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CCOI·COGENT COMMUNICATIONS HOLDIN
Borderline · AI-adjacentData as of 2026-08-27
Holder Count
14 / 100
14 of 100 tracked investors hold CCOI
Aggregate $
$41M
13F longs + subsequent 13G/D block filings, deduped
Share of AI Universe
0.0%
Share of aggregated AI exposure across 100 investors
Latest quarter · 2026-Q2
Exited
No Exited this quarter
—Holders
Sorted by position $ (largest first); click headers to re-sort| Investor | Position $↓ | % of AI Exposure | Latest 13F Action | Entry Quarter |
|---|---|---|---|---|
 Ken Griffin / Citadel Citadel LLC | $16M | 0.0% | ADD2026-Q2 | Before 2020-Q1 |
 Cliff Asness / AQR Capital AQR Capital Management LLC | $9M | 0.0% | ADD2026-Q2 | Before 2020-Q1 |
 Paul Marshall / Marshall Wace Marshall Wace, LLP | $4M | 0.0% | NEW2025-Q3 | Before 2020-Q1 |
 David Shaw / D.E. Shaw D. E. Shaw & Co., Inc. | $4M | 0.0% | TRIM2026-Q2 | Before 2020-Q1 |
 Brandon Haley / Holocene Advisors Holocene Advisors LP | $3M | 0.0% | ADD2025-Q3 | Before 2020-Q1 |
 Izzy Englander / Millennium Millennium Management LLC | $2M | 0.0% | TRIM2026-Q2 | Before 2020-Q1 |
 Steven Schonfeld / Schonfeld Strategic Advisors Schonfeld Strategic Advisors LLC | $1M | 0.0% | NEW2026-Q2 | Before 2020-Q1 |
 T. Rowe Price Associates T. Rowe Price Associates, Inc. | $1M | 0.0% | ADD2026-Q2 | Before 2020-Q1 |
 Peter Brown / Renaissance Technologies Renaissance Technologies LLC | $683326 | 0.0% | TRIM2026-Q2 | Before 2020-Q1 |
 Dmitry Balyasny / Balyasny Asset Management Balyasny Asset Management LLC | $390549 | 0.0% | NEW2025-Q2 | Before 2020-Q1 |
 Steve Cohen / Point72 Point72 Asset Management, L.P. | $376800 | 0.0% | NEW2026-Q1 | Before 2020-Q1 |
 Ray Dalio / Bridgewater Bridgewater Associates, LP | $279482 | 0.0% | NEW2025-Q4 | Before 2020-Q1 |
 John Overdeck / David Siegel / Two Sigma Two Sigma Investments, LP | $163048 | 0.0% | NEW2026-Q2 | Before 2020-Q1 |
 Ken Fisher / Fisher Investments Fisher Asset Management, LLC | $17190 | 0.0% | TRIM2023-Q4 | Before 2020-Q1 |
Position Action Log
81 entries · newest first| Date | Investor | Action | Δ $ | Δ Shares |
|---|---|---|---|---|
| 2026-Q2 | ADD | +$5M | +405.7K | |
| 2026-Q2 | ADD | +$8M | +746.3K | |
| 2026-Q2 | TRIM | −$10M | −454.1K | |
| 2026-Q2 | EXIT | −$0 | +0 | |
| 2026-Q2 | EXIT | −$2M | −90.2K | |
| 2026-Q2 | TRIM | −$3M | −109.3K | |
| 2026-Q2 | EXIT | −$0 | +0 | |
| 2026-Q2 | TRIM | −$581K | −17.9K | |
| 2026-Q2 | NEW | +$1M | +86.6K | |
| 2026-Q2 | ADD | +$147K | +11.5K | |
| 2026-Q2 | NEW | +$163K | +11.7K | |
| 2026-Q1 | ADD | +$3M | +180.2K | |
