QUANTA SVCS INC — institutional ownership

6 funds reported holding QUANTA SVCS INC in their latest 13F filings, worth $148M in total (CUSIP 74762E902).

Largest holders

1. IMC-Chicago, LLC — $106M
2. NATIONAL BANK OF CANADA /FI/ — $28.8M
3. SIMPLEX TRADING, LLC — $10.1M
4. GROUP ONE TRADING LLC — $1.58M
5. SG Americas Securities, LLC — $1.34M
6. OSAIC HOLDINGS, INC. — $33.9K