David Schaeffer owns 3.65% of Cogent Communications Holdings
1,868,133 shares as of the May 4, 2026 filing, worth $15.1M at the latest close.
CCOI · $413M market cap · Founder-ledGet an email when David Schaeffer’s stake moves.
Free.
The stake
3.65%
worth $15.1M at the latest close
Stake rank
#1,425
by dollar value of the stake
Last sale
437 days ago
Aug 8, 2025
Last buy
None
no purchases since 2023
David Schaeffer owns 3.65% of COGENT COMMUNICATIONS HOLDINGS, INC.: 1,868,133 of 51,215,736 shares, worth about $15.1M at the 2026-10-16 close. The stake has moved from 8.50% in 2016 to 3.65% on 2026-07-31, across 46 sales and 0 purchases that moved it since 2016. The last trade that moved it was a discretionary sale of $22.5M on 2025-08-08.
How the stake is held
as of the May 4, 2026 filing
SHARES
OF THE STAKE
COMMON STOCK · stated May 4, 2026 · Form 4 ↗
HELD DIRECTLY
609,143
32.6%
HELD INDIRECTLY · by family trust
1,258,990
67.4%
THE STAKE
1,868,133
3.65%