Fonar Corp
FONRDelisted Jun 3, 2026- Industry
- Electromedical & Electrotherapeutic Apparatus
- SEC CIK
- 0000355019
Fonar Corp was delisted on Jun 3, 2026; its insiders filed their last Form 4 on Jun 9, 2026; 43 institutions reported holding it in 13F filings for Q1 2026, worth $46.8M in total; no superinvestor held it.
Holders of 5% or more of FONR
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Fonar Corp, largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| shane hilary | 13G/A | 11.60%720.1K shares | +4.94 ppfrom 6.66% | Jan 9, 20262 filings | May 11, 2026 | SEC |
| Money Concepts Capital Corp | 13G/A | 7.50%462.8K shares | – | Nov 14, 20242 filings | Aug 18, 2025 | SEC |
| AB Value Partners, LP | 13G | 7.10%439.3K shares | New | Jun 10, 20261 filing | Jun 10, 2026 | SEC |
| Vanguard Capital Management LLC | 13G | 6.04%373.4K shares | New | Apr 29, 20261 filing | Apr 29, 2026 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
38 Schedule 13D and 13G filings on Fonar Corp, newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Jul 14, 20261:27 PM ET | Dimensional Fund Advisors LP | 13G/A | 0.00%0 shares | −5.10 ppfrom 5.10%Below 5% | Jun 30, 2026 | SEC |
| Jun 10, 20261:09 PM ET | AB Value Partners, LPand 2 others | 13G | 7.10%439.3K shares | New | Jun 1, 2026 | SEC |
| Jun 3, 20265:13 PM ET | Damadian Timothy Raymondand 56 others | 13D/A | 0.00%0 shares | −1.95 ppfrom 1.95%Below 5% | Jun 3, 2026 | SEC |
| May 14, 20264:45 PM ET | Renaissance Technologies LLCand 1 other | 13G/A | 0.02%1.12K shares | −5.07 ppfrom 5.09%Below 5% | Mar 31, 2026 | SEC |
| May 11, 20269:25 AM ET | shane hilaryand 4 others | 13G/A | 11.60%720.1K shares | +4.94 ppfrom 6.66% | May 7, 2026 | SEC |
| Apr 29, 20266:53 PM ET | Vanguard Capital Management LLC | 13G | 6.04%373.4K shares | New | Mar 31, 2026 | SEC |
| Apr 9, 20261:42 PM ET | Dimensional Fund Advisors LP | 13G/A | 5.10%315.5K shares | – | Mar 31, 2026 | SEC |
| Mar 26, 20266:39 PM ET | Vanguard Group Inc | 13G/A | 0.00%0 shares | –Below 5% | Mar 13, 2026 | SEC |
| Feb 13, 20264:05 PM ET | Kayne Anderson Rudnick Investment Management LLC | 13G/A | 4.10%251.3K shares | −4.70 ppfrom 8.80%Below 5% | Dec 31, 2025 | SEC |
| Feb 12, 20262:13 PM ET | Renaissance Technologies LLCand 1 other | 13G | 5.09%315.7K shares | +0.12 ppfrom 4.97% | Dec 4, 2025 | SEC |
| Jan 9, 20264:11 PM ET | shane hilaryand 1 other | 13G | 6.66%413.2K shares | New | Jan 5, 2026 | SEC |
| Jan 2, 202611:14 AM ET | Damadian Timothy Raymondand 56 others | 13D/A | 1.95%122.0K shares | +0.05 ppfrom 1.90%Below 5% | Dec 23, 2025 | SEC |
| Nov 13, 20252:28 PM ET | Renaissance Technologies LLCand 1 other | 13G/A | 4.97%308.6K shares | −0.12 ppfrom 5.09%Below 5% | Sep 30, 2025 | SEC |
| Aug 18, 20255:46 PM ET | Money Concepts Capital Corp | 13G/A | 7.50%462.8K shares | – | Jun 30, 2025 | SEC |
| Aug 13, 20254:08 PM ET | Renaissance Technologies LLCand 1 other | 13G | 5.09%315.5K shares | +0.19 ppfrom 4.90% | May 19, 2025 | SEC |
| Aug 13, 20254:05 PM ET | Kayne Anderson Rudnick Investment Management LLC | 13G/A | 8.80%544.0K shares | – | Jun 30, 2025 | SEC |
| Jul 17, 20257:40 PM ET | Damadian Timothy Raymondand 9 others | 13D/A | 1.90%121.6K shares | 0.00 ppfrom 1.90%Below 5% | Jul 17, 2025 | SEC |
| Jul 11, 20254:20 PM ET | Damadian Timothy Raymondand 9 others | 13D | 1.90%121.6K shares | NewBelow 5% | Jul 7, 2025 | SEC |
| May 14, 20253:27 PM ET | Renaissance Technologies LLCand 1 other | 13G/A | 4.90%304.4K shares | −0.37 ppfrom 5.27%Below 5% | Mar 31, 2025 | SEC |
| Nov 14, 2024 | Money Concepts Capital Corp | 13GOld format | – | New | – | SEC |
| Nov 13, 20242:40 PM ET | Renaissance Technologies LLCand 1 other | 13G | 5.27%333.5K shares | – | Apr 15, 2024 | SEC |
| Feb 13, 2024 | Kayne Anderson Rudnick Investment Management LLC | 13G/AOld format | – | – | – | SEC |
| Feb 13, 2024 | Vanguard Group Inc | 13GOld format | – | – | – | SEC |
| Feb 13, 2024 | Renaissance Technologies LLC | 13G/AOld format | – | – | – | SEC |
| Feb 9, 2024 | Dimensional Fund Advisors LP | 13G/AOld format | – | – | – | SEC |
| Feb 14, 2023 | Kayne Anderson Rudnick Investment Management LLC | 13G/AOld format | – | – | – | SEC |
| Feb 13, 2023 | Renaissance Technologies LLC | 13G/AOld format | – | – | – | SEC |
| Feb 10, 2023 | Dimensional Fund Advisors LP | 13G/AOld format | – | – | – | SEC |
| Feb 14, 2022 | Kayne Anderson Rudnick Investment Management LLC | 13G/AOld format | – | – | – | SEC |
| Feb 11, 2022 | Renaissance Technologies LLC | 13G/AOld format | – | – | – | SEC |
| Feb 10, 2022 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Feb 8, 2022 | Dimensional Fund Advisors LP | 13G/AOld format | – | – | – | SEC |
| Jul 12, 20218:29 AM ET | BlackRock Inc. | 13G/AOld format | – | – | – | SEC |
| Feb 16, 2021 | Kayne Anderson Rudnick Investment Management LLC | 13G/AOld format | – | – | – | SEC |
| Feb 12, 2021 | Dimensional Fund Advisors LP | 13G/AOld format | – | – | – | SEC |
| Feb 11, 2021 | Renaissance Technologies LLC | 13G/AOld format | – | – | – | SEC |
| Feb 10, 2021 | Vanguard Group Inc | 13GOld format | – | New | – | SEC |
| Feb 2, 20213:13 PM ET | BlackRock Inc. | 13GOld format | – | New | – | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Fonar Corp shares.
No Form 144 notices for Fonar Corp are on file.