.00% | Reduce -1.0% | 373,317 | $6.9M |
| Vanguard Group Inc. | 0.00% | Reduce -6.3% | 363,788 | $6.8M |
| Renaissance Technologies | 0.01% | Add +2.3% | 315,716 | $5.9M |
| Kayne Anderson Rudnick Investment Management LLC | 0.01% | Reduce -53.2% | 251,350 | $4.7M |
| Peapod Lane Capital LLC | 1.66% | Reduce -7.5% | 104,869 | $1.9M |
| BlackRock, Inc. | 0.00% | Reduce -0.4% | 91,590 | $1.7M |
| Truffle Hound Capital, LLC | 0.98% | No change | 90,000 | $1.7M |
| RBF Capital, LLC | 0.06% | Add +3.3% | 75,447 | $1.4M |
| Geode Capital Management, LLC | 0.00% | Add +2.0% | 69,612 | $1.3M |
| Bridgeway Capital Management, LLC | 0.02% | Reduce -40.6% | 48,185 | $894K |
| Virtu Financial LLC | 0.03% | New | 42,031 | $780K |
| Northern Trust Corp. | 0.00% | Reduce -0.8% | 32,084 | $595K |
| American Century Companies Inc. | 0.00% | No change | 30,047 | $558K |
| Marshall Wace, LLP | 0.00% | New | 28,181 | $523K |
| Rangeley Capital, LLC | 0.41% | New | 25,113 | $466K |
| Bank of New York Mellon Corp | 0.00% | No change | 22,508 | $418K |
| State Street Corp. | 0.00% | Reduce -4.2% | 22,494 | $417K |
| Citadel Advisors | 0.00% | New | 20,631 | $383K |
| Lakewood Asset Management LLC | 0.21% | Add +15.1% | 19,057 | $354K |
| Hikari Tsushin, Inc. | 0.02% | No change | 14,158 | $263K |
| PenderFund Capital Management Ltd. | 0.06% | New | 8,100 | $150K |
| CIBC Private Wealth Group LLC | 0.00% | No change | 6,000 | $111K |
| Osaic Holdings, Inc. | 0.00% | Reduce -23.9% | 3,966 | $74K |
| JPMorgan Chase & Co. | 0.00% | No change | 2,987 | $55K |
| LOM Asset Management Ltd | 0.02% | No change | 2,800 | $52K |
| FMR LLC | 0.00% | Reduce -0.4% | 2,275 | $42K |
| Morgan Stanley | 0.00% | Add +23.8% | 2,000 | $37K |
| LSV Asset Management | 0.00% | Reduce -94.5% | 1,891 | $35K |
| Barclays PLC | 0.00% | Add +43033.3% | 1,294 | $24K |
| PNC Financial Services Group, Inc. | 0.00% | No change | 969 | $18K |
| UBS Group AG | 0.00% | New | 902 | $17K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +1152.5% | 764 | $14K |
| Vermillion Wealth Management, Inc. | 0.00% | No change | 353 | $7K |
| Federation des caisses Desjardins du Quebec | 0.00% | No change | 350 | $6K |
| Cwm, LLC | 0.00% | No change | 300 | $6K |
| Rhumbline Advisers | 0.00% | No change | 298 | $6K |
| Royal Bank of Canada | 0.00% | New | 132 | $2K |
| NewEdge Advisors, LLC | 0.00% | New | 25 | $464 |
| Bank of America Corp. | 0.00% | Add +30.8% | 17 | $316 |
| Wells Fargo & Company | 0.00% | Reduce -7.1% | 13 | $254 |
| Archer Investment Corp | 0.00% | No change | 10 | $186 |
| Citigroup Inc. | 0.00% | Reduce -99.8% | 2 | $37 |
| SBI Securities Co., Ltd. | 0.00% | No change | 1 | $19 |
| Bernard Wealth Management Corp. | 0.00% | No change | 1 | $19 |
"% of holder's portfolio" is FONR's weight in each manager's 13F, not the share of Fonar Corp. the manager owns.