Iridium Communications Inc. (IRDM) shareholders
IRDMNasdaqCommunications Services, NECFiscal year ends December 31
Financials through Q3 FY2026, quarter ended Sep 30, 2026Last filing: 10-Q on Oct 20, 2026Score 13/3020% above fair value
$45.87−0.25 (-0.54%)
Close on Nov 13, 2026Market cap $4.87BP/E 30.4Yield –
Ownership
Institutional holdings as of Jun 30, 2026, from 13F filings
Held by institutions
86.0%
91M of 106M shares
Institutional holders
481
156 new, 48 sold out
Net institutional buying
1M
In Q2 2026
Insider trades, 12 months
0 buys · 13 sales
Net sold $19.83M
Shares held by institutions
Holders of more than 5%
Latest Schedule 13D (active) or 13G (passive) filed by each holder
| Holder | Shares | % of class | Filing | As of |
|---|---|---|---|---|
| BlackRock, Inc. | 13,072,774 | 12.50% | 13G (passive) amendment | Dec 31, 2025 |
| Fahd bin Khalid bin Abdullah bin Abdulrahman, as legal representative of the Estate of the late Khalid Bin Abdullah Bin Abdulrahman Joint filing with Baralonco Limited (9.96%), Estate of the late Khalid bin Abdullah bin Abdulrahman (9.96%) | 10,432,489 | 9.96% | 13D (active) amendment | Nov 24, 2025 |
| Estate of the late Khalid bin Abdullah bin Abdulrahman Joint filing with Baralonco Limited (9.53%), Fahd bin Khalid bin Abdullah bin Abdulrahman, as legal representative of the Estate of the late Khalid bin Abdullah bin Abdulrahman (9.53%) | 10,000,000 | 9.53% | 13D (active) amendment | Apr 2, 2026 |
| Baralonco Limited Joint filing with Estate of the late Khalid bin Abdullah bin Abdulrahman (9.44%), Fahd bin Khalid bin Abdullah bin Abdulrahman, as legal representative of the Estate of the late Khalid bin Abdullah bin Abdulrahman (9.44%) | 10,000,000 | 9.44% | 13D (active) amendment | Jul 31, 2026 |
| Ronald Baron Joint filing with Baron Capital Group, Inc. (7.75%), Bamco Inc /Ny/ (7.16%) and 1 more | 8,377,907 | 7.75% | 13G (passive) amendment | Jun 30, 2025 |
| AQR Capital Management Holdings, LLC Joint filing with AQR Capital Management, LLC (6.60%) | 6,979,683 | 6.60% | 13G (passive) | Jun 30, 2026 |
| Vanguard Portfolio Management | 6,103,943 | 5.81% | 13G (passive) | Mar 31, 2026 |
Top institutional holders
13F holdings as of Jun 30, 2026
| Holder | Shares | % of IRDM | Value | Change | % of portfolio |
|---|---|---|---|---|---|
| BlackRock, Inc. | 13,447,338 | 12.67% | $737.59M | −492,280 | 0.01% |
| Aqr Capital Management LLC | 6,847,072 | 6.45% | $374.33M | +3,929,245 | 0.13% |
| Vanguard Portfolio Management LLC | 5,440,399 | 5.12% | $298.41M | −651,350 | 0.01% |
| American Century Companies Inc | 4,856,440 | 4.57% | $266.38M | +1,386,486 | 0.12% |
| State Street Corp | 4,733,714 | 4.46% | $259.64M | −316,452 | 0.01% |
| Vanguard Capital Management LLC | 4,232,161 | 3.99% | $232.13M | +120,836 | 0.00% |
| Silver Heights Capital Management Inc | 3,274,947 | 3.08% | $179.63M | −1,870,532 | 55.43% |
| Gotham Asset Management, LLC | 2,514,317 | 2.37% | $137.91M | −839,654 | 0.32% |
| Dimensional Fund Advisors LP | 2,357,845 | 2.22% | $129.33M | +198,784 | 0.02% |
| Van Eck Associates Corp | 2,270,799 | 2.14% | $124.55M | +766,171 | 0.08% |
| Pacer Advisors, Inc. | 2,168,271 | 2.04% | $118.93M | +1,277,889 | 0.30% |
| Geode Capital Management, LLC | 2,044,823 | 1.93% | $112.19M | +37,812 | 0.01% |
