Which hedge funds own IRDM? IRIDIUM COMMUNICATIONS INC, Q2 2026 13F holders
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9 of the hedge funds tracked by WhaleCreep disclosed a position in IRDM (IRIDIUM COMMUNICATIONS INC) in their Q2 2026 13F filings, worth $77.1m in total. The largest holder by portfolio weight is Sculptor Capital Management at 0.3% of its book. 4 managers opened a new position this quarter: Sculptor Capital Management, Moore Capital Management, Brevan Howard Capital Management, Woodline Partners. 3 exited: Ancora Advisors, Holocene Advisors, Marshall Wace.
9tracked managers holding
4opened this quarter
3exited this quarter
Which hedge funds hold IRDM? Current holders by portfolio weight
| Manager | As of | Weight of book | Value | Shares | Δ shares | Action |
|---|---|---|---|---|---|---|
| Sculptor Capital Management | Q2 2026 | 0.3% | $25.7m | 469,000 | – | new |
| Renaissance Technologies LLC | Q2 2026 | 0.0% | $33.4m | 609,799 | 376% | added |
| Moore Capital Management | Q2 2026 | 0.0% | $1.6m | 30,000 | – | new |
| Brevan Howard Capital Management | Q2 2026 | 0.0% | $867.2k | 15,811 | – | new |
| Bridgewater Associates | Q2 2026 | 0.0% | $2.4m | 43,538 | -59% | reduced |
| Woodline Partners | Q2 2026 | 0.0% | $2.4m | 43,000 | – | new |
| Millennium Management | Q2 2026 | 0.0% | $8.4m | 153,205 | -69% | reduced |
| D. E. Shaw & Co | Q2 2026 | 0.0% | $2.1m | 39,103 | -53% | reduced |
| Point72 Asset Management LP | Q2 2026 | 0.0% | $78.6k | 1,433 | -99% | reduced |
Exited since the previous quarter
| Manager | Prior weight | Prior value |
|---|---|---|
| Ancora Advisors | 0.0% | $26.8k |
| Holocene Advisors | 0.1% | $4.1m |
| Marshall Wace | 0.0% | $690.6k |
How has hedge fund ownership of IRDM changed?
| Quarter | Managers holding | Combined value |
|---|---|---|
| Q2 2026 | 9 | $77.1m |
| Q1 2026 | 10 | $32.8m |
| Q4 2025 | 5 | $25.7m |
| Q3 2025 | 3 | $16.0m |
| Q2 2025 | 2 | $5.9m |
| Q1 2025 | 5 | $19.0m |
| Q4 2024 | 3 | $12.0m |
| Q3 2024 | 4 | $13.0m |
| Q2 2024 | 2 | $7.9m |
| Q1 2024 | 4 | $20.8m |
| Q4 2023 | 3 | $27.9m |
| Q3 2023 | 5 | $25.5m |
| Q2 2023 | 3 | $27.8m |
| Q1 2023 | 2 | $37.9m |
| Q4 2022 | 3 | $30.0m |
| Q3 2022 | 3 | $24.4m |
Counts every tracked manager that disclosed IRDM in that quarter's filing, including managers that have since stopped filing.