Skip to main content
Livermore
Livermore
ZHEN

Iridium Communications Inc.

IRDM
Exchange
Nasdaq
Industry
Communications Services, NEC
SEC CIK
0001418819

In the last 90 days, Iridium Communications Inc. insiders filed 0 open-market purchases and 8 sales; 484 institutions reported holding it in 13F filings for Q2 2026, worth $5.01B in total; ARK Invest is the only superinvestor holding it.

Q3 2021 vs. Q2 2021

How the institutions holding Iridium Communications Inc. changed between Q2 2021 and Q3 2021.

All holders in Q3 2021All holders in Q2 2021

13F holders of IRDM: Q2 2021 compared with Q3 2021
MeasureQ2 2021Of which not filed for Q3 2021Q3 2021Change
Holders2794310+35
Shares113.1M37.8K114.3M+1.28M (+1.1%)
Value$4.52B$1.51M$4.56B+$36.6M (+0.8%)

4 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so the changes leave them out.

New holders (58)

Institutions that held Iridium Communications Inc. at the end of Q3 2021 but not at the end of Q2 2021.

Institutions new to IRDM in Q3 2021
InstitutionSharesValue% of portfolio
Alberta Investment Management Corp113,400$4.52M0.04%
ClariVest Asset Management LLC103,593$4.13M0.13%
Citadel Advisors LLC101,889$4.06M0.00%
Marshall Wace, LLP88,812$3.54M0.02%
Renaissance Technologies LLC81,799$3.26M0.00%
Tudor Investment Corp Et Al80,259$3.20M0.07%
Strong Tower Advisory Services71,073$2.74M1.60%
Squarepoint Ops LLC67,016$2.67M0.02%
Jane Street Group, LLC51,869$2.07M0.01%
Cubist Systematic Strategies, LLC48,954$1.95M0.02%
Prospera Financial Services Inc46,739$1.86M0.09%
EAM Investors, LLC45,942$1.83M0.31%
Cordatus Wealth Management LLC45,311$1.81M1.39%
Twin Tree Management, LP44,705$1.78M0.05%
Jacobs Levy Equity Management, Inc42,963$1.71M0.01%
Capital Fund Management S.A.42,235$1.68M0.04%
Jupiter Asset Management Ltd34,156$1.36M0.02%
Two Sigma Advisers, LP32,400$1.29M0.00%
Dynamic Technology Lab Private Ltd31,966$1.27M0.15%
Zacks Investment Management26,972$1.07M0.02%
Algert Global LLC26,812$1.07M0.14%
Balyasny Asset Management LLC25,010$997.0K0.00%
Peapack Gladstone Financial Corp24,088$960.0K0.02%
SEI Investments Co22,817$909.0K0.00%
Paloma Partners Management Co19,246$767.0K0.03%
Centiva Capital, LP18,487$737.0K0.06%
Qube Research & Technologies Ltd18,416$734.0K0.01%
Engineers Gate Manager LP17,181$685.0K0.04%
Assenagon Asset Management S.A.15,379$613.0K0.00%
Verition Fund Management LLC13,827$551.0K0.01%
Trexquant Investment LP12,404$494.0K0.04%
Janus Henderson Group PLC12,189$486.0K0.00%
Gsa Capital Partners LLP10,528$420.0K0.04%
Versor Investments LP10,400$414.0K0.01%
Doyle Wealth Management10,000$399.0K0.03%
Marshall Wace North America L.P.9,691$386.0K0.00%
Two Sigma Investments, LP9,320$371.0K0.00%
Clear Street Markets LLC8,950$357.0K0.08%
Virtu Financial LLC8,395$335.0K0.03%
Creative Planning8,313$331.0K0.00%
Pictet Asset Management SA7,429$296.0K0.00%
Campbell & CO Investment Adviser LLC7,250$289.0K0.09%
Mackenzie Financial Corp6,693$267.0K0.00%
CIBC World Markets Inc.6,313$252.0K0.00%
Scotia Capital Inc.6,223$248.0K0.00%
Seven Eight Capital, LP6,106$243.0K0.02%
Fox Run Management, L.L.C.5,690$227.0K0.14%
CIBC Asset Management Inc5,416$216.0K0.00%
Neo Ivy Capital Management2,502$64.0K0.07%
Vaughan Nelson Investment Management, L.P.1,016$40.0K0.00%
Dark Forest Capital Management LP324$13.0K0.00%
Parallel Advisors, LLC311$12.0K0.00%
Total Clarity Wealth Management, Inc.175$7.00K0.00%
Bell Investment Advisors, Inc74$3.00K0.00%
Meridian Wealth Partners, LLC41$2.00K0.00%
Kowal Investment Group, LLC39$2.00K0.00%
First Manhattan Co23$00.00%
Gerber Kawasaki Wealth & Investment Management1––

Sold out (23)

Institutions that held Iridium Communications Inc. at the end of Q2 2021 and filed for Q3 2021 without it.

Institutions that sold out of IRDM in Q3 2021
InstitutionShares, Q2 2021Value, Q2 2021
Millennium Management LLC194,805$7.79M
Corriente Advisors, LLC80,000$3.20M
HRT Financial LP75,456$3.02M
AdvisorNet Financial, Inc69,781$2.79M
Sowell Financial Services LLC23,310$932.0K
Wolverine Trading, LLC19,991$842.0K
Ergoteles LLC19,600$784.0K
Walleye Trading LLC14,936$597.0K
Aigen Investment Management, LP13,054$522.0K
Group One Trading, L.P.9,541$382.0K
AlphaCrest Capital Management LLC9,287$371.0K
Quantinno Capital Management LP7,894$316.0K
Quadrature Capital Ltd5,923$237.0K
XTX Topco Ltd5,322$213.0K
Sciencast Management LP5,240$207.0K
Advisor Partners LLC5,006$200.0K
WealthShield Partners, LLC4,500$180.0K
Asset Management One Co.,Ltd.3,601$144.0K
Parallax Volatility Advisers, L.P.88$4.00K
Advisory Services Network, LLC105$4.00K
Permanens Capital L.P.100$4.00K
Evolution Wealth Advisors, LLC100$4.00K
Modus Advisors, LLC6$0

Not filed for Q3 2021 yet (4)

Institutions that held Iridium Communications Inc. at the end of Q2 2021 and haven't filed a 13F for Q3 2021. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding IRDM in Q2 2021 that haven't filed for Q3 2021
InstitutionShares, Q2 2021Value, Q2 2021
Princeton Portfolio Strategies Group LLC24,588$983.0K
Pictet Asset Management Ltd7,429$297.0K
Bel Air Investment Advisors LLC5,500$220.0K
CWM, LLC238$10.0K