SpiderRock Trading LLC - OSI SYSTEMS INC ownership

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OSI SYSTEMS INC's ticker is and the CUSIP is 67104410. A total of 1 filers reported holding OSI SYSTEMS INC in Q2 2014. The put-call ratio across all filers is - and the average weighting 0.3%.

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Quarter-by-quarter ownership
SpiderRock Trading LLC ownership history of OSI SYSTEMS INC
ValueSharesWeighting
Q4 2014$0
-100.0%
100
-86.5%
0.00%
-100.0%
Q3 2014$47,000
-40.5%
741
-38.1%
0.16%
-53.2%
Q2 2014$79,000
+139.4%
1,198
+117.8%
0.34%
+102.4%
Q1 2014$33,000
+57.1%
550
+98.6%
0.17%
+33.9%
Q3 2013$21,000–277–0.13%–
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Other shareholders
OSI SYSTEMS INC shareholders Q2 2014
NameSharesValueWeighting ↓
SpiderRock Trading LLC 1,198$79,0000.34%
View complete list of OSI SYSTEMS INC shareholders