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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 %
MOACM
101
Mutual of America Capital Management
New York
$1.62M 53,790 -2,229 -4%
CRWM
102
Castle Rock Wealth Management
California
$1.6M 50,024 +4,331 +9%
New York State Common Retirement Fund
103
New York State Common Retirement Fund
New York
$1.52M 50,202 -7,000 -12%
Pathstone Holdings
104
Pathstone Holdings
New Jersey
$1.51M 50,025 -12,272 -20%
RP
105
Riverwater Partners
Wisconsin
$1.49M 49,261 – –
AB
106
Amalgamated Bank
New York
$1.47M 48,860 -1,231 -2%
II
107
Inspire Investing
Idaho
$1.37M 45,489 +2,719 +6%
WA
108
WealthTrust Axiom
Pennsylvania
$1.37M 45,359 -4,697 -9%
GF
109
Gabelli Funds
New York
$1.36M 45,000 +22,000 +96%
Janus Henderson Group
110
Janus Henderson Group
United Kingdom
$1.35M 44,739 -3,278 -7%
Treasurer of the State of North Carolina
111
Treasurer of the State of North Carolina
North Carolina
$1.34M 44,311 -7,092 -14%
AWM
112
Allen Wealth Management
North Carolina
$1.32M 43,609 +3,019 +7%
AAM
113
Advisors Asset Management
Colorado
$1.3M 42,996 +25,412 +145%
National Bank of Canada
114
National Bank of Canada
Quebec, Canada
$1.29M 42,867 +2,002 +5%
TRSOTSOK
115
Teachers Retirement System of the State of Kentucky
Kentucky
$1.22M 40,307 – –
CM
116
Caption Management
Oklahoma
$1.21M 40,000 +24,000 +150%
Stifel Financial
117
Stifel Financial
Missouri
$1.2M 39,815 +23,535 +145%
Two Sigma Advisers
118
Two Sigma Advisers
New York
$1.2M 39,800 +11,600 +41%
Ensign Peak Advisors
119
Ensign Peak Advisors
Utah
$1.17M 38,819 -2,700 -7%
BIG
120
Brookwood Investment Group
Arizona
$1.16M 38,614 +38,614 New
WAM
121
Weiss Asset Management
Massachusetts
$1.15M 38,052 +38,052 New
TI
122
Trexquant Investment
Connecticut
$1.14M 37,672 -352,653 -90%
State of Tennessee, Department of Treasury
123
State of Tennessee, Department of Treasury
Tennessee
$1.11M 36,943 – –
Russell Investments Group
124
Russell Investments Group
United Kingdom
$1.11M 36,746 +5,867 +19%
GJWM
125
Gilliland Jeter Wealth Management
Arkansas
$1.1M 36,561 +2,250 +7%
3 4
5
6 7