ULTRA CLEAN HLDGS INC

Ticker: UCTT CUSIP: 90385V107 Class: Common Stock

Quantitative Investment Management, LLC's Holding History (CIK: 0001445911)

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

Q4 2020

Shares 19,040 Value ($000) $593 Avg Close $27.90 Range $21.08 - $37.02

Q3 2019

Shares 43,271 Value ($000) $633 Avg Close $13.88 Range $11.20 - $16.67

Q4 2018

Shares 30,200 Value ($000) $255 Avg Close $9.78 Range $6.94 - $13.00

Q2 2018

Shares 24,900 Value ($000) $413 Avg Close $17.54 Range $15.36 - $19.59

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2020	19,040	$593	$27.90	$21.08 - $37.02
Q3 2019	43,271	$633	$13.88	$11.20 - $16.67
Q4 2018	30,200	$255	$9.78	$6.94 - $13.00
Q2 2018	24,900	$413	$17.54	$15.36 - $19.59