BLAIR WILLIAM & CO/IL: UNP position timeline

BLAIR WILLIAM & CO/IL held 487,778 UNP shares at 2026-06-30 per its 13F-HR filed 2026-08-11.

the latest 13F is the newest step

1. period ended2026-06-30

   13F 487,778 shares

   Change vs previous 13F -27,051 shares

   0.35% of the 13F portfolio, value $132,675,614.

   13F-HR 0001104659-26-093821 filed by BLAIR WILLIAM & CO/IL
   Filed 2026-08-11 (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).

2. period ended2026-03-31

   13F 514,829 shares

   Change vs previous 13F +44,455 shares

   0.36% of the 13F portfolio, value $124,907,914.

   13F-HR 0001104659-26-057897 filed by BLAIR WILLIAM & CO/IL
   Filed 2026-05-08 (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).

3. period ended2025-12-31

   13F 470,374 shares

   Change vs previous 13F -13,627 shares

   0.29% of the 13F portfolio, value $108,806,876.

   13F-HR 0001104659-26-015563 filed by BLAIR WILLIAM & CO/IL
   Filed 2026-02-17 (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).

4. period ended2025-09-30

   13F 484,001 shares

   Change vs previous 13F -13,858 shares

   0.3% of the 13F portfolio, value $114,403,386.

   13F-HR 0001104659-25-109927 filed by BLAIR WILLIAM & CO/IL
   Filed 2025-11-12 (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).

5. period ended2025-06-30

   13F 497,859 shares

   Change vs previous 13F -19,538 shares

   0.32% of the 13F portfolio, value $114,547,328.

   13F-HR 0001104659-25-070274 filed by BLAIR WILLIAM & CO/IL
   Filed 2025-07-24 (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).

6. period ended2025-03-31

   13F 517,397 shares

   Change vs previous 13F -39,233 shares

   0.37% of the 13F portfolio, value $122,229,935.

   13F-HR 0001104659-25-046545 filed by BLAIR WILLIAM & CO/IL
   Filed 2025-05-09 (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).

7. period ended2024-12-31

   13F 556,630 shares

   Change vs previous 13F -41,506 shares

   0.37% of the 13F portfolio, value $126,933,852.

   13F-HR 0001104659-25-011872 filed by BLAIR WILLIAM & CO/IL
   Filed 2025-02-12 (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).

8. period ended2024-09-30

   13F 598,136 shares

   Change vs previous 13F not available

   0.43% of the 13F portfolio, value $147,428,486.

   13F-HR 0001104659-24-116499 filed by BLAIR WILLIAM & CO/IL
   Filed 2024-11-12 (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).