GAMCO INVESTORS INC

Ticker: GAMI CUSIP: 361438104 Class: COM

MARSHALL WACE, LLP's Holding History (CIK: 0001318757)

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

Q4 2019

Shares 5,441 Value ($000) $106 Avg Close $13.51 Range $11.35 - $15.24

Q3 2019

Shares 18,800 Value ($000) $368 Avg Close $14.69 Range $13.17 - $16.00

Q2 2019

Shares 43,540 Value ($000) $835 Avg Close $15.05 Range $12.84 - $17.44

Q1 2019

Shares 12,811 Value ($000) $263 Avg Close $15.11 Range $12.76 - $16.61

Q4 2018

Shares 6,910 Value ($000) $117 Avg Close $15.61 Range $12.41 - $18.39

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2019	5,441	$106	$13.51	$11.35 - $15.24
Q3 2019	18,800	$368	$14.69	$13.17 - $16.00
Q2 2019	43,540	$835	$15.05	$12.84 - $17.44
Q1 2019	12,811	$263	$15.11	$12.76 - $16.61
Q4 2018	6,910	$117	$15.61	$12.41 - $18.39