IRDM · Iridium Communications Inc. · Shareholders & Ownership
Every disclosed holder of IRDM in one list: 13F institutions, Schedule 13D and 13G filers, insiders (Forms 3, 4 and 5) and registered funds, each from its own latest filing. Holders nest by CIK and SEC reporting links, never by name, and each is summed once.
Who Owns IRDM
13F quarter Sep 30, 2026, combined view: filers that have not filed yet carry their Jun 30, 2026 positionsNo chart: the summed disclosures exceed shares outstanding, so they are not parts of one whole.
| Holder group | Shares | % Out |
|---|---|---|
| Institutional (13F) | 90,817,174 | 85.71% |
| Insiders (Forms 3, 4, 5) | 0 | 0.00% |
| 13D/G-only blocks | 51,654,746 | 48.75% |
| Remaining | 36,511,537 | -34.46% |
| Registered funds (N-PORT, not summed) | 43,201,609 | 40.77% |
Shares outstanding: 105,960,383, the issuer's latest cover-page count restated onto today's split basis.
Insiders are listed but not summed: the issuer has more than one class of common stock and Forms 3, 4 and 5 report one issuer-wide balance across them.
Remaining is negative: the summed disclosures exceed shares outstanding, as when filings are dated at different times or holders that do not disclose their links count the same shares. It is flagged, not clipped.
13D/G-only counts each filer's latest 13D or 13G that no 13F report of the listing contains, that names no 13F filer and that no counted insider files. Funds are never summed: their shares sit inside their advisers' 13F reports.
Holders of IRDM
| # | Holder | Shares | As of | Notes |
|---|---|---|---|---|
| 1 |
BlackRock, Inc.
13F
CIK 2012383 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
13,447,338 | ||
| 1.1 |
iShares Core S&P Small-Cap ETF
Fund
S000004313 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
6,369,796 | ||
| 1.2 |
iShares U.S. Telecommunications ETF
Fund
S000004333 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
668,711 | ||
| 1.3 |
iShares S&P Small-Cap 600 Growth ETF
Fund
S000004314 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
579,565 | ||
| 1.4 |
iShares Russell Mid-Cap ETF
Fund
S000004338 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
381,352 | ||
| 1.5 |
iShares S&P Small-Cap 600 Value ETF
Fund
S000004316 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
355,024 | ||
| 2 |
VANGUARD GROUP INC
13G
CIK 102909 · Registered investment adviser · Dec 29, 2023
Rule 13d-1(b), qualified institution
|
11,753,337 | ||
| 3 |
|
11,379,311 | ||
| 4 |
BAMCO INC /NY/
13G
CIK 1017918 · Registered investment adviser · Sep 30, 2024
Rule 13d-1(b), qualified institution
|
11,118,785 | ||
| 5 |
Baralonco Limited
13D
CIK 1473963 · Unknown · Jul 31, 2026
Item 4 purpose: not restated by this amendment, the earlier 13D's purpose stands
|
10,000,000 | ||
| 6 |
Capital International Investors
13G
CIK 1562230 · Investment adviser · Dec 29, 2023
Rule 13d-1(b), qualified institution
|
7,403,313 | ||
| 7 |
AQR CAPITAL MANAGEMENT LLC
13F
CIK 1167557 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
6,847,072 | ||
| 7.1 |
AQR CAPITAL MANAGEMENT LLC
13G
CIK 1167557 · Registered investment adviser · Jun 30, 2026
Rule 13d-1(b), qualified institution, not summed
|
6,979,683 | ||
| 7.2 |
AQR Long-Short Equity Fund
Fund
S000041116 · Registered fund · Jun 30, 2026
AQR Funds, not summed
|
381,994 | ||
| 7.3 |
AQR Managed Futures Strategy Fund
Fund
S000027214 · Registered fund · Jun 30, 2026
AQR Funds, not summed
|
211,066 | ||
| 7.4 |
AQR Managed Futures Strategy HV Fund
Fund
S000041117 · Registered fund · Jun 30, 2026
AQR Funds, not summed
|
123,748 | ||
| 7.5 |
AQR Equity Market Neutral Fund
Fund
S000046740 · Registered fund · Jun 30, 2026
AQR Funds, not summed
|
117,267 | ||
| 8 |
VANGUARD PORTFOLIO MANAGEMENT LLC
13F
CIK 2100121 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
5,440,399 | ||
| 9 |
AMERICAN CENTURY COMPANIES INC
13F
CIK 748054 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
4,856,440 | ||
| 10 |
|
4,733,714 | ||
| 10.1 |
State Street(R) SPDR(R) Portfolio S&P 600(TM) Small Cap ETF
Fund
S000041317 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
|
967,902 | ||
| 10.2 |
State Street(R) SPDR(R) S&P(R) Telecom ETF
Fund
S000012323 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
|
472,012 | ||
| 10.3 |
State Street(R) SPDR(R) S & P 600(TM) Small Cap Growth ETF
Fund
S000006990 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
|
370,492 | ||
| 10.4 |
State Street(R) SPDR(R) S&P Kensho New Economies Composite ETF
Fund
