SIG
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Senator Investment Group’s Cogent Communications CCOI Stock Holding History

Senator Investment Group’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
2025
Q4 		– Sell
-483,295
Closed -$18.5M – 62
2025
Q3 		$18.5M Sell
483,295
-148,397
-23% -$6.2M 0.76% 42
2025
Q2 		$30.5M Buy
631,692
+45,218
+8% +$2.3M 1.23% 37
2025
Q1 		$36M Buy
586,474
+2,834
+0.5% +$209K 1.97% 24
2024
Q4 		$45M Sell
583,640
-80,538
-12% -$6.42M 1.68% 26
2024
Q3 		$50.4M Sell
664,178
-52,590
-7% -$3.62M 2.4% 13
2024
Q2 		$40.5M Buy
716,768
+50,000
+7% +$2.98M 2% 22
2024
Q1 		$43.6M Buy
666,768
+302,365
+83% +$22.1M 1.99% 16
2023
Q4 		$27.7M Buy
364,403
+14,403
+4% +$962K 1.19% 30
2023
Q3 		$21.7M Buy
350,000
+200,000
+133% +$13.1M 1.22% 29
2023
Q2 		$10.1M Buy
+150,000
New +$9.8M 0.53% 47

Other funds holding CCOI

BlackRock
BlackRock New York $5.7T AUM 30.48% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
TCAM
Turtle Creek Asset Management Toronto, Ontario, Canada $2.67B AUM 0.64% 1-Year Est. Return
EIG
EdgePoint Investment Group Toronto, Ontario, Canada $12.5B AUM 31.7% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
PWAM
Park West Asset Management San Francisco, California $1.13B AUM 47.25% 1-Year Est. Return
HCM
Harspring Capital Management New York $190M AUM 19.3% 1-Year Est. Return
NM
Newtyn Management New York $936M AUM 27.23% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
MG
Magnolia Group Omaha, Nebraska $538M AUM 5.13% 1-Year Est. Return