DUFF & PHELPS INVESTMENT MANAGEMENT CO: SWX position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of DUFF & PHELPS INVESTMENT MANAGEMENT CO on SWX, newest first. How the timeline and the estimate are built.

DUFF & PHELPS INVESTMENT MANAGEMENT CO held 141,569 SWX shares at 2026-06-30 per its 13F-HR/A filed 2026-08-13.

the latest 13F is the newest step

period ended2026-06-30
13F/A 141,569 shares
Change vs previous 13F +56,569 shares
0.12% of the 13F portfolio, value $12,554,338.
13F-HR/A 0001140361-26-032766 filed by DUFF & PHELPS INVESTMENT MANAGEMENT CO
Filed 2026-08-13 (acceptance time not in the bulk data set), ingested 2026-10-06 09:57:27 UTC
Acceptance time not in the bulk data set (spec §4.2).
period ended2026-03-31
13F/A 85,000 shares
Change vs previous 13F not available
0.08% of the 13F portfolio, value $7,386,500.
13F-HR/A 0001140361-26-029563 filed by DUFF & PHELPS INVESTMENT MANAGEMENT CO
Filed 2026-07-24 (acceptance time not in the bulk data set), ingested 2026-10-06 09:57:27 UTC
Acceptance time not in the bulk data set (spec §4.2).