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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 (2015Q3)
Portfolio Summary: 114 holdings with a total value of $754,682,000.
#
Name
Shares
Value ($)
%
Options
Notes
1 INCONTACT INC 3,629,534 27,258,000 3.61%
2 Callidus Software Inc 1,419,280 24,114,000 3.20%
3 Casella Waste SYS 3,933,135 22,812,000 3.02%
4 ANIKA THERAPEUTICS INC COM 638,849 20,335,000 2.69%
5 FLAMEL TECHNOLOGIES SA SPONSORED ADR 1,223,979 19,963,000 2.65%
6 EURONET WORLDWIDE INC 236,896 17,552,000 2.33%
7 8X8 INC NEW COM 1,910,764 15,802,000 2.09%
8 STAMPS COM INC COM NEW 198,252 14,673,000 1.94%
9 GROUPON INC 4,314,320 14,065,000 1.86%
10 AKAMAI TECH 192,496 13,294,000 1.76%
11 TOWER SEMICONDUCTOR LTD SHS NEW 1,008,458 12,979,000 1.72%
12 RESTORATION HARDWARE HLDGS I 137,304 12,812,000 1.70%
13 RYDER SYS INC COM 164,119 12,151,000 1.61%
14 GOOGLE INC 19,895 12,105,000 1.60%
15 SHUTTERFLY INC 324,849 11,613,000 1.54%
16 VONAGE HLDGS CORP COM 1,971,970 11,595,000 1.54%
17 CHEESECAKE FACTORY INC 193,680 10,451,000 1.38%
18 AON PLC 116,586 10,331,000 1.37%
19 SPIRIT AIRLS INC 210,590 9,961,000 1.32%
20 ABIOMED INC 103,138 9,567,000 1.27%
21 QUALYS INC 335,585 9,551,000 1.27%
22 DESTINATION XL GROUP INC COM 1,634,996 9,499,000 1.26%
23 COOPER TIRE RUBR CO 239,505 9,463,000 1.25%
24 VIRTUSA CORPORATION 176,898 9,077,000 1.20%
25 DSW INC CL A 352,916 8,932,000 1.18%
26 ELECTRONIC ARTS INC 128,012 8,673,000 1.15%
27 HOMEAWAY INC 326,087 8,654,000 1.15%
28 SPROUTS FMRS MKT INC 401,046 8,462,000 1.12%
29 AVG Technologies NV 383,705 8,346,000 1.11%
30 GOODYEAR TIRE & RUBB 281,550 8,258,000 1.09%
31 LIONBRIDGE TECHNOLOGIES 1,653,393 8,168,000 1.08%
32 PREMIER INC CL A 235,128 8,081,000 1.07%
33 ALTISOURCE RESIDENTIAL CORP CL B 577,739 8,042,000 1.07%
34 BARRACUDA NETWORKS INC 512,866 7,990,000 1.06%
35 SEQUENOM INC 4,540,781 7,946,000 1.05%
36 NEWS CORP CL A 603,003 7,610,000 1.01%
37 CAPITAL SR LIVING CORP COM 377,047 7,560,000 1.00%
38 SM ENERGY CO 226,549 7,259,000 0.96%
39 XO GROUP INC COM 512,469 7,241,000 0.96%
40 CONTINENTAL BLDG PRODS INC 352,374 7,238,000 0.96%
41 RINGCENTRAL INC 393,008 7,133,000 0.95%
42 BAIDU INC 51,278 7,046,000 0.93%
43 OCULAR THERAPEUTIX INC 492,225 6,921,000 0.92%
44 FIESTA RESTAURANT GROUP INC COM 151,290 6,864,000 0.91%
45 FIDELITY NATIONAL FINANCIAL 190,012 6,740,000 0.89%
46 SMART AND FINAL STORES INC COM 418,538 6,575,000 0.87%
47 SCIQUEST INC 644,386 6,444,000 0.85%
48 COVISINT CORP COM 2,948,782 6,340,000 0.84%
49 MONSTER WORLDWIDE INC 978,485 6,282,000 0.83%
50 MARKETO INC COM 220,472 6,266,000 0.83%
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Portfolio data is normalized using SEC Form 13F filings, including the Original 13F-HR (0001104659-15-078549, filed 2015.11.13).

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.