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Iridium Communications
IRDM

Overview Fund Activity

325 hedge funds and large institutions have $3.06B invested in Iridium Communications in 2025 Q2 according to their latest regulatory filings, with 47 funds opening new positions, 107 increasing their positions, 143 reducing their positions, and 68 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
325
Holders Change
-24
Holders Change %
-6.88%
% of All Funds
4.36%
Holding in Top 10
3
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+50%
% of All Funds
0.04%
New
47
Increased
107
Reduced
143
Closed
68
Calls
$18.4M
Puts
$28.7M
Net Calls
-$10.3M
Net Calls Change
-$13.3M

Top Buyers

1
Citadel Advisors
1
Citadel Advisors
Florida
$36.6M
2
SAM
2
Synergy Asset Management
Washington
$20M
3
SHCM
3
Silver Heights Capital Management
Ontario, Canada
$128M
4
American Century Companies
4
American Century Companies
Missouri
$79.7M
5
AIM
5
ARK Investment Management
Florida
$161M

Top Sellers

1
BlackRock
1
BlackRock
New York
$320M
2
BAMCO Inc
2
BAMCO Inc
New York
$253M
3
Millennium Management
3
Millennium Management
New York
$25.1M
4
CSS
4
Cubist Systematic Strategies
Connecticut
$0
5
Qube Research & Technologies (QRT)
5
Qube Research & Technologies (QRT)
United Kingdom
$306K
Name Holding Trade Value Shares
Change 		Shares
Change %
Russell Investments Group
126
Russell Investments Group
United Kingdom
$1.11M +$177K +5,867 +19%
GJWM
127
Gilliland Jeter Wealth Management
Arkansas
$1.1M +$67.9K +2,250 +7%
GCM
128
Graham Capital Management
Connecticut
$1.09M +$111K +3,695 +11%
YCM
129
Yousif Capital Management
Michigan
$1.09M -$32.7K -1,084 -3%
D.E. Shaw & Co
130
D.E. Shaw & Co
New York
$1.09M -$5.52M -182,850 -84%
PFSRSONJ
131
Police & Firemen's Retirement System of New Jersey
New Jersey
$1.09M -$149K -4,953 -12%
EGM
132
Engineers Gate Manager
New York
$1.07M -$4.01M -133,054 -79%
EF
133
Empowered Funds
Pennsylvania
$1.02M +$1.02M +33,914 New
Zurich Cantonal Bank
134
Zurich Cantonal Bank
Switzerland
$1.01M +$158K +5,239 +19%
KK
135
KLP Kapitalforvaltning
Norway
$941K +$308K +10,200 +49%
Ohio Public Employees Retirement System (OPERS)
136
Ohio Public Employees Retirement System (OPERS)
Ohio
$941K -$152K -5,037 -14%
FRM
137
Fox Run Management
Connecticut
$933K +$627K +20,789 +205%
BHCM
138
Brevan Howard Capital Management
Jersey
$932K +$932K +30,891 New
HW
139
Hancock Whitney
Mississippi
$926K +$290K +9,617 +46%
CIG
140
Cullen Investment Group
Louisiana
$923K -$22.4K -742 -2%
SSA
141
Schonfeld Strategic Advisors
New York
$922K -$1.2M -39,694 -56%
LSERS
142
Louisiana State Employees Retirement System
Louisiana
$917K -$3.02K -100 -0.3%
Comerica Bank
143
Comerica Bank
Texas
$902K -$47.3K -1,569 -5%
Janney Montgomery Scott
144
Janney Montgomery Scott
Pennsylvania
$876K +$72.8K +2,414 +9%
ASRS
145
Arizona State Retirement System
Arizona
$861K -$25.2K -835 -3%
Marshall Wace
146
Marshall Wace
United Kingdom
$834K -$5.06M -167,603 -86%
EMPI
147
Elo Mutual Pension Insurance
Finland
$828K -$509K -16,858 -38%
Creative Planning
148
Creative Planning
Kansas
$824K -$242K -8,028 -23%
SOMRS
149
State of Michigan Retirement System
Michigan
$783K -$3.02K -100 -0.4%
VI
150
Versor Investments
New York
$778K -$544K -18,024 -41%
4 5
6
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