UNION PAC CORP — institutional ownership

6 funds reported holding UNION PAC CORP in their latest 13F filings, worth $176M in total (CUSIP 907818908).

Largest holders

1. IMC-Chicago, LLC — $90.0M
2. GROUP ONE TRADING LLC — $34.9M
3. SIMPLEX TRADING, LLC — $25.5M
4. JPMORGAN CHASE & CO (JPM, AMJB, VYLD, JPM-PC, JPM-PD, JPM-PJ, JPM-PK, JPM-PL, JPM-PM) — $14.7M
5. HRT FINANCIAL LP — $10.7M
6. SG Americas Securities, LLC — $225K