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Institutional Investment Manager
OAK RIDGE INVESTMENTS LLC
OAK RIDGE INVESTMENTS LLC (CIK: 0001054554) incorporated in Delaware, located at 10 South Lasalle Street, Chicago, IL. Institutional holdings reported to the SEC.

Institutional Holdings (2015Q3)
Portfolio Summary: 143 holdings with a total value of $4,194,432,000.
#
Name
Shares
Value ($)
%
Options
Notes
1 EPAM SYS INC 2,404,141 179,157,000 4.27%
2 AKORN INC 4,724,354 134,668,000 3.21%
3 MIDDLEBY CORP 1,202,665 126,508,000 3.02%
4 FORTINET 2,805,616 119,183,000 2.84%
5 A O SMITH 1,532,274 99,889,000 2.38%
6 WATSCO INC 838,379 99,331,000 2.37%
7 PRA GROUP INC 1,791,000 94,780,000 2.26%
8 MAXIMUS INC 1,555,677 92,656,000 2.21%
9 SOLERA HOLDINGS INC 1,710,968 92,392,000 2.20%
10 ACADIA HEALTHCARE COMPANY IN 1,375,601 91,162,000 2.17%
11 BURLINGTON STORES INC 1,666,565 85,061,000 2.03%
12 WASTE CONNECTIONS INC COM 1,739,637 84,512,000 2.01%
13 VIRTUSA CORPORATION 1,606,253 82,417,000 1.96%
14 LIGAND PHARMACEUTICALS INC 958,644 82,108,000 1.96%
15 MONRO INC COM 1,175,922 79,434,000 1.89%
16 OMNICELL COM COM 2,539,545 78,980,000 1.88%
17 BANKUNITED INC 2,191,385 78,342,000 1.87%
18 TEXAS ROADHOUSE INC 2,046,817 76,142,000 1.82%
19 SYNCHRONOSS TECHNOLOGIES INC COM 2,042,992 67,011,000 1.60%
20 FIREEYE INC 2,046,681 65,125,000 1.55%
21 Nimble Storage 2,473,736 59,666,000 1.42%
22 LA QUINTA HLDGS INC 3,753,992 59,238,000 1.41%
23 GLOBUS MED INC 2,851,179 58,905,000 1.40%
24 BEACON ROOFING SUPPLY INC 1,775,263 57,678,000 1.38%
25 ABIOMED INC 598,652 55,531,000 1.32%
26 SIRONA DENTAL SYS INC 586,736 54,766,000 1.31%
27 UNITED NATURAL FOODSINC 1,121,341 54,397,000 1.30%
28 SILICON LABORATORIES INC 1,257,960 52,256,000 1.25%
29 ANSYS 589,514 51,959,000 1.24%
30 RAMBUS INC DEL COM 4,314,238 50,908,000 1.21%
31 LKQ CORP 1,762,744 49,991,000 1.19%
32 APPLE INC 441,731 48,723,000 1.16%
33 ALIGN TECHNOLOGY INC 836,372 47,473,000 1.13%
34 POOL CORPORATION 639,093 46,206,000 1.10%
35 QLIK TECHNOLOGIES INC COM 1,264,344 46,085,000 1.10%
36 ClubCorp Hldgs Inc 2,102,473 45,119,000 1.08%
37 CORE-MARK HLDG CO INC COM 676,402 44,270,000 1.06%
38 DEPOMED INC 2,299,362 43,343,000 1.03%
39 PROOFPOINT INC 679,135 40,966,000 0.98%
40 ACCELERON PHARMA 1,525,181 37,976,000 0.91%
41 SPECTRANETICS CORP 3,080,420 36,318,000 0.87%
42 ELLIE MAE INCORPORATED 544,263 36,232,000 0.86%
43 ROADRUNNER TRANSHOLDINGS INC 1,927,237 35,461,000 0.85%
44 WEX INC 392,980 34,126,000 0.81%
45 PACIRA BIOSCIENCES INC 789,227 32,437,000 0.77%
46 STIFEL FINANCIAL CP 767,864 32,327,000 0.77%
47 DECKERS OUTDOOR CORP 554,978 32,221,000 0.77%
48 HOMEAWAY INC 1,196,001 31,742,000 0.76%
49 O REILLY AUTOMOTIVE INC NEW 125,878 31,470,000 0.75%
50 SAGE THERAPEUTICS 660,218 27,940,000 0.67%
Page 1 of 3

Portfolio data is normalized using SEC Form 13F filings, including the Original 13F-HR (0001140361-15-039429, filed 2015.11.03).

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.