683 Capital Management, LLC
Position in CCOI — Cogent Communications Holdings, Inc.
CIK 1404574
NEW YORK, NY
Position in CCOI
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$8,483,652
-$4,452,348 QoQ
Shares Held
450,300
-24.9% QoQ
Ownership
0.899%
of shares outstanding
% of Portfolio
0.86%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2024
9 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in CCOI Over Time
Shares Held
Position Value (USD)
Derivatives in CCOI
reported options exposure · as of Mar 31, 2026CallValue
$9,420,000
CallShares
500,000
PutValue
$0
PutShares
0
Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.
Position in Telecom Services
Communication Services · as of Mar 31, 2026683 Capital Management, LLC holds $17,013,592 across 4 Telecom Services names. CCOI ranks #1 (49.9% of the industry book) .
All Filings in CCOI
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10 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $8,483,652 | 450,300 | Shares | Defined | 2026-05-15 | |
| 2026-03-31 | $9,420,000 | 500,000 | Call | Defined | 2026-05-15 | |
| 2025-12-31 | $12,936,000 | 600,000 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $24,927,500 | 650,000 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $13,498,800 | 280,000 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $18,086,450 | 295,000 | Shares | Defined | 2025-05-15 | |
| 2024-12-31 | $23,121,000 | 300,000 | Shares | Defined | 2025-02-14 | |
| 2024-09-30 | $28,849,600 | 380,000 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $21,165,000 | 375,000 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $14,045,950 | 215,000 | Shares | Defined | 2024-05-15 | |
| No filing history on record for this holder in this stock. | ||||||