GARDNER RUSSO & QUINN LLC: ERFSF position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of GARDNER RUSSO & QUINN LLC on ERFSF, newest first. How the timeline and the estimate are built.

GARDNER RUSSO & QUINN LLC held 4,094,034 ERFSF 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 4,094,034 shares
Change vs previous 13F +997,630 shares
3.6% of the 13F portfolio, value $320,909,414.
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).
period ended2026-03-31
13F 3,096,404 shares
Change vs previous 13F not available
2.63% of the 13F portfolio, value $223,550,621.
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).