No..the same house..the buyer and seller are listed as the same house.
Generally, large crosses indicate that strong hands want the stock and have found weak hands to sell it. For Alamos, if someone wanted 1.4M shares and started grabbing them at the ask the price would rocket up (and then likely fall back). The cross allows the guy who wants a large block to get it all at the current price. After the trade is complete, you basically have a large amount of stock in the hands of someone who wnats it versus someone trying to get out...hence the bullish factor.
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