QUIDEL CORP

CUSIP: 74838J101 Class: COMMON STOCK

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP's Holding History (CIK: 0001164508)

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

Q4 2020
Shares 397,071 Value ($000) $71,334 Avg Close — Range —
Q3 2020
Shares 433,132 Value ($000) $95,020 Avg Close — Range —
Q2 2020
Shares 62,901 Value ($000) $14,073 Avg Close — Range —
Q1 2020
Shares 16,100 Value ($000) $1,575 Avg Close — Range —
Q1 2019
Shares 22,500 Value ($000) $1,473 Avg Close — Range —
Q3 2018
Shares 5,100 Value ($000) $332 Avg Close — Range —
Q2 2018
Shares 13,082 Value ($000) $870 Avg Close — Range —
Q2 2017
Shares 96,520 Value ($000) $2,620 Avg Close — Range —