ILLINOIS TOOL WKS INC — institutional ownership

3 funds reported holding ILLINOIS TOOL WKS INC in their latest 13F filings, worth $19.5M in total (CUSIP 452308909).

Largest holders

1. IMC-Chicago, LLC — $17.7M
2. SIMPLEX TRADING, LLC — $1.57M
3. GROUP ONE TRADING LLC — $189K