Dark
Light
System
Security
OSI SYSTEMS INC COM
OSI SYSTEMS INC COM. Institutional holdings reported to the SEC.

Institutional Holders (2016Q4)
Portfolio Summary: 196 Institutional holders with a total value of $1,475,448,940.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 JANUS HENDERSON INVESTORS US LLC 1,609,592 122,522,000 8.30%
2 VANGUARD GROUP INC 1,530,071 116,469,000 7.89%
3 BlackRock Fund Advisors 1,456,124 110,840,000 7.51%
4 DIMENSIONAL FUND ADVISORS LP 1,032,259 78,576,000 5.33%
5 EARNEST PARTNERS LLC 959,780 73,058,000 4.95%
6 WESTWOOD HOLDINGS GROUP INC 614,246 46,757,000 3.17%
7 WELLS FARGO & COMPANY/MN 573,539 43,657,000 2.96%
8 Clearbridge Investments, LLC 571,798 43,525,000 2.95%
9 ABERDEEN ASSET MANAGEMENT PLC/UK 540,026 41,107,000 2.79%
10 BlackRock Institutional Trust Company, N.A. 473,660 36,055,000 2.44%
11 CREDIT SUISSE AG/ 468,102 35,632,000 2.41%
12 DARUMA CAPITAL MANAGEMENT LLC 463,278 35,265,000 2.39%
13 Granahan Investment Management, LLC 425,859 32,416,000 2.20%
14 NORGES BANK 397,272 30,240,000 2.05%
15 STATE STREET CORP 391,254 29,781,000 2.02%
16 PNC FINANCIAL SERVICES GROUP, INC. 379,618 28,896,000 1.96%
17 PRIMECAP MANAGEMENT CO/CA/ 362,300 27,578,000 1.87%
18 GOLDMAN SACHS GROUP INC 353,879 26,937,000 1.83%
19 NEUMEIER POMA INVESTMENT COUNSEL LLC 323,880 24,654,000 1.67%
20 AMERICAN CENTURY COMPANIES INC 323,544 24,628,000 1.67%
21 Neuberger Berman Group LLC 319,929 24,353,000 1.65%
22 Bank of New York Mellon Corp 310,572 23,641,000 1.60%
23 PEREGRINE CAPITAL MANAGEMENT INC /MN/ 289,790 22,059,000 1.50%
24 TREMBLANT CAPITAL GROUP 280,956 21,386,000 1.45%
25 NEW YORK STATE COMMON RETIREMENT FUND 256,596 19,532,000 1.32%
26 AMERIPRISE FINANCIAL INC 229,474 17,469,000 1.18%
27 NORTHERN TRUST CORP 228,231 17,373,000 1.18%
28 PRICE T ROWE ASSOCIATES INC /MD/ 213,888 16,281,000 1.10%
29 River Road Asset Management, LLC 177,870 13,539,000 0.92%
30 MORGAN STANLEY 172,204 13,108,000 0.89%
31 G2 Investment Partners Management LLC 153,028 11,648,000 0.79%
32 GEODE CAPITAL MANAGEMENT, LLC 136,665 10,402,000 0.71%
33 Invesco Ltd. 134,935 10,271,000 0.70%
34 PRINCIPAL FINANCIAL GROUP INC 132,816 10,110,000 0.69%
35 BANK OF AMERICA CORP /DE/ 127,053 9,671,000 0.66%
36 WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC 126,631 9,639,000 0.65%
37 SG Capital Management LLC 118,255 9,002,000 0.61%
38 Shannon River Fund Management LLC 117,220 8,923,000 0.60%
39 PROSPECT CAPITAL ADVISORS, LLC 98,450 7,494,000 0.51%
40 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 96,250 7,327,000 0.50%
41 BlackRock Investment Management, LLC 95,783 7,291,000 0.49%
42 DEUTSCHE BANK AG\ 92,114 7,010,000 0.48%
43 MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 86,233 6,564,000 0.44%
44 PARAMETRIC PORTFOLIO ASSOCIATES LLC 80,105 6,098,000 0.41%
45 SCHRODER INVESTMENT MANAGEMENT GROUP 77,390 5,891,000 0.40%
46 MACQUARIE GROUP LTD 75,145 5,720,000 0.39%
47 RAINIER INVESTMENT MANAGEMENT LLC 71,140 5,415,000 0.37%
48 ZACKS INVESTMENT MANAGEMENT 68,733 5,232,000 0.35%
49 Cortina Asset Management, LLC 65,784 5,007,000 0.34%
50 MACKENZIE FINANCIAL CORP 63,874 4,862,000 0.33%
Page 1 of 4

From 2023-01-03 onward, the SEC requires values to be reported in nearest dollars. Earlier filings reported values in thousands; therefore, positions shown as $0 in older filings may represent actual values between $0–$999.