QUIDEL CORP

CUSIP: 74838J101 Class: COMMON STOCK

DIMENSIONAL FUND ADVISORS LP's Holding History (CIK: 0000354204)

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

Q1 2022
Shares 610,752 Value ($000) $68,686 Avg Close — Range —
Q4 2021
Shares 509,942 Value ($000) $68,833 Avg Close — Range —
Q3 2021
Shares 377,442 Value ($000) $53,275 Avg Close — Range —
Q2 2021
Shares 276,330 Value ($000) $35,408 Avg Close — Range —
Q1 2021
Shares 291,316 Value ($000) $37,307 Avg Close — Range —
Q4 2020
Shares 369,888 Value ($000) $66,457 Avg Close — Range —
Q3 2020
Shares 684,424 Value ($000) $150,142 Avg Close — Range —
Q2 2020
Shares 724,410 Value ($000) $162,056 Avg Close — Range —
Q1 2020
Shares 767,830 Value ($000) $75,110 Avg Close — Range —
Q4 2019
Shares 754,844 Value ($000) $56,634 Avg Close — Range —
Q3 2019
Shares 760,839 Value ($000) $46,676 Avg Close — Range —
Q2 2019
Shares 756,157 Value ($000) $44,855 Avg Close — Range —
Q1 2019
Shares 749,233 Value ($000) $49,052 Avg Close — Range —
Q4 2018
Shares 861,159 Value ($000) $42,041 Avg Close — Range —
Q3 2018
Shares 844,118 Value ($000) $55,010 Avg Close — Range —
Q2 2018
Shares 874,180 Value ($000) $58,133 Avg Close — Range —
Q1 2018
Shares 925,055 Value ($000) $47,927 Avg Close — Range —
Q4 2017
Shares 848,716 Value ($000) $36,793 Avg Close — Range —
Q3 2017
Shares 844,974 Value ($000) $37,061 Avg Close — Range —
Q2 2017
Shares 846,957 Value ($000) $22,987 Avg Close — Range —
Q1 2017
Shares 847,973 Value ($000) $19,198 Avg Close — Range —
Q4 2016
Shares 855,059 Value ($000) $18,315 Avg Close — Range —
Q3 2016
Shares 886,280 Value ($000) $19,576 Avg Close — Range —
Q2 2016
Shares 895,085 Value ($000) $15,986 Avg Close — Range —
Q1 2016
Shares 914,491 Value ($000) $15,784 Avg Close — Range —
Q4 2015
Shares 801,382 Value ($000) $16,989 Avg Close — Range —
Q3 2015
Shares 774,487 Value ($000) $14,622 Avg Close — Range —
Q2 2015
Shares 647,525 Value ($000) $14,861 Avg Close — Range —
Q1 2015
Shares 636,187 Value ($000) $17,164 Avg Close — Range —
Q4 2014
Shares 613,590 Value ($000) $17,745 Avg Close — Range —
Q3 2014
Shares 687,231 Value ($000) $18,466 Avg Close — Range —
Q2 2014
Shares 713,657 Value ($000) $15,779 Avg Close — Range —
Q1 2014
Shares 700,493 Value ($000) $19,124 Avg Close — Range —
Q4 2013
Shares 707,030 Value ($000) $21,838 Avg Close — Range —
Q3 2013
Shares 706,941 Value ($000) $20,077 Avg Close — Range —
Q2 2013
Shares 689,643 Value ($000) $17,607 Avg Close — Range —