Old Port Advisors: GLW position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Old Port Advisors on GLW, newest first. How the timeline and the estimate are built.
Old Port Advisors held 80,112 GLW shares at 2026-06-30 per its 13F-HR filed 2026-07-21.
the latest 13F is the newest step
- period ended2026-06-3013F 80,112 sharesChange vs previous 13F -3,248 shares
4.04% of the 13F portfolio, value $20,463,072.
13F-HR 0001744348-26-000003 filed by Old Port Advisors
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2026-03-3113F 83,360 sharesChange vs previous 13F -1,725 shares
2.62% of the 13F portfolio, value $11,334,398.
13F-HR 0001744348-26-000002 filed by Old Port Advisors
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-12-3113F 85,085 sharesChange vs previous 13F -1,698 shares
1.84% of the 13F portfolio, value $7,450,046.
13F-HR 0001744348-26-000001 filed by Old Port Advisors
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-09-3013F 86,783 sharesChange vs previous 13F -1,999 shares
1.79% of the 13F portfolio, value $7,118,835.
13F-HR 0001744348-25-000006 filed by Old Port Advisors
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-06-3013F 88,782 sharesChange vs previous 13F -626 shares
1.27% of the 13F portfolio, value $4,669,022.
13F-HR 0001744348-25-000004 filed by Old Port Advisors
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-03-3113F 89,408 sharesChange vs previous 13F -2,051 shares
1.21% of the 13F portfolio, value $4,093,116.
13F-HR 0001744348-25-000003 filed by Old Port Advisors
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2024-12-3113F 91,459 sharesChange vs previous 13F -1,871 shares
1.25% of the 13F portfolio, value $4,346,135.
13F-HR 0001744348-25-000001 filed by Old Port Advisors
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2024-09-3013F 93,330 sharesChange vs previous 13F not available
1.17% of the 13F portfolio, value $4,213,846.
13F-HR 0001744348-24-000004 filed by Old Port Advisors
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).