The SNB released the latest SDDS data which also include FX reserves figures for October 2012:

FX reserves were CHF424.4bn in October, compared to 429.5bn in September, a fall of 5.1bn (€4.25bn). It’s been a very long time since the SNB reserves actually decreased during a month which is a sign of easing in the Euro area. This is also evident in the EUR/CHF exchange rate chart: