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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 (2017Q1)
Portfolio Summary: 211 holdings with a total value of $996,394,000.
#
Name
Shares
Value ($)
%
Options
Notes
1 COSTAR GROUP 128,059 26,536,000 2.66%
2 AFFILIATED MANAGERS GROUP 154,830 25,383,000 2.55%
3 IMAX CORP 704,903 23,967,000 2.41%
4 AZENTA INC COM 1,049,515 23,509,000 2.36%
5 LENDINGTREE INC NEW COM 168,339 21,101,000 2.12%
6 2U, Inc. 475,835 18,872,000 1.89%
7 EXACT SCIENCES CORP 743,939 17,572,000 1.76%
8 KORNIT DIGITAL LTD SHS 878,313 16,776,000 1.68%
9 SODASTREAM INTERNATIONAL LTD 326,019 15,789,000 1.58%
10 ULTIMATE SOFTWARE GROUP INCORPORATED 79,823 15,582,000 1.56%
11 ABIOMED INC 120,965 15,145,000 1.52%
12 VEEVA SYS INC 287,819 14,759,000 1.48%
13 SHOPIFY INC 212,607 14,476,000 1.45%
14 OSI SYSTEMS INC COM 194,672 14,209,000 1.43%
15 SPS COMM INC 231,716 13,553,000 1.36%
16 LIVEPERSON INC 1,960,097 13,427,000 1.35%
17 NEKTAR THERAPEUTICS COM 562,473 13,201,000 1.32%
18 WIX COM LTD 193,804 13,159,000 1.32%
19 IMPINJ INC COM 430,953 13,045,000 1.31%
20 MINDBODY INCORPORATED COM CLASS A 454,695 12,481,000 1.25%
21 VIRTUSA CORPORATION 405,757 12,262,000 1.23%
22 TENNANT CO 161,148 11,707,000 1.17%
23 GRAND CANYON ED INC 160,003 11,458,000 1.15%
24 ALBANY INTL CORP CL A 226,439 10,428,000 1.05%
25 BRIGHT HORIZONS FAM SOL IN DEL COM 143,442 10,398,000 1.04%
26 KAMAN CORP COM 214,533 10,325,000 1.04%
27 NEOGENOMICS INC 1,307,879 10,319,000 1.04%
28 CARDIOVASCULAR SYS INC DEL COM 361,095 10,210,000 1.02%
29 MARKETAXESS HLDGS INC 53,523 10,035,000 1.01%
30 AXON ENTERPRISE INC COM 432,211 9,850,000 0.99%
31 RUSH ENTERPRISES INC CL A 294,194 9,732,000 0.98%
32 RBC BEARINGS INC 99,814 9,691,000 0.97%
33 TITAN MACHY INC COM 631,676 9,690,000 0.97%
34 CUSTOMERS BANCORP INC COM 305,831 9,643,000 0.97%
35 DOUGLAS DYNAMICS INC 313,899 9,621,000 0.97%
36 Amber Road Inc 1,176,456 9,082,000 0.91%
37 ALKERMES PLC 152,724 8,934,000 0.90%
38 ZELTIQ AESTHETICS INC 157,882 8,780,000 0.88%
39 MODINE MFG CO COM 714,140 8,713,000 0.87%
40 PDF SOLUTIONS INC COM 360,880 8,163,000 0.82%
41 SAFEGUARD SCIENTIFICS INCORPORATED COM NEW 642,371 8,158,000 0.82%
42 RUDOLPH TECHNOLOGIES INC 357,923 8,017,000 0.80%
43 Evolent Health, Inc. 355,459 7,927,000 0.80%
44 RESOLUTE ENERGY 192,860 7,792,000 0.78%
45 LAWSON PRODS INC COM 338,763 7,605,000 0.76%
46 GIGAMON INC 213,362 7,585,000 0.76%
47 STAG INDL INC 301,899 7,554,000 0.76%
48 QUALYS INC 194,254 7,362,000 0.74%
49 CEVA Inc 206,100 7,317,000 0.73%
50 INNERWORKINGS INC 705,038 7,022,000 0.70%
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Portfolio data is normalized using SEC Form 13F filings, including the Original 13F-HR (0001026710-17-000006, filed 2017.05.15).

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.