| 2026-Q1 | EXIT | −$279K | −13.0K | |
| 2026-Q1 | ADD | +$8M | +458.7K | |
| 2026-Q1 | TRIM | −$5M | −235.9K | |
| 2026-Q1 | ADD | +$4M | +222.6K | |
| 2026-Q1 | NEW | +$377K | +20.0K | |
| 2026-Q1 | ADD | +$59K | +10.5K | |
| 2025-Q4 | TRIM | −$591K | −2.4K | |
| 2025-Q4 | NEW | +$279K | +13.0K | |
| 2025-Q4 | TRIM | −$9M | −113.0K | |
| 2025-Q4 | EXIT | −$3M | −68.2K | |
| 2025-Q4 | EXIT | −$13M | −342.3K | |
| 2025-Q4 | ADD | +$7M | +314.5K | |
| 2025-Q4 | ADD | +$426K | +11.4K | |
| 2025-Q3 | ADD | +$989K | +27.1K | |
| 2025-Q3 | EXIT | −$391K | −8.1K | |
| 2025-Q3 | NEW | +$15M | +393.1K | |
| 2025-Q3 | ADD | +$563K | +25.6K | |
| 2025-Q3 | ADD | +$2M | +18.8K | |
| 2025-Q3 | NEW | +$449K | +11.7K | |
| 2025-Q3 | NEW | +$4M | +104.9K | |
| 2025-Q3 | ADD | +$315K | +1.6K | |
| 2025-Q2 | ADD | +$41K | +1.8K | |
| 2025-Q2 | NEW | +$391K | +8.1K | |
| 2025-Q2 | ADD | +$2M | +37.0K | |
| 2025-Q2 | ADD | +$3M | +24.5K | |
| 2025-Q2 | ADD | +$307K | +3.2K | |
| 2025-Q1 | NEW | +$202K | +3.3K | |
| 2025-Q1 | EXIT | −$479K | −6.2K | |
| 2025-Q1 | TRIM | −$2M | −19.3K | |
| 2025-Q1 | TRIM | −$5M | −9.5K | |
| 2025-Q1 | NEW | +$286K | +4.7K | |
| 2025-Q1 | EXIT | −$5M | −64.8K | |
| 2025-Q1 | ADD | +$381K | +2.2K | |
| 2024-Q4 | NEW | +$479K | +6.2K | |
| 2024-Q4 | TRIM | −$124K | −2.0K | |
| 2024-Q4 | TRIM | −$483K | −11.0K | |
| 2024-Q4 | ADD | +$1M | +17.6K | |
| 2024-Q4 | ADD | +$345K | +4.0K | |
| 2024-Q3 | TRIM | −$196K | −5.8K | |
| 2024-Q3 | TRIM | −$4M | −181.6K | |
| 2024-Q3 | NEW | +$850K | +11.2K | |
| 2024-Q3 | ADD | +$997K | +7.9K | |
| 2024-Q3 | TRIM | −$4M | −82.1K | |
| 2024-Q3 | ADD | +$581K | +344 | |
| 2024-Q2 | NEW | +$2M | +32.6K | |
| 2024-Q2 | TRIM | −$21M | −248.0K | |
| 2024-Q2 | ADD | +$918K | +16.8K | |
| 2024-Q2 | TRIM | −$7M | −90.1K | |
| 2024-Q2 | TRIM | −$23M | −343.3K | |
| 2024-Q1 | EXIT | −$1M | −15.3K | |
| 2024-Q1 | TRIM | −$14M | −79.4K | |
| 2024-Q1 | NEW | +$222K | +3.4K | |
| 2024-Q1 | TRIM | −$36M | −443.6K | |
| 2024-Q1 | TRIM | −$4M | −289 | |
| 2023-Q4 | TRIM | −$1K | −35 | |
| 2023-Q4 | NEW | +$1M | +15.3K | |
| 2023-Q4 | ADD | +$28M | +263.3K | |
| 2023-Q4 | TRIM | −$1M | −19.7K | |
| 2023-Q4 | ADD | +$9M | +61.2K | |
| 2023-Q3 | TRIM | −$2K | −15 | |
| 2023-Q3 | EXIT | −$2M | −25.0K | |
| 2023-Q3 | ADD | +$9M | +173.8K | |
| 2023-Q3 | TRIM | −$9M | −132.9K | |
| 2023-Q3 | ADD | +$217K | +5.3K | |
| 2023-Q3 | NEW | +$127K | +2.0K | |
| 2023-Q3 | ADD | +$13M | +212.1K | |
| 2023-Q2 | EXIT | −$2M | −38.8K | |
| 2023-Q2 | ADD | +$6M | +72.7K | |
| 2023-Q2 | TRIM | −$3M | −58.6K |
