| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| BlackRock, Inc. | 12% | +29% | $227,206,119 | +$45,208,925 | 13,072,774 | +25% | BlackRock, Inc. | 31 Dec 2025 |
| Baralonco Ltd | 10% | +3.6% | $180,690,709 | 10,432,489 | 0% | Baralonco Limited | 24 Nov 2025 | |
| ARK Investment Management LLC | 3.9% | -36% | $68,710,210 | -$39,609,693 | 4,116,849 | -37% | ARK Investment Management LLC | 30 Nov 2025 |
| BAMCO INC /NY/ | 0.65% | -89% | $11,924,936 | -$134,353,321 | 682,986 | -92% | Baron Capital Group, Inc. | 30 Sep 2025 |
As of 30 Sep 2025, 316 institutional investors reported holding 100,135,157 shares of Iridium Communications Inc. - Common Stock (IRDM). This represents 96% of the company’s total 104,582,192 outstanding shares.
The largest institutional shareholders of Iridium Communications Inc. - Common Stock (IRDM) together control 71% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BlackRock, Inc. | 11% | 10,995,964 | +3.6% | 0% | $191,989,540 |
| VANGUARD GROUP INC | 9.1% | 9,479,969 | -2.7% | 0% | $165,520,259 |
| ARK Investment Management LLC | 6.2% | 6,490,108 | +22% | 0.67% | $113,317,286 |
| Silver Heights Capital Management Inc | 5% | 5,189,703 | +23% | 41% | $90,612,214 |
| Sumitomo Mitsui Trust Group, Inc. | 4.2% | 4,343,670 | +0.65% | 0.04% | $75,840,478 |
| Amova Asset Management Americas, Inc. | 4.1% | 4,313,080 | +0.06% | 0.73% | $75,263,246 |
| STATE STREET CORP | 3.9% | 4,035,893 | -0.99% | 0% | $70,466,692 |
| MILLENNIUM MANAGEMENT LLC | 2.9% | 3,039,731 | +266% | 0.04% | $53,073,703 |
| AMERICAN CENTURY COMPANIES INC | 2.8% | 2,878,902 | +9% | 0.03% | $50,265,671 |
| DIMENSIONAL FUND ADVISORS LP | 2.2% | 2,327,395 | -9% | 0.01% | $40,634,023 |
| Man Group plc | 1.9% | 2,012,077 | +226% | 0.07% | $35,130,865 |
| GOLDMAN SACHS GROUP INC | 1.8% | 1,914,267 | +1431% | 0% | $33,423,107 |
| MORGAN STANLEY | 1.8% | 1,838,230 | -26% | 0% | $32,095,513 |
| Pacer Advisors, Inc. | 1.7% | 1,744,095 | +75% | 0.08% | $30,451,899 |
| GEODE CAPITAL MANAGEMENT, LLC | 1.6% | 1,703,977 | -11% | 0% | $29,758,004 |
| CITADEL ADVISORS LLC | 1.6% | 1,649,843 | +36% | 0.02% | $28,806,258 |
| BANK OF AMERICA CORP /DE/ | 1.5% | 1,581,142 | +125% | 0% | $27,606,742 |
| UBS Group AG | 1.3% | 1,368,527 | +87% | 0% | $23,894,481 |
| Bank of New York Mellon Corp | 1% | 1,071,996 | -6% | 0% | $18,717,042 |
| Select Equity Group, L.P. | 1% | 1,061,453 | +6% | 0.08% | $18,532,969 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1% | 1,045,074 | +1.7% | 0% | $18,246,992 |
| NORTHERN TRUST CORP | 1% | 1,043,569 | -36% | 0% | $18,220,715 |
| SCHRODER INVESTMENT MANAGEMENT GROUP | 0.95% | 992,553 | -52% | 0.01% | $17,151,316 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 0.9% | 937,581 | +148% | 0.01% | $16,370,164 |
| Invesco Ltd. | 0.85% | 887,349 | +25% | 0% | $15,493,113 |
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q4 | 388,071 | $6,797,026 | -$460,932 | $17.38 | 13 |
| 2025 Q3 | 100,135,157 | $1,748,611,151 | -$104,859,826 | $17.46 | 316 |
| 2025 Q2 | 101,583,259 | $3,064,832,693 | -$36,316,985 | $30.17 | 327 |
| 2025 Q1 | 103,241,450 | $2,820,301,419 | +$75,305,788 | $27.32 | 347 |
