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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 (2015Q1)
Portfolio Summary: 231 holdings with a total value of $3,494,473,000.
#
Name
Shares
Value ($)
%
Options
Notes
1 AFFILIATED MANAGERS GROUP 290,392 62,370,000 1.78%
2 ADVISORY BRD CO COM 1,130,891 60,254,000 1.72%
3 RBC BEARINGS INC 677,409 51,849,000 1.48%
4 TASER INTERNATIONAL 2,089,126 50,369,000 1.44%
5 SPS COMM INC 743,693 49,902,000 1.43%
6 COSTAR GROUP 247,045 48,873,000 1.40%
7 IMAX CORP COM 1,447,430 48,793,000 1.40%
8 INFOBLOX INC 2,006,083 47,885,000 1.37%
9 Royal Gold Inc 3,461,163 44,545,000 1.27%
10 SUPER MICRO COMPUTER INC COM 1,288,623 42,795,000 1.22%
11 OM GROUP INC 1,421,462 42,687,000 1.22%
12 Ultimate Software Group Inc 250,456 42,566,000 1.22%
13 RADWARE LTD 2,001,379 41,849,000 1.20%
14 RED HAT INC 550,700 41,716,000 1.19%
15 WEST PHARMACEUTICAL SVSC INC 674,500 40,612,000 1.16%
16 BRUKER CORP 2,102,300 38,829,000 1.11%
17 LIVEPERSON INC 3,723,959 38,115,000 1.09%
18 EURONET WORLDWIDE INC 635,985 37,364,000 1.07%
19 CONSTANT CONTACT INC 957,117 36,571,000 1.05%
20 BIO RAD LABS INC CL A 269,634 36,449,000 1.04%
21 STAG INDL INC 1,494,836 35,159,000 1.01%
22 METTLER-TOLEDO 105,750 34,755,000 0.99%
23 ALKERMES PLC SHS 569,400 34,716,000 0.99%
24 TENNANT CO COM 520,646 34,035,000 0.97%
25 CROCS INC 2,872,170 33,920,000 0.97%
26 POWER SOLUTIONS INTL INC COM NEW 523,524 33,657,000 0.96%
27 KENNAMETAL INC 992,263 33,429,000 0.96%
28 FIVE BELOW INC COM 907,372 32,275,000 0.92%
29 GIGAMON INC 1,517,112 32,223,000 0.92%
30 Pandora Media Inc 1,987,449 32,217,000 0.92%
31 FINISAR CORP COM NEW 1,494,694 31,897,000 0.91%
32 FACTSET RESH SYS INC 199,650 31,784,000 0.91%
33 SUCAMPO PHARMACEUTICALS INC 2,020,564 31,440,000 0.90%
34 VIRTUSA CORPORATION 747,308 30,924,000 0.88%
35 KAMAN CORP COM 728,568 30,913,000 0.88%
36 MELLANOX TECHNOLOGIES LTD 671,893 30,464,000 0.87%
37 PTC 826,446 29,893,000 0.86%
38 AZENTA INC COM 2,545,739 29,607,000 0.85%
39 SILICON LABORATORIES INC 551,480 27,999,000 0.80%
40 DXP ENTERPRISES INC NEW COM NEW 625,440 27,576,000 0.79%
41 BUFFALO WILD WINGS INC 150,675 27,308,000 0.78%
42 QIAGEN NV 1,051,000 26,485,000 0.76%
43 TETRAPHASE PHARMACEUTICALS I COM 720,781 26,409,000 0.76%
44 WNS HLDGS LTD 1,071,545 26,060,000 0.75%
45 GENESEE AND WYOMING INC INC CL A 266,960 25,746,000 0.74%
46 CARDIOVASCULAR SYS INC DEL COM 649,500 25,356,000 0.73%
47 INTERSIL CORP CL A 1,768,395 25,323,000 0.72%
48 CADENCE DESIGN 1,350,100 24,896,000 0.71%
49 DEMANDWARE INC 407,984 24,846,000 0.71%
50 ZELTIQ AESTHETICS INCORPORATED 802,302 24,735,000 0.71%
Page 1 of 5

Portfolio data is normalized using SEC Form 13F filings, including the Original 13F-HR (0001026710-15-000004, filed 2015.04.10).

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.