Castleark Management LLC
- SEC CIK
- 0001106832
- Latest filing
- Aug 14, 2026
IRDM holding history
Iridium Communications Inc. in every 13F filed by Castleark Management LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.
IRDM overviewAll 13F holders of IRDMFull Q2 2026 holdings
- Shares (Q4 2023)
- 0
- Sold out in Q4 2023
- Value
- $0
- % of portfolio
- 0.0%
- Quarters held
- 3
- Since Q1 2023
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q4 2023 | 0 | $0 | 0.0% | −35,540−100.0% | Sold out | Holders |
| Q3 2023 | 35,540 | $1.62M | 0.1% | −77,230−68.5% | Reduced | Holders |
| Q2 2023 | 112,770 | $7.01M | 0.3% | +12,480+12.4% | Added | Holders |
| Q1 2023 | 100,290 | $6.21M | 0.3% | +100,290 | New | Holders |