what is the most performance mega cap stock between january 1 1983 and december 30 1985

Berkshire Hathaway (BRK.A) had the highest return between January 1, 1983 and December 30, 1985 by a mega-cap US stock, returning 220%.

ASSET DATE % RETURN
Berkshire Hathaway (BRK.A)
1/1/1983 - 12/30/1985
220%
Walmart (WMT)
1/1/1983 - 12/30/1985
159.53%
McDonald’s (MCD)
1/1/1983 - 12/30/1985
144.2%
UnitedHealth (UNH)
1/1/1983 - 12/30/1985
130.96%
Eli Lilly and (LLY)
1/1/1983 - 12/30/1985
119.29%
JPMorgan Chase (JPM)
1/1/1983 - 12/30/1985
99.44%
Abbott Laboratories (ABT)
1/1/1983 - 12/30/1985
94.22%
American Express (AXP)
1/1/1983 - 12/30/1985
89.11%
Coca-Cola (KO)
1/1/1983 - 12/30/1985
88.34%
Walt Disney (DIS)
1/1/1983 - 12/30/1985
84.75%
International Business Machines (IBM)
1/1/1983 - 12/30/1985
84.72%
Merck (MRK)
1/1/1983 - 12/30/1985
77.04%
GE Aerospace (GE)
1/1/1983 - 12/30/1985
72.38%
AT&T (T)
1/1/1983 - 12/30/1985
67.18%
Wells Fargo (WFC)
1/1/1983 - 12/30/1985
52.36%
Toyota Motor Corporation ADR (TM)
1/1/1983 - 12/30/1985
43.03%
Chevron (CVX)
1/1/1983 - 12/30/1985
42.32%
Procter & Gamble (PG)
1/1/1983 - 12/30/1985
37.29%
Bank of America (BAC)
1/1/1983 - 12/30/1985
30.15%
Exxon Mobil (XOM)
1/1/1983 - 12/30/1985
23.23%
Costco Wholesale (COST)
1/1/1983 - 12/30/1985
10.53%
Johnson & Johnson (JNJ)
1/1/1983 - 12/30/1985
6.35%
Home Depot (HD)
1/1/1983 - 12/30/1985
1.56%
Advanced Micro Devices (AMD)
1/1/1983 - 12/30/1985
-4.53%
Shell PLC ADR (SHEL)
1/1/1983 - 12/30/1985
-10.71%
Mega-cap stocks are treated as having a market cap of $200B+.