SpiderRock Trading LLC - UNION PAC CORP ownership

UNION PAC CORP's ticker is and the CUSIP is 90781810. A total of 4 filers reported holding UNION PAC CORP in Q2 2014. The put-call ratio across all filers is - and the average weighting 0.4%.

Quarter-by-quarter ownership
SpiderRock Trading LLC ownership history of UNION PAC CORP
ValueSharesWeighting
Q2 2014$145,000
+119.7%
1,460
+192.0%
0.63%
+74.8%
Q4 2013$66,000
+312.5%
500
+400.0%
0.36%
+272.2%
Q3 2013$16,000
+700.0%
100
-83.3%
0.10%
+506.2%
Q2 2013$2,0006000.02%
Other shareholders
UNION PAC CORP shareholders Q2 2014
NameSharesValueWeighting ↓
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 1,680,148$200,156,0001.14%
ID Management A/S 8,800$1,048,0000.49%
INGALLS & SNYDER LLC 48,957$5,832,0000.34%
RBO & CO LLC 2,047$244,0000.08%
View complete list of UNION PAC CORP shareholders