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Livermore
Livermore
ZHEN

Renaissance Technologies LLC

SEC CIK
0001037389
Latest filing
Aug 13, 2026

CCOI holding history

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

CCOI overviewAll 13F holders of CCOIFull Q2 2026 holdings

Shares (Q2 2026)
49,231
Value
$683.3K
% of portfolio
<0.1%
Quarters held
22
Since Q1 2021
Holdings of CCOI by Renaissance Technologies LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 202649,231$683.3K<0.1%−17,900−26.7%ReducedHolders
Q1 202667,131$1.26M<0.1%−21,900−24.6%ReducedHolders
Q4 202589,031$1.92M<0.1%−98,956−52.6%ReducedHolders
Q3 2025187,987$7.21M<0.1%−270,069−59.0%ReducedHolders
Q2 2025458,056$22.1M<0.1%−186,359−28.9%ReducedHolders
Q1 2025644,415$39.5M0.1%−95,341−12.9%ReducedHolders
Q4 2024739,756$57.0M0.1%−155,400−17.4%ReducedHolders
Q3 2024895,156$68.0M0.1%−191,100−17.6%ReducedHolders
Q2 20241,086,256$61.3M0.1%−349,600−24.3%ReducedHolders
Q1 20241,435,856$93.8M0.1%−175,600−10.9%ReducedHolders
Q4 20231,611,456$122.6M0.2%−149,100−8.5%ReducedHolders
Q3 20231,760,556$109.0M0.2%−59,000−3.2%ReducedHolders
Q2 20231,819,556$122.4M0.2%+10,400+0.6%AddedHolders
Q1 20231,809,156$115.3M0.2%−12,482−0.7%ReducedHolders
Q4 20221,821,638$104.0M0.1%−132,918−6.8%ReducedHolders
Q3 20221,954,556$102.0M0.1%−357,500−15.5%ReducedHolders
Q2 20222,312,056$140.5M0.2%+147,700+6.8%AddedHolders
Q1 20222,164,356$143.6M0.2%−14,000−0.6%ReducedHolders
Q4 20212,178,356$159.4M0.2%−59,700−2.7%ReducedHolders
Q3 20212,238,056$158.5M0.2%−14,600−0.6%ReducedHolders
Q2 20212,252,656$173.2M0.2%−22,600−1.0%ReducedHolders
Q1 20212,275,256$156.4M0.2%––Holders

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