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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 %
PHK
351
Point72 Hong Kong
Hong Kong
– -$569K -20,830 Closed
HIM
352
Hillsdale Investment Management
Ontario, Canada
– -$544K -19,900 Closed
GC
353
Guggenheim Capital
Illinois
– -$496K -18,152 Closed
1C
354
111 Capital
France
– -$457K -16,727 Closed
AF
355
Avanza Fonder
Sweden
– -$414K -15,312 Closed
OIAM
356
OFI Invest Asset Management
France
– -$369K -14,600 Closed
RAM
357
Resona Asset Management
Japan
– -$337K -12,342 Closed
EC
358
EntryPoint Capital
New York
– -$315K -11,514 Closed
OAM
359
Oxford Asset Management
United Kingdom
– -$310K -11,356 Closed
BP
360
Ballentine Partners
Massachusetts
– -$307K -11,219 Closed
CFM
361
Catalyst Funds Management
Australia
– -$297K -10,880 Closed
WSC
362
Wellington Shields & Co
New York
– -$287K -10,500 Closed
PA
363
PharVision Advisers
Florida
– -$226K -8,263 Closed
USAA
364
United Services Automobile Association
Texas
– -$218K -7,927 Closed
PMAM
365
Picton Mahoney Asset Management
Ontario, Canada
– -$214K -7,839 Closed
M&T Bank
366
M&T Bank
New York
– -$209K -7,644 Closed
Mariner
367
Mariner
Kansas
– -$206K -7,552 Closed
Allianz Asset Management
368
Allianz Asset Management
Germany
– -$205K -7,494 Closed
OQS
369
Occudo Quantitative Strategies
Florida
– -$202K -7,352 Closed
BC
370
Bayforest Capital
United Kingdom
– -$169K -6,202 Closed
CCM
371
Coldstream Capital Management
Washington
– -$114K -4,180 Closed
QCG
372
Quadrant Capital Group
Ohio
– -$95.6K -3,498 Closed
SSG
373
Summit Securities Group
New York
– -$72.3K -2,648 Closed
CW
374
Cooksen Wealth
Texas
– -$47.1K -1,800 Closed
SW
375
SVB Wealth
Massachusetts
– -$29.8K -1,091 Closed
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15
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