| Morgan Stanley | 1,517,404 | 1.43% | $83.23M | −65,933 | 0.00% |
| Charles Schwab Investment Management Inc | 1,317,782 | 1.24% | $72.28M | −48,223 | 0.01% |
| ARK Investment Management LLC | 1,215,113 | 1.14% | $66.65M | −511,689 | 0.43% |
| Bank of New York Mellon Corp | 1,144,055 | 1.08% | $62.75M | −6,395 | 0.01% |
| UBS Group AG | 1,005,602 | 0.95% | $55.16M | −278,959 | 0.01% |
| Balyasny Asset Management L.P. | 967,572 | 0.91% | $53.07M | +844,017 | 0.07% |
| Invesco Ltd. | 908,134 | 0.86% | $49.81M | −79,792 | 0.00% |
| Northern Trust Corp | 854,112 | 0.80% | $46.85M | −9,382 | 0.01% |
Institutional buying and selling by quarter
Positions opened, added to, reduced and closed by 13F filers
| Quarter | Holders | Shares held | % of shares | New / added | Reduced / closed | Shares bought | Shares sold |
|---|---|---|---|---|---|---|---|
| Q2 2026 | 481 | 91M | 86.0% | 156 / 152 | 126 / 48 | 17M | 15M |
| Q1 2026 | 382 | 90M | 85.1% | 108 / 123 | 102 / 45 | 22M | 15M |
| Q4 2025 | 325 | 94M | 88.4% | 64 / 109 | 114 / 60 | 16M | 24M |
| Q3 2025 | 324 | 102M | 96.2% | 63 / 116 | 112 / 68 | 24M | 23M |
| Q2 2025 | 331 | 102M | 95.7% | 49 / 109 | 145 / 67 | 8M | 11M |
| Q1 2025 | 351 | 105M | 98.6% | 51 / 138 | 120 / 46 | 14M | 9M |
| Q4 2024 | 349 | 100M | 94.4% | 48 / 130 | 127 / 50 | 9M | 7M |
| Q3 2024 | 353 | 99M | 93.1% | 50 / 117 | 135 / 35 | 18M | 10M |
| Q2 2024 | 344 | 102M | 96.1% | 55 / 116 | 130 / 38 | 10M | 15M |
| Q1 2024 | 329 | 107M | 100.0% | 44 / 142 | 105 / 58 | 17M | 14M |
| Q4 2023 | 345 | 105M | 98.7% | 45 / 110 | 143 / 55 | 11M | 7M |
| Q3 2023 | 360 | 101M | 95.3% | 37 / 114 | 162 / 68 | 6M | 8M |
Top mutual fund and ETF holders
Latest monthly portfolio reports (Form N-PORT)
355 funds held IRDM in Q2 2026, 66% of their shares through ETFs. Each fund counts once per quarter, from its quarter-end report.
| Fund | Shares | % of IRDM | Value | % of fund | As of |
|---|---|---|---|---|---|
| iShares Core S&P Small-Cap ETF | 6,369,796 | 6.00% | $349.38M | 0.31% | Jun 30, 2026 |
| Avantis U.S. Small Cap Value ETF | 3,692,023 | 3.48% | $191.17M | 0.71% | May 31, 2026 |
| Vanguard Total Stock Market Index Fund | 2,850,662 | 2.69% | $156.36M | 0.01% | Jun 30, 2026 |
| Vanguard Small-Cap Index Fund | 2,061,767 | 1.94% | $113.09M | 0.06% | Jun 30, 2026 |
| Pacer US Large Cap Cash Cows Growth Leaders ETF | 1,985,513 | 1.87% | $93.99M | 4.25% | Jul 31, 2026 |
| Tema Space Innovators ETF | 1,323,671 | 1.25% | $68.54M | 2.63% | May 31, 2026 |
| Vanguard Extended Market Index Fund | 1,212,948 | 1.14% | $66.53M | 0.07% | Jun 30, 2026 |
| Vanguard Small-Cap Growth Index Fund | 1,187,294 | 1.12% | $65.12M | 0.14% | Jun 30, 2026 |
| State Street(R) SPDR(R) Portfolio S&P 600(TM) Small Cap ETF | 967,902 | 0.91% | $53.09M | 0.31% | Jun 30, 2026 |
| Vanguard Tax-Managed Small-Cap Fund | 716,657 | 0.68% | $39.31M | 0.34% | Jun 30, 2026 |
| iShares U.S. Telecommunications ETF | 668,711 | 0.63% | $36.68M | 2.95% | Jun 30, 2026 |
| iShares S&P Small-Cap 600 Growth ETF | 579,565 | 0.55% | $31.79M | 0.39% | Jun 30, 2026 |
| Fidelity Extended Market Index Fund | 538,008 | 0.51% | $27.86M | 0.07% | May 31, 2026 |
| Schwab U.S. Small-Cap ETF | 504,208 | 0.47% | $26.11M | 0.11% | May 31, 2026 |
| State Street(R) SPDR(R) S&P(R) Telecom ETF | 472,012 | 0.44% | $25.89M | 3.64% | Jun 30, 2026 |
