QUIDEL CORP

CUSIP: 74838J101 Class: COMMON STOCK

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

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

Q1 2022
Shares 300,920 Value ($000) $33,841 Avg Close — Range —
Q4 2021
Shares 306,391 Value ($000) $41,360 Avg Close — Range —
Q3 2021
Shares 310,038 Value ($000) $43,762 Avg Close — Range —
Q2 2021
Shares 319,782 Value ($000) $40,971 Avg Close — Range —
Q1 2021
Shares 332,902 Value ($000) $42,589 Avg Close — Range —
Q4 2020
Shares 311,304 Value ($000) $55,926 Avg Close — Range —
Q3 2020
Shares 315,823 Value ($000) $69,286 Avg Close — Range —
Q2 2020
Shares 315,340 Value ($000) $70,554 Avg Close — Range —
Q1 2020
Shares 478,111 Value ($000) $46,764 Avg Close — Range —
Q4 2019
Shares 468,014 Value ($000) $35,115 Avg Close — Range —
Q3 2019
Shares 481,450 Value ($000) $29,537 Avg Close — Range —
Q2 2019
Shares 454,815 Value ($000) $26,979 Avg Close — Range —
Q1 2019
Shares 449,663 Value ($000) $29,440 Avg Close — Range —
Q4 2018
Shares 445,349 Value ($000) $21,742 Avg Close — Range —
Q3 2018
Shares 450,662 Value ($000) $29,369 Avg Close — Range —
Q2 2018
Shares 423,108 Value ($000) $28,136 Avg Close — Range —
Q1 2018
Shares 366,570 Value ($000) $18,993 Avg Close — Range —
Q4 2017
Shares 368,192 Value ($000) $15,962 Avg Close — Range —
Q3 2017
Shares 368,014 Value ($000) $16,141 Avg Close — Range —
Q2 2017
Shares 377,707 Value ($000) $10,250 Avg Close — Range —
Q1 2017
Shares 353,254 Value ($000) $7,999 Avg Close — Range —
Q4 2016
Shares 349,634 Value ($000) $7,490 Avg Close — Range —
Q3 2016
Shares 346,027 Value ($000) $7,644 Avg Close — Range —
Q2 2016
Shares 344,722 Value ($000) $6,158 Avg Close — Range —
Q1 2016
Shares 349,893 Value ($000) $6,061 Avg Close — Range —
Q4 2015
Shares 339,845 Value ($000) $7,205 Avg Close — Range —
Q3 2015
Shares 339,092 Value ($000) $6,403 Avg Close — Range —
Q2 2015
Shares 336,549 Value ($000) $7,724 Avg Close — Range —
Q1 2015
Shares 357,976 Value ($000) $9,658 Avg Close — Range —
Q4 2014
Shares 358,926 Value ($000) $10,380 Avg Close — Range —
Q3 2014
Shares 367,444 Value ($000) $9,874 Avg Close — Range —
Q2 2014
Shares 366,913 Value ($000) $8,112 Avg Close — Range —
Q1 2014
Shares 417,330 Value ($000) $11,393 Avg Close — Range —
Q4 2013
Shares 422,649 Value ($000) $13,056 Avg Close — Range —
Q3 2013
Shares 415,858 Value ($000) $11,810 Avg Close — Range —
Q2 2013
Shares 426,541 Value ($000) $10,890 Avg Close — Range —