AlphaOne Investment Services, LLC - OSI SYSTEMS INC ownership

OSI SYSTEMS INC's ticker is OSIS and the CUSIP is 671044105. A total of 161 filers reported holding OSI SYSTEMS INC in Q1 2014. The put-call ratio across all filers is 0.17 and the average weighting 0.2%.

Quarter-by-quarter ownership
AlphaOne Investment Services, LLC ownership history of OSI SYSTEMS INC
ValueSharesWeighting
Q4 2013$656,000
-59.7%
12,360
-43.5%
0.14%
-65.5%
Q3 2013$1,628,000
+157.2%
21,865
+122.6%
0.42%
+142.7%
Q2 2013$633,0009,8230.17%
Other shareholders
OSI SYSTEMS INC shareholders Q1 2014
NameSharesValueWeighting ↓
Prospect Capital Advisors, LLC 135,420$9,758,0005.15%
NEUMEIER POMA INVESTMENT COUNSEL LLC 339,509$24,465,0002.42%
Walthausen & Co., LLC 15,530$1,119,0000.93%
Zebra Capital Management LLC 3,281$236,0000.90%
Bridge City Capital, LLC 18,700$1,348,0000.74%
CARDINAL CAPITAL MANAGEMENT LLC /CT 222,007$15,998,0000.55%
SYSTEMATIC FINANCIAL MANAGEMENT LP 173,441$12,498,0000.46%
Granahan Investment Management 113,649$8,190,0000.27%
Supplemental Annuity Collective Trust of NJ 8,000$576,0000.25%
Campbell & CO Investment Adviser LLC 14,192$1,023,0000.23%
View complete list of OSI SYSTEMS INC shareholders