Officers, directors and major owners
People who filed Forms 3, 4 or 5 in the last two years
| Name | Role | Shares owned | % of shares | Latest filing |
|---|---|---|---|---|
| Matthew J. Desch | Chief Executive Officer, Director | 1,398,634 | 1.32% | Oct 26, 2026 |
| Suzanne E. McBride | Chief Operations Officer, Director | 260,991 | 0.25% | Sep 2, 2026 |
| Timothy James Last | EVP, Sales & Marketing | 84,130 | 0.08% | Sep 16, 2026 |
| Scott Scheimreif | EVP-Government Programs | 257,552 | 0.24% | Sep 2, 2026 |
| Kathleen A. Morgan | Chief Legal Officer | 122,818 | 0.12% | Sep 2, 2026 |
| Timothy Kapalka | CAO Iridium Satellite LLC | 35,038 | 0.03% | Sep 2, 2026 |
| Vincent James O'Neill | Chief Financial Officer | 126,944 | 0.12% | Sep 2, 2026 |
| Donald Lee Thoma | EVP, Aireon | 50,177 | 0.05% | Jul 13, 2026 |
| Bryan J. Hartin | EVP-SALES AND MARKETING | 94,928 | 0.09% | Dec 23, 2024 |
| Thomas C. Canfield | Director | 271,710 | 0.26% | Oct 2, 2026 |
| Jacqueline E. Yeaney | Director | 25,374 | 0.02% | Oct 2, 2026 |
| Monique S. Shivanandan | Director | 15,989 | 0.02% | Oct 2, 2026 |
| Leon Anthony Frazier | Director | 46,611 | 0.04% | Oct 2, 2026 |
| Louis M. Alterman | Director | 13,853 | 0.01% | Oct 2, 2026 |
| Thomas Fitzpatrick | Director | 43,315 | 0.04% | Oct 2, 2026 |
| Kay Sears | Director | 30,148 | 0.03% | Oct 2, 2026 |
| Robert H. Niehaus | Director | 43,315 | 0.04% | Oct 2, 2026 |
| Eric T. Olson | Director | 150,122 | 0.14% | Oct 2, 2026 |
| A. B. Krongard | Director | 527,525 | 0.50% | Apr 2, 2026 |
Insider trades
Common stock transactions reported on Form 4, newest first
| Insider | Date | Transaction | Shares | Price | Value | Shares after |
|---|---|---|---|---|---|---|
| Matthew J. Desch Chief Executive Officer, Director | Oct 22, 2026 | Gift | −42,800 | – | – | 1,398,634 |
| Leon Anthony Frazier Director | Sep 30, 2026 | Award | +106.5 | – | – | 46,611 |
| Jacqueline E. Yeaney Director | Sep 30, 2026 | Award | +34.2 | – | – | 25,374 |
| Kay Sears Director | Sep 30, 2026 | Award | +34.2 | – | – | 30,148 |
| Louis M. Alterman Director | Sep 30, 2026 | Award | +43.3 | – | – | 13,853 |
| Monique S. Shivanandan Director | Sep 30, 2026 | Award | +49.9 | – | – | 15,989 |
| Robert H. Niehaus Director | Sep 30, 2026 | Award | +55.7 | – | – | 43,315 |
| Thomas C. Canfield Director | Sep 30, 2026 | Award | +733.7 | – | – | 235,028 |
| Thomas Fitzpatrick Director | Sep 30, 2026 | Award | +55.7 | – | – | 43,315 |
| Eric T. Olson Director | Sep 30, 2026 | Award | +441.8 | – | – | 150,122 |
| Timothy James Last EVP, Sales & Marketing | Sep 15, 2026 | Sale | −5,769 | $46.35 | $267.39K | 84,130 |
| Timothy James Last EVP, Sales & Marketing | Sep 3, 2026 | Sale | −2,013 | $47.36 | $95.34K | 89,899 |
| Matthew J. Desch Chief Executive Officer, Director | Sep 1, 2026 | Tax withholding | −9,583 | $46.98 | $450.21K | 1,441,434 |
| Timothy Kapalka CAO Iridium Satellite LLC | Sep 1, 2026 | Tax withholding | −693 | $46.98 | $32.56K | 35,038 |
| Timothy James Last EVP, Sales & Marketing | Sep 1, 2026 | Tax withholding | −1,501 | $46.98 | $70.52K | 91,912 |
| Vincent James O'Neill Chief Financial Officer | Sep 1, 2026 | Tax withholding | −1,461 | $46.98 | $68.64K | 126,944 |
