Citadel Advisors - OSI SYSTEMS INC ownership

OSI SYSTEMS INC's ticker is and the CUSIP is 671044AD7. A total of 36 filers reported holding OSI SYSTEMS INC in Q1 2020. The put-call ratio across all filers is - and the average weighting 0.3%.

Quarter-by-quarter ownership
Citadel Advisors ownership history of OSI SYSTEMS INC
ValueSharesWeighting
Q2 2021$8,706,000
-70.8%
8,150,000
-70.5%
0.00%
-71.4%
Q1 2021$29,806,000
-4.6%
27,650,000
-5.1%
0.01%
-12.5%
Q4 2020$31,255,000
+6.2%
29,150,0000.0%0.01%0.0%
Q3 2020$29,425,000
+22.0%
29,150,000
+15.9%
0.01%
-11.1%
Q2 2020$24,117,000
+1.8%
25,150,0000.0%0.01%
-18.2%
Q1 2020$23,682,000
+42.5%
25,150,000
+66.0%
0.01%
+57.1%
Q4 2019$16,619,000
-13.4%
15,150,000
-11.7%
0.01%
-22.2%
Q3 2019$19,198,000
-19.7%
17,150,000
-14.9%
0.01%
-18.2%
Q2 2019$23,921,000
+3.8%
20,150,000
-11.0%
0.01%0.0%
Q1 2019$23,047,000
+104.5%
22,650,000
+86.4%
0.01%
+83.3%
Q4 2018$11,269,000
+25.1%
12,150,000
+29.3%
0.01%
+50.0%
Q3 2018$9,005,000
-23.6%
9,400,000
-22.6%
0.00%
-33.3%
Q2 2018$11,789,000
-32.3%
12,150,000
-36.6%
0.01%
-33.3%
Q1 2018$17,409,00019,150,0000.01%
Other shareholders
OSI SYSTEMS INC shareholders Q1 2020
NameSharesValueWeighting ↓
Wellesley Asset Management 30,265$30,543,0003.39%
CAMDEN ASSET MANAGEMENT L P /CA 57,316,000$57,350,0001.83%
OSTERWEIS CAPITAL MANAGEMENT INC 19,530,000$19,737,0001.33%
ADVENT CAPITAL MANAGEMENT /DE/ 24,717,000$24,999,0000.55%
WESTWOOD HOLDINGS GROUP INC 27,655,000$28,019,0000.36%
CSS LLC/IL 5,000,000$5,066,0000.24%
WOLVERINE ASSET MANAGEMENT LLC 26,447,000$26,763,0000.24%
PALISADE CAPITAL MANAGEMENT, LP 6,933,000$7,002,0000.21%
AQR Arbitrage LLC 5,450,000$5,508,0000.20%
SSI INVESTMENT MANAGEMENT LLC 2,075,000$2,076,0000.18%
View complete list of OSI SYSTEMS INC shareholders