QUIDEL CORP

CUSIP: 74838J101 Class: COMMON STOCK

ALLIANCEBERNSTEIN L.P.'s Holding History (CIK: 0001109448)

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

Q1 2022
Shares 129,767 Value ($000) $14,594 Avg Close — Range —
Q4 2021
Shares 57,369 Value ($000) $7,744 Avg Close — Range —
Q3 2021
Shares 57,539 Value ($000) $8,122 Avg Close — Range —
Q2 2021
Shares 59,010 Value ($000) $7,560 Avg Close — Range —
Q1 2021
Shares 62,558 Value ($000) $8,003 Avg Close — Range —
Q4 2020
Shares 61,683 Value ($000) $11,081 Avg Close — Range —
Q3 2020
Shares 64,318 Value ($000) $14,110 Avg Close — Range —
Q2 2020
Shares 72,348 Value ($000) $16,187 Avg Close — Range —
Q1 2020
Shares 52,349 Value ($000) $5,120 Avg Close — Range —
Q4 2019
Shares 49,549 Value ($000) $3,718 Avg Close — Range —
Q3 2019
Shares 49,349 Value ($000) $3,028 Avg Close — Range —
Q2 2019
Shares 49,349 Value ($000) $2,927 Avg Close — Range —
Q1 2019
Shares 48,649 Value ($000) $3,185 Avg Close — Range —
Q4 2018
Shares 48,349 Value ($000) $2,360 Avg Close — Range —
Q3 2018
Shares 47,949 Value ($000) $3,125 Avg Close — Range —
Q2 2018
Shares 47,949 Value ($000) $3,189 Avg Close — Range —
Q1 2018
Shares 41,549 Value ($000) $2,153 Avg Close — Range —
Q4 2017
Shares 42,549 Value ($000) $1,844 Avg Close — Range —
Q3 2017
Shares 42,549 Value ($000) $1,866 Avg Close — Range —
Q2 2017
Shares 42,549 Value ($000) $1,155 Avg Close — Range —
Q1 2017
Shares 45,049 Value ($000) $1,020 Avg Close — Range —
Q4 2016
Shares 46,649 Value ($000) $999 Avg Close — Range —
Q3 2016
Shares 46,649 Value ($000) $1,030 Avg Close — Range —
Q2 2016
Shares 51,049 Value ($000) $912 Avg Close — Range —
Q1 2016
Shares 51,049 Value ($000) $881 Avg Close — Range —
Q4 2015
Shares 51,049 Value ($000) $1,082 Avg Close — Range —
Q3 2015
Shares 51,049 Value ($000) $964 Avg Close — Range —
Q2 2015
Shares 52,829 Value ($000) $1,212 Avg Close — Range —
Q1 2015
Shares 54,029 Value ($000) $1,458 Avg Close — Range —
Q4 2014
Shares 54,029 Value ($000) $1,563 Avg Close — Range —
Q3 2014
Shares 54,029 Value ($000) $1,452 Avg Close — Range —
Q2 2014
Shares 54,029 Value ($000) $1,195 Avg Close — Range —
Q1 2014
Shares 54,029 Value ($000) $1,475 Avg Close — Range —
Q4 2013
Shares 54,029 Value ($000) $1,669 Avg Close — Range —
Q3 2013
Shares 53,229 Value ($000) $1,512 Avg Close — Range —
Q2 2013
Shares 53,713 Value ($000) $1,371 Avg Close — Range —