Skip to main content

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.

13F holders, Q4 2023

Institutional positions in Fonar Corp as of Dec 31, 2023. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
51
+7 vs. Q3 2023
Shares held
3.20M
+223.3K (+7.5%) vs. Q3 2023
Total value
$59.1M
+$13.2M (+28.9%) vs. Q3 2023
New holders
8
19 more added
Sold out
1
12 more reduced

Compare with Q3 2023: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting FONR on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ4 2023: 51 institutions
Q1 2021: 62 institutionsQ2 2021: 59 institutionsQ3 2021: 50 institutionsQ4 2021: 52 institutionsQ1 2022: 48 institutionsQ2 2022: 47 institutionsQ3 2022: 43 institutionsQ4 2022: 49 institutionsQ1 2023: 40 institutionsQ2 2023: 42 institutionsQ3 2023: 44 institutionsQ4 2023: 51 institutionsQ1 2024: 56 institutionsQ2 2024: 52 institutionsQ3 2024: 50 institutionsQ4 2024: 52 institutionsQ1 2025: 46 institutionsQ2 2025: 48 institutionsQ3 2025: 42 institutionsQ4 2025: 46 institutionsQ1 2026: 43 institutionsQ2 2026: 1 institution
Value heldQ4 2023: $59.1M
Q1 2021: $71.2MQ2 2021: $59.9MQ3 2021: $50.8MQ4 2021: $44.8MQ1 2022: $58.6MQ2 2022: $45.7MQ3 2022: $41.6MQ4 2022: $51.3MQ1 2023: $48.9MQ2 2023: $51.5MQ3 2023: $45.9MQ4 2023: $59.1MQ1 2024: $66.8MQ2 2024: $49.3MQ3 2024: $50.3MQ4 2024: $47.1MQ1 2025: $42.5MQ2 2025: $43.7MQ3 2025: $43.8MQ4 2025: $48.0MQ1 2026: $46.8MQ2 2026: $0
Institutions holding FONR and their total value by quarter
QuarterHoldersValue
Q2 20261$0
Q1 202643$46.8M
Q4 202546$48.0M
Q3 202542$43.8M
Q2 202548$43.7M
Q1 202546$42.5M
Q4 202452$47.1M
Q3 202450$50.3M
Q2 202452$49.3M
Q1 202456$66.8M
Q4 202351$59.1M
Q3 202344$45.9M
Q2 202342$51.5M
Q1 202340$48.9M
Q4 202249$51.3M
Q3 202243$41.6M
Q2 202247$45.7M
Q1 202248$58.6M
Q4 202152$44.8M
Q3 202150$50.8M
Q2 202159$59.9M
Q1 202162$71.2M

Institutions, Q4 2023

Shares, value and share of portfolio for each institution holding Fonar Corp; share changes are against Q3 2023.

Institutions holding FONR in Q4 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Kayne Anderson Rudnick Investment Management LLC632,569$12.4M0.03%+7,208+1.2%Added
Dimensional Fund Advisors LP394,759$7.72M0.00%−1,161−0.3%Reduced
Vanguard Group Inc390,345$7.64M0.00%+16,486+4.4%Added
Money Concepts Capital Corp337,989$6.61M0.61%+26,167+8.4%Added
Renaissance Technologies LLC303,137$5.93M0.01%−4,779−1.6%Reduced
LSV Asset Management117,095$2.29M0.00%−29,253−20.0%Reduced
BlackRock Inc.99,538$1.95M0.00%−281−0.3%Reduced
Bridgeway Capital Management, LLC75,785$1.48M0.03%+960+1.3%Added
Brandywine Global Investment Management, LLC74,184$1.45M0.01%−13,422−15.3%Reduced
RBF Capital, LLC73,058$1.43M0.09%00.0%Unchanged
Geode Capital Management, LLC64,407$1.26M0.00%+8,717+15.7%Added
Hillsdale Investment Management Inc.61,400$1.20M0.10%+61,400New
Acuitas Investments, LLC218,646$760.8K0.40%+218,646New
Northern Trust Corp36,782$719.5K0.00%+238+0.7%Added
American Century Companies Inc30,047$587.7K0.00%−88−0.3%Reduced
Polar Asset Management Partners Inc.29,700$580.9K0.02%−15,507−34.3%Reduced
Bank of New York Mellon Corp26,060$509.7K0.00%00.0%Unchanged
O'Shaughnessy Asset Management, LLC23,741$464.4K0.01%+13,687+136.1%Added
State Street Corp21,640$423.3K0.00%+1,400+6.9%Added
Millennium Management LLC21,351$417.6K0.00%−15,938−42.7%Reduced
Globeflex Capital L P18,613$364.1K0.04%00.0%Unchanged
Royal Bank of Canada14,900$291.0K0.00%00.0%Unchanged
Citigroup Inc14,604$285.7K0.00%+14,603+1,460,300.0%Added
Hikari Tsushin, Inc.14,158$276.9K0.03%00.0%Unchanged
Denali Advisors LLC13,400$262.1K0.08%+200+1.5%Added
Jane Street Group, LLC12,752$249.4K0.00%+12,752New
Carmel Capital Partners, LLC12,088$236.4K0.12%+10,623+725.1%Added
Empowered Funds, LLC11,985$234.4K0.01%+960+8.7%Added
Two Sigma Advisers, LP10,800$211.2K0.00%−100−0.9%Reduced
Marquette Asset Management, LLC8,587$168.0K0.03%+8,587New
Qube Research & Technologies Ltd8,287$162.1K0.00%+8,285+414,250.0%Added
Bank of America Corp8,064$157.7K0.00%+8,064New
Barclays PLC6,328$123.8K0.00%+6,328New
Victory Capital Management Inc5,086$99.5K0.00%+35+0.7%Added
Morgan Stanley2,106$41.2K0.00%−90−4.1%Reduced
Advisor Group Holdings, Inc.1,636$32.0K0.00%−1,620−49.8%Reduced
AJOVista, LLC1,216$23.8K0.03%+1,216New
UBS Group AG1,047$20.5K0.00%+986+1,616.4%Added
The PNC Financial Services Group, Inc.969$19.0K0.00%00.0%Unchanged
JPMorgan Chase & Co632$12.4K0.00%+64+11.3%Added
FMR LLC462$9.04K0.00%+103+28.7%Added
Federation des caisses Desjardins du Quebec350$6.85K0.00%00.0%Unchanged
CWM, LLC300$6.00K0.00%00.0%Unchanged
Rhumbline Advisers298$5.83K0.00%00.0%Unchanged
Tower Research Capital LLC (TRC)121$2.37K0.00%−741−86.0%Reduced
Lazard Asset Management LLC130$2.00K0.00%+130New
BNP Paribas Arbitrage, SA96$1.88K0.00%00.0%Unchanged
Wells Fargo & Company56$1.10K0.00%+2+3.7%Added
GWM Advisors LLC36$7040.00%+6+20.0%Added
Tyler-Stone Wealth Management18$3520.00%00.0%Unchanged
Huntington National Bank1$00.00%00.0%Unchanged
Invenomic Capital Management LP0$00.00%−121,547−100.0%Sold out