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 1,759,421$316,080,00039.61%
Birchview Capital, LP 58,644$10,535,0006.07%
Trellus Management Company, LLC 39,810$7,152,0005.90%
MANA Advisors LLC 1,364$245,0004.53%
Cannell & Co. 493,107$88,587,0002.94%
Brown Capital Management 2,282,444$410,041,0002.83%
Trellus Management Company, LLC 15,000$2,695,0002.22%
GAGNON SECURITIES LLC 58,936$10,588,0001.69%
PREMIER ASSET MANAGEMENT LLC 40,470$7,270,0001.49%
Millrace Asset Group, Inc. 11,926$2,143,0001.49%
View complete list of QUIDEL CORP shareholders