IRIDIUM COMMUNICATIONS INC's ticker is IRDM and the CUSIP is 46269C102. A total of 202 filers reported holding IRIDIUM COMMUNICATIONS INC in Q1 2018. The put-call ratio across all filers is 10.27 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2020 | $258,000 | +529.3% | 6,555 | +309.7% | 0.00% | +200.0% |
| Q2 2020 | $41,000 | -66.1% | 1,600 | -70.4% | 0.00% | -50.0% |
| Q1 2020 | $121,000 | -10.4% | 5,400 | 0.0% | 0.00% | +100.0% |
| Q4 2019 | $135,000 | +17.4% | 5,400 | 0.0% | 0.00% | 0.0% |
| Q3 2019 | $115,000 | -8.7% | 5,400 | 0.0% | 0.00% | 0.0% |
| Q2 2019 | $126,000 | -11.9% | 5,400 | 0.0% | 0.00% | -50.0% |
| Q1 2019 | $143,000 | -12.8% | 5,400 | -26.0% | 0.00% | 0.0% |
| Q3 2018 | $164,000 | +39.0% | 7,300 | 0.0% | 0.00% | +100.0% |
| Q2 2018 | $118,000 | +321.4% | 7,300 | +192.0% | 0.00% | – |
| Q1 2018 | $28,000 | -78.3% | 2,500 | -77.1% | 0.00% | -100.0% |
| Q4 2017 | $129,000 | +15.2% | 10,900 | 0.0% | 0.00% | 0.0% |
| Q3 2017 | $112,000 | -6.7% | 10,900 | 0.0% | 0.00% | 0.0% |
| Q2 2017 | $120,000 | +11900.0% | 10,900 | +23091.5% | 0.00% | – |
| Q1 2017 | $1,000 | 0.0% | 47 | 0.0% | 0.00% | – |
| Q4 2016 | $1,000 | 0.0% | 47 | +34.3% | 0.00% | – |
| Q2 2016 | $1,000 | 0.0% | 35 | 0.0% | 0.00% | – |
| Q1 2016 | $1,000 | 0.0% | 35 | 0.0% | 0.00% | – |
| Q4 2015 | $1,000 | -99.9% | 35 | -100.0% | 0.00% | -100.0% |
| Q2 2015 | $1,060,000 | -6.3% | 116,609 | 0.0% | 0.01% | 0.0% |
| Q1 2015 | $1,131,000 | -0.5% | 116,609 | 0.0% | 0.01% | 0.0% |
| Q4 2014 | $1,137,000 | – | 116,609 | – | 0.01% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| T2 Partners Management, LP | 357,559 | $2,460,000 | 3.88% |
| Avenir Corp | 3,959,583 | $27,242,000 | 2.63% |
| Van Berkom & Associates Inc. | 3,755,438 | $25,837,000 | 1.66% |
| Irving Magee Investment Management | 438,919 | $3,020,000 | 1.53% |
| STERLING INVESTMENT MANAGEMENT, LLC | 540,144 | $3,716,000 | 1.19% |
| Leonard Capital Management, Inc. | 428,482 | $2,948,000 | 1.17% |
| GRUBER & MCBAINE CAPITAL MANAGEMENT LLC | 508,188 | $3,496,000 | 1.05% |
| Trigran Investments, Inc. | 295,514 | $2,033,000 | 0.96% |
| T2 Partners Management, LP | 50,200 | $345,000 | 0.54% |
| RICE HALL JAMES & ASSOCIATES, LLC | 740,369 | $5,094,000 | 0.49% |