SMILEDIRECTCLUB INC

Ticker: SDCCQ CUSIP: 83192H106 Class: USD

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

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

Q3 2020

Shares 48,328 Value ($000) $564 Avg Close $9.19 Range $7.16 - $12.33

Q4 2019

Shares 2,220,452 Value ($000) $19,407 Avg Close $10.00 Range $7.56 - $15.20

Q3 2019

Shares 1,245,790 Value ($000) $17,292 Avg Close $16.68 Range $12.56 - $21.10

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2020	48,328	$564	$9.19	$7.16 - $12.33
Q4 2019	2,220,452	$19,407	$10.00	$7.56 - $15.20
Q3 2019	1,245,790	$17,292	$16.68	$12.56 - $21.10