ECOLAB INC — institutional ownership

4 funds reported holding ECOLAB INC in their latest 13F filings, worth $24.5M in total (CUSIP 278865900).

Largest holders

1. IMC-Chicago, LLC — $14.5M
2. SIMPLEX TRADING, LLC — $6.66M
3. GROUP ONE TRADING LLC — $3.15M
4. JPMORGAN CHASE & CO (JPM, AMJB, VYLD, JPM-PC, JPM-PD, JPM-PJ, JPM-PK, JPM-PL, JPM-PM) — $195K