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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 (2016Q1)
Portfolio Summary: 111 holdings with a total value of $746,820,000.
#
Name
Shares
Value ($)
%
Options
Notes
1 INCONTACT INC 3,343,585 29,724,000 3.98%
2 Casella Waste SYS 3,721,221 24,932,000 3.34%
3 ALPHABET INC 32,728 24,381,000 3.26%
4 STAMPS COM INC COM NEW 215,830 22,938,000 3.07%
5 Callidus Software Inc 1,345,802 22,448,000 3.01%
6 EURONET WORLDWIDE INC 291,318 21,590,000 2.89%
7 PREMIER INC CL A 520,918 17,378,000 2.33%
8 8X8 INC NEW COM 1,667,996 16,780,000 2.25%
9 BROOKDALE SR LIVING INC 1,026,544 16,302,000 2.18%
10 GOODYEAR TIRE & RUBB 472,495 15,583,000 2.09%
11 CAPITAL SR LIVING CORP COM 822,506 15,233,000 2.04%
12 NEWS CORP CL A 1,070,970 13,676,000 1.83%
13 SCIQUEST INC 980,140 13,604,000 1.82%
14 CARROLS RESTAURANT GROUP INC 931,377 13,449,000 1.80%
15 ELECTRONIC ARTS INC 184,129 12,173,000 1.63%
16 UNITED THERAPEUTICS 104,421 11,636,000 1.56%
17 COOPER TIRE RUBR CO 312,274 11,560,000 1.55%
18 UPBOUND GROUP INC COM 673,936 10,682,000 1.43%
19 BIO RAD LABS INC CL A 78,108 10,679,000 1.43%
20 RINGCENTRAL INC 673,616 10,609,000 1.42%
21 MARKETO INC COM 457,658 8,956,000 1.20%
22 Aaron's Inc 345,001 8,660,000 1.16%
23 WILLIS TOWERS WATSON PLC LTD SHS 70,980 8,422,000 1.13%
24 BOTTOMLINE TECH DEL INC COM 274,544 8,371,000 1.12%
25 MATCH GROUP 755,239 8,353,000 1.12%
26 DESTINATION XL GROUP INC COM 1,611,081 8,329,000 1.12%
27 GROUPON INC 2,050,107 8,180,000 1.10%
28 FLAMEL TECHNOLOGIES SA SPONSORED ADR 732,234 8,084,000 1.08%
29 APPLIED OPTOELECTRONICS INC 541,679 8,076,000 1.08%
30 XO GROUP INC COM 500,927 8,040,000 1.08%
31 RACKSPACE HOSTING INC 365,945 7,901,000 1.06%
32 FIESTA RESTAURANT GROUP INC COM 230,990 7,572,000 1.01%
33 MYRIAD GENETICS INC 201,572 7,545,000 1.01%
34 FACEBOOK INC 65,708 7,497,000 1.00%
35 VIRTUSA CORPORATION 193,866 7,262,000 0.97%
36 ABIOMED INC 76,550 7,258,000 0.97%
37 STERIS PLC SHS USD 101,942 7,243,000 0.97%
38 SPROUTS FMRS MKT INC 245,979 7,143,000 0.96%
39 AKAMAI TECH 128,442 7,138,000 0.96%
40 CERNER CORP 131,793 6,980,000 0.93%
41 CARE COM INC COM 1,088,517 6,694,000 0.90%
42 BROADSOFT INC 164,786 6,649,000 0.89%
43 Model N Inc 615,925 6,634,000 0.89%
44 WEBSITE PROS INC COM 318,275 6,308,000 0.84%
45 DELPHI AUTOMOTIVE PLC 82,953 6,223,000 0.83%
46 ANIKA THERAPEUTICS INC COM 130,939 5,856,000 0.78%
47 ENCORE CAP GROUP INC COM 222,395 5,724,000 0.77%
48 INPHI CORP 167,709 5,591,000 0.75%
49 LIONBRIDGE TECHNOLOGIES 1,089,247 5,512,000 0.74%
50 J2 GLOBAL INC 88,566 5,454,000 0.73%
Page 1 of 3

Portfolio data is normalized using SEC Form 13F filings, including the Original 13F-HR (0001104659-16-120820, filed 2016.05.13).

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.