GARDNER RUSSO & QUINN LLC: MA position timeline

GARDNER RUSSO & QUINN LLC held 1,522,395 MA shares at 2026-06-30 per its 13F-HR filed 2026-08-13.

the latest 13F is the newest step

1. period ended2026-06-30

   13F 1,522,395 shares

   Change vs previous 13F -32,746 shares

   8.76% of the 13F portfolio, value $781,901,965.

   13F-HR 0000860643-26-000005 filed by GARDNER RUSSO & QUINN LLC
   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).

2. period ended2026-03-31

   13F 1,555,141 shares

   Change vs previous 13F -30,858 shares

   9.15% of the 13F portfolio, value $777,041,820.

   13F-HR 0000860643-26-000003 filed by GARDNER RUSSO & QUINN LLC
   Filed 2026-05-13 (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 1,585,999 shares

   Change vs previous 13F -34,273 shares

   9.77% of the 13F portfolio, value $905,414,977.

   13F-HR 0000860643-26-000001 filed by GARDNER RUSSO & QUINN LLC
   Filed 2026-02-12 (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 1,620,272 shares

   Change vs previous 13F -62,779 shares

   9.88% of the 13F portfolio, value $921,626,733.

   13F-HR 0000860643-25-000007 filed by GARDNER RUSSO & QUINN LLC
   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 1,683,051 shares

   Change vs previous 13F -33,323 shares

   10.05% of the 13F portfolio, value $945,773,656.

   13F-HR 0000860643-25-000004 filed by GARDNER RUSSO & QUINN LLC
   Filed 2025-08-13 (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 1,716,374 shares

   Change vs previous 13F -168,290 shares

   10.55% of the 13F portfolio, value $940,779,026.

   13F-HR 0000860643-25-000003 filed by GARDNER RUSSO & QUINN LLC
   Filed 2025-05-13 (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 1,884,664 shares

   Change vs previous 13F -126,644 shares

   11.22% of the 13F portfolio, value $992,407,733.

   13F-HR 0000860643-25-000001 filed by GARDNER RUSSO & QUINN LLC
   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 2,011,308 shares

   Change vs previous 13F not available

   10.2% of the 13F portfolio, value $993,184,093.

   13F-HR 0000860643-24-000007 filed by GARDNER RUSSO & QUINN LLC
   Filed 2024-11-13 (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).