MONOLITHIC PWR SYS INC — institutional ownership

4 funds reported holding MONOLITHIC PWR SYS INC in their latest 13F filings, worth $87.9M in total (CUSIP 609839955).

Largest holders

1. IMC-Chicago, LLC — $65.0M
2. HRT FINANCIAL LP — $17.6M
3. SIMPLEX TRADING, LLC — $2.90M
4. GROUP ONE TRADING LLC — $2.49M