CCOI COGENT COMM HOLDINGS INC
FollowCOM NEW (common), issuer CIK 1158324
217 managers (224 13F filers) reported a position in CCOI shares at 2026-06-30, 47,273,426 shares in all. 40 filers opened a position and 47 filers sold out during the quarter.
- Managers
- 217
- 13F filers
- 224
- New
- 40
- Added
- 77
- Reduced
- 72
- Sold out
- 47
- Shares held by filers
- 47,273,426
Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.
13D and 13G filers
Each filer's latest stake. The shares are the aggregate the reporting persons state, which can include entities that file no 13F.
- BlackRock, Inc.(group BlackRock, Inc.)
3,932,477 shares, 7.7% in a 13G/A as of 2026-09-30,0002012383-26-003317
Accepted , ingested
Insider trades
No Form 4 transaction on this security in the data.
13F holders, Q2 2026
Filers in the available 13F reports with a share position at 2026-06-30, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.
Events
BlackRock, Inc. reported 3,932,477 CCOI shares, 7.7% of the class, as of 2026-09-30, in a 13G/A filed 2026-10-05. 0002012383-26-003317
Accepted , ingested