GARDNER RUSSO & QUINN LLC: MLM position timeline

GARDNER RUSSO & QUINN LLC held 705,367 MLM 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 705,367 shares

   Change vs previous 13F -10,044 shares

   4.56% of the 13F portfolio, value $406,784,959.

   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 715,411 shares

   Change vs previous 13F -11,201 shares

   4.96% of the 13F portfolio, value $421,148,042.

   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 726,612 shares

   Change vs previous 13F +39,075 shares

   4.88% of the 13F portfolio, value $452,432,234.

   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 687,537 shares

   Change vs previous 13F -25,242 shares

   4.65% of the 13F portfolio, value $433,340,748.

   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 712,779 shares

   Change vs previous 13F -1,473 shares

   4.16% of the 13F portfolio, value $391,286,919.

   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 714,252 shares

   Change vs previous 13F +7,242 shares

   3.83% of the 13F portfolio, value $341,505,138.

   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 707,010 shares

   Change vs previous 13F -43,062 shares

   4.13% of the 13F portfolio, value $365,170,539.

   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 750,072 shares

   Change vs previous 13F not available

   4.14% of the 13F portfolio, value $403,726,015.

   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).