News + Filings Holdings
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Century Capital Management, LLC
> CCOI
| Date | Name | Ticker | Shares | Change | Value | Change | Price |
| 06/30/2017 | COGENT COMMUNICATIONS HOLDINGS, INC. | CCOI | 24,715 | -14,998 | 991,000 | -719,000 | $40.10 |
| 03/31/2017 | COGENT COMMUNICATIONS HOLDINGS, INC. | CCOI | 39,713 | -86,977 | 1,710,000 | -3,529,000 | $43.06 |
| 12/31/2016 | COGENT COMMUNICATIONS HOLDINGS, INC. | CCOI | 126,690 | -21,280 | 5,239,000 | -208,000 | $41.35 |
| 09/30/2016 | COGENT COMMUNICATIONS HOLDINGS, INC. | CCOI | 147,970 | -31,882 | 5,447,000 | -1,573,000 | $36.81 |
| 06/30/2016 | COGENT COMMUNICATIONS HOLDINGS, INC. | CCOI | 179,000 | -852 | 7,171,000 | 151,000 | $40.06 |
| 03/31/2016 | COGENT COMMUNICATIONS HOLDINGS, INC. | CCOI | 179,852 | 179,852 | 7,020,000 | 7,020,000 | $39.03 |
| 12/31/2015 | COGENT COMMUNICATIONS HOLDINGS, INC. | CCOI | 216,074 | 163,976 | 7,496,000 | 6,081,000 | $34.69 |
| 09/30/2015 | COGENT COMMUNICATIONS HOLDINGS, INC. | CCOI | 52,098 | 52,098 | 1,415,000 | 1,415,000 | $27.16 |
| 06/30/2015 | COGENT COMMUNICATIONS HOLDINGS, INC. | CCOI | 0 | -142,061 | 0 | -5,019,000 | |
| 03/31/2015 | COGENT COMMUNICATIONS HOLDINGS, INC. | CCOI | 158,748 | 0 | 5,618,000 | 0 | $35.39 |
| 12/31/2014 | COGENT COMMUNICATIONS HOLDINGS, INC. | CCOI | 158,748 | 34,774 | 5,618,000 | 1,451,000 | $35.39 |
| 09/30/2014 | COGENT COMMUNICATIONS HOLDINGS, INC. | CCOI | 123,974 | -39,866 | 4,167,000 | -1,654,000 | $33.61 |
| 06/30/2014 | COGENT COMMUNICATIONS HOLDINGS, INC. | CCOI | 167,700 | 3,860 | 5,794,000 | -27,000 | $34.55 |
| 03/31/2014 | COGENT COMMUNICATIONS HOLDINGS, INC. | CCOI | 163,840 | 163,840 | 5,821,000 | 5,821,000 | $35.53 |
| 12/31/2013 | COGENT COMMUNICATIONS HOLDINGS, INC. | CCOI | 257,190 | 257,190 | 10,393,000 | 10,393,000 | $40.41 |
| 09/30/2013 | COGENT COMMUNICATIONS HOLDINGS, INC. | CCOI | 209,555 | -836,847 | 6,758,000 | -22,698,000 | $32.25 |
| 06/30/2013 | COGENT COMMUNICATIONS HOLDINGS, INC. | CCOI | 1,046,402 | -386,527 | 29,456,000 | -8,373,000 | $28.15 |
| 03/31/2013 | COGENT COMMUNICATIONS HOLDINGS, INC. | CCOI | 1,432,929 | -22,321 | 37,829,000 | 4,882,000 | $26.40 |
| 12/31/2012 | COGENT COMMUNICATIONS HOLDINGS, INC. | CCOI | 1,455,250 | -2,864 | 32,947,000 | -575,000 | $22.64 |
| 09/30/2012 | COGENT COMMUNICATIONS HOLDINGS, INC. | CCOI | 1,458,114 | 120,060 | 33,522,000 | 7,764,000 | $22.99 |
| 06/30/2012 | COGENT COMMUNICATIONS HOLDINGS, INC. | CCOI | 1,338,054 | 192,363 | 25,758,000 | 3,898,000 | $19.25 |
| 03/31/2012 | COGENT COMMUNICATIONS HOLDINGS, INC. | CCOI | 1,145,691 | -269,746 | 21,860,000 | 2,822,000 | $19.08 |
| 12/31/2011 | COGENT COMMUNICATIONS HOLDINGS, INC. | CCOI | 1,592,800 | 177,363 | 26,902,000 | 7,864,000 | $16.89 |
| 09/30/2011 | COGENT COMMUNICATIONS HOLDINGS, INC. | CCOI | 1,415,437 | 803,437 | 19,038,000 | 8,628,000 | $13.45 |
| 06/30/2011 | COGENT COMMUNICATIONS HOLDINGS, INC. | CCOI | 612,000 | 612,000 | 10,410,000 | 10,410,000 | $17.01 |
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