Allston Trading

Allston Trading as of Dec. 31, 2011

Portfolio Holdings for Allston Trading

Allston Trading holds 23 positions in its portfolio as reported in the December 2011 quarterly 13F filing

Company (Ticker) Portfolio Weight Valued At Change in Shares Share Count Share Price
Spdr S&p 500 Etf (SPY) 40.4 $18M 143k 125.60
PowerShares QQQ Trust, Series 1 27.9 $12M 223k 55.81
Vanguard Emerging Markets ETF (VWO) 4.0 $1.8M 46k 38.27
Google 3.2 $1.4M 2.2k 645.88
Market Vectors Gold Miners ETF 2.8 $1.3M 24k 51.42
Apple (AAPL) 2.6 $1.2M 2.9k 405.10
Intel Corporation (INTC) 2.4 $1.1M 45k 24.26
Bank of America Corporation (BAC) 1.7 $773k 139k 5.56
Direxion Shs Etf Tr dly smcap bear3x 1.7 $745k 28k 26.64
Royal Dutch Shell 1.6 $727k 9.9k 73.12
SPDR Dow Jones Industrial Average ETF (DIA) 1.6 $710k 5.8k 121.94
Vanguard Europe Pacific ETF (VEA) 1.6 $704k 23k 30.61
Unilever (UL) 1.5 $671k 20k 33.55
ProShares Ultra S&P500 (SSO) 1.2 $530k 11k 46.43
SPDR Gold Trust (GLD) 1.2 $520k 3.4k 152.10
Newmont Mining Corporation (NEM) 1.0 $434k 7.2k 59.98
General Motors Company (GM) 0.8 $370k 18k 20.28
Microsoft Corporation (MSFT) 0.7 $290k 11k 25.94
Ford Motor Company (F) 0.6 $265k 25k 10.77
Dell 0.6 $262k 18k 14.67
SanDisk Corporation 0.6 $258k 5.2k 49.29
Alcoa 0.3 $130k 15k 8.67
Us Natural Gas Fd Etf 0.2 $70k 11k 6.43