GARDNER RUSSO & QUINN LLC
- CIK
- 0000860643
- Security
- BRKA, GOOG, MA, PM, Heineken Holding NV
- Source
- SEC Form 13F
- Action
- Latest 13F portfolio update
- Magnitude
- $8,496,278,296
- Period
- Q1 2026
Top reported holdings: BRKA, GOOG, MA, PM, Heineken Holding NV.
Search once and jump to linked CIK, CUSIP, 13F, 13D/G, insider, or company-facts pages.
Fresh SEC changes
Top reported holdings: BRKA, GOOG, MA, PM, Heineken Holding NV.
Top reported symbols: BRAI.
Industry: Gold and Silver Ores.
Additional CIK/CUSIP links surfaced from recent recovery signals.
SEC-backed rankings
Ownership move preview
Largest net insider buys in the current 3 months window.
1 net insiders bought over the current 3 months window.
19 net insiders bought over the current 3 months window.
5 net insiders bought over the current 3 months window.
Top securities accumulated across institutional 13F portfolios.
1987 reported 13F buy activities in the latest quarter.
1878 reported 13F buy activities in the latest quarter.
1787 reported 13F buy activities in the latest quarter.