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Institutional Investment Manager
BAMCO INC /NY/
BAMCO INC /NY/ (CIK: 0001017918) incorporated in New York, located at 767 Fifth Avenue, New York, NY. Institutional holdings reported to the SEC.

Institutional Holdings (2016Q4)
Portfolio Summary: 321 holdings with a total value of $17,758,828,000.
#
Name
Shares
Value ($)
%
Options
Notes
1 VAIL RESORTS INC 5,266,892 849,602,000 4.78%
2 GARTNER INC 7,502,738 758,302,000 4.27%
3 ARCH CAPITAL GROUP LTD SHS 8,765,845 756,405,000 4.26%
4 IDEXX LAB 5,690,887 667,370,000 3.76%
5 COSTAR GROUP 2,997,945 565,083,000 3.18%
6 FACTSET RESH SYS INC 3,216,917 525,741,000 2.96%
7 GAMING & LEISURE PPTYS INC 12,555,853 384,460,000 2.16%
8 TESLA INC 1,577,529 337,102,000 1.90%
9 BRIGHT HORIZONS FAM SOL IN DEL COM 4,687,889 328,246,000 1.85%
10 METTLER-TOLEDO 721,363 301,934,000 1.70%
11 CHOICE HOTELS INTL NEW 4,912,119 275,324,000 1.55%
12 ANSYS 2,920,322 270,101,000 1.52%
13 SCHWAB CHARLES CORP 6,616,406 261,150,000 1.47%
14 HYATT HOTELS CORP COM CL A 4,559,942 251,982,000 1.42%
15 GUIDEWIRE SOFTWARE INC 5,001,845 246,741,000 1.39%
16 DOUGLAS EMMETT INC COM 6,347,994 232,083,000 1.31%
17 SS&C TECHNOLOGIES HLDGS INC 8,066,616 230,705,000 1.30%
18 MAXIMUS INC 3,955,605 220,683,000 1.24%
19 MIDDLEBY CORP 1,630,491 210,024,000 1.18%
20 MANCHESTER UTD PLC NEW ORD CL A 14,622,085 208,365,000 1.17%
21 PRIMERICA INC 2,930,705 202,658,000 1.14%
22 VERISK ANALYTICS INC 2,426,128 196,929,000 1.11%
23 MSCI INC 2,361,984 186,077,000 1.05%
24 MARRIOTT VACATIONS WORLDWIDE C COM 2,174,007 184,464,000 1.04%
25 WEST PHARMACEUTICAL SVSC INC 2,138,775 181,432,000 1.02%
26 SBA COMMUNICATIONS CORP NEW CL A 1,724,009 178,021,000 1.00%
27 UNDER ARMOUR INC 5,730,639 166,475,000 0.94%
28 BIO TECHNE CORP 1,600,092 164,537,000 0.93%
29 NORD ANGLIA EDUCATION INC 6,851,485 159,640,000 0.90%
30 FINANCIAL ENGINES INC 4,304,384 158,186,000 0.89%
31 UNDER ARMOUR INC C 6,229,353 156,793,000 0.88%
32 TRANSDIGM GROUP INC COM 625,000 155,600,000 0.88%
33 MASONITE INTL CORP NEW COM 2,106,379 138,600,000 0.78%
34 FLEETCOR TECH 948,446 134,224,000 0.76%
35 CBRE GROUP INC 4,096,978 129,014,000 0.73%
36 CHURCH & DWIGHT 2,881,950 127,353,000 0.72%
37 BENEFITFOCUS INC 4,251,416 126,267,000 0.71%
38 PANERA BREAD CO 614,131 125,952,000 0.71%
39 ALEX REAL ESTATE EQ 1,112,696 123,654,000 0.70%
40 EQUINIX 335,725 119,991,000 0.68%
41 WASTE CONNECTIONS INC 1,500,000 117,885,000 0.66%
42 Ultimate Software Group Inc 646,235 117,841,000 0.66%
43 MORNINGSTAR INC 1,556,884 114,524,000 0.64%
44 DICKS SPORTING GOODS 2,142,071 113,744,000 0.64%
45 IRIDIUM COMMUNICATIONS INC 9,373,818 112,140,000 0.63%
46 ALIBABA GROUP HLDG LTD 1,269,948 111,514,000 0.63%
47 ZILLOW GROUP INC 2,891,722 105,403,000 0.59%
48 ACUITY BRANDS INC 450,000 103,887,000 0.58%
49 COHEN STEERS INC 2,936,379 98,662,000 0.56%
50 On Assignment Inc 2,135,800 94,317,000 0.53%
Page 1 of 7

Portfolio data is normalized using SEC Form 13F filings, including the Original 13F-HR (0001140361-17-006581, filed 2017.02.14).

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.