WINMILL & CO. INC: UNH position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of WINMILL & CO. INC on UNH, newest first. How the timeline and the estimate are built.

WINMILL & CO. INC held 13,500 UNH shares at 2026-06-30 per its 13F-HR filed 2026-08-13.

the latest 13F is the newest step

period ended2026-06-30
13F 13,500 shares
Change vs previous 13F 0 shares
1.24% of the 13F portfolio, value $5,611,005.
13F-HR 0000892712-26-000347 filed by WINMILL & CO. INC
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 13,500 shares
Change vs previous 13F -2,975 shares
1.05% of the 13F portfolio, value $3,652,965.
13F-HR 0000892712-26-000244 filed by WINMILL & CO. INC
Filed 2026-05-14 (acceptance time not in the bulk data set), ingested 2026-10-06 09:58:43 UTC
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-12-31
13F 16,475 shares
Change vs previous 13F 0 shares
1.45% of the 13F portfolio, value $5,438,562.
13F-HR 0000892712-26-000091 filed by WINMILL & CO. INC
Filed 2026-02-13 (acceptance time not in the bulk data set), ingested 2026-10-07 03:01:36 UTC
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-09-30
13F 16,475 shares
Change vs previous 13F 0 shares
1.38% of the 13F portfolio, value $5,688,818.
13F-HR 0000892712-25-000148 filed by WINMILL & CO. INC
Filed 2025-11-13 (acceptance time not in the bulk data set), ingested 2026-10-07 03:02:25 UTC
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-06-30
13F 16,475 shares
Change vs previous 13F 0 shares
1.43% of the 13F portfolio, value $5,139,706.
13F-HR 0000892712-25-000087 filed by WINMILL & CO. INC
Filed 2025-08-01 (acceptance time not in the bulk data set), ingested 2026-10-07 18:23:11 UTC
Acceptance time not in the bulk data set (spec §4.2).
period ended2025-03-31
13F 16,475 shares
Change vs previous 13F 0 shares
2.62% of the 13F portfolio, value $8,628,781.
13F-HR 0000892712-25-000065 filed by WINMILL & CO. INC
Filed 2025-05-14 (acceptance time not in the bulk data set), ingested 2026-10-07 18:25:06 UTC
Acceptance time not in the bulk data set (spec §4.2).
period ended2024-12-31
13F 16,475 shares
Change vs previous 13F 0 shares
2.7% of the 13F portfolio, value $8,334,044.
13F-HR 0000892712-25-000034 filed by WINMILL & CO. INC
Filed 2025-02-13 (acceptance time not in the bulk data set), ingested 2026-10-07 18:25:55 UTC
Acceptance time not in the bulk data set (spec §4.2).
period ended2024-09-30
13F/A 16,475 shares
Change vs previous 13F not available
3.24% of the 13F portfolio, value $9,632,603.
13F-HR/A 0000892712-24-000136 filed by WINMILL & CO. INC
Filed 2024-11-14 (acceptance time not in the bulk data set), ingested 2026-10-07 18:26:56 UTC
Acceptance time not in the bulk data set (spec §4.2).