| Suzanne E. McBride Chief Operations Officer, Director | Sep 1, 2026 | Tax withholding | −3,623 | $46.98 | $170.21K | 260,991 |
| Scott Scheimreif EVP-Government Programs | Sep 1, 2026 | Tax withholding | −2,207 | $46.98 | $103.68K | 257,552 |
| Kathleen A. Morgan Chief Legal Officer | Sep 1, 2026 | Tax withholding | −2,053 | $46.98 | $96.45K | 122,818 |
| Suzanne E. McBride Chief Operations Officer, Director | Aug 20, 2026 | Gift | −17,403 | – | – | 264,614 |
| Thomas Fitzpatrick Director | Aug 18, 2026 | Sale | −15,046 | $49.20 | $740.26K | 43,260 |
| Timothy Kapalka CAO Iridium Satellite LLC | Aug 17, 2026 | Sale | −13,473 | $50.51 | $680.52K | 35,731 |
| Robert H. Niehaus Director | Aug 17, 2026 | Gift | −50,000 | – | – | 266,910 |
| Kathleen A. Morgan Chief Legal Officer | Aug 17, 2026 | Sale | −32,648 | $50.34 | $1.64M | 125,415 |
| Kathleen A. Morgan Chief Legal Officer | Aug 17, 2026 | Sale | −544 | $50.85 | $27.66K | 124,871 |
| Suzanne E. McBride Chief Operations Officer, Director | Aug 17, 2026 | Sale | −85,454 | $50.28 | $4.30M | 282,017 |
| Timothy James Last EVP, Sales & Marketing | Aug 17, 2026 | Sale | −500 | $50.88 | $25.44K | 93,413 |
| Timothy James Last EVP, Sales & Marketing | Aug 17, 2026 | Sale | −19,021 | $50.33 | $957.33K | 93,913 |
| Thomas Fitzpatrick Director | Aug 17, 2026 | Sale | −209,233 | $50.22 | $10.51M | 58,306 |
| Eric T. Olson Director | Aug 17, 2026 | Sale | −8,000 | $50.61 | $404.88K | 149,680 |
| Donald Lee Thoma EVP, Aireon | Jul 10, 2026 | Award | +41,949 | – | – | 41,949 |
| Kay Sears Director | Jun 30, 2026 | Award | +29.8 | – | – | 30,114 |
| Louis M. Alterman Director | Jun 30, 2026 | Award | +37.7 | – | – | 13,810 |
| Thomas Fitzpatrick Director | Jun 30, 2026 | Award | +48.5 | – | – | 267,539 |
| Leon Anthony Frazier Director | Jun 30, 2026 | Award | +92.7 | – | – | 46,504 |
| Robert H. Niehaus Director | Jun 30, 2026 | Award | +377.7 | – | – | 316,910 |
| Monique S. Shivanandan Director | Jun 30, 2026 | Award | +43.5 | – | – | 15,939 |
| Jacqueline E. Yeaney Director | Jun 30, 2026 | Award | +29.8 | – | – | 25,340 |
| Eric T. Olson Director | Jun 30, 2026 | Award | +384.8 | – | – | 157,680 |
| Thomas C. Canfield Director | Jun 30, 2026 | Award | +639 | – | – | 234,294 |
| Scott Scheimreif EVP-Government Programs | Jun 1, 2026 | Tax withholding | −2,205 | $51.78 | $114.17K | 259,759 |
| Suzanne E. McBride Chief Operations Officer, Director | Jun 1, 2026 | Tax withholding | −3,622 | $51.78 | $187.55K | 367,471 |
| Timothy Kapalka CAO Iridium Satellite LLC | Jun 1, 2026 | Award | +4,175 | – | – | 49,204 |
| Timothy Kapalka CAO Iridium Satellite LLC | Jun 1, 2026 | Tax withholding | −692 | $51.78 | $35.83K | 45,029 |
| Matthew J. Desch Chief Executive Officer, Director | Jun 1, 2026 | Tax withholding | −9,583 | $51.78 | $496.21K | 1,451,017 |
| Kathleen A. Morgan Chief Legal Officer | Jun 1, 2026 | Tax withholding | −2,052 | $51.78 | $106.25K | 158,063 |
| Timothy James Last EVP, Sales & Marketing | Jun 1, 2026 | Tax withholding | −1,498 | $51.78 | $77.57K | 112,934 |
| Vincent James O'Neill Chief Financial Officer | Jun 1, 2026 | Tax withholding | −1,459 | $51.78 | $75.55K | 128,405 |
| Thomas C. Canfield Director | May 20, 2026 | Returned to company | −135.7 | – | – | 233,655 |
| Timothy Kapalka CAO Iridium Satellite LLC | Apr 6, 2026 | Sale(10b5-1 plan) | −2,043 | $33.00 | $67.42K | 45,721 |
