UNION PAC CORP's ticker is and the CUSIP is 907818908. A total of 4 filers reported holding UNION PAC CORP in Q2 2013. The put-call ratio across all filers is - and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2013 | $16,971,000 | – | 110,000 | – | 0.32% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Twin Tree Management, LP | 232,900 | $47,425,428 | 0.11% |
| SIMPLEX TRADING, LLC | 583,700 | $118,858 | 0.09% |
| JANE STREET GROUP, LLC | 896,000 | $182,452,480 | 0.06% |
| IMC-Chicago, LLC | 179,500 | $36,551,585 | 0.03% |
| Allianz Asset Management GmbH | 39,100 | $7,961,933 | 0.01% |
| Maven Securities LTD | 4,200 | $855,246 | 0.01% |
| Garda Capital Partners LP | 1,000 | $203,630 | 0.01% |
| GROUP ONE TRADING, L.P. | 12,300 | $2,504,649 | 0.01% |
| SG Americas Securities, LLC | 185,300 | $496 | 0.01% |
| JPMORGAN CHASE & CO | 76,800 | $15,638,784 | 0.00% |