Granahan Investment Management’s Cogent Communications CCOI Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Shares
Change %
Capital Flow Portfolio Weight Portfolio Position
2025
Q2
$10.8M Buy
224,491
+38,909
+21% +$1.88M 0.44% 58
2025
Q1
$11.4M Buy
185,582
+11,101
+6% +$681K 0.57% 55
2024
Q4
$13.4M Sell
174,481
-7,986
-4% -$615K 0.56% 51
2024
Q3
$13.9M Buy
182,467
+11,214
+7% +$851K 0.54% 52
2024
Q2
$9.67M Buy
171,253
+1,591
+0.9% +$89.8K 0.39% 83
2024
Q1
$11.1M Buy
169,662
+30,741
+22% +$2.01M 0.39% 76
2023
Q4
$10.6M Buy
138,921
+26,950
+24% +$2.05M 0.35% 85
2023
Q3
$6.93M Buy
111,971
+71,288
+175% +$4.41M 0.25% 107
2023
Q2
$2.74M Buy
+40,683
New +$2.74M 0.08% 148
2018
Q4
Sell
-41,612
Closed -$2.32M 195
2018
Q3
$2.32M Sell
41,612
-19,498
-32% -$1.09M 0.13% 146
2018
Q2
$3.26M Buy
61,110
+30,732
+101% +$1.64M 0.2% 128
2018
Q1
$1.32M Sell
30,378
-11,623
-28% -$504K 0.1% 164
2017
Q4
$1.9M Sell
42,001
-14,621
-26% -$662K 0.15% 147
2017
Q3
$2.77M Sell
56,622
-13,417
-19% -$656K 0.23% 121
2017
Q2
$2.81M Buy
70,039
+10,303
+17% +$413K 0.26% 115
2017
Q1
$2.57M Sell
59,736
-408,353
-87% -$17.6M 0.26% 115
2016
Q4
$19.4M Buy
468,089
+3,800
+0.8% +$157K 0.67% 59
2016
Q3
$17.1M Buy
464,289
+94,600
+26% +$3.48M 0.56% 71
2016
Q2
$14.8M Buy
369,689
+67,800
+22% +$2.72M 0.54% 71
2016
Q1
$11.8M Sell
301,889
-93,100
-24% -$3.63M 0.43% 88
2015
Q4
$13.7M Sell
394,989
-122,600
-24% -$4.25M 0.47% 77
2015
Q3
$14.1M Buy
+517,589
New +$14.1M 0.44% 82