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

Institutional Holders (2017Q1)
Portfolio Summary: 195 Institutional holders with a total value of $1,423,385,344.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 BlackRock Finance, Inc. 2,248,475 164,115,000 11.53%
2 VANGUARD GROUP INC 1,606,669 117,271,000 8.24%
3 JANUS HENDERSON INVESTORS US LLC 1,456,678 106,323,000 7.47%
4 DIMENSIONAL FUND ADVISORS LP 1,069,392 78,055,000 5.48%
5 EARNEST PARTNERS LLC 951,611 69,458,000 4.88%
6 DARUMA CAPITAL MANAGEMENT LLC 689,081 50,296,000 3.53%
7 ABERDEEN ASSET MANAGEMENT PLC/UK 631,543 46,096,000 3.24%
8 WESTWOOD HOLDINGS GROUP INC 583,129 42,563,000 2.99%
9 WELLS FARGO & COMPANY/MN 577,758 42,170,000 2.96%
10 GOLDMAN SACHS GROUP INC 557,023 40,657,000 2.86%
11 Clearbridge Investments, LLC 552,403 40,320,000 2.83%
12 STATE STREET CORP 409,568 29,894,000 2.10%
13 PRIMECAP MANAGEMENT CO/CA/ 402,800 29,400,000 2.07%
14 TREMBLANT CAPITAL GROUP 386,189 28,188,000 1.98%
15 AMERICAN CENTURY COMPANIES INC 374,578 27,340,000 1.92%
16 NEUMEIER POMA INVESTMENT COUNSEL LLC 372,345 27,177,000 1.91%
17 Neuberger Berman Group LLC 362,397 26,451,000 1.86%
18 PNC FINANCIAL SERVICES GROUP, INC. 343,966 25,106,000 1.76%
19 CREDIT SUISSE AG/ 319,606 23,328,000 1.64%
20 PEREGRINE CAPITAL MANAGEMENT INC /MN/ 311,268 22,673,000 1.59%
21 NORGES BANK 288,028 21,023,000 1.48%
22 NEW YORK STATE COMMON RETIREMENT FUND 269,719 19,687,000 1.38%
23 Bank of New York Mellon Corp 238,273 17,390,000 1.22%
24 NORTHERN TRUST CORP 233,002 17,007,000 1.19%
25 PRICE T ROWE ASSOCIATES INC /MD/ 223,728 16,330,000 1.15%
26 AMERIPRISE FINANCIAL INC 214,978 15,692,000 1.10%
27 Granahan Investment Management, LLC 194,672 14,209,000 1.00%
28 River Road Asset Management, LLC 174,810 12,759,000 0.90%
29 BANK OF AMERICA CORP /DE/ 160,326 11,702,000 0.82%
30 GEODE CAPITAL MANAGEMENT, LLC 149,408 10,905,000 0.77%
31 Invesco Ltd. 147,595 10,773,000 0.76%
32 PRINCIPAL FINANCIAL GROUP INC 141,269 10,312,000 0.72%
33 Redwood Investments, LLC 127,984 9,342,000 0.66% SH
34 MORGAN STANLEY 122,005 8,905,000 0.63%
35 WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC 117,916 8,607,000 0.60%
36 MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 115,145 8,404,000 0.59%
37 G2 Investment Partners Management LLC 103,769 7,575,000 0.53%
38 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 102,890 7,510,000 0.53%
39 SCHRODER INVESTMENT MANAGEMENT GROUP 74,496 5,446,000 0.38%
40 DEUTSCHE BANK AG\ 71,912 5,247,000 0.37%
41 MACQUARIE GROUP LTD 70,937 5,178,000 0.36%
42 PROSPECT CAPITAL ADVISORS, LLC 70,750 5,164,000 0.36%
43 ZACKS INVESTMENT MANAGEMENT 68,408 4,993,000 0.35%
44 MACKENZIE FINANCIAL CORP 62,974 4,596,000 0.32%
45 RAINIER INVESTMENT MANAGEMENT LLC 60,990 4,452,000 0.31%
46 Cortina Asset Management, LLC 58,937 4,302,000 0.30%
47 G2 Investment Partners Management LLC 54,000 3,942,000 0.28% Call
48 PARAMETRIC PORTFOLIO ASSOCIATES LLC 50,218 3,665,000 0.26%
49 State of New Jersey Common Pension Fund D 48,700 3,555,000 0.25%
50 TIAA CREF INVESTMENT MANAGEMENT LLC 47,592 3,474,000 0.24%
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.