Emerald Advisers, LLC

SEC CIK: 0001015083
Latest filing: Aug 5, 2026

SEC filings (opens in a new tab)

CCOI holding history

Cogent Communications Holdings, Inc. in every 13F filed by Emerald Advisers, LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

CCOI overview All 13F holders of CCOI Full Q2 2026 holdings

Shares (Q1 2026): 0; Sold out in Q1 2026
Value: $0
% of portfolio: 0.0%
Quarters held: 20; Since Q1 2021

Holdings of CCOI by Emerald Advisers, LLC, by quarter
Quarter	Shares	Value	% of portfolio	Share change	Action	All holders
Q1 2026	0	$0	0.0%	−371−100.0%	Sold out	Holders
Q4 2025	371	$8.00K	<0.1%	−144,541−99.7%	Reduced	Holders
Q3 2025	144,912	$5.56M	0.2%	−98,300−40.4%	Reduced	Holders
Q2 2025	243,212	$11.7M	0.4%	+10,940+4.7%	Added	Holders
Q1 2025	232,272	$14.2M	0.6%	−9,262−3.8%	Reduced	Holders
Q4 2024	241,534	$18.6M	0.7%	+285+0.1%	Added	Holders
Q3 2024	241,249	$18.3M	0.7%	+6,647+2.8%	Added	Holders
Q2 2024	234,602	$13.2M	0.6%	−8,231−3.4%	Reduced	Holders
Q1 2024	242,833	$15.9M	0.6%	+6,802+2.9%	Added	Holders
Q4 2023	236,031	$18.0M	0.8%	−4,080−1.7%	Reduced	Holders
Q3 2023	240,111	$14.9M	0.7%	+10.0%	Added	Holders
Q2 2023	240,110	$16.2M	0.7%	−760.0%	Reduced	Holders
Q1 2023	240,186	$15.3M	0.7%	−13,533−5.3%	Reduced	Holders
Q4 2022	253,719	$14.5M	0.7%	+3,050+1.2%	Added	Holders
Q3 2022	250,669	$13.1M	0.7%	00.0%	Unchanged	Holders
Q2 2022	250,669	$15.2M	0.8%	−11,530−4.4%	Reduced	Holders
Q1 2022	262,199	$17.4M	0.7%	+26,561+11.3%	Added	Holders
Q4 2021	235,638	$17.2M	0.6%	−16,902−6.7%	Reduced	Holders
Q3 2021	252,540	$17.9M	0.6%	−45,313−15.2%	Reduced	Holders
Q2 2021	297,853	$22.9M	0.8%	+178+0.1%	Added	Holders
Q1 2021	297,675	$20.5M	0.7%	–	–	Holders

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.