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IDT Corp
IDT

172 hedge funds and large institutions have $630M invested in IDT Corp in 2025 Q1 according to their latest regulatory filings, with 24 funds opening new positions, 74 increasing their positions, 49 reducing their positions, and 14 closing their positions.

New
Increased
Maintained
Reduced
Closed

1,173% more call options, than puts

Call options by funds: $6M | Put options by funds: $471K

100% more funds holding in top 10

Funds holding in top 10: 1 → 2 (+1)

71% more first-time investments, than exits

New positions opened: 24 | Existing positions closed: 14

51% more repeat investments, than reductions

Existing positions increased: 74 | Existing positions reduced: 49

17% more capital invested

Capital invested by funds: $541M → $630M (+$89.2M)

6% more funds holding

Funds holding: 163 → 172 (+9)

3.79% more ownership

Funds ownership: 48.14% → 51.93% (+3.8%)

Holders
172
Holders Change
+9
Holders Change %
+5.52%
% of All Funds
2.31%
Holding in Top 10
2
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+100%
% of All Funds
0.03%
New
24
Increased
74
Reduced
49
Closed
14
Calls
$6M
Puts
$471K
Net Calls
+$5.52M
Net Calls Change
+$700K

Top Buyers

Rank Fund Capital Flow
1
Millennium Management
Millennium Management
New York
+$6.33M
2
KBG
Kahn Brothers Group
New York
+$6.14M
3
N
Nuveen
North Carolina
+$4.6M
4
OCM
Orchard Capital Management
Illinois
+$2.88M
5
Allspring Global Investments
Allspring Global Investments
North Carolina
+$2.85M

Top Sellers

Rank Fund Capital Flow
1
RA
Royce & Associates
New York
-$3.4M
2
Dimensional Fund Advisors
Dimensional Fund Advisors
Texas
-$2.98M
3
JP Morgan Chase
JP Morgan Chase
New York
-$1.7M
4
AP
Americana Partners
Texas
-$1.39M
5
Teacher Retirement System of Texas
Teacher Retirement System of Texas
Texas
-$1.26M
Name Holding Trade Value Shares
Change 		Change in
Stake
CSS
51
Cubist Systematic Strategies
Connecticut
$1.47M -$164K -3,378 -11%
BNP Paribas Financial Markets
52
BNP Paribas Financial Markets
France
$1.38M +$809K +16,700 +163%
RhumbLine Advisers
53
RhumbLine Advisers
Massachusetts
$1.35M +$15.5K +320 +1%
Jacobs Levy Equity Management
54
Jacobs Levy Equity Management
New Jersey
$1.32M – – –
OAM
55
OP Asset Management
$1.27M +$1.2M +24,837 New
HF
56
HRT Financial
New York
$1.22M +$19.4K +400 +2%
Wells Fargo
57
Wells Fargo
California
$1.14M +$433K +8,933 +67%
Teacher Retirement System of Texas
58
Teacher Retirement System of Texas
Texas
$1.09M -$1.26M -26,030 -55%
RWM
59
Ritholtz Wealth Management
New York
$1.09M +$285K +5,874 +38%
SFI
60
Susquehanna Fundamental Investments
Pennsylvania
$1.09M +$151K +3,113 +17%
TI
61
Trexquant Investment
Connecticut
$1.08M +$1.02M +21,131 New
Assenagon Asset Management
62
Assenagon Asset Management
Luxembourg
$1.06M +$1M +20,716 New
MAM
63
Martingale Asset Management
Massachusetts
$1.06M +$10.2K +210 +1%
Mackenzie Financial
64
Mackenzie Financial
Ontario, Canada
$1.05M +$306K +6,306 +44%
MF
65
Magnetar Financial
Illinois
$1.05M +$382K +7,886 +62%
AllianceBernstein
66
AllianceBernstein
Tennessee
$1.04M – – –
HSBC Holdings
67
HSBC Holdings
United Kingdom
$1.03M +$71.4K +1,473 +8%
Victory Capital Management
68
Victory Capital Management
Texas
$920K -$903K -18,628 -51%
State of Wisconsin Investment Board
69
State of Wisconsin Investment Board
Wisconsin
$823K +$6.69K +138 +0.9%
Citigroup
70
Citigroup
New York
$797K -$46.8K -965 -6%
California State Teachers Retirement System (CalSTRS)
71
California State Teachers Retirement System (CalSTRS)
California
$794K – – –
Los Angeles Capital Management
72
Los Angeles Capital Management
California
$790K -$107K -2,200 -13%
EGM
73
Engineers Gate Manager
New York
$754K +$91.8K +1,894 +15%
SCM
74
Semanteon Capital Management
Massachusetts
$727K +$686K +14,160 New
JF
75
Jump Financial
Illinois
$670K +$332K +6,851 +111%
1 2
3
4 5

IDT Hedge Fund Activity: Q1 2025 in Review

172 of the 7,459 institutional investors tracked by Wall St. Rank reported a position in IDT Corp (IDT) for Q1 2025, worth a combined $630M — up 17% from $541M a quarter earlier.

Buyers outnumbered sellers: 24 funds opened new IDT positions and 14 closed out — a net gain of 10 holders — while 74 added to existing stakes and 49 trimmed.

The largest buyer was Millennium Management, adding an estimated $6.33M. The largest seller was Royce & Associates, cutting an estimated $3.4M.

  • 172 institutional investors held IDT Corp (IDT) as of Q1 2025, up from 163 in Q4 2024.
  • Funds reported $630M of IDT Corp stock for Q1 2025, up 17% quarter-over-quarter.
  • 24 funds opened new IDT Corp positions in Q1 2025 and 14 closed out, a net change of +10 holders.
  • The largest IDT Corp buyer in Q1 2025 was Millennium Management, an estimated $6.33M added.
  • The largest IDT Corp seller in Q1 2025 was Royce & Associates, an estimated $3.4M sold.

Based on aggregated 13F filings for Q1 2025.