Dark
Light
System
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 (2015Q4)
Portfolio Summary: 313 holdings with a total value of $21,591,121,000.
#
Name
Shares
Value ($)
%
Options
Notes
1 GARTNER INC 8,373,687 759,493,000 3.52%
2 VAIL RESORTS INC 5,368,967 687,174,000 3.18%
3 ARCH CAPITAL GROUP LTD SHS 8,911,643 621,587,000 2.88%
4 COSTAR GROUP 2,875,266 594,289,000 2.75%
5 FACTSET RESH SYS INC 3,555,775 578,062,000 2.68%
6 ITC HOLDINGS ORD 12,971,289 509,123,000 2.36%
7 IDEXX LAB 6,891,469 502,526,000 2.33%
8 MIDDLEBY CORP 3,914,400 422,246,000 1.96%
9 UNDER ARMOUR INC 5,204,323 419,520,000 1.94%
10 METTLER-TOLEDO 1,184,204 401,599,000 1.86%
11 BRIGHT HORIZONS FAM SOL IN DEL COM 5,398,214 360,601,000 1.67%
12 TESLA INC 1,465,675 351,777,000 1.63%
13 SS&C TECHNOLOGIES HLDGS INC 4,856,756 331,571,000 1.54%
14 GUIDEWIRE SOFTWARE INC 5,279,360 317,606,000 1.47%
15 ANSYS 3,243,453 300,019,000 1.39%
16 HYATT HOTELS CORP COM CL A 6,338,887 298,054,000 1.38%
17 SCHWAB CHARLES CORP 8,981,783 295,770,000 1.37%
18 VERISK ANALYTICS INC 3,707,839 285,059,000 1.32%
19 MANCHESTER UTD PLC NEW ORD CL A 15,748,438 280,480,000 1.30%
20 ILLUMINA INC 1,404,071 269,504,000 1.25%
21 SBA COMMUNICATIONS CORPORATION 2,496,919 262,351,000 1.22%
22 CHOICE HOTELS INTL NEW 5,142,503 259,234,000 1.20%
23 GAMING & LEISURE PPTYS INC 9,273,606 257,806,000 1.19%
24 MAXIMUS INC 3,896,593 219,183,000 1.02%
25 DOUGLAS EMMETT INC COM 6,832,255 213,030,000 0.99%
26 DICKS SPORTING GOODS 5,993,834 211,882,000 0.98%
27 CBRE GROUP INC 5,962,241 206,174,000 0.95%
28 EQUINIX 654,052 197,785,000 0.92%
29 MSCI INC 2,545,937 183,638,000 0.85%
30 FLEETCOR TECH 1,259,445 180,012,000 0.83%
31 CARMAX 3,269,471 176,453,000 0.82%
32 TRANSDIGM GROUP INC COM 750,000 171,337,000 0.79%
33 AIR LEASE CORP 5,111,478 171,132,000 0.79%
34 PRIMERICA INC 3,592,842 169,690,000 0.79%
35 ACUITY BRANDS INC 725,000 169,505,000 0.79%
36 INOVALON HLDGS INC COM CL A 9,856,923 167,568,000 0.78%
37 FINANCIAL ENGINES INC 4,923,683 165,780,000 0.77%
38 CAESARSTONE LTD 3,782,138 163,918,000 0.76%
39 MASONITE INTL CORP NEW COM 2,590,855 158,638,000 0.73%
40 CHURCH & DWIGHT 1,839,782 156,161,000 0.72%
41 BENEFITFOCUS INC 4,266,288 155,250,000 0.72%
42 TREEHOUSE FOODS INC 1,835,210 143,991,000 0.67%
43 WEST PHARMACEUTICAL SVSC INC 2,367,992 142,600,000 0.66%
44 FASTENAL CO 3,438,478 140,359,000 0.65%
45 MOBILEYE N V AMSTELVEEN 3,278,052 138,596,000 0.64%
46 NORWEGIAN CRUISE LINE HLDG LTD SHS 2,359,469 138,265,000 0.64%
47 BIO TECHNE CORP 1,496,971 134,727,000 0.62%
48 Ultimate Software Group Inc 675,888 132,143,000 0.61%
49 MORNINGSTAR INC 1,636,974 131,629,000 0.61%
50 NORD ANGLIA EDUCATION INC 6,431,177 130,424,000 0.60%
Page 1 of 7

Portfolio data is normalized using SEC Form 13F filings, including