| 2024 Q4 | 100,200,764 | $2,908,022,962 | +$52,351,017 | $29.02 | 347 |
| 2024 Q3 | 97,432,209 | $2,967,783,084 | -$81,611,819 | $30.45 | 349 |
| 2024 Q2 | 101,329,509 | $2,697,447,834 | -$56,691,349 | $26.62 | 342 |
| 2024 Q1 | 103,348,438 | $2,704,515,964 | -$119,322,775 | $26.16 | 324 |
| 2023 Q4 | 103,205,853 | $4,247,740,866 | -$460,732 | $41.16 | 340 |
| 2023 Q3 | 101,964,207 | $4,638,610,036 | -$102,595,198 | $45.49 | 355 |
| 2023 Q2 | 103,022,157 | $6,399,379,438 | -$154,978,884 | $62.12 | 386 |
| 2023 Q1 | 105,571,361 | $6,537,223,591 | +$92,687,558 | $61.93 | 363 |
| 2022 Q4 | 104,741,649 | $5,384,780,367 | -$112,566,066 | $51.40 | 357 |
| 2022 Q3 | 107,098,158 | $4,751,139,964 | -$97,843,227 | $44.37 | 322 |
| 2022 Q2 | 109,052,661 | $4,094,200,810 | +$2,258,085 | $37.56 | 299 |
| 2022 Q1 | 109,628,926 | $4,416,065,614 | -$230,001,568 | $40.32 | 303 |
| 2021 Q4 | 115,467,289 | $4,756,559,180 | +$39,833,282 | $41.29 | 302 |
| 2021 Q3 | 114,316,694 | $4,555,683,260 | +$48,265,659 | $39.85 | 300 |
| 2021 Q2 | 113,043,098 | $4,520,682,821 | +$175,671,528 | $39.99 | 271 |
| 2021 Q1 | 108,779,424 | $4,479,864,642 | -$174,605,446 | $41.25 | 295 |
| 2020 Q4 | 112,949,087 | $4,436,586,915 | +$94,399,900 | $39.32 | 262 |
| 2020 Q3 | 111,118,123 | $2,841,967,822 | -$23,482,072 | $25.58 | 244 |
| 2020 Q2 | 111,970,037 | $2,845,652,469 | +$61,090,077 | $25.44 | 244 |
| 2020 Q1 | 110,180,702 | $2,460,443,024 | +$49,978,101 | $22.33 | 246 |
| 2019 Q4 | 107,392,683 | $2,646,473,160 | +$98,596,910 | $24.64 | 255 |
| 2019 Q3 | 103,400,226 | $2,200,650,034 | +$43,529,102 | $21.28 | 249 |
| 2019 Q2 | 101,331,959 | $2,357,009,040 | +$119,154,477 | $23.26 | 239 |
| 2019 Q1 | 96,867,731 | $2,561,313,700 | +$11,432,991 | $26.44 | 250 |
| 2018 Q4 | 96,697,001 | $1,783,919,024 | -$9,708,500 | $18.45 | 229 |
| 2018 Q3 | 96,945,184 | $2,180,868,555 | -$11,741,997 | $22.50 | 211 |
| 2018 Q2 | 97,688,852 | $1,572,986,657 | -$43,754,934 | $16.10 | 204 |
| 2018 Q1 | 101,347,086 | $1,141,950,724 | -$749,165 | $11.25 | 193 |
| 2017 Q4 | 92,106,914 | $1,086,921,304 | -$9,355,151 | $11.80 | 192 |
| 2017 Q3 | 92,882,176 | $956,868,672 | -$1,581,774 | $10.30 | 175 |
| 2017 Q2 | 92,970,918 | $1,023,386,148 | +$7,697,529 | $11.05 | 186 |
| 2017 Q1 | 92,405,574 | $891,374,559 | +$141,243,526 | $9.65 | 176 |
| 2016 Q4 | 89,400,257 | $858,325,272 | +$10,486,472 | $9.60 | 182 |
| 2016 Q3 | 94,368,657 | $765,360,381 | +$26,592,460 | $8.11 | 160 |
| 2016 Q2 | 91,037,720 | $808,232,935 | +$40,728,078 | $8.88 | 160 |
| 2016 Q1 | 87,070,292 | $685,054,912 | +$8,581,350 | $7.87 | 160 |
| 2015 Q4 | 85,916,015 | $722,514,457 | -$17,686,059 | $8.41 | 166 |
| 2015 Q3 | 88,415,283 | $544,162,303 | +$11,508,034 | $6.15 | 163 |
| 2015 Q2 | 86,023,720 | $782,010,454 | +$36,128,881 | $9.09 | 166 |
| 2015 Q1 | 82,018,699 | $796,147,833 | +$97,492,050 | $9.71 | 162 |
| 2014 Q4 | 72,006,698 | $701,515,402 | +$3,218,370 | $9.75 | 151 |
| 2014 Q3 | 71,596,059 | $633,638,210 | +$27,107,497 | $8.85 | 130 |
| 2014 Q2 | 68,593,076 | $579,990,195 | +$189,651,156 | $8.46 | 126 |
| 2014 Q1 | 46,263,371 | $347,324,534 | +$7,491,950 | $7.51 | 113 |