STATE OF WISCONSIN INVESTMENT BOARD: ISTB position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of STATE OF WISCONSIN INVESTMENT BOARD on ISTB, newest first. How the timeline and the estimate are built.
STATE OF WISCONSIN INVESTMENT BOARD held 5,549,725 ISTB shares at 2026-06-30 per its 13F-HR filed 2026-08-14.
the latest 13F is the newest step
- period ended2026-06-3013F 5,549,725 sharesChange vs previous 13F +134,700 shares
0.54% of the 13F portfolio, value $267,774,231.
13F-HR 0001062993-26-004375 filed by STATE OF WISCONSIN INVESTMENT BOARD
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2026-03-3113F 5,415,025 sharesChange vs previous 13F +102,400 shares
0.6% of the 13F portfolio, value $262,412,112.
13F-HR 0001062993-26-002676 filed by STATE OF WISCONSIN INVESTMENT BOARD
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-12-3113F 5,312,625 sharesChange vs previous 13F +71,400 shares
0.58% of the 13F portfolio, value $258,990,469.
13F-HR 0001062993-26-000957 filed by STATE OF WISCONSIN INVESTMENT BOARD
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-09-3013F 5,241,225 sharesChange vs previous 13F +112,600 shares
0.59% of the 13F portfolio, value $255,981,429.
13F-HR 0001062993-25-016783 filed by STATE OF WISCONSIN INVESTMENT BOARD
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-06-3013F 5,128,625 sharesChange vs previous 13F +82,700 shares
0.61% of the 13F portfolio, value $249,507,606.
13F-HR 0001062993-25-014368 filed by STATE OF WISCONSIN INVESTMENT BOARD
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-03-3113F 5,045,925 sharesChange vs previous 13F +300 shares
0.63% of the 13F portfolio, value $243,970,474.
13F-HR 0001062993-25-009484 filed by STATE OF WISCONSIN INVESTMENT BOARD
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2024-12-3113F 5,045,625 sharesChange vs previous 13F +205,300 shares
0.62% of the 13F portfolio, value $241,029,506.
13F-HR 0001062993-25-002462 filed by STATE OF WISCONSIN INVESTMENT BOARD
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2024-09-3013F 4,840,325 sharesChange vs previous 13F not available
0.59% of the 13F portfolio, value $235,627,021.
13F-HR 0001062993-24-019058 filed by STATE OF WISCONSIN INVESTMENT BOARD
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).