Port Capital LLC: CSW position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Port Capital LLC on CSW, newest first. How the timeline and the estimate are built.
Port Capital LLC held 5,000 CSW shares at 2026-06-30 per its 13F-HR filed 2026-08-14.
the latest 13F is the newest step
- period ended2026-06-3013F 5,000 sharesChange vs previous 13F -100 shares
0.06% of the 13F portfolio, value $1,391,500.
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 5,100 sharesChange vs previous 13F -800 shares
0.06% of the 13F portfolio, value $1,328,958.
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 5,900 sharesChange vs previous 13F 0 shares
0.07% of the 13F portfolio, value $1,731,827.
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 5,900 sharesChange vs previous 13F 0 shares
0.06% of the 13F portfolio, value $1,432,000.
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).
- period ended2025-06-3013F 5,900 sharesChange vs previous 13F -400 shares
0.07% of the 13F portfolio, value $1,692,000.
13F-HR 0001104659-25-078671 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 ended2025-03-3113F 6,300 sharesChange vs previous 13F -500 shares
0.08% of the 13F portfolio, value $1,837,000.
13F-HR 0001104659-25-049491 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 ended2024-12-3113F 6,800 sharesChange vs previous 13F 0 shares
0.11% of the 13F portfolio, value $2,399,000.
13F-HR 0001104659-25-014092 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 ended2024-09-3013F 6,800 sharesChange vs previous 13F not available
0.11% of the 13F portfolio, value $2,491,000.
13F-HR 0001104659-24-118811 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).