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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 (2016Q2)
Portfolio Summary: 109 holdings with a total value of $694,370,000.
#
Name
Shares
Value ($)
%
Options
Notes
51 ABIOMED INC 47,720 5,215,000 0.75%
52 SPIRIT AIRLS INC 114,755 5,149,000 0.74%
53 JETBLUE AIRWAYS CORP 310,779 5,147,000 0.74%
54 VCA INCORPORATED 76,077 5,144,000 0.74%
55 FIVE9 INC 429,679 5,113,000 0.74%
56 JAZZ PHARMACEUTICALS PLC 35,898 5,073,000 0.73%
57 CEMPRA INC 295,575 4,874,000 0.70%
58 WAYFAIR INC 123,855 4,830,000 0.70%
59 GROUPON INC 1,474,847 4,793,000 0.69%
60 NXSTAGE MED INC COM 215,810 4,679,000 0.67%
61 RACKSPACE HOSTING INC 216,434 4,515,000 0.65%
62 SUPERNUS PHARMACEUTICALS INC 214,784 4,375,000 0.63%
63 BROADSOFT INC 102,050 4,187,000 0.60%
64 Abraxas Petroleum Corp 3,688,924 4,168,000 0.60%
65 FIVE STAR SENIOR LIVING INC 1,744,661 4,083,000 0.59%
66 AMERICAN AIRLS GROUP INC 142,070 4,022,000 0.58%
67 APPLIED OPTOELECTRONICS INC COM 354,480 3,952,000 0.57%
68 SERES THERAPEUTICS INC 133,883 3,889,000 0.56%
69 EL POLLO LOCO HLDGS INC 291,445 3,789,000 0.55%
70 LIONBRIDGE TECHNOLOGIES ORD 934,988 3,693,000 0.53%
71 Nomad Hldgs Ltd 458,613 3,660,000 0.53%
72 WEBSITE PROS INC COM 195,359 3,552,000 0.51%
73 WNS HOLDINGS LTD 131,193 3,542,000 0.51%
74 INFINERA CORPORATION 309,067 3,486,000 0.50%
75 MINERALS TECHNOLOGIES INC 60,814 3,454,000 0.50%
76 KONA GRILL INC COM 316,194 3,390,000 0.49%
77 CF CORP 330,810 3,282,000 0.47%
78 CPI CARD GROUP INC 640,733 3,210,000 0.46%
79 WILLIS TOWERS WATSON PUB LTD 25,426 3,161,000 0.46%
80 ALLIANCE DATA SYSTEMS CORP 16,009 3,136,000 0.45%
81 EXPEDIA INC DEL 29,130 3,097,000 0.45%
82 MCKESSON CORP 16,530 3,085,000 0.44%
83 BRAVO BRIO RESTAURANT GROUP COM 365,974 2,997,000 0.43%
84 HUBSPOT INCORPORATED 66,814 2,901,000 0.42%
85 FLWS/1-800 FLOWERS CL A 316,058 2,851,000 0.41%
86 WIX COM LTD 92,562 2,809,000 0.40%
87 FERROGLOBE PLC SHS 325,071 2,799,000 0.40%
88 ANIKA THERAPEUTICS INC 51,540 2,765,000 0.40%
89 ASSURED GUARANTY LTD COM 106,084 2,691,000 0.39%
90 INSTRUCTURE INC COM 136,198 2,588,000 0.37%
91 NAVIENT 212,659 2,541,000 0.37%
92 CAI INTERNATIONAL INC COM 311,174 2,334,000 0.34%
93 ADOBE INC 23,586 2,259,000 0.33%
94 OVASCIENCE INC COM 400,510 2,087,000 0.30%
95 SCIQUEST INC NEW 113,781 2,009,000 0.29%
96 AGIOS PHARMACEUTICALS INC 40,261 1,687,000 0.24%
97 SYNCHRONY FINL 64,623 1,634,000 0.24%
98 BLUEBIRD BIO INC COM 37,090 1,606,000 0.23%
99 NAVIOS MARITIME ACQUIS CORP SHS 994,054 1,561,000 0.22%
100 SABRE CORP 55,004 1,474,000 0.21%
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Portfolio data is normalized using SEC Form 13F filings, including the Original 13F-HR (0001104659-16-139336, filed 2016.08.12).

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.