INTERACTIVE BROKERS GROUP IN

Ticker: IBKR CUSIP: 45841N107 Class: EQTY

Spark Investment Management LLC's Holding History (CIK: 0001554871)

Note: Option positions (PUT/CALL) are excluded.

Q1 2014

Shares 38,600 Value ($000) $835 Avg Close $5.03 Range $4.67 - $5.63

Q4 2013

Shares 138,900 Value ($000) $3,380 Avg Close $5.05 Range $4.23 - $5.67

Q3 2013

Shares 25,000 Value ($000) $468 Avg Close $3.86 Range $3.57 - $4.28

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2014	38,600	$835	$5.03	$4.67 - $5.63
Q4 2013	138,900	$3,380	$5.05	$4.23 - $5.67
Q3 2013	25,000	$468	$3.86	$3.57 - $4.28