PDT Partners, LLC
- SEC CIK
- 0001564702
- Latest filing
- Aug 14, 2026
IRDM holding history
Iridium Communications Inc. in every 13F filed by PDT Partners, 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 (Q2 2026)
- 138,207
- Value
- $7.58M
- % of portfolio
- 0.4%
- Quarters held
- 8
- Since Q1 2022
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q2 2026 | 138,207 | $7.58M | 0.4% | 00.0% | Unchanged | Holders |
| Q1 2026 | 138,207 | $3.83M | 0.2% | 00.0% | Unchanged | Holders |
| Q4 2025 | 138,207 | $2.40M | 0.2% | +47,981+53.2% | Added | Holders |
| Q3 2025 | 90,226 | $1.58M | 0.1% | +90,226 | New | Holders |
| Q1 2023 | 0 | $0 | 0.0% | −21,539−100.0% | Sold out | Holders |
| Q4 2022 | 21,539 | $1.11M | 0.2% | −18−0.1% | Reduced | Holders |
| Q3 2022 | 21,557 | $956.0K | 0.1% | −10,812−33.4% | Reduced | Holders |
| Q2 2022 | 32,369 | $1.22M | 0.1% | −4,863−13.1% | Reduced | Holders |
| Q1 2022 | 37,232 | $1.50M | 0.1% | +37,232 | New | Holders |