QUIDEL CORP

CUSIP: 74838J101 Class: COMMON STOCK

BLAIR WILLIAM & CO/IL's Holding History (CIK: 0000902367)

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

Q1 2022
Shares 184,031 Value ($000) $20,696 Avg Close — Range —
Q4 2021
Shares 223,177 Value ($000) $30,127 Avg Close — Range —
Q3 2021
Shares 272,095 Value ($000) $38,406 Avg Close — Range —
Q2 2021
Shares 296,175 Value ($000) $37,946 Avg Close — Range —
Q1 2021
Shares 338,007 Value ($000) $43,241 Avg Close — Range —
Q4 2020
Shares 336,930 Value ($000) $60,529 Avg Close — Range —
Q3 2020
Shares 266,493 Value ($000) $58,463 Avg Close — Range —
Q2 2020
Shares 86,060 Value ($000) $19,255 Avg Close — Range —
Q4 2018
Shares 850 Value ($000) $41 Avg Close — Range —
Q1 2014
Shares 357,446 Value ($000) $9,757 Avg Close — Range —
Q4 2013
Shares 371,899 Value ($000) $11,488 Avg Close — Range —
Q3 2013
Shares 356,434 Value ($000) $10,123 Avg Close — Range —
Q2 2013
Shares 370,565 Value ($000) $9,461 Avg Close — Range —