http://www.goldcore.com/us/gold-blog/jp-morgan-cornering-silver-bullion-market/
JPMorgan Chase, the largest U.S. bank, one the largest providers of financial services in the world and one of the most powerful banks in the world has accumulated one of the largest stockpiles of silver the world has ever seen.
The total JP Morgan silver stockpile has increased dramatically in the last four years. In 2011, JP Morgan has little or no physical silver. By 2012, they had acquired 5 million ounces of silver bullion.
Incredibly, in the last 3 years their COMEX silver stockpile has increased tenfold and is now over 55 million ounces (see chart below)