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FONR

Fonar

Delisted

FONR was delisted on the 2nd of June, 2026.

51 hedge funds and large institutions have $59.1M invested in Fonar in 2023 Q4 according to their latest regulatory filings, with 8 funds opening new positions, 20 increasing their positions, 11 reducing their positions, and 1 closing their positions.

New
Increased
Maintained
Reduced
Closed

700% more first-time investments, than exits

New positions opened: 8 | Existing positions closed: 1

82% more repeat investments, than reductions

Existing positions increased: 20 | Existing positions reduced: 11

29% more capital invested

Capital invested by funds: $45.9M → $59.1M (+$13.3M)

16% more funds holding

Funds holding: 4451 (+7)

4.13% more ownership

Funds ownership: 45.54%49.67% (+4.1%)

Holders
51
Holders Change
+7
Holders Change %
+15.91%
% of All Funds
0.74%
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
8
Increased
20
Reduced
11
Closed
1
Calls
Puts
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
Kayne Anderson Rudnick Investment Management
1
Kayne Anderson Rudnick Investment Management
California
$12.4M +$120K +7,208 +1%
Dimensional Fund Advisors
2
Dimensional Fund Advisors
Texas
$7.72M -$19.3K -1,161 -0.3%
Vanguard Group
3
Vanguard Group
Pennsylvania
$7.64M +$275K +16,486 +4%
MCC
4
Money Concepts Capital
Florida
$6.61M +$436K +26,167 +8%
Renaissance Technologies
5
Renaissance Technologies
New York
$5.93M -$79.6K -4,779 -2%
LSV Asset Management
6
LSV Asset Management
Illinois
$2.29M -$487K -29,253 -20%
BlackRock
7
BlackRock
New York
$1.95M -$4.68K -281 -0.3%
BCM
8
Bridgeway Capital Management
Texas
$1.48M +$16K +960 +1%
BGIM
9
Brandywine Global Investment Management
Pennsylvania
$1.45M -$224K -13,422 -15%
RC
10
RBF Capital
California
$1.43M
Geode Capital Management
11
Geode Capital Management
Massachusetts
$1.26M +$145K +8,717 +16%
HIM
12
Hillsdale Investment Management
Ontario, Canada
$1.2M +$1.02M +61,400 New
AI
13
Acuitas Investments
Washington
$761K +$3.64M +218,646 New
Northern Trust
14
Northern Trust
Illinois
$719K +$3.96K +238 +0.7%
American Century Companies
15
American Century Companies
Missouri
$588K -$1.47K -88 -0.3%
PAMP
16
Polar Asset Management Partners
Ontario, Canada
$581K -$258K -15,507 -34%
Bank of New York Mellon
17
Bank of New York Mellon
New York
$510K
OSAM
18
O'Shaughnessy Asset Management
Connecticut
$464K +$228K +13,687 +136%
State Street
19
State Street
Massachusetts
$423K +$23.3K +1,400 +7%
Millennium Management
20
Millennium Management
New York
$418K -$266K -15,938 -43%
GC
21
Globeflex Capital
California
$364K
Royal Bank of Canada
22
Royal Bank of Canada
Ontario, Canada
$291K
Citigroup
23
Citigroup
New York
$286K +$243K +14,603 +1,460,300%
HTI
24
Hikari Tsushin Inc
Japan
$277K
DA
25
Denali Advisors
California
$262K +$3.33K +200 +2%

FONR Hedge Fund Activity: Q4 2023 in Review

51 of the 6,859 institutional investors tracked by Wall St. Rank reported a position in Fonar (FONR) for Q4 2023, worth a combined $59.1M — up 29% from $45.9M a quarter earlier.

Buyers outnumbered sellers: 8 funds opened new FONR positions and 1 closed out — a net gain of 7 holders — while 20 added to existing stakes and 11 trimmed.

The largest buyer was Acuitas Investments, opening a new position worth an estimated $3.64M. The largest seller was Invenomic Capital Management, exiting entirely with an estimated $1.87M sold.

  • 51 institutional investors held Fonar (FONR) as of Q4 2023, up from 44 in Q3 2023.
  • Funds reported $59.1M of Fonar stock for Q4 2023, up 29% quarter-over-quarter.
  • 8 funds opened new Fonar positions in Q4 2023 and 1 closed out, a net change of +7 holders.
  • The largest Fonar buyer in Q4 2023 was Acuitas Investments, an estimated $3.64M added.
  • The largest Fonar seller in Q4 2023 was Invenomic Capital Management, an estimated $1.87M sold.

Based on aggregated 13F filings for Q4 2023.