OUSTER INC — institutional ownership

4 funds reported holding OUSTER INC in their latest 13F filings, worth $40.2M in total (CUSIP 68989M952).

Largest holders

1. IMC-Chicago, LLC — $22.8M
2. GROUP ONE TRADING LLC — $9.44M
3. SIMPLEX TRADING, LLC — $7.56M
4. HRT FINANCIAL LP — $337K