AEHR TEST SYS — institutional ownership

4 funds reported holding AEHR TEST SYS in their latest 13F filings, worth $79.9M in total (CUSIP 00760J908).

Largest holders

1. IMC-Chicago, LLC — $45.0M
2. GROUP ONE TRADING LLC — $31.7M
3. SIMPLEX TRADING, LLC — $2.36M
4. HRT FINANCIAL LP — $845K