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RHUMBLINE ADVISERS

Position in CCOI — Cogent Communications Holdings, Inc.

CIK 1115418 BOSTON, MA

Position in CCOI

as of Jun 30, 2026 · filed Aug 12, 2026
Position Value
$1,650,540
-$947,872 QoQ
Shares Held
118,915
-13.8% QoQ
Ownership
0.232%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#56
of 224 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 55% Shared 0% None 45%

Common Shares in CCOI Over Time

Shares Held

Position Value (USD)

Position in Telecom Services

Communication Services · as of Jun 30, 2026

RHUMBLINE ADVISERS holds $1,010,015,765 across 49 Telecom Services names. CCOI ranks #17 (0.2% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in CCOI

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26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $1,650,540 118,915
2026-03-31 $2,598,412 137,920
2025-12-31 $2,963,659 137,461
2025-09-30 $5,264,112 137,265
2025-06-30 $6,322,596 131,147
2025-03-31 $7,603,666 124,020
2024-12-31 $9,460,111 122,747
2024-09-30 $9,463,428 124,650
2024-06-30 $7,261,909 128,666
2024-03-31 $8,579,658 131,328
2023-12-31 $10,135,983 133,263
2023-09-30 $8,484,261 137,064
2023-06-30 $9,359,837 139,097
2023-03-31 $9,170,709 143,922
2022-12-31 $7,890,282 138,232
2022-09-30 $7,065,072 135,450
2022-06-30 $7,892,237 129,892
2022-03-31 $7,906,863 119,169
2021-12-31 $8,319,541 113,686
2021-09-30 $8,134,840 114,834
2021-06-30 $10,093,657 131,274
2021-03-31 $9,205,382 133,877
2020-12-31 $8,065,387 134,715
2020-09-30 $7,673,549 127,786
2020-06-30 $10,937,775 141,388
2020-03-31 $12,139,183 148,093