GROUP ONE TRADING, L.P. - E M C CORP MASS ownership

E M C CORP MASS's ticker is and the CUSIP is 268648952. A total of 8 filers reported holding E M C CORP MASS in Q4 2014. The put-call ratio across all filers is - and the average weighting 1.2%.

Quarter-by-quarter ownership
GROUP ONE TRADING, L.P. ownership history of E M C CORP MASS
ValueSharesWeighting
Q2 2016$38,350,000
+35.4%
1,411,500
+32.8%
0.45%
+13.5%
Q1 2016$28,332,000
+223.7%
1,063,100
+211.9%
0.40%
+288.3%
Q4 2015$8,752,000
+1875.6%
340,800
+2187.2%
0.10%
+1371.4%
Q4 2014$443,000
+148.9%
14,900
+144.3%
0.01%
+133.3%
Q3 2014$178,0006,1000.00%
Other shareholders
E M C CORP MASS shareholders Q4 2014
NameSharesValueWeighting ↓
SAC Capital Advisors LP 500,000$11,810,0000.06%
KNIGHT CAPITAL GROUP LLC 75,100$1,774,0000.03%
COMMERZBANK AKTIENGESELLSCHAFT /FI 253,900$5,997,0000.03%
Timber Hill LLC 288,200$6,807,0000.02%
Citadel Advisors 547,600$12,934,0000.02%
Assured Investment Management LLC 3,854$407,0000.02%
SG Americas Securities, LLC 397,200$117,0000.00%
View complete list of E M C CORP MASS shareholders