Allston Trading

Allston Trading as of March 31, 2013

Portfolio Holdings for Allston Trading

Allston Trading holds 5 positions in its portfolio as reported in the March 2013 quarterly 13F filing

Company (Ticker) Portfolio Weight Valued At Change in Shares Share Count Share Price
PowerShares QQQ Trust, Series 1 59.7 $44M 633k 69.02
Spdr S&p 500 Etf (SPY) 29.6 $22M 138k 156.70
Vanguard Emerging Markets ETF (VWO) 7.3 $5.3M 124k 42.88
Apple (AAPL) 2.7 $2.0M 4.5k 442.52
Facebook Inc cl a (META) 0.7 $498k 20k 25.57