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Iridium Communications
IRDM

Overview Fund Activity

323 hedge funds and large institutions have $3B invested in Iridium Communications in 2025 Q2 according to their latest regulatory filings, with 47 funds opening new positions, 106 increasing their positions, 142 reducing their positions, and 67 closing their positions.

Holders
323
Holders Change
-26
Holders Change %
-7.45%
% of All Funds
4.34%
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
106
Reduced
142
Closed
67
Calls
$14.2M
Puts
$25.9M
Net Calls
-$11.7M
Net Calls Change
-$14.7M

Top Buyers

1
Citadel Advisors
1
Citadel Advisors
Florida
$36.6M
2
SAM
2
Synergy Asset Management
Washington
$20M
3
Norges Bank
3
Norges Bank
Norway
$16.3M
4
SHCM
4
Silver Heights Capital Management
Ontario, Canada
$128M
5
American Century Companies
5
American Century Companies
Missouri
$79.7M

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 Market Value Shares Shares
Change 		Shares
Change %
GIS
76
Graphene Investments SAS
France
$3.48M 115,300 +115,300 New
New York State Teachers Retirement System (NYSTRS)
77
New York State Teachers Retirement System (NYSTRS)
New York
$3.45M 114,354 -700 -0.6%
Thrivent Financial for Lutherans
78
Thrivent Financial for Lutherans
Minnesota
$3.44M 113,884 -52 -0%
PAG
79
Private Advisor Group
New Jersey
$3.32M 109,974 -9,902 -8%
Capital Fund Management (CFM)
80
Capital Fund Management (CFM)
France
$2.95M 97,841 -26,447 -21%
California State Teachers Retirement System (CalSTRS)
81
California State Teachers Retirement System (CalSTRS)
California
$2.95M 97,834 -904 -0.9%
PA
82
Paralel Advisors
Colorado
$2.95M 97,791 +1,814 +2%
Los Angeles Capital Management
83
Los Angeles Capital Management
California
$2.87M 95,185 -90,473 -49%
AI
84
ArchPoint Investors
Florida
$2.82M 93,609 +93,609 New
Verition Fund Management
85
Verition Fund Management
Connecticut
$2.77M 91,772 -46,095 -33%
State Board of Administration of Florida Retirement System
86
State Board of Administration of Florida Retirement System
Florida
$2.62M 86,976 -770 -0.9%
HSBC Holdings
87
HSBC Holdings
United Kingdom
$2.53M 83,601 -46,804 -36%
Canada Life
88
Canada Life
Manitoba, Canada
$2.43M 80,430 -2,533 -3%
Manulife (Manufacturers Life Insurance)
89
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$2.38M 78,808 -4,670 -6%
State of New Jersey Common Pension Fund D
90
State of New Jersey Common Pension Fund D
New Jersey
$2.23M 73,774 +12,224 +20%
SC
91
Skylands Capital
Wisconsin
$2.21M 73,400 -300 -0.4%
Citigroup
92
Citigroup
New York
$2.21M 73,341 +35,565 +94%
Macquarie Group
93
Macquarie Group
Australia
$2.13M 70,757 -18,152 -20%
IIM
94
INTECH Investment Management
Florida
$2.02M 66,921 +473 +0.7%
DFCM
95
Dark Forest Capital Management
Puerto Rico
$1.94M 64,274 -26 -0%
Holocene Advisors
96
Holocene Advisors
New York
$1.82M 60,279 -9,279 -13%
LPL Financial
97
LPL Financial
California
$1.77M 58,665 +10,946 +23%
NIG
98
NFJ Investment Group
Texas
$1.77M 58,592 -365 -0.6%
MIM
99
MetLife Investment Management
New Jersey
$1.76M 58,360 -2,585 -4%
VRS
100
Virginia Retirement Systems
Virginia
$1.69M 56,100 +100 +0.2%
2 3
4
5 6