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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; 483 institutions reported holding it in 13F filings for Q2 2026, worth $5.01B in total; ARK Invest is the only superinvestor holding it.

13F holders, Q1 2023

Institutional positions in Iridium Communications Inc. as of Mar 31, 2023. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
373
+12 vs. Q4 2022
Shares held
105.3M
+999.3K (+1.0%) vs. Q4 2022
Total value
$6.54B
+$1.18B (+22.0%) vs. Q4 2022
New holders
54
120 more added
Sold out
42
135 more reduced

4 institutions that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2022: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting IRDM on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2023: 373 institutions
Q1 2021: 301 institutionsQ2 2021: 279 institutionsQ3 2021: 310 institutionsQ4 2021: 309 institutionsQ1 2022: 311 institutionsQ2 2022: 310 institutionsQ3 2022: 330 institutionsQ4 2022: 365 institutionsQ1 2023: 373 institutionsQ2 2023: 392 institutionsQ3 2023: 361 institutionsQ4 2023: 347 institutionsQ1 2024: 330 institutionsQ2 2024: 344 institutionsQ3 2024: 353 institutionsQ4 2024: 349 institutionsQ1 2025: 351 institutionsQ2 2025: 332 institutionsQ3 2025: 324 institutionsQ4 2025: 325 institutionsQ1 2026: 382 institutionsQ2 2026: 483 institutions
Value heldQ1 2023: $6.54B
Q1 2021: $4.48BQ2 2021: $4.52BQ3 2021: $4.56BQ4 2021: $4.76BQ1 2022: $4.41BQ2 2022: $4.09BQ3 2022: $4.73BQ4 2022: $5.37BQ1 2023: $6.54BQ2 2023: $6.40BQ3 2023: $4.64BQ4 2023: $4.25BQ1 2024: $2.71BQ2 2024: $2.70BQ3 2024: $3.00BQ4 2024: $2.91BQ1 2025: $2.84BQ2 2025: $3.06BQ3 2025: $1.79BQ4 2025: $1.63BQ1 2026: $2.50BQ2 2026: $5.01B
Institutions holding IRDM and their total value by quarter
QuarterHoldersValue
Q2 2026483$5.01B
Q1 2026382$2.50B
Q4 2025325$1.63B
Q3 2025324$1.79B
Q2 2025332$3.06B
Q1 2025351$2.84B
Q4 2024349$2.91B
Q3 2024353$3.00B
Q2 2024344$2.70B
Q1 2024330$2.71B
Q4 2023347$4.25B
Q3 2023361$4.64B
Q2 2023392$6.40B
Q1 2023373$6.54B
Q4 2022365$5.37B
Q3 2022330$4.73B
Q2 2022310$4.09B
Q1 2022311$4.41B
Q4 2021309$4.76B
Q3 2021310$4.56B
Q2 2021279$4.52B
Q1 2021301$4.48B

Institutions, Q1 2023

Shares, value and share of portfolio for each institution holding Iridium Communications Inc.; share changes are against Q4 2022.

