Calamos Advisors LLC - QUIDEL CORP ownership

QUIDEL CORP's ticker is QDEL and the CUSIP is 74838J101. A total of 390 filers reported holding QUIDEL CORP in Q4 2020. The put-call ratio across all filers is 1.38 and the average weighting 0.2%.

Quarter-by-quarter ownership
Calamos Advisors LLC ownership history of QUIDEL CORP
ValueSharesWeighting
Q3 2020$3,066,000
+52.4%
13,975
+55.4%
0.02%
+42.9%
Q2 2020$2,012,000
+553.2%
8,993
+42.5%
0.01%
+600.0%
Q4 2018$308,000
-27.0%
6,310
-2.5%
0.00%0.0%
Q3 2018$422,0006,4700.00%
Other shareholders
QUIDEL CORP shareholders Q4 2020
NameSharesValueWeighting ↓
ORACLE INVESTMENT MANAGEMENT INC 855,068$115,426,00016.40%
Divisadero Street Capital Management, LP 63,619$8,588,0007.17%
Birchview Capital, LP 59,684$8,057,0005.20%
Senvest Management, LLC 1,274,098$171,990,0004.84%
Pavadi Capital LLC 31,571$4,262,0003.23%
Brown Capital Management 2,642,671$356,734,0002.95%
Kent Lake Capital LLC 40,000$5,400,0002.80%
LGT CAPITAL PARTNERS LTD. 666,060$89,911,0002.39%
GAGNON SECURITIES LLC 103,121$13,920,0002.09%
INVESTMENT MANAGEMENT OF VIRGINIA LLC 80,753$10,901,0001.76%
View complete list of QUIDEL CORP shareholders