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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 (2015Q3)
Original 13F HR (0001140361-15-041588) filed in 2015.11.16
#
Name
Shares
Value ($)
%
Options
Notes
1 FACEBOOK INC 90,480 8,134 3.46%
2 VIRTUSA CORPORATION 111,996 5,747 2.44%
3 GTT COMMUNICATIONS INC COM 238,191 5,541 2.36%
4 RINGCENTRAL INC 293,190 5,321 2.26%
5 RENASANT CORP 153,838 5,053 2.15%
6 CARDIOME PHARMA CORP 576,468 4,866 2.07%
7 NATUS MEDICAL INC. 122,212 4,822 2.05%
8 MULTI COLOR CORP COM 61,215 4,683 1.99%
9 VASCULAR SOLUTIONS 144,377 4,680 1.99%
10 Enterprise Finl Svcs Corp 185,109 4,660 1.98%
11 U S PHYSICAL THERAPY COM 102,455 4,599 1.95%
12 On Assignment Inc 123,487 4,558 1.94%
13 INVACARE CORP COM 306,666 4,438 1.89%
14 INPHI CORPORATION 183,553 4,412 1.88%
15 NOVANTA INC 343,622 4,375 1.86%
16 BANNER CORP COM NEW 89,587 4,280 1.82%
17 HERITAGE FINL CORP WASH COM 227,308 4,277 1.82%
18 AZZ INC 86,381 4,206 1.79%
19 BRYN MAWR BK CORP 131,664 4,091 1.74%
20 FINANCIAL INSTNS INC 164,051 4,064 1.73%
21 COLUMBIA BKG SYS INC COM 128,182 4,000 1.70%
22 WSFS FINL CORPORATION 137,447 3,960 1.68%
23 CALAMP CORP 241,707 3,888 1.65%
24 RED ROBIN GOURMET BURGERS INC COM 50,296 3,810 1.62%
25 CAMBREX CORP 94,863 3,764 1.60%
26 HANMI FINL CORP COM NEW 142,954 3,602 1.53%
27 KIRKLANDS INC COM 163,323 3,519 1.50%
28 STERLING BANCORP DEL COM 232,800 3,462 1.47%
29 KNIGHT TRANSN INC 142,895 3,431 1.46%
30 Park Sterling Corp 496,097 3,373 1.43%
31 NN Inc Com 181,505 3,357 1.43%
32 SP PLUS CORP COM 144,797 3,352 1.42%
33 ETHAN ALLEN INTERIORS INC COM 126,793 3,348 1.42%
34 OLD DOMINION FREIGHT LINE IN 54,146 3,304 1.40%
35 SUPERNUS PHARMACEUTICALS INC 235,065 3,297 1.40%
36 PACWEST BANCORP DEL COM 75,390 3,227 1.37%
37 CRA INTL INC COM 142,922 3,084 1.31%
38 FEDERAL SIGNAL CORP 224,271 3,075 1.31%
39 Franklin Covey Co 187,000 3,003 1.28%
40 PACIFIC CONTINENTAL CORP 219,326 2,918 1.24%
41 SPDR SERIES TRUST 65,400 2,905 1.23%
42 EXPONENT INC 64,982 2,895 1.23%
43 HEALTHSTREAM INC COM 130,773 2,854 1.21%
44 VIACOM INC NEW 65,000 2,805 1.19%
45 GP Strategies Corp 117,702 2,686 1.14%
46 HURCO COMPANIES INC 101,299 2,658 1.13%
47 INSTEEL IND 160,050 2,573 1.09%
48 ENTRAVISION COMMUNICATIONS C 386,150 2,564 1.09%
49 KADANT INC 65,355 2,550 1.08%
50 AMAG PHARMACEUTICALS INC 63,226 2,511 1.07%
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