Castleark Management’s Cogent Communications CCOI Stock Holding History

Castleark Management’s Portfolio CCOI Stock Details CCOI Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2016 Q3	–	Sell	-359,509	Closed	-$14.4M	–	381
2016 Q2	$14.4M	Sell	359,509 -6,950	-2%	-$273K	0.46%	56
2016 Q1	$14.3M	Buy	366,459 +13,959	+4%	+$484K	0.45%	53
2015 Q4	$12.2M	Buy	+352,500	New	+$11.4M	0.37%	71
2014 Q4	–	Sell	-221,022	Closed	-$7.85M	–	347
2014 Q3	$7.85M	Buy	221,022 +92,350	+72%	+$3.15M	0.22%	109
2014 Q2	$4.45M	Sell	128,672 -92,350	-42%	-$3.27M	0.12%	170
2014 Q1	$7.85M	Buy	221,022 +3,791	+2%	+$148K	0.22%	109
2013 Q4	$8.78M	Buy	+217,231	New	+$7.91M	0.25%	64
2013 Q3	–	Sell	-144,325	Closed	-$4.06M	–	354
2013 Q2	$4.06M	Buy	+144,325	New	+$4.03M	0.13%	120

Other funds holding CCOI

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

FCM

Frontier Capital Management Boston, Massachusetts $9.73B AUM 55.65% 1-Year Est. Return

BFA

BlackRock Fund Advisors San Francisco, California $542B AUM 18.13% 1-Year Est. Return

Jennison Associates New York $145B AUM 34.61% 1-Year Est. Return

Brown Advisory Baltimore, Maryland $60.9B AUM 15.24% 1-Year Est. Return

Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

MIG Capital Newport Beach, California $589M AUM 25.96% 1-Year Est. Return

Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return

Castleark Management's CCOI Position: Q3 2016 in Review

Castleark Management sold out of Cogent Communications (CCOI) in Q3 2016, closing a stake of 359,509 shares — an estimated $14.4M sold.

Castleark Management first reported a position in CCOI in Q2 2013 and held it in 8 quarters. The position peaked at $14.4M in Q2 2016. 189 funds tracked by Wall St. Rank hold CCOI as of Q3 2016.

Castleark Management reported no remaining Cogent Communications position as of Q3 2016 after selling out during the quarter.
Castleark Management sold 359,509 Cogent Communications shares in Q3 2016, an estimated $14.4M.
Castleark Management first reported a position in Cogent Communications in Q2 2013 and held it in 8 quarters.
Castleark Management's Cogent Communications position peaked at $14.4M in Q2 2016.
189 funds tracked by Wall St. Rank held Cogent Communications as of Q3 2016.

Based on Castleark Management's 13F filing for Q3 2016, filed 15 Nov 2016.