POWELL INDS INC — institutional ownership

4 funds reported holding POWELL INDS INC in their latest 13F filings, worth $52.2M in total (CUSIP 739128906).

Largest holders

1. IMC-Chicago, LLC — $40.6M
2. SIMPLEX TRADING, LLC — $6.36M
3. GROUP ONE TRADING LLC — $5.04M
4. JPMORGAN CHASE & CO (JPM, AMJB, VYLD, JPM-PC, JPM-PD, JPM-PJ, JPM-PK, JPM-PL, JPM-PM) — $225K