GAMCO INVESTORS INC

Ticker: GAMI CUSIP: 361438104 Class: COM

Walleye Trading LLC's Holding History (CIK: 0001388391)

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

Q3 2016

Shares 700 Value ($000) $20 Avg Close $23.98 Range $21.46 - $27.00

Q2 2016

Shares 1,200 Value ($000) $39 Avg Close $27.71 Range $23.75 - $31.56

Q1 2016

Shares 2,300 Value ($000) $85 Avg Close $24.69 Range $19.65 - $29.24

Q4 2015

Shares 1,000 Value ($000) $31 Avg Close $24.16 Range $21.55 - $27.30

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2016	700	$20	$23.98	$21.46 - $27.00
Q2 2016	1,200	$39	$27.71	$23.75 - $31.56
Q1 2016	2,300	$85	$24.69	$19.65 - $29.24
Q4 2015	1,000	$31	$24.16	$21.55 - $27.30