Port Capital LLC: SPGI position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Port Capital LLC on SPGI, newest first. How the timeline and the estimate are built.
Port Capital LLC held 28,633 SPGI shares at 2026-06-30 per its 13F-HR filed 2026-08-14.
the latest 13F is the newest step
- period ended2026-06-3013F 28,633 sharesChange vs previous 13F +361 shares
0.48% of the 13F portfolio, value $11,661,076.
13F-HR 0001104659-26-097336 filed by Port Capital LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2026-03-3113F 28,272 sharesChange vs previous 13F -49,463 shares
0.53% of the 13F portfolio, value $12,025,212.
13F-HR 0001104659-26-062522 filed by Port Capital LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-12-3113F 77,735 sharesChange vs previous 13F +29,825 shares
1.75% of the 13F portfolio, value $40,623,534.
13F-HR 0001104659-26-016441 filed by Port Capital LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-09-3013F 47,910 sharesChange vs previous 13F not available
0.97% of the 13F portfolio, value $23,318,000.
13F-HR 0001104659-25-112411 filed by Port Capital LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).