#1 in mountain skiing

 #1 in downhill is winter sign Aquarius - 4 gold medals, other signs - 2 at maximum

Egon Zimmermann, Pirmin Zurbriggen, Tommy Moe, Feuz Beat

#1 in supergiant is Virgo (6 gold medals)

Franck Piccard, Kjetil Aamodt (3 gold medals), Markus Wasmayer, Jansrud Kjetil

#1 in giant slalom is Pisces (5 gold medals). Pisces is a winter sign (Feb 19-March 20). March is winter in Norway or Russia, Austria, and Switzerland. 

Gustav Thoni, Ingemar Stenmark, Max Julen, Benni Raich, Marsel Hirscher 

#1 in slalom is Pisces (5 gold medals) 

Hinterseer Ernst, Pakito Ochoa, Hans-Petter, Vidal Jann-Pierre, Reich Benjamin

 

 

#1 in combination/super combination: Virgo and Scorpio (3 gold medals each)

Aamodt Andre, Ted Ligety, Strloz Johannes - Virgo

Franz Pfnur, Josef Polig, Mario Reiter - Scorpio

 

Total: Virgo 14, Pisces 11 

Virgo is #1 by the total number of gold medals, it is the strongest in sports in general.