SIMPLEX TRADING, LLC - CLIFFS NAT RES INC ownership

CLIFFS NAT RES INC's ticker is and the CUSIP is 18683K951. A total of 10 filers reported holding CLIFFS NAT RES INC in Q3 2015. The put-call ratio across all filers is - and the average weighting 0.1%.

Quarter-by-quarter ownership
SIMPLEX TRADING, LLC ownership history of CLIFFS NAT RES INC
ValueSharesWeighting
Q2 2017$465,000
-22.5%
1,908
-43.9%
0.02%
-23.1%
Q1 2017$600,000
+143.9%
3,402
+160.7%
0.03%
+73.3%
Q4 2016$246,000
+129.9%
1,305
+22.5%
0.02%
+114.3%
Q3 2016$107,000
-75.1%
1,065
-25.2%
0.01%
-75.9%
Q2 2016$430,000
-13.0%
1,423
+169.0%
0.03%
-25.6%
Q1 2016$494,000
+4.9%
529
+2.5%
0.04%
+5.4%
Q4 2015$471,000
-11.1%
516
+62.3%
0.04%
-5.1%
Q3 2015$530,000
+14.0%
318
+18.7%
0.04%0.0%
Q2 2015$465,000
-23.5%
268
-53.1%
0.04%
-45.1%
Q1 2015$608,000
-44.5%
571
-62.8%
0.07%
-46.6%
Q4 2014$1,096,0001,5350.13%
Other shareholders
CLIFFS NAT RES INC shareholders Q3 2015
NameSharesValueWeighting ↓
AlphaMark Advisors, LLC 390$148,0000.09%
KNIGHT CAPITAL GROUP LLC 202,400$3,289,0000.06%
Marathon Trading Investment Management LLC 40,000$648,0000.04%
Timber Hill LLC 445,800$7,244,0000.03%
Citadel Advisors 534,000$8,678,0000.02%
GROUP ONE TRADING, L.P. 38,000$618,0000.02%
Apollo Management Holdings, L.P. 100,000$1,625,0000.01%
LOEWS CORP 100,000$1,625,0000.01%
SG Americas Securities, LLC 108,200$461,0000.00%
View complete list of CLIFFS NAT RES INC shareholders