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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 (2015Q4)
Portfolio Summary: 123 holdings with a total value of $789,012,000.
#
Name
Shares
Value ($)
%
Options
Notes
1 INCONTACT INC 4,286,052 40,889,000 5.18%
2 8X8 INC NEW COM 2,489,751 28,508,000 3.61%
3 STAMPS COM INC COM NEW 253,135 27,746,000 3.52%
4 Callidus Software Inc 1,315,861 24,436,000 3.10%
5 Casella Waste SYS 3,442,603 20,587,000 2.61%
6 ANIKA THERAPEUTICS INC COM 488,595 18,645,000 2.36%
7 EURONET WORLDWIDE INC 253,976 18,395,000 2.33%
8 GOODYEAR TIRE & RUBB 455,569 14,883,000 1.89%
9 ALPHABET INC 19,203 14,573,000 1.85%
10 GROUPON INC 4,473,394 13,733,000 1.74%
11 SCIQUEST INC 1,024,160 13,283,000 1.68%
12 PREMIER INC CL A 371,706 13,110,000 1.66%
13 FLAMEL TECHNOLOGIES SA SPONSORED ADR 1,043,292 12,739,000 1.61%
14 RINGCENTRAL INC 537,855 12,683,000 1.61%
15 CAPITAL SR LIVING CORP COM 595,353 12,419,000 1.57%
16 SPIRIT AIRLS INC 309,996 12,353,000 1.57%
17 MARKETO INC COM 423,303 12,153,000 1.54%
18 NEWS CORP CL A 830,728 11,099,000 1.41%
19 AON PLC 119,742 11,041,000 1.40%
20 FIESTA RESTAURANT GROUP INC COM 313,454 10,532,000 1.33%
21 LIFELOCK INC 619,991 8,897,000 1.13%
22 CARE COM INC COM 1,201,003 8,599,000 1.09%
23 COMPUTER PROGRAMS & SYSTEMS INC 167,505 8,333,000 1.06%
24 ASBURY AUTOMOTIVE GROUP INC COM 120,287 8,112,000 1.03%
25 XO GROUP INC COM 503,348 8,084,000 1.02%
26 BOTTOMLINE TECH DEL INC COM 260,181 7,735,000 0.98%
27 COVISINT CORP COM 3,072,129 7,680,000 0.97%
28 VONAGE HLDGS CORP COM 1,333,679 7,655,000 0.97%
29 TOWER SEMICONDUCTOR LTD SHS NEW 543,278 7,638,000 0.97%
30 APPLIED OPTOELECTRONICS INC 436,759 7,495,000 0.95%
31 TUESDAY MORNING CORP 1,151,868 7,487,000 0.95%
32 TOWERS WATSON & CO 58,105 7,464,000 0.95%
33 RADWARE LTD 485,889 7,454,000 0.94%
34 SEQUENOM INC 4,363,944 7,157,000 0.91%
35 ABIOMED INC 79,110 7,142,000 0.91%
36 ZAYO GROUP HOLDINGS 267,009 7,100,000 0.90%
37 DESTINATION XL GROUP INC COM 1,279,113 7,061,000 0.89%
38 COVENANT TRANSN GROUP INC CL A 368,486 6,961,000 0.88%
39 FIVE9 INC 797,530 6,939,000 0.88%
40 ZEBRA TECHNOLOGIES CORPORATION CL A 99,182 6,908,000 0.88%
41 ELECTRONIC ARTS INC 99,483 6,836,000 0.87%
42 FIDELITY NATIONAL FINANCIAL 196,896 6,826,000 0.87%
43 LIONBRIDGE TECHNOLOGIES 1,377,299 6,763,000 0.86%
44 FIVE STAR QUALITY CARE INC COM 2,045,562 6,505,000 0.82%
45 Model N Inc 563,419 6,288,000 0.80%
46 VIRTUSA CORPORATION 149,676 6,188,000 0.78%
47 BAIDU INC 32,451 6,135,000 0.78%
48 CHEESECAKE FACTORY INC 125,768 5,799,000 0.73%
49 RESTORATION HARDWARE HLDGS I 72,935 5,795,000 0.73%
50 MATCH GROUP 425,681 5,768,000 0.73%
Page 1 of 3

Portfolio data is normalized using SEC Form 13F filings, including the Original 13F-HR (0001104659-16-096432, filed 2016.02.12).

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.