Citadel Advisors - QUIDEL CORP ownership

QUIDEL CORP's ticker is and the CUSIP is 74838JAA9. A total of 19 filers reported holding QUIDEL CORP in Q2 2018. The put-call ratio across all filers is - and the average weighting 0.3%.

Quarter-by-quarter ownership
Citadel Advisors ownership history of QUIDEL CORP
ValueSharesWeighting
Q1 2019$21,410,000
+157.6%
10,168,000
+96.7%
0.01%
+120.0%
Q4 2018$8,312,000
+1589.4%
5,168,000
+1726.1%
0.01%
Q1 2018$492,000
-97.7%
283,000
-98.0%
0.00%
-100.0%
Q4 2017$21,315,000
-37.8%
14,100,000
-37.6%
0.01%
-50.0%
Q3 2017$34,257,000
+9.7%
22,600,000
-19.6%
0.03%0.0%
Q2 2017$31,238,000
+8.1%
28,100,0000.0%0.03%0.0%
Q1 2017$28,891,000
+37.8%
28,100,000
+33.2%
0.03%
+23.8%
Q4 2016$20,962,000
+29.9%
21,100,000
+31.9%
0.02%
+31.2%
Q3 2016$16,133,000
+8.2%
16,000,0000.0%0.02%
-5.9%
Q2 2016$14,904,000
+3.7%
16,000,0000.0%0.02%
-5.6%
Q1 2016$14,376,000
-13.1%
16,000,000
-5.9%
0.02%0.0%
Q4 2015$16,552,000
+4.7%
17,000,0000.0%0.02%
+20.0%
Q3 2015$15,810,000
-7.0%
17,000,0000.0%0.02%0.0%
Q2 2015$17,005,000
-21.9%
17,000,000
-15.0%
0.02%
-28.6%
Q1 2015$21,776,000
+30.0%
20,000,000
+33.3%
0.02%
+31.2%
Q4 2014$16,756,00015,000,0000.02%
Other shareholders
QUIDEL CORP shareholders Q2 2018
NameSharesValueWeighting ↓
LINDEN ADVISORS LP 24,000,000$26,816,0005.07%
Context Capital Management, LLC 1,750,000$1,964,0002.44%
TENOR CAPITAL MANAGEMENT Co., L.P. 6,500,000$7,282,0001.93%
Sage Capital Management, LLC 1,500,000$1,671,0001.80%
GRACE BROTHERS MANAGEMENT LLC 1,250,000$1,398,0001.34%
Man Investments (CH) AG 1,800,000$2,050,0001.07%
GUARDIAN LIFE INSURANCE CO OF AMERICA 8,000,000$8,915,0000.91%
BASSO CAPITAL MANAGEMENT, L.P. 4,000,000$4,465,0000.71%
Mohican Financial Management, LLC 1,000,000$1,114,0000.55%
CSS LLC/IL 9,500,000$10,626,0000.53%
View complete list of QUIDEL CORP shareholders