ALLEN OPERATIONS LLC: CMCSA position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of ALLEN OPERATIONS LLC on CMCSA, newest first. How the timeline and the estimate are built.

ALLEN OPERATIONS LLC held 0 CMCSA shares at 2024-12-31 per its 13F-HR filed 2025-02-10.

the latest 13F is the newest step

period ended2024-12-31
13F 0 shares
Change vs previous 13F -1,043,202 shares
13F-HR 0001214659-25-002273 filed by ALLEN OPERATIONS LLC
Filed 2025-02-10 (acceptance time not in the bulk data set), ingested 2026-10-07 18:25:55 UTC
Acceptance time not in the bulk data set (spec §4.2).
Exited: the 13F for this period no longer lists the position.
period ended2024-09-30
13F 1,043,202 shares
Change vs previous 13F not available
7.34% of the 13F portfolio, value $43,574,548.
13F-HR 0001214659-24-018528 filed by ALLEN OPERATIONS LLC
Filed 2024-11-07 (acceptance time not in the bulk data set), ingested 2026-10-07 18:26:56 UTC
- Allen Investment Management, LLC: 0 shares
- ALLEN OPERATIONS LLC: 1,043,202 shares
Acceptance time not in the bulk data set (spec §4.2).