IRIDIUM COMMUNICATIONS INC — institutional ownership

3 funds reported holding IRIDIUM COMMUNICATIONS INC in their latest 13F filings, worth $13.4M in total (CUSIP 46269C902).

Largest holders

1. GROUP ONE TRADING LLC — $6.47M
2. IMC-Chicago, LLC — $4.80M
3. SIMPLEX TRADING, LLC — $2.13M