QUALITY SYS INC

CUSIP: 747582104 Class: COM

NORTHERN TRUST CORP's Holding History (CIK: 0000073124)

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

Q2 2018
Shares 652,714 Value ($000) $12,729 Avg Close — Range —
Q1 2018
Shares 646,962 Value ($000) $8,832 Avg Close — Range —
Q4 2017
Shares 651,934 Value ($000) $8,852 Avg Close — Range —
Q3 2017
Shares 656,296 Value ($000) $10,323 Avg Close — Range —
Q2 2017
Shares 657,054 Value ($000) $11,308 Avg Close — Range —
Q1 2017
Shares 645,765 Value ($000) $9,841 Avg Close — Range —
Q4 2016
Shares 630,791 Value ($000) $8,295 Avg Close — Range —
Q3 2016
Shares 602,173 Value ($000) $6,817 Avg Close — Range —
Q2 2016
Shares 601,326 Value ($000) $7,162 Avg Close — Range —
Q1 2016
Shares 597,986 Value ($000) $9,089 Avg Close — Range —
Q4 2015
Shares 595,191 Value ($000) $9,594 Avg Close — Range —
Q3 2015
Shares 585,913 Value ($000) $7,311 Avg Close — Range —
Q2 2015
Shares 567,908 Value ($000) $9,411 Avg Close — Range —
Q1 2015
Shares 577,327 Value ($000) $9,226 Avg Close — Range —
Q4 2014
Shares 566,354 Value ($000) $8,830 Avg Close — Range —
Q3 2014
Shares 587,280 Value ($000) $8,087 Avg Close — Range —
Q2 2014
Shares 537,172 Value ($000) $8,622 Avg Close — Range —
Q1 2014
Shares 569,802 Value ($000) $9,618 Avg Close — Range —
Q4 2013
Shares 614,113 Value ($000) $12,933 Avg Close — Range —
Q3 2013
Shares 609,199 Value ($000) $13,238 Avg Close — Range —
Q2 2013
Shares 622,008 Value ($000) $11,637 Avg Close — Range —