RE:RE:RE:RE:RE:Warrants500 warrant trades by anonymous. TD also seems to be trying to maintain a narrow trading range through the use of W (bypass trades).
It is hard to tell the eact reason for these trades, but my guess is it is an attempt to accumulate a large position without driving up the share/warrant price to quickly.
In the long run it wont matter, as I expect the price to rise over time.