QUIDEL CORP

CUSIP: 74838J101 Class: COMMON STOCK

FRED ALGER MANAGEMENT, LLC's Holding History (CIK: 0000003520)

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

Q1 2022
Shares 1,709,047 Value ($000) $192,199 Avg Close — Range —
Q4 2021
Shares 2,223,343 Value ($000) $300,129 Avg Close — Range —
Q3 2021
Shares 1,641,988 Value ($000) $231,767 Avg Close — Range —
Q2 2021
Shares 1,655,262 Value ($000) $212,072 Avg Close — Range —
Q1 2021
Shares 1,189,424 Value ($000) $152,163 Avg Close — Range —
Q4 2020
Shares 1,486,592 Value ($000) $267,066 Avg Close — Range —
Q3 2020
Shares 1,609,095 Value ($000) $353,003 Avg Close — Range —
Q2 2020
Shares 1,569,911 Value ($000) $351,252 Avg Close — Range —
Q1 2020
Shares 2,030,029 Value ($000) $198,557 Avg Close — Range —
Q4 2019
Shares 1,670,790 Value ($000) $125,359 Avg Close — Range —
Q3 2019
Shares 1,636,400 Value ($000) $100,393 Avg Close — Range —
Q2 2019
Shares 1,557,120 Value ($000) $92,368 Avg Close — Range —
Q1 2019
Shares 1,067,910 Value ($000) $69,916 Avg Close — Range —
Q4 2018
Shares 1,087,392 Value ($000) $53,086 Avg Close — Range —
Q3 2018
Shares 1,482,979 Value ($000) $96,646 Avg Close — Range —
Q2 2018
Shares 1,157,905 Value ($000) $77,001 Avg Close — Range —
Q1 2018
Shares 1,077,051 Value ($000) $55,802 Avg Close — Range —
Q4 2017
Shares 985,376 Value ($000) $42,716 Avg Close — Range —
Q3 2017
Shares 918,450 Value ($000) $40,283 Avg Close — Range —
Q2 2017
Shares 672,880 Value ($000) $18,262 Avg Close — Range —
Q1 2017
Shares 670,123 Value ($000) $15,172 Avg Close — Range —
Q4 2016
Shares 582,821 Value ($000) $12,484 Avg Close — Range —
Q3 2016
Shares 570,402 Value ($000) $12,600 Avg Close — Range —
Q2 2016
Shares 620,549 Value ($000) $11,083 Avg Close — Range —
Q1 2016
Shares 622,148 Value ($000) $10,738 Avg Close — Range —
Q4 2015
Shares 627,087 Value ($000) $13,294 Avg Close — Range —
Q3 2015
Shares 583,928 Value ($000) $11,025 Avg Close — Range —
Q2 2015
Shares 467,613 Value ($000) $10,732 Avg Close — Range —
Q1 2015
Shares 459,225 Value ($000) $12,390 Avg Close — Range —