S000063362 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
|
258,883 | ||
| 10.5 |
State Street(R) SPDR(R) S & P 600(TM) Small Cap Value ETF
Fund
S000006974 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
|
212,136 | ||
| 11 |
VANGUARD CAPITAL MANAGEMENT LLC
13F
CIK 2100119 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
4,232,161 | ||
| 12 |
Avantis U.S. Small Cap Value ETF
Fund
S000066459 · Registered fund · May 31, 2026
American Century ETF Trust, not summed
|
3,692,023 | ||
| 13 |
Silver Heights Capital Management Inc
13F
CIK 1705712 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
3,274,947 | ||
| 13.1 |
Silver Heights Capital Management Inc
13G
CIK 1705712 · Registered investment adviser · Jun 30, 2026
Rule 13d-1(b), qualified institution, not summed
|
3,274,947 | ||
| 14 |
VANGUARD TOTAL STOCK MARKET INDEX FUND
Fund
S000002848 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
|
2,850,662 | ||
| 15 |
Gotham Asset Management, LLC
13F
CIK 1510387 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
2,514,317 | ||
| 16 |
DIMENSIONAL FUND ADVISORS LP
13F
CIK 354204 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
2,357,845 | ||
| 16.1 |
U.S. SMALL CAP PORTFOLIO
Fund
S000000971 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
|
448,505 | ||
| 16.2 |
Dimensional U.S. Small Cap ETF
Fund
S000070906 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
|
343,633 | ||
| 16.3 |
U.S. MICRO CAP PORTFOLIO
Fund
S000000948 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
|
320,134 | ||
| 16.4 |
Dimensional U.S. Core Equity 2 ETF
Fund
S000070903 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
|
181,110 | ||
| 16.5 |
U.S. Small Cap Growth Portfolio
Fund
S000039439 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
|
134,617 | ||
| 17 |
VAN ECK ASSOCIATES CORP
13F
CIK 869178 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
2,270,799 | ||
| 18 |
Pacer Advisors, Inc.
13F
CIK 1616667 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
2,168,271 | ||
| 19 |
VANGUARD SMALL-CAP INDEX FUND
Fund
S000002845 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
|
2,061,767 | ||
| 20 |
GEODE CAPITAL MANAGEMENT, LLC
13F
CIK 1214717 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
2,044,823 | ||
| 21 |
Pacer US Large Cap Cash Cows Growth Leaders ETF
Fund
S000079104 · Registered fund · Jul 31, 2026
Pacer Funds Trust, not summed
|
1,985,513 | ||
| 22 |
MORGAN STANLEY
13F
CIK 895421 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,517,404 | ||
| 22.1 |
E*TRADE No Fee Total Market Index Fund
Fund
S000090722 · Registered fund · Jul 31, 2026
E Trade Trust, not summed
|
213 | ||
| 23 |
|
1,441,434 | ||
| 24 |
Tema Space Innovators ETF
Fund
S000102192 · Registered fund · May 31, 2026
Tema ETF Trust, not summed
|
1,323,671 | ||
| 25 |
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
13F
CIK 884546 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,317,782 | ||
| 25.1 |
Schwab U.S. Small-Cap ETF
Fund
S000026636 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
|
504,208 | ||
| 25.2 |
Schwab Fundamental U.S. Small Company ETF
Fund
S000040878 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
|
410,629 | ||
| 25.3 |
Schwab Fundamental U.S. Small Company Index Fund
Fund
S000016767 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
|
110,764 | ||
| 25.4 |
Schwab U.S. Broad Market ETF
Fund
S000026631 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
|
64,196 | ||
| 25.5 |
Schwab Total Stock Market Index Fund
Fund
S000005913 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
|
63,008 | ||
| 26 |
ARK Investment Management LLC
13F
CIK 1697748 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,215,113 | ||
| 26.1 |
ARK Space & Defense Innovation ETF
Fund
S000071318 · Registered fund · Jul 31, 2026
ARK ETF Trust, not summed
|
290,747 | ||
| 26.2 |
ARK Autonomous Technology & Robotics ETF
Fund
S000042976 · Registered fund · Jul 31, 2026
ARK ETF Trust, not summed
|
100 | ||
| 27 |
VANGUARD EXTENDED MARKET INDEX FUND
Fund
S000002841 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
|
1,212,948 | ||
| 28 |
VANGUARD SMALL-CAP GROWTH INDEX FUND
Fund
S000002846 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
|
1,187,294 | ||
| 29 |
Bank of New York Mellon Corp
13F
CIK 1390777 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,144,055 | ||
| 29.1 |
BNY Mellon US Small Cap Core Equity ETF
Fund
S000067262 · Registered fund · Jul 31, 2026
BNY Mellon ETF Trust, not summed
|
3,473 | ||
| 30 |
|
1,005,602 | ||
| 31 |
Balyasny Asset Management L.P.
