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FONR

Fonar
FONR

Delisted

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

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46 hedge funds and large institutions have $42.5M invested in Fonar in 2025 Q1 according to their latest regulatory filings, with 0 funds opening new positions, 13 increasing their positions, 11 reducing their positions, and 6 closing their positions.

New
Increased
Maintained
Reduced
Closed

18% more repeat investments, than reductions

Existing positions increased: 13 | Existing positions reduced: 11

0.67% less ownership

Funds ownership: 49.66% → 48.98% (-0.67%)

10% less capital invested

Capital invested by funds: $47.1M → $42.5M (-$4.59M)

12% less funds holding

Funds holding: 52 → 46 (-6)

100% less first-time investments, than exits

New positions opened: 0 | Existing positions closed: 6

Holders
46
Holders Change
-6
Holders Change %
-11.54%
% of All Funds
0.62%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
–
Increased
13
Reduced
11
Closed
6
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
OSAM
O'Shaughnessy Asset Management
Connecticut
+$124K
2
LTAS
Linden Thomas Advisory Services
North Carolina
+$71.9K
3
MCC
Money Concepts Capital
Florida
+$70.4K
4
UBS Group
UBS Group
Switzerland
+$58.7K
5
Geode Capital Management
Geode Capital Management
Massachusetts
+$24.1K

Top Sellers

Rank Fund Capital Flow
1
Arrowstreet Capital
Arrowstreet Capital
Massachusetts
-$317K
2
MAM
Marquette Asset Management
Minnesota
-$312K
3
Qube Research & Technologies (QRT)
Qube Research & Technologies (QRT)
United Kingdom
-$297K
4
IA
Inspire Advisors
Idaho
-$206K
5
Renaissance Technologies
Renaissance Technologies
New York
-$139K
Name Holding Trade Value Shares
Change 		Change in
Stake
Kayne Anderson Rudnick Investment Management
1
Kayne Anderson Rudnick Investment Management
California
$8.59M +$20.4K +1,369 +0.2%
MCC
2
Money Concepts Capital
Florida
$5.69M +$70.4K +4,719 +1%
Vanguard Group
3
Vanguard Group
Pennsylvania
$5.47M – – –
Dimensional Fund Advisors
4
Dimensional Fund Advisors
Texas
$5.21M -$73.4K -4,917 -1%
Renaissance Technologies
5
Renaissance Technologies
New York
$4.26M -$139K -9,300 -3%
PLC
6
Peapod Lane Capital
New York
$2M +$7.47K +501 +0.4%
BlackRock
7
BlackRock
New York
$1.28M -$8.58K -575 -0.6%
THC
8
Truffle Hound Capital
Maryland
$1.26M – – –
BCM
9
Bridgeway Capital Management
Texas
$1.14M +$22.4K +1,504 +2%
RC
10
RBF Capital
California
$1.02M – – –
LSV Asset Management
11
LSV Asset Management
Illinois
$1.02M -$28.3K -1,900 -3%
Geode Capital Management
12
Geode Capital Management
Massachusetts
$947K +$24.1K +1,613 +2%
Northern Trust
13
Northern Trust
Illinois
$502K -$4.01K -269 -0.7%
LTAS
14
Linden Thomas Advisory Services
North Carolina
$477K +$71.9K +4,818 +16%
CCM
15
Corsair Capital Management
New York
$462K – – –
Susquehanna International Group
16
Susquehanna International Group
Pennsylvania
$447K +$6.03K +404 +1%
American Century Companies
17
American Century Companies
Missouri
$421K – – –
State Street
18
State Street
Massachusetts
$329K – – –
OSAM
19
O'Shaughnessy Asset Management
Connecticut
$316K +$124K +8,341 +59%
Bank of New York Mellon
20
Bank of New York Mellon
New York
$315K – – –
EF
21
Empowered Funds
Pennsylvania
$296K +$22.4K +1,504 +8%
Royal Bank of Canada
22
Royal Bank of Canada
Ontario, Canada
$248K +$30 +2 +0%
UBS Group
23
UBS Group
Switzerland
$239K +$58.7K +3,936 +30%
HTI
24
Hikari Tsushin Inc
Japan
$198K – – –
LAM
25
Lakewood Asset Management
Illinois
$155K – – –
1
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FONR Hedge Fund Activity: Q1 2025 in Review

46 of the 7,458 institutional investors tracked by Wall St. Rank reported a position in Fonar (FONR) for Q1 2025, worth a combined $42.5M — down 9.7% from $47.1M a quarter earlier.

Sellers outnumbered buyers: 6 funds closed out of FONR and 0 opened new positions — a net loss of 6 holders — while 11 trimmed existing stakes and 13 added.

The largest buyer was O'Shaughnessy Asset Management, adding an estimated $124K. The largest seller was Arrowstreet Capital, exiting entirely with an estimated $317K sold.

  • 46 institutional investors held Fonar (FONR) as of Q1 2025, down from 52 in Q4 2024.
  • Funds reported $42.5M of Fonar stock for Q1 2025, down 9.7% quarter-over-quarter.
  • 0 funds opened new Fonar positions in Q1 2025 and 6 closed out, a net change of -6 holders.
  • The largest Fonar buyer in Q1 2025 was O'Shaughnessy Asset Management, an estimated $124K added.
  • The largest Fonar seller in Q1 2025 was Arrowstreet Capital, an estimated $317K sold.

Based on aggregated 13F filings for Q1 2025.