| Timothy Kapalka CAO Iridium Satellite LLC | Apr 2, 2026 | Sale(10b5-1 plan) | −3,790 | $31.00 | $117.49K | 47,764 |
| Thomas C. Canfield Director | Mar 31, 2026 | Award | +1,257.4 | – | – | 233,791 |
| Thomas Fitzpatrick Director | Mar 31, 2026 | Award | +95.4 | – | – | 267,490 |
| Kay Sears Director | Mar 31, 2026 | Award | +58.5 | – | – | 30,084 |
| Jacqueline E. Yeaney Director | Mar 31, 2026 | Award | +58.5 | – | – | 25,310 |
| A. B. Krongard Director | Mar 31, 2026 | Award | +639.6 | – | – | 366,542 |
| Monique S. Shivanandan Director | Mar 31, 2026 | Award | +85.5 | – | – | 15,895 |
| Leon Anthony Frazier Director | Mar 31, 2026 | Award | +182.4 | – | – | 46,411 |
| Louis M. Alterman Director | Mar 31, 2026 | Award | +74.1 | – | – | 13,772 |
| Robert H. Niehaus Director | Mar 31, 2026 | Award | +742.9 | – | – | 316,533 |
Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.
Short interest
Shares sold short and not yet bought back, as of Oct 30, 2026 (FINRA, reported twice a month)
Short % of float
3.69%
3M shares short
Days to cover
4.4
At 1M shares a day
Change since last report
+3.3%
From 3M shares
Short volume, 20 days
47.7%
Of volume reported to FINRA
Shares sold short, last 12 months
Short sale volume counts trades marked short on any given day, including market-maker hedging, so it runs far higher than the share of Iridium Communications's stock actually held short. Settlement fails (shares not delivered on time) peaked at 330,040 shares on Oct 9, 2026 over the last 90 days.
Planned insider sales
Notices of proposed sale filed on Form 144 before shares are sold
| Seller | Filed | Shares | Market value | Planned sale | Acquired through |
|---|---|---|---|---|---|
| Matthew J. Desch Officer | Oct 26, 2026 | 10,700 | $473.37K | Oct 26, 2026 | Incentive Unit Conversion |
| Timothy James Last Officer | Sep 15, 2026 | 5,769 | $267.39K | Sep 15, 2026 | Restricted Stock |
| Timothy James Last Officer | Sep 3, 2026 | 2,013 | $95.34K | Sep 3, 2026 | Restricted Stock |
| Thomas Fitzpatrick Director | Aug 18, 2026 | 15,046 | $745.91K | Aug 18, 2026 | Employee Compensation |
| Suzanne E. McBride Officer, Director | Aug 17, 2026 | 85,454 | $4.30M | Aug 17, 2026 | Restricted Stock |
| Eric T. Olson Director | Aug 17, 2026 | 8,000 | $404.88K | Aug 17, 2026 | Restricted Stock |
| Thomas Fitzpatrick Director | Aug 17, 2026 | 209,233 | $10.51M | Aug 17, 2026 | Exercised Shares |
| Timothy James Last Officer | Aug 17, 2026 | 19,521 | $982.75K | Aug 17, 2026 | Restricted Stock |
| Kathleen A. Morgan Officer | Aug 17, 2026 | 33,192 | $1.67M | Aug 17, 2026 | Restricted Stock |
| Thomas Fitzpatrick Director | Oct 31, 2025 | 20,839 | $375.10K | Oct 31, 2025 | Restricted Stock |
| Thomas Fitzpatrick Director | Oct 28, 2025 | 6,797 | $122.38K | Oct 28, 2025 | Restricted Stock |
| Thomas Fitzpatrick Director | Oct 27, 2025 | 3,331 | $59.96K | Oct 27, 2025 | Restricted Stock |
| Eric T. Olson Director | Feb 18, 2025 | 4,955 | $168.63K | Feb 18, 2025 | RESTRICTED STOCK |
| Kathleen A. Morgan Officer | Feb 18, 2025 | 15,005 | $503.93K | Feb 18, 2025 | RESTRICTED STOCK |
| Thomas Fitzpatrick Director | Jan 10, 2025 | 12,500 | $356.64K | Jan 10, 2025 | Stock Option Exercise |
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