Institutions holding IRDM in Q1 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Bamco Inc14,440,447$894.3M2.69%−70,871−0.5%Reduced
BlackRock Inc.14,059,160$870.7M0.03%−711,979−4.8%Reduced
Vanguard Group Inc12,554,132$777.5M0.02%−159,026−1.3%Reduced
Capital International Investors7,734,144$479.0M0.12%−137,848−1.8%Reduced
State Street Corp4,811,644$298.0M0.02%−87,363−1.8%Reduced
Geode Capital Management, LLC2,507,390$155.3M0.02%+138,278+5.8%Added
Silver Heights Capital Management Inc2,430,243$150.5M50.01%−1,760−0.1%Reduced
Dimensional Fund Advisors LP2,102,330$130.2M0.04%−336,274−13.8%Reduced
Invesco Ltd.2,087,297$129.3M0.04%−519,164−19.9%Reduced
Clearbridge Investments, LLC2,056,823$127.4M0.12%+52,940+2.6%Added
Northern Trust Corp1,904,358$117.9M0.02%+48,543+2.6%Added
Capital World Investors1,563,868$96.9M0.02%00.0%Unchanged
Charles Schwab Investment Management Inc1,506,228$93.3M0.03%−13,038−0.9%Reduced
ARK Investment Management LLCSuperinvestorARK Invest1,452,652$90.0M0.62%−41,803−2.8%Reduced
Morgan Stanley1,423,323$88.1M0.01%−60,969−4.1%Reduced
Van Berkom & Associates Inc.1,352,454$83.8M3.10%−157,382−10.4%Reduced
Bank of New York Mellon Corp1,298,480$80.4M0.02%−18,462−1.4%Reduced
Citadel Advisors LLC1,236,153$76.6M0.08%+957,643+343.8%Added
Norges Bank1,206,441$74.7M0.02%+57,379+5.0%Added
Price T Rowe Associates Inc1,180,477$73.1M0.01%+10,244+0.9%Added
Goldman Sachs Group Inc1,035,633$64.1M0.02%−42,836−4.0%Reduced
Select Equity Group, L.P.1,030,704$63.8M0.24%−174,302−14.5%Reduced
FMR LLC867,512$53.7M0.00%+455,670+110.6%Added
Nuveen Asset Management, LLC849,662$52.6M0.02%−30,719−3.5%Reduced
Driehaus Capital Management LLC814,636$50.5M0.71%+255,804+45.8%Added
Pinnacle Associates Ltd759,091$47.0M0.96%−16,975−2.2%Reduced
Sumitomo Mitsui Trust Holdings, Inc.703,336$43.6M0.03%−8,188−1.2%Reduced
Nikko Asset Management Americas, Inc.703,336$43.1M0.50%−8,188−1.2%Reduced
Macquarie Group Ltd622,404$38.5M0.05%+95,705+18.2%Added
Renaissance Technologies LLC612,299$37.9M0.05%+162,539+36.1%Added
Legal & General Group Plc552,878$34.2M0.01%−16,241−2.9%Reduced
JPMorgan Chase & Co547,378$33.9M0.00%+130,347+31.3%Added
D. E. Shaw & Co., Inc.522,374$32.4M0.05%−33,243−6.0%Reduced
Brown Advisory Inc520,016$32.2M0.05%+2500.0%Added
Principal Financial Group Inc498,499$30.9M0.02%+2,691+0.5%Added
Dudley & Shanley, Inc.484,565$30.0M5.76%−182,820−27.4%Reduced
Millennium Management LLC443,071$27.4M0.03%+125,690+39.6%Added
Braun Stacey Associates Inc438,214$27.1M0.71%+438,214New
Blair William & Co437,330$27.1M0.11%+79,607+22.3%Added
Rhumbline Advisers397,872$24.6M0.03%+2,544+0.6%Added
Voya Investment Management LLC356,982$22.1M0.02%−44,510−11.1%Reduced
Man Group plc–$22.0M0.08%––
Waratah Capital Advisors Ltd.321,205$19.9M0.98%+321,205New
Retirement Systems of Alabama315,567$19.5M0.08%−1,434−0.5%Reduced
Raymond James & Associates314,927$19.5M0.02%+15,359+5.1%Added
Deutsche Bank AG311,749$19.3M0.01%−62,569−16.7%Reduced
Alliancebernstein L.P.286,993$17.8M0.01%−2,842−1.0%Reduced
California Public Employees Retirement System275,294$17.0M0.02%−29,875−9.8%Reduced
Putnam Investments LLC273,070$16.9M0.03%+138,967+103.6%Added
Raymond James Financial Services Advisors, Inc.253,254$15.7M0.03%+12,393+5.1%Added
American International Group, Inc.252,953$15.7M0.10%−587−0.2%Reduced
Bank of America Corp248,439$15.4M0.00%+66,437+36.5%Added
Swiss National Bank244,100$15.1M0.01%−31,800−11.5%Reduced
UBS Asset Management Americas Inc221,706$13.7M0.01%+16,062+7.8%Added
Nicholas Investment Partners, LP214,654$13.3M1.01%+8,606+4.2%Added
Commonwealth of Pennsylvania Public School Empls Retrmt Sys214,300$13.3M0.11%+1,280+0.6%Added
SG Capital Management LLC199,684$12.4M4.49%+28,626+16.7%Added
Ameriprise Financial Inc196,945$12.2M0.00%−3,459−1.7%Reduced
ArrowMark Colorado Holdings LLC193,726$12.0M0.14%+193,726New
Summit Partners Public Asset Management, LLC183,934$11.4M0.64%+183,934New
Lisanti Capital Growth, LLC182,225$11.3M1.57%+133,775+276.1%Added
Amundi175,205$10.7M0.01%+168,666+2,579.4%Added
Mutual of America Capital Management LLC166,709$10.3M0.12%−5,148−3.0%Reduced
Arrowstreet Capital, Limited Partnership159,610$9.88M0.01%+159,610New
State of Wisconsin Investment Board153,321$9.50M0.03%+73,625+92.4%Added
Guggenheim Capital LLC152,560$9.45M0.08%+2,731+1.8%Added
California State Teachers Retirement System145,863$9.03M0.01%−3,483−2.3%Reduced
New York State Common Retirement Fund144,552$8.95M0.01%+28,687+24.8%Added
Manufacturers Life Insurance Company, The143,412$8.88M0.01%−3,951−2.7%Reduced
Voloridge Investment Management, LLC141,780$8.78M0.04%−47,713−25.2%Reduced
Intrinsic Edge Capital Management LLC140,000$8.67M0.88%00.0%Unchanged
MetLife Investment Management139,933$8.67M0.06%−2,067−1.5%Reduced
Credit Suisse AG135,905$8.42M0.01%+4,770+3.6%Added
UBS Group AG133,768$8.28M0.00%+32,130+31.6%Added
Squarepoint Ops LLC123,974$7.68M0.05%+17,684+16.6%Added
Connor, Clark & Lunn Investment Management Ltd.122,908$7.61M0.04%−5,910−4.6%Reduced
Axiom Investors LLC122,320$7.58M0.12%+122,320New
WealthTrust Axiom LLC117,189$7.26M2.47%−610−0.5%Reduced
Two Sigma Advisers, LP116,200$7.20M0.02%−43,700−27.3%Reduced
New York State Teachers Retirement System114,793$7.11M0.02%+4,934+4.5%Added
Texas Permanent School Fund112,677$6.98M0.07%+28,209+33.4%Added
First Trust Advisors LP107,583$6.66M0.01%+12,756+13.5%Added
Investors Towarzystwo Funduszy Inwestycyjnych Spolka Akcyjna107,538$6.59M3.82%−30,330−22.0%Reduced
Barclays PLC105,174$6.51M0.01%+48,095+84.3%Added
Federated Hermes, Inc.105,150$6.51M0.02%+85,783+442.9%Added
BNP Paribas Arbitrage, SA104,738$6.49M0.01%+48,854+87.4%Added
EAM Global Investors LLC104,318$6.46M1.81%+57,742+124.0%Added
Russell Investments Group, Ltd.100,349$6.21M0.01%+31,534+45.8%Added
Castleark Management LLC100,290$6.21M0.31%+100,290New
Mackenzie Financial Corp98,023$6.07M0.01%−13,456−12.1%Reduced
Cetera Advisor Networks LLC94,395$5.85M0.04%+4,944+5.5%Added
Resolute Capital Asset Partners LLC90,000$5.57M4.07%+90,000New
American Century Companies Inc90,667$5.54M0.00%−462,712−83.6%Reduced
Picton Mahoney Asset Management87,370$5.41M0.27%+87,370New
Engineers Gate Manager LP85,824$5.32M0.22%+70,795+471.1%Added
Los Angeles Capital Management LLC84,850$5.25M0.02%+26,346+45.0%Added
Amalgamated Bank84,091$5.21M0.04%−4,621−5.2%Reduced
Envestnet Asset Management Inc83,321$5.16M0.00%+69,796+516.1%Added
Great West Life Assurance Co81,595$5.05M0.01%−1,560−1.9%Reduced
Algert Global LLC75,984$4.71M0.22%+28,860+61.2%Added