13F
CIK 1218710 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
967,572 | ||
| 32 |
Invesco Ltd.
13F
CIK 914208 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
908,134 | ||
| 32.1 |
Invesco Aerospace & Defense ETF
Fund
S000003039 · Registered fund · Jul 31, 2026
Invesco Exchange-Traded Fund Trust, not summed
|
288,325 | ||
| 32.2 |
Invesco RAFI US 1500 Small-Mid ETF
Fund
S000013120 · Registered fund · Jul 31, 2026
Invesco Exchange-Traded Fund Trust, not summed
|
224,670 | ||
| 32.3 |
Invesco Russell 1000 Equal Weight ETF
Fund
S000047524 · Registered fund · May 31, 2026
Invesco Exchange-Traded Fund Trust II, not summed
|
154,163 | ||
| 32.4 |
Invesco BuyBack AchieversTM ETF
Fund
S000013111 · Registered fund · Jul 31, 2026
Invesco Exchange-Traded Fund Trust, not summed
|
88,621 | ||
| 32.5 |
Invesco S&P SmallCap 600 Revenue ETF
Fund
S000064596 · Registered fund · May 31, 2026
Invesco Exchange-Traded Fund Trust II, not summed
|
39,115 | ||
| 33 |
NORTHERN TRUST CORP
13F
CIK 73124 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
|
854,112 | ||
| 33.1 |
FlexShares Morningstar US Market Factor Tilt Index Fund
Fund
S000033312 · Registered fund · Jul 31, 2026
FlexShares Trust, not summed
|
5,846 | ||
| 34 |
Penserra Capital Management LLC
13F
CIK 1593324 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
838,592 | ||
| 35 |
JPMORGAN CHASE & CO
13F
CIK 19617 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
|
789,191 | ||
| 36 |
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
13F
CIK 1164508 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
754,424 | ||
| 37 |
GOLDMAN SACHS GROUP INC
13F
CIK 886982 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
726,762 | ||
| 37.1 |
Goldman Sachs Innovate Equity ETF
Fund
S000068597 · Registered fund · May 31, 2026
Goldman Sachs ETF Trust, not summed
|
3,019 | ||
| 37.2 |
Goldman Sachs Absolute Return Tracker Fund
Fund
S000020314 · Registered fund · Jun 30, 2026
GOLDMAN SACHS TRUST, not summed
|
1,166 | ||
| 37.3 |
Goldman Sachs MarketBeta(R) Russell 1000 Value Equity ETF
Fund
S000083006 · Registered fund · May 31, 2026
Goldman Sachs ETF Trust, not summed
|
1,050 | ||
| 37.4 |
Goldman Sachs MarketBeta(R) Russell 1000 Growth Equity ETF
Fund
S000083005 · Registered fund · May 31, 2026
Goldman Sachs ETF Trust, not summed
|
129 | ||
| 38 |
VANGUARD TAX-MANAGED SMALL-CAP FUND
Fund
S000004387 · Registered fund · Jun 30, 2026
VANGUARD TAX-MANAGED FUNDS, not summed
|
716,657 | ||
| 39 |
VANGUARD FIDUCIARY TRUST CO
13F
CIK 933478 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
657,958 | ||
| 40 |
SCHRODER INVESTMENT MANAGEMENT GROUP
13F
CIK 1086619 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
641,884 | ||
| 41 |
RENAISSANCE TECHNOLOGIES LLC
13F
CIK 1037389 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
609,799 | ||
| 42 |
Sumitomo Mitsui Trust Group, Inc.
13F
CIK 1475365 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
|
587,179 | ||
| 43 |
Amova Asset Management Americas, Inc.
13F
CIK 1480751 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
550,679 | ||
| 44 |
|
527,524 | ||
| 45 |
BROWN ADVISORY INC
13F
CIK 1345929 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
512,859 | ||
| 46 |
MASSACHUSETTS FINANCIAL SERVICES CO /MA/
13F
CIK 912938 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
509,978 | ||
| 46.1 |
MFS New Discovery Value Fund
Fund
S000032712 · Registered fund · May 31, 2026
MFS SERIES TRUST XIII, not summed
|
325,582 | ||
| 46.2 |
MFS New Discovery Fund
Fund
S000000765 · Registered fund · May 31, 2026
MFS SERIES TRUST I, not summed
|
310,763 | ||
| 46.3 |
MFS New Discovery Series
Fund
S000002680 · Registered fund · Jun 30, 2026
MFS VARIABLE INSURANCE TRUST, not summed
|
77,033 | ||
| 46.4 |
MFS Blended Research Small Cap Equity Fund
Fund
S000050659 · Registered fund · May 31, 2026
MFS SERIES TRUST X, not summed
|
29,358 | ||
| 46.5 |
MFS Blended Research Small Cap Equity Portfolio
Fund
S000008071 · Registered fund · Jun 30, 2026
MFS VARIABLE INSURANCE TRUST III, not summed
|
7,397 | ||
| 47 |
PRINCIPAL FINANCIAL GROUP INC
13F
CIK 1126328 · Insurance company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
509,489 | ||
| 47.1 |
SmallCap S&P 600 Index Fund
Fund
S000007203 · Registered fund · Jul 31, 2026
Principal Funds, Inc, not summed
|
77,898 | ||
| 47.2 |
MidCap Value Fund I
Fund
S000007173 · Registered fund · Jul 31, 2026
Principal Funds, Inc, not summed
|
1,445 | ||
| 48 |
|
502,677 | ||
| 48.1 |
College Retirement Equities Fund - Total Global Stock Account
Fund
S000005080 · Registered fund · Jun 30, 2026
College Retirement Equities Fund, not summed
|
105,146 | ||
| 48.2 |
Nuveen ESG Small-Cap ETF
Fund
S000055815 · Registered fund · Jul 31, 2026
NuShares ETF Trust, not summed
|
89,447 | ||
| 48.3 |
Nuveen Quant Small/Mid Cap Equity Fund
Fund
S000054623 · Registered fund · Jul 31, 2026
TIAA-CREF Funds, not summed
|
79,350 | ||
| 48.4 |
Nuveen Equity Index Fund
Fund
S000005360 · Registered fund · Jul 31, 2026
TIAA-CREF Funds, not summed
|
70,038 | ||
| 48.5 |
Nuveen Large Cap Value Index Fund
Fund
S000005388 · Registered fund · Jul 31, 2026
TIAA-CREF Funds, not summed
|
23,499 | ||
| 49 |
FMR LLC
13F
CIK 315066 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
483,117 | ||
| 49.1 |
Fidelity Extended Market Index Fund
Fund
S000006021 · Registered fund · May 31, 2026
Fidelity Concord Street Trust, not summed
|
538,008 | ||
| 49.2 |
Select Telecommunications Portfolio
Fund
S000007485 · Registered fund · May 31, 2026
Fidelity Select Portfolios, not summed
|
433,811 | ||
| 49.3 |
Fidelity Mid Cap Index Fund
Fund
S000033637 · Registered fund · Jul 31, 2026
Fidelity Salem Street Trust, not summed
|
351,860 | ||
| 49.4 |
Fidelity Total Market Index Fund
Fund
S000006026 · Registered fund · May 31, 2026
Fidelity Concord Street Trust, not summed
|
199,540 | ||
| 49.5 |
Strategic Advisers Fidelity U.S. Total Stock Fund
Fund
S000061481 · Registered fund · May 31, 2026
Fidelity Rutland Square Trust II, not summed
|
179,000 | ||
| 50 |
PANAGORA ASSET MANAGEMENT INC
13F
CIK 883677 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
482,003 |
82 more nested rows are not shown here; Every filing lists them all.
Shares are restated onto today's split basis. Change compares each row with the same holder's previous filing in the same source; a dash means there is none to compare. Nested 13D/G, insider and fund rows are not summed, since a 13F report already holds them.
Showing 1–50 of 666 holders
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