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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 %
MIM
376
Marshall Investment Management
Colorado
– – -518 Closed
CA
377
Continuum Advisory
Idaho
– – -360 Closed
CIAM
378
Caitong International Asset Management
Hong Kong
– – -305 Closed
BT
379
Banque Transatlantique
France
– – -250 Closed
SC
380
SouthState Corp
Florida
– – -140 Closed
GFPC
381
Global Financial Private Client
Florida
– – -111 Closed
HCP
382
Hexagon Capital Partners
Arkansas
– – -84 Closed
QC
383
Quent Capital
New York
– – -73 Closed
CT
384
Clearstead Trust
Maine
– – -66 Closed
CFO
385
CVA Family Office
Colorado
– – -28 Closed
PWMG
386
Private Wealth Management Group
New Jersey
– – -26 Closed
PGAM
387
Princeton Global Asset Management
New Jersey
– – -25 Closed
MCM
388
MV Capital Management
Maryland
– – -10 Closed
BF
389
BOK Financial
Oklahoma
– – -8 Closed
AF
390
Advisornet Financial
Minnesota
– – -6 Closed
Walleye Trading
391
Walleye Trading
New York
– – – –
TCCM
392
Two Creeks Capital Management
New York
– – – –
Walleye Capital
393
Walleye Capital
New York
– – – –
Wolverine Trading
394
Wolverine Trading
Illinois
– – – –
Group One Trading
395
Group One Trading
Illinois
– – – –
POIA
396
Pin Oak Investment Advisors
Texas
– – – –
IMC Chicago
397
IMC Chicago
Illinois
– – – –
PEAK6
398
PEAK6
Illinois
– – – –
Simplex Trading
399
Simplex Trading
Illinois
– – – –
12 13 14 15
16