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Institutional Investment Manager
Granahan Investment Management, LLC
Granahan Investment Management, LLC (CIK: 0001026710) incorporated in Massachusetts, located at 404 Wyman Street, Waltham, MA. Institutional holdings reported to the SEC.

Institutional Holdings (2015Q3)
Portfolio Summary: 255 holdings with a total value of $3,229,911,000.
#
Name
Shares
Value ($)
%
Options
Notes
51 PROS HOLDINGS INC 905,188 20,041,000 0.62%
52 CARDIOVASCULAR SYS INC DEL COM 1,249,300 19,789,000 0.61%
53 RUSH ENTERPRISES INC 780,637 18,891,000 0.58%
54 OPUS BK IRVINE CALIF 489,570 18,721,000 0.58%
55 FLEETMATICS GROUP PLC 381,000 18,703,000 0.58%
56 BROADSOFT INC 608,823 18,240,000 0.56%
57 QUAKER HOUGHTON COM 232,700 17,937,000 0.56%
58 COGNEX CORP 517,816 17,797,000 0.55%
59 PERFICIENT INC COM 1,148,150 17,716,000 0.55%
60 HUBSPOT INCORPORATED 375,049 17,391,000 0.54%
61 TYLER TECHNOLOGIES INC 115,250 17,208,000 0.53%
62 PAYLOCITY HOLDING CORPORATION COM 564,462 16,928,000 0.52%
63 DOUGLAS DYNAMICS INC 845,789 16,797,000 0.52%
64 ALBANY INTL CORP CL A 576,546 16,495,000 0.51%
65 QTS RLTY TR INC 375,275 16,396,000 0.51%
66 MARKETAXESS HLDGS INC 174,300 16,189,000 0.50%
67 DXP ENTERPRISES INC NEW COM NEW 591,150 16,127,000 0.50%
68 POWER SOLUTIONS INTL INC COM NEW 708,843 16,098,000 0.50%
69 COMFORT SYSTEMS USA INC 585,080 15,949,000 0.49%
70 FACTSET RESH SYS INC 98,650 15,765,000 0.49%
71 CELADON GROUP INC 979,742 15,695,000 0.49%
72 FINISAR CORP COM NEW 1,389,094 15,461,000 0.48%
73 MOBILE MINI INC 499,070 15,366,000 0.48%
74 JETBLUE AIRWAYS CORP 595,000 15,333,000 0.47%
75 PRA GROUP INC 289,171 15,303,000 0.47%
76 PTC 462,446 14,678,000 0.45%
77 MICROSEMI CORP 447,000 14,671,000 0.45%
78 CVENT INC 435,537 14,660,000 0.45%
79 ENANTA PHARMACEUTICALS INC COM 403,430 14,580,000 0.45%
80 GENESEE AND WYOMING INC INC CL A 244,360 14,437,000 0.45%
81 GUIDEWIRE SOFTWARE INC 274,264 14,421,000 0.45%
82 COGENT COMMUNICATIONS HLDGS IN COM NEW 517,589 14,058,000 0.44%
83 HAWAIIAN HOLDINGS INC COM 562,752 13,889,000 0.43%
84 INPHI CORP 571,651 13,742,000 0.43%
85 SPECTRANETICS CORP 1,147,918 13,534,000 0.42%
86 INOGEN INC COM 278,456 13,519,000 0.42%
87 BOYD GAMING CORP COM 813,598 13,262,000 0.41%
88 SAGE THERAPEUTICS 311,265 13,173,000 0.41%
89 EPAM SYS INC 176,100 13,123,000 0.41%
90 Cempra Inc 470,800 13,107,000 0.41%
91 SAFEGUARD SCIENTIFICS INCORPORATED COM NEW 810,913 12,602,000 0.39%
92 MONOTYPE IMAGING HLDGS INC 574,027 12,525,000 0.39%
93 MONOLITHIC PWR SYS INC COM 244,236 12,505,000 0.39%
94 EBIX INC COM NEW 498,832 12,451,000 0.39%
95 CEPHEID 274,300 12,398,000 0.38%
96 QUALYS INC 432,490 12,309,000 0.38%
97 ACCELERON PHARMA 490,436 12,212,000 0.38%
98 Evolent Health, Inc. 753,571 12,027,000 0.37%
99 VASCULAR SOLUTIONS INC COM 370,507 12,008,000 0.37%
100 ATRICURE INC 536,007 11,744,000 0.36%
Page 2 of 6

Portfolio data is normalized using SEC Form 13F filings, including the Restatement filing (0001026710-15-000010, filed 2015.11.17).

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.