FONAR CORP (FONR) Institutional Ownership Changes & 13F Activity
FONAR CORP (FONR). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q1 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Vanguard Capital Management Llc, Fny Investment Advisers, Llc, Gabelli Funds Llc, Two Sigma Investments, Lp, and Credit Industriel Et Commercial.
| Institution | Type | Change in shares | Change Position % | Shares | Reported stock balance | Portfolio quarter | Filing date |
|---|---|---|---|---|---|---|---|
| Wells Fargo & Company/Mn | Buy | +26 | +200.0% | 39 | $725.00 | Q1 2026 | Jul 08, 2026 |
| Two Sigma Investments, Lp | Buy | +80,710 | — | 80,710 | $1.50M | Q1 2026 | May 15, 2026 |
| American Century Companies Inc | Buy | +37,969 | +126.4% | 68,016 | $1.26M | Q1 2026 | May 15, 2026 |
| Rbf Capital, Llc | Buy | +14,087 | +18.7% | 89,534 | $1.66M | Q1 2026 | May 15, 2026 |
| State Street Corp | Buy | +9,840 | +43.7% | 32,334 | $600.12K | Q1 2026 | May 15, 2026 |
| Penderfund Capital Management Ltd. | Buy | +9,200 | +113.6% | 17,300 | $321.09K | Q1 2026 | May 15, 2026 |
| Morgan Stanley | Sell | -1,540 | -77.0% | 460 | $8.54K | Q1 2026 | May 15, 2026 |
| Geode Capital Management, Llc | Buy | +1,453 | +2.1% | 71,065 | $1.32M | Q1 2026 | May 15, 2026 |
| Osaic Holdings, Inc. | Sell | -206 | -5.2% | 3,760 | $69.77K | Q1 2026 | May 15, 2026 |
| Tower Research Capital Llc (Trc) | Sell | -198 | -25.9% | 566 | $10.51K | Q1 2026 | May 15, 2026 |
| Royal Bank Of Canada | Sell | -131 | -99.2% | 1 | $0.00 | Q1 2026 | May 15, 2026 |
| Gabelli Funds Llc | Buy | +90,514 | — | 90,514 | $1.68M | Q1 2026 | May 14, 2026 |
| Gabelli & Co Investment Advisers, Inc. | Buy | +53,950 | — | 53,950 | $1.00M | Q1 2026 | May 14, 2026 |
| Virtu Financial Llc | Buy | +7,395 | +17.6% | 49,426 | $917.00K | Q1 2026 | May 14, 2026 |
| Northern Trust Corp | Buy | +1,039 | +3.2% | 33,123 | $614.76K | Q1 2026 | May 14, 2026 |
| Blackrock, Inc. | Sell | -147 | -0.2% | 91,443 | $1.70M | Q1 2026 | May 13, 2026 |
| Citigroup Inc | Sell | -1 | -50.0% | 1 | $19.00 | Q1 2026 | May 11, 2026 |
| Vanguard Capital Management Llc | Buy | +333,269 | — | 333,269 | $6.19M | Q1 2026 | May 08, 2026 |
| Vanguard Fiduciary Trust Co | Buy | +37,861 | — | 37,861 | $702.70K | Q1 2026 | May 08, 2026 |
| Vanguard Global Advisers, Llc | Buy | +2,310 | — | 2,310 | $42.87K | Q1 2026 | May 08, 2026 |
| Dimensional Fund Advisors Lp | Sell | -57,846 | -15.5% | 315,471 | $5.86M | Q1 2026 | May 07, 2026 |
| Ubs Group Ag | Buy | +12,165 | +1348.7% | 13,067 | $242.52K | Q1 2026 | May 05, 2026 |
| Bank Of New York Mellon Corp | Sell | -4,284 | -19.0% | 18,224 | $338.23K | Q1 2026 | May 05, 2026 |
| Peapod Lane Capital Llc | Buy | +8,793 | +8.4% | 113,662 | $2.11M | Q1 2026 | May 04, 2026 |
| Money Concepts Capital Corp | Sell | -13,190 | -2.6% | 497,482 | $9.23M | Q1 2026 | Apr 30, 2026 |
| Credit Industriel Et Commercial | Buy | +79,200 | — | 79,200 | $1.47M | Q1 2026 | Apr 29, 2026 |
| Fny Investment Advisers, Llc | Buy | +252,806 | — | 252,806 | $4.69M | Q1 2026 | Apr 15, 2026 |
| Exchange Traded Concepts, Llc | Buy | +12,575 | — | 12,575 | $233.39K | Q1 2026 | Apr 15, 2026 |
| Newedge Advisors, Llc | Sell | -25 | -100.0% | 0 | $0.00 | Q1 2026 | Feb 18, 2026 |
| Bridgeway Capital Management, Llc | Sell | -48,185 | -100.0% | 0 | $0.00 | Q1 2026 | Feb 17, 2026 |
Frequently asked questions about FONR activity
Which institutional owners are buying FONR?
Institutional owners buying FONR include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in FONR activity?
"Buy" means an investor increased their reported position in FONR compared to the prior reporting period. This reflects growing exposure to FONAR CORP (FONR) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in FONR increasing?
Institutional interest in FONR can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.
Related FONR Institutional Insights
- FONR Overview
- FONR 13F Institutional Holders
- FONR Top Institutional Shareholders
- Healthcare Sector Institutional Ownership
- Healthcare Sector Portfolio Overlap
- Institutional Portfolio Overlap & Shared Holdings
- Most Bought Healthcare Stocks By Institutional Investors
- Most Sold Healthcare Stocks By Institutional Investors
- FONR Insider Trading & SEC Form 4 Activity
- FONR Articles
- Top Institutional Investor Stock Rankings