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

Top Sellers

1
BlackRock
BlackRock
New York
$320M
2
BAMCO Inc
BAMCO Inc
New York
$253M
3
Millennium Management
Millennium Management
New York
$25.1M
4
CSS
Cubist Systematic Strategies
Connecticut
$0
5
Qube Research & Technologies (QRT)
Qube Research & Technologies (QRT)
United Kingdom
$306K
Name Holding Trade Value Shares
Change 		Shares
Change %
MIM
101
MetLife Investment Management
New Jersey
$1.76M -$78K -2,585 -4%
VRS
102
Virginia Retirement Systems
Virginia
$1.69M +$3.02K +100 +0.2%
MOACM
103
Mutual of America Capital Management
New York
$1.62M -$67.2K -2,229 -4%
CRWM
104
Castle Rock Wealth Management
California
$1.6M +$139K +4,331 +9%
New York State Common Retirement Fund
105
New York State Common Retirement Fund
New York
$1.52M -$211K -7,000 -12%
Pathstone Holdings
106
Pathstone Holdings
New Jersey
$1.51M -$370K -12,272 -20%
RP
107
Riverwater Partners
Wisconsin
$1.49M – – –
AB
108
Amalgamated Bank
New York
$1.47M -$37.1K -1,231 -2%
II
109
Inspire Investing
Idaho
$1.37M +$82K +2,719 +6%
WA
110
WealthTrust Axiom
Pennsylvania
$1.37M -$142K -4,697 -9%
GF
111
Gabelli Funds
New York
$1.36M +$664K +22,000 +96%
Janus Henderson Group
112
Janus Henderson Group
United Kingdom
$1.35M -$98.9K -3,278 -7%
Treasurer of the State of North Carolina
113
Treasurer of the State of North Carolina
North Carolina
$1.34M -$214K -7,092 -14%
AWM
114
Allen Wealth Management
North Carolina
$1.32M +$91.1K +3,019 +7%
AAM
115
Advisors Asset Management
Colorado
$1.3M +$767K +25,412 +145%
National Bank of Canada
116
National Bank of Canada
Quebec, Canada
$1.29M +$60.4K +2,002 +5%
TRSOTSOK
117
Teachers Retirement System of the State of Kentucky
Kentucky
$1.22M – – –
CM
118
Caption Management
Oklahoma
$1.21M +$724K +24,000 +150%
Stifel Financial
119
Stifel Financial
Missouri
$1.2M +$710K +23,535 +145%
Two Sigma Advisers
120
Two Sigma Advisers
New York
$1.2M +$350K +11,600 +41%
Ensign Peak Advisors
121
Ensign Peak Advisors
Utah
$1.17M -$81.5K -2,700 -7%
BIG
122
Brookwood Investment Group
Arizona
$1.16M +$1.16M +38,614 New
WAM
123
Weiss Asset Management
Massachusetts
$1.15M +$1.15M +38,052 New
TI
124
Trexquant Investment
Connecticut
$1.14M -$10.6M -352,653 -90%
State of Tennessee, Department of Treasury
125
State of Tennessee, Department of Treasury
Tennessee
$1.11M – – –
3 4
5
6 7