BLAIR WILLIAM & CO/IL: CAT position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of BLAIR WILLIAM & CO/IL on CAT, newest first. How the timeline and the estimate are built.
BLAIR WILLIAM & CO/IL held 121,522 CAT shares at 2026-06-30 per its 13F-HR filed 2026-08-11.
the latest 13F is the newest step
- period ended2026-06-3013F 121,522 sharesChange vs previous 13F +3,021 shares
0.34% of the 13F portfolio, value $129,408,421.
13F-HR 0001104659-26-093821 filed by BLAIR WILLIAM & CO/IL
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2026-03-3113F 118,501 sharesChange vs previous 13F +2,249 shares
0.24% of the 13F portfolio, value $83,952,882.
13F-HR 0001104659-26-057897 filed by BLAIR WILLIAM & CO/IL
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-12-3113F 116,252 sharesChange vs previous 13F +636 shares
0.18% of the 13F portfolio, value $66,597,470.
13F-HR 0001104659-26-015563 filed by BLAIR WILLIAM & CO/IL
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-09-3013F 115,616 sharesChange vs previous 13F +2,072 shares
0.15% of the 13F portfolio, value $55,166,132.
13F-HR 0001104659-25-109927 filed by BLAIR WILLIAM & CO/IL
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-06-3013F 113,544 sharesChange vs previous 13F -735 shares
0.12% of the 13F portfolio, value $44,079,105.
13F-HR 0001104659-25-070274 filed by BLAIR WILLIAM & CO/IL
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-03-3113F 114,279 sharesChange vs previous 13F -1,112 shares
0.11% of the 13F portfolio, value $37,689,305.
13F-HR 0001104659-25-046545 filed by BLAIR WILLIAM & CO/IL
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2024-12-3113F 115,391 sharesChange vs previous 13F +1,174 shares
0.12% of the 13F portfolio, value $41,859,122.
13F-HR 0001104659-25-011872 filed by BLAIR WILLIAM & CO/IL
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2024-09-3013F 114,217 sharesChange vs previous 13F not available
0.13% of the 13F portfolio, value $44,672,565.
13F-HR 0001104659-24-116499 filed by BLAIR WILLIAM & CO/IL
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).