SPOK HLDGS INC — institutional ownership
2 funds reported holding SPOK HLDGS INC in their latest 13F filings, worth $92.2K in total (CUSIP 84863T906).
Largest holders
- SIMPLEX TRADING, LLC — $58.4K
- GROUP ONE TRADING LLC — $33.8K
2 funds reported holding SPOK HLDGS INC in their latest 13F filings, worth $92.2K in total (CUSIP 84863T906).