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Institutional Investment Manager
AlphaOne Investment Services, LLC
AlphaOne Investment Services, LLC (CIK: 0001482390) incorporated in Delaware, located at 158 W. Gay Street, Suite 300, West Chester, PA. Institutional holdings reported to the SEC.

Institutional Holdings (2015Q2)
Original 13F HR (0001140361-15-031620) filed in 2015.08.13
#
Name
Shares
Value ($)
%
Options
Notes
1 SUNPOWER CORP 144,900 638 0.22% Put
2 CANADIAN SOLAR INC 40,000 292 0.10% Put
3 APPLE INC 51,600 255 0.09% Put
4 FACEBOOK INC 87,880 7,537 2.65%
5 SUPERNUS PHARMACEUTICALS INC 422,511 7,173 2.52%
6 GTT COMMUNICATIONS INC COM 298,721 7,131 2.51%
7 AMAG PHARMACEUTICALS INC 101,191 6,987 2.46%
8 APPLE INC 54,940 6,891 2.42%
9 VIRTUSA CORPORATION 123,046 6,326 2.22%
10 VASCULAR SOLUTIONS 170,727 5,928 2.08%
11 NATUS MEDICAL INC. 136,212 5,796 2.04%
12 INVACARE CORP COM 262,989 5,687 2.00%
13 U S PHYSICAL THERAPY COM 102,625 5,620 1.98%
14 RINGCENTRAL INC 298,370 5,517 1.94%
15 AVG Technologies NV 186,100 5,064 1.78%
16 CARDIOME PHARMA CORP 531,493 5,002 1.76%
17 RENASANT CORP 152,888 4,985 1.75%
18 CAMBREX CORP 108,613 4,773 1.68%
19 NN Inc Com 179,755 4,589 1.61%
20 KIRKLANDS INC COM 160,973 4,486 1.58%
21 AZZ INC 85,031 4,405 1.55%
22 On Assignment Inc 111,137 4,365 1.53%
23 CALAMP CORP 238,657 4,357 1.53%
24 Enterprise Finl Svcs Corp 187,109 4,259 1.50%
25 BANNER CORP COM NEW 88,637 4,248 1.49%
26 NOVANTA INC 279,122 4,195 1.48%
27 COLUMBIA BKG SYS INC COM 126,932 4,130 1.45%
28 SUNPOWER CORP 144,900 4,117 1.45%
29 FINANCIAL INSTNS INC 162,651 4,041 1.42%
30 KNIGHT TRANSN INC 150,995 4,038 1.42%
31 HERITAGE FINL CORP WASH COM 224,708 4,016 1.41%
32 BRYN MAWR BK CORP 130,704 3,942 1.39%
33 MULTI COLOR CORP COM 60,615 3,874 1.36%
34 ATMEL CORP 392,000 3,863 1.36%
35 RED ROBIN GOURMET BURGERS INC COM 44,546 3,822 1.34%
36 INPHI CORPORATION 165,903 3,793 1.33%
37 FEDERAL SIGNAL CORP 252,821 3,771 1.33%
38 WSFS FINL CORPORATION 135,997 3,720 1.31%
39 OLD DOMINION FREIGHT LINE IN 53,946 3,701 1.30%
40 HEALTHSTREAM INC COM 121,523 3,697 1.30%
41 GP Strategies Corp 108,402 3,603 1.27%
42 CECO ENVIRONMENTAL CORP 314,490 3,563 1.25%
43 Park Sterling Corp 492,297 3,545 1.25%
44 HANMI FINL CORP COM NEW 142,604 3,542 1.25%
45 PACWEST BANCORP DEL COM 74,590 3,487 1.23%
46 HURCO COMPANIES INC 100,299 3,474 1.22%
47 STERLING BANCORP DEL COM 231,700 3,405 1.20%
48 KADANT INC 68,855 3,249 1.14%
49 DEL FRISCOS RESTAURANT GROUP COM 172,500 3,214 1.13%
50 JPMORGAN CHASE & CO 46,800 3,171 1.12%
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