Citadel Advisors - COGENT COMMUNICATIONS HLDGS ownership

COGENT COMMUNICATIONS HLDGS's ticker is and the CUSIP is 19239V952. A total of 2 filers reported holding COGENT COMMUNICATIONS HLDGS in Q4 2014. The put-call ratio across all filers is - and the average weighting 0.0%.

Quarter-by-quarter ownership
Citadel Advisors ownership history of COGENT COMMUNICATIONS HLDGS
ValueSharesWeighting
Q2 2016$389,000
+66.2%
9,700
+61.7%
0.00%
Q1 2016$234,000
+43.6%
6,000
+27.7%
0.00%
Q4 2015$163,000
-54.6%
4,700
-64.4%
0.00%
Q3 2015$359,000
-57.9%
13,200
-47.6%
0.00%
-100.0%
Q2 2015$853,000
+97.9%
25,200
+106.6%
0.00%
Q1 2015$431,000
+1131.4%
12,200
+1120.0%
0.00%
Q4 2014$35,000
+29.6%
1,000
+25.0%
0.00%
Q3 2014$27,000
-54.2%
800
-52.9%
0.00%
Q2 2014$59,000
-24.4%
1,700
-22.7%
0.00%
Q1 2014$78,000
-56.2%
2,200
-50.0%
0.00%
Q4 2013$178,000
+456.2%
4,400
+340.0%
0.00%
Q3 2013$32,000
-70.1%
1,000
-73.7%
0.00%
Q2 2013$107,0003,8000.00%
Other shareholders
COGENT COMMUNICATIONS HLDGS shareholders Q4 2014
NameSharesValueWeighting ↓
GROUP ONE TRADING, L.P. 1,000$60,0000.00%
SIMPLEX TRADING, LLC 9$53,0000.00%
CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0$00.00%
View complete list of COGENT COMMUNICATIONS HLDGS shareholders