VeriSign (VRSN) had the highest return between 1995 and 1999 by a US stock in the S&P 500 (GSPC) when the return was < 3,800%, returning 3,625.6%.

ASSET	YEARS	% RETURN
VeriSign (VRSN)	1995-1999	3,625.58%
NetApp (NTAP)	1995-1999	3,141.55%
Amazon (AMZN)	1995-1999	3,022.48%
Cisco Systems (CSCO)	1995-1999	2,654.62%
Charles Schwab (SCHW)	1995-1999	1,424.21%
Microsoft (MSFT)	1995-1999	1,418.64%
Skyworks Solutions (SWKS)	1995-1999	1,248.56%
Oracle (ORCL)	1995-1999	1,185.71%
Johnson Controls International (JCI)	1995-1999	1,132.16%
Applied Materials (AMAT)	1995-1999	1,113.81%
F5 Networks (FFIV)	1995-1999	1,012.2%
Cognizant Technology Solutions Corp Class A (CTSH)	1995-1999	993.29%
Match (MTCH)	1995-1999	978.11%
Bio-Techne (TECH)	1995-1999	974.49%
Texas Instruments (TXN)	1995-1999	969.63%
Intel (INTC)	1995-1999	944.97%
Ross Stores (ROST)	1995-1999	923.55%
Dollar Tree (DLTR)	1995-1999	860.71%
Capital One Financial (COF)	1995-1999	845.57%
Morgan Stanley (MS)	1995-1999	840.16%
Expeditors International of Washington (EXPD)	1995-1999	782.56%
Incyte (INCY)	1995-1999	780.72%
Jack Henry & Associates (JKHY)	1995-1999	769.55%
NVR (NVR)	1995-1999	768.18%
TJX Companies (TJX)	1995-1999	738.61%