Dark
Light
System
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
51 MCKESSON CORP 34,170 5,373,000 0.72%
52 ALLY FINL INC 281,035 5,261,000 0.70%
53 FIVE STAR SENIOR LIVING INC 2,279,883 5,221,000 0.70%
54 ZENDESK INC 248,430 5,200,000 0.70%
55 INFINERA CORPORATION 310,416 4,985,000 0.67%
56 ADVANCE AUTO PARTS INC 30,902 4,955,000 0.66%
57 Mercer International 512,260 4,841,000 0.65%
58 BRAVO BRIO RESTAURANT GROUP COM 593,201 4,597,000 0.62%
59 CRYOLIFE INC 417,125 4,484,000 0.60%
60 EL POLLO LOCO HLDGS INC 332,785 4,439,000 0.59%
61 APIGEE CORP 528,754 4,394,000 0.59%
62 HUBSPOT INCORPORATED 97,682 4,261,000 0.57%
63 CONFORMIS INCORPORATED 393,494 4,230,000 0.57%
64 QUALYS INC 162,593 4,115,000 0.55%
65 TWITTER INC 248,378 4,111,000 0.55%
66 VONAGE HLDGS CORP 880,583 4,024,000 0.54%
67 ALLIANCE DATA SYSTEMS CORP 18,161 3,995,000 0.53%
68 SUPERNUS PHARMACEUTICALS INC 260,921 3,979,000 0.53%
69 WIX COM LTD 195,373 3,960,000 0.53%
70 SEQUENOM INC 2,686,304 3,788,000 0.51%
71 SHUTTERFLY INC 81,125 3,762,000 0.50%
72 OVASCIENCE INC COM 392,356 3,723,000 0.50%
73 MINERALS TECHNOLOGIES INC 65,156 3,704,000 0.50%
74 FIVE9 INC 405,471 3,605,000 0.48%
75 COGNIZANT TECHNOLOGY SOLUTIO 56,011 3,512,000 0.47%
76 KONA GRILL INC COM 265,755 3,442,000 0.46%
77 SKECHERS U S A INC 112,922 3,438,000 0.46%
78 CEMPRA INC 195,183 3,420,000 0.46%
79 RELYPSA INC 244,593 3,314,000 0.44%
80 VCA INCORPORATED 56,470 3,258,000 0.44%
81 Xura Inc. 163,060 3,207,000 0.43%
82 SERES THERAPEUTICS INC 119,276 3,168,000 0.42%
83 HERSHA HOSPITALITY TR 143,395 3,060,000 0.41%
84 SLM CORP 475,948 3,027,000 0.41%
85 LUMENTUM HLDGS INC COM 112,055 3,022,000 0.40%
86 SHORETEL INC 396,142 2,947,000 0.39%
87 AUTOBYTEL INC COM NEW 160,255 2,782,000 0.37%
88 CHECK POINT SOFTWARE TECH LT 31,369 2,744,000 0.37%
89 ADOBE INC 29,136 2,733,000 0.37%
90 BLUEBIRD BIO INC COM 64,065 2,723,000 0.36%
91 GODADDY INC 80,677 2,608,000 0.35%
92 CONTAINER STORE GROUP INC 427,951 2,512,000 0.34%
93 Natera, Inc. 257,787 2,454,000 0.33%
94 FLWS/1-800 FLOWERS CL A 295,313 2,327,000 0.31%
95 GLAUKOS CORP 132,711 2,238,000 0.30%
96 SPS COMM INC 50,547 2,170,000 0.29%
97 EXPEDIA INC DEL 19,881 2,144,000 0.29%
98 INSTRUCTURE INC COM 112,787 2,023,000 0.27%
99 COVISINT CORP 992,908 1,986,000 0.27%
100 SANOFI SPOND FUNSPONSORED ADR 227,051 1,900,000 0.25%
Page 2 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.