Calamos Advisors LLC - OSI SYSTEMS INC ownership

OSI SYSTEMS INC's ticker is and the CUSIP is 671044AD7. A total of 34 filers reported holding OSI SYSTEMS INC in Q1 2021. The put-call ratio across all filers is - and the average weighting 0.3%.

Quarter-by-quarter ownership
Calamos Advisors LLC ownership history of OSI SYSTEMS INC
ValueSharesWeighting
Q2 2022$9,999,000
-0.3%
10,000,0000.0%0.04%
+13.2%
Q1 2022$10,029,000
-2.4%
10,000,0000.0%0.04%0.0%
Q4 2021$10,278,000
-1.5%
10,000,0000.0%0.04%
-17.4%
Q3 2021$10,434,000
-2.3%
10,000,0000.0%0.05%
-6.1%
Q2 2021$10,680,000
-1.3%
10,000,0000.0%0.05%
-16.9%
Q1 2021$10,825,000
+0.7%
10,000,0000.0%0.06%
-4.8%
Q4 2020$10,752,000
+6.2%
10,000,0000.0%0.06%
-4.6%
Q3 2020$10,122,000
+5.1%
10,000,0000.0%0.06%
-4.4%
Q2 2020$9,632,000
+2.7%
10,000,0000.0%0.07%
-8.1%
Q1 2020$9,382,000
-71.1%
10,000,000
-66.2%
0.07%
-54.0%
Q4 2019$32,483,000
-2.2%
29,598,000
-0.1%
0.16%
-11.0%
Q3 2019$33,199,000
-5.3%
29,622,000
+0.1%
0.18%
-7.2%
Q2 2019$35,043,000
+16.0%
29,588,000
-0.5%
0.20%
+3.2%
Q1 2019$30,221,000
+15.3%
29,728,000
+4.7%
0.19%
+9.2%
Q4 2018$26,202,000
-3.9%
28,401,0000.0%0.17%
+15.3%
Q3 2018$27,278,000
-1.6%
28,401,000
-0.5%
0.15%
-11.2%
Q2 2018$27,716,000
+6.7%
28,531,0000.0%0.17%0.0%
Q1 2018$25,972,00028,531,0000.17%
Other shareholders
OSI SYSTEMS INC shareholders Q1 2021
NameSharesValueWeighting ↓
Wellesley Asset Management 39,504$42,434,0005.09%
CAMDEN ASSET MANAGEMENT L P /CA 48,566,000$52,360,0002.56%
OSTERWEIS CAPITAL MANAGEMENT INC 19,530,000$21,153,0001.15%
ADVENT CAPITAL MANAGEMENT /DE/ 25,687,000$27,660,0000.60%
CSS LLC/IL 7,500,000$8,085,0000.33%
WESTWOOD HOLDINGS GROUP INC 27,655,000$29,965,0000.30%
AQR Arbitrage LLC 7,650,000$8,286,0000.30%
SSI INVESTMENT MANAGEMENT LLC 3,075,000$3,315,0000.24%
WOLVERINE ASSET MANAGEMENT LLC 21,477,000$23,163,0000.20%
IRON Financial LLC 310,000$334,0000.18%
View complete list of OSI SYSTEMS INC shareholders