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Institutional Investment Manager
Portolan Capital Management, LLC
Portolan Capital Management, LLC (CIK: 0001350290) incorporated in Delaware, located at 2 International Place, 26th Floor, Boston, MA. Institutional holdings reported to the SEC.

Institutional Holdings (2016Q3)
Portfolio Summary: 109 holdings with a total value of $728,658,000.
#
Name
Shares
Value ($)
%
Options
Notes
1 Casella Waste SYS 3,770,378 38,835,000 5.33%
2 RINGCENTRAL INC 1,174,060 27,778,000 3.81%
3 VONAGE HLDGS CORP COM 3,741,774 24,733,000 3.39%
4 STAMPS COM INC COM NEW 231,281 21,858,000 3.00%
5 ALPHABET INC 26,171 20,342,000 2.79%
6 EURONET WORLDWIDE INC 244,271 19,989,000 2.74%
7 BIO RAD LABS INC CL A 107,543 17,617,000 2.42%
8 Callidus Software Inc 958,414 17,587,000 2.41%
9 PREMIER INC CL A 502,322 16,245,000 2.23%
10 NXSTAGE MED INC COM 532,242 13,301,000 1.83%
11 GODADDY INC 376,610 13,004,000 1.78%
12 SLM CORP COM 1,639,421 12,246,000 1.68%
13 Nomad HLDGS Ltd 1,008,216 11,917,000 1.64%
14 ELECTRONIC ARTS INC 139,435 11,908,000 1.63%
15 J2 GLOBAL INC 176,040 11,726,000 1.61%
16 CARE COM INC COM 1,157,883 11,533,000 1.58%
17 8X8 INC NEW COM 741,955 11,448,000 1.57%
18 GOODYEAR TIRE & RUBB 344,270 11,120,000 1.53%
19 ABRAXAS PETE CORP 6,224,867 10,520,000 1.44%
20 VCA INCORPORATED 135,949 9,514,000 1.31%
21 FLAMEL TECHNOLOGIES SA SPONSORED ADR 737,529 9,145,000 1.26%
22 GROUPON INC 1,757,329 9,050,000 1.24%
23 MIMECAST LTD 472,686 9,042,000 1.24%
24 XACTLY CORP COM 606,956 8,934,000 1.23%
25 FIESTA RESTAURANT GROUP INC COM 346,915 8,326,000 1.14%
26 CONFORMIS INC 834,008 8,273,000 1.14%
27 MATCH GROUP 451,219 8,027,000 1.10%
28 RESOLUTE ENERGY 305,771 7,968,000 1.09%
29 VIRTUSA CORPORATION 318,176 7,853,000 1.08%
30 WNS HLDGS LTD 261,714 7,838,000 1.08%
31 XO GROUP INC COM 403,534 7,800,000 1.07%
32 CAPITAL SR LIVING CORP COM 463,491 7,787,000 1.07%
33 SPROUTS FMRS MKT INC 373,331 7,709,000 1.06%
34 STERIS PLC SHS USD 105,338 7,700,000 1.06%
35 BRIGHTCOVE INC COM 586,264 7,651,000 1.05%
36 FACEBOOK INC 58,209 7,466,000 1.02%
37 FERROGLOBE PLC SHS 793,342 7,164,000 0.98%
38 CF INDS HLDGS INC 282,241 6,873,000 0.94%
39 SHORETEL INC 829,967 6,640,000 0.91%
40 AUTOBYTEL INC COM NEW 366,086 6,516,000 0.89%
41 DESTINATION XL GROUP INC COM 1,499,748 6,494,000 0.89%
42 ALTISOURCE RESIDENTIAL CORP CL B 586,569 6,394,000 0.88%
43 WIX COM LTD 146,464 6,361,000 0.87%
44 FIVE9 INC 396,292 6,214,000 0.85%
45 OVASCIENCE INC COM 863,240 6,181,000 0.85%
46 NATERA INC 549,570 6,106,000 0.84%
47 HORTONWORKS INC COM 709,546 5,925,000 0.81%
48 NEWS CORP CL A 416,005 5,816,000 0.80%
49 INPHI CORP 131,900 5,739,000 0.79%
50 MYRIAD GENETICS INC 277,294 5,707,000 0.78%
Page 1 of 3

Portfolio data is normalized using SEC Form 13F filings, including the Original 13F-HR (0001104659-16-156612, filed 2016.11.14).

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.