VAUGHAN NELSON INVESTMENT MANAGEMENT, L.P.: CCOI [Rocket]

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VAUGHAN NELSON INVESTMENT MANAGEMENT, L.P. > CCOI

Date	Name	Ticker	Shares	Change	Value	Change	Price
06/30/2023	COGENT COMMUNICATIONS HOLDINGS, INC.	CCOI	2,146,436	107,106	144,434,000	28,029,000	$67.29
12/31/2022	COGENT COMMUNICATIONS HOLDINGS, INC.	CCOI	2,039,330	73,253	116,405,000	-3,054,000	$57.08
06/30/2022	COGENT COMMUNICATIONS HOLDINGS, INC.	CCOI	1,966,077	179,771	119,459,000	937,000	$60.76
03/31/2022	COGENT COMMUNICATIONS HOLDINGS, INC.	CCOI	1,786,306	33,171	118,522,000	-9,773,000	$66.35
12/31/2021	COGENT COMMUNICATIONS HOLDINGS, INC.	CCOI	1,753,135	38,336	128,295,000	-3,556,000	$73.18
06/30/2021	COGENT COMMUNICATIONS HOLDINGS, INC.	CCOI	1,714,799	165,992	131,851,000	25,354,000	$76.89
03/31/2021	COGENT COMMUNICATIONS HOLDINGS, INC.	CCOI	1,548,807	218,203	106,497,000	26,834,000	$68.76
12/31/2020	COGENT COMMUNICATIONS HOLDINGS, INC.	CCOI	1,330,604	490,054	79,663,000	29,188,000	$59.87
09/30/2020	COGENT COMMUNICATIONS HOLDINGS, INC.	CCOI	840,550	180,570	50,475,000	-581,000	$60.05
06/30/2020	COGENT COMMUNICATIONS HOLDINGS, INC.	CCOI	659,980	17,935	51,056,000	-1,573,000	$77.36
03/31/2020	COGENT COMMUNICATIONS HOLDINGS, INC.	CCOI	642,045	642,045	52,629,000	52,629,000	$81.97
09/30/2013	COGENT COMMUNICATIONS HOLDINGS, INC.	CCOI	0	-418,823	0	-11,790,000
06/30/2013	COGENT COMMUNICATIONS HOLDINGS, INC.	CCOI	418,823	-553,227	11,790,000	-10,217,000	$28.15
03/31/2013	COGENT COMMUNICATIONS HOLDINGS, INC.	CCOI	923,408	-48,642	24,378,000	2,371,000	$26.40
12/31/2012	COGENT COMMUNICATIONS HOLDINGS, INC.	CCOI	972,050	-533,280	22,007,000	-12,600,000	$22.64
09/30/2012	COGENT COMMUNICATIONS HOLDINGS, INC.	CCOI	1,505,330	-1,730,860	34,607,000	-27,657,000	$22.99
06/30/2012	COGENT COMMUNICATIONS HOLDINGS, INC.	CCOI	3,236,190	908,900	62,264,000	17,860,000	$19.24
03/31/2012	COGENT COMMUNICATIONS HOLDINGS, INC.	CCOI	2,327,290	2,327,290	44,404,000	44,404,000	$19.08
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