WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC - OSI SYSTEMS INC ownership

OSI SYSTEMS INC's ticker is OSIS and the CUSIP is 671044105. A total of 188 filers reported holding OSI SYSTEMS INC in Q4 2016. The put-call ratio across all filers is 0.34 and the average weighting 0.2%.

Quarter-by-quarter ownership
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC ownership history of OSI SYSTEMS INC
ValueSharesWeighting
Q2 2017$3,630,000
-57.8%
48,304
-59.0%
0.01%
-60.6%
Q1 2017$8,607,000
-10.7%
117,916
-6.9%
0.03%
-13.2%
Q4 2016$9,639,000
+41.5%
126,631
+21.5%
0.04%
+46.2%
Q3 2016$6,814,000
-8.1%
104,222
-18.3%
0.03%
-10.3%
Q2 2016$7,411,000
-10.3%
127,494
+1.1%
0.03%
-12.1%
Q1 2016$8,260,000
-16.6%
126,129
+13.0%
0.03%
-17.5%
Q4 2015$9,900,000
-15.1%
111,660
-26.3%
0.04%
+66.7%
Q3 2015$11,667,000151,5950.02%
Other shareholders
OSI SYSTEMS INC shareholders Q4 2016
NameSharesValueWeighting ↓
Prospect Capital Advisors, LLC 128,110$10,905,0005.07%
NEUMEIER POMA INVESTMENT COUNSEL LLC 446,609$38,015,0002.55%
Lyon Street Capital, LLC 15,060$1,282,0001.91%
Granahan Investment Management 596,391$50,765,0001.26%
Zebra Capital Management LLC 4,715$401,0000.92%
Walthausen & Co., LLC 28,079$2,390,0000.67%
Aurora Investment Counsel 11,986$1,020,0000.65%
Bridge City Capital, LLC 12,681$1,079,0000.50%
CARDINAL CAPITAL MANAGEMENT LLC /CT 233,503$19,876,0000.50%
SYSTEMATIC FINANCIAL MANAGEMENT LP 171,517$14,600,0000.46%
View complete list of OSI SYSTEMS INC shareholders