Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in FONR held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | MONEY CONCEPTS CAPITAL CORP | 497K | $9.2M | -2.6% | 8.059% | 0.51% |
| 2 | VANGUARD CAPITAL MANAGEMENT LLC | 333K | $6.2M | β | 5.399% | 0.00% |
| 3 | DIMENSIONAL FUND ADVISORS LP | 315K | $5.9M | -15.5% | 5.111% | 0.00% |
| 4 | Peapod Lane Capital LLC | 114K | $2.1M | +8.4% | 1.841% | 1.73% |
| 5 | BlackRock, Inc. | 91K | $1.7M | -0.2% | 1.481% | 0.00% |
| 6 | GABELLI FUNDS LLC | 91K | $1.7M | β | 1.466% | 0.01% |
| 7 | RBF Capital, LLC | 90K | $1.7M | +18.7% | 1.450% | 0.09% |
| 8 | TWO SIGMA INVESTMENTS, LP | 81K | $1.5M | β | 1.307% | 0.00% |
| 9 | CREDIT INDUSTRIEL ET COMMERCIAL | 79K | $1.5M | β | 1.283% | 0.12% |
| 10 | GEODE CAPITAL MANAGEMENT, LLC | 71K | $1.3M | +2.1% | 1.151% | 0.00% |
| 11 | AMERICAN CENTURY COMPANIES INC | 68K | $1.3M | +126.4% | 1.102% | 0.00% |
| 12 | GABELLI & Co INVESTMENT ADVISERS, INC. | 54K | $1.0M | β | 0.874% | 0.15% |
| 13 | VANGUARD FIDUCIARY TRUST CO | 38K | $703K | β | 0.613% | 0.00% |
| 14 | NORTHERN TRUST CORP | 33K | $615K | +3.2% | 0.537% | 0.00% |
| 15 | STATE STREET CORP | 32K | $600K | +43.7% | 0.524% | 0.00% |
| 16 | Lakewood Asset Management LLC | 19K | $354K | 0.0% | 0.309% | 0.23% |
| 17 | Bank of New York Mellon Corp | 18K | $338K | -19.0% | 0.295% | 0.00% |
| 18 | PenderFund Capital Management Ltd. | 17K | $321K | +113.6% | 0.280% | 0.05% |
| 19 | UBS Group AG | 13K | $243K | +1348.7% | 0.212% | 0.00% |
| 20 | EXCHANGE TRADED CONCEPTS, LLC | 13K | $233K | β | 0.204% | 0.00% |
| 21 | ADVISOR GROUP HOLDINGS, INC. | 4K | $70K | -5.2% | 0.061% | 0.00% |
| 22 | LOM Asset Management Ltd | 3K | $52K | 0.0% | 0.045% | 0.01% |
| 23 | Vanguard Global Advisers, LLC | 2K | $43K | β | 0.037% | 0.00% |
| 24 | FMR LLC | 2K | $42K | 0.0% | 0.037% | 0.00% |
| 25 | PNC FINANCIAL SERVICES GROUP, INC. | 969 | $18K | 0.0% | 0.016% | 0.00% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). β% of Fundβ shows how much of that investorβs total 13F portfolio is invested in FONR β a direct measure of their conviction.
Filings activity in FONR during Q1 2026, grouped by how each filer changed its position.
Institutions that opened a new FONR position in Q1 2026
Institutions that fully closed their FONR position in Q1 2026
8 quarters of 13F filings Β· Ξ columns show change vs prior quarter
| Quarter | Inst. Holders | Ξ Holders | Ownership % | Ξ Ownership | Total 13F Value | Ξ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 40 | 15% | 32.80% | 7.68 pp | $39M | 19% |
| Q4 2025 | 47 | +12% | 40.48% | +3.75 pp | $48M | +10% |
| Q3 2025 | 42 | 14% | 36.73% | +0.23 pp | $43M | +0.6% |
| Q2 2025 | 49 | +4.3% | 36.50% | +1.26 pp | $43M | +3.6% |
| Q1 2025 | 47 | 11% | 35.24% | 3.74 pp | $42M | 9.6% |
| Q4 2024 | 53 | +3.9% | 38.98% | 2.47 pp | $46M | 6.0% |
| Q3 2024 | 51 | 1.9% | 41.45% | 4.14 pp | $49M | 9.1% |
| Q2 2024 | 52 | β | 45.59% | β | $54M | β |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Ξ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying FONR stock.
Based on Q1 2026 13F filings, institutional ownership of FONAR Corporation stands at 32.8%, held across 40 reporting institutions.
MONEY CONCEPTS CAPITAL CORP is the largest reported institutional holder of FONR, with approximately 497,482 shares worth $0.01B as of Q1 2026.
Yes β 1 widely-followed marquee investor appear among the top 25 institutional holders of FONR, including TWO SIGMA INVESTMENTS, LP.
Our composite Smart Money Score for FONR is 31 out of 100 (Bearish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
9 institutions opened new positions in FONR during Q1 2026, while 16 fully exited. 11 added to existing positions and 8 trimmed.
FONR institutional ownership fell by 7.68 percentage points quarter-over-quarter, with a net change of -7 holders.
The top 10 institutions account for 84.6% of all reported 13F value in FONR, and the top 25 account for 99.9%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
FONAR Corporation (FONR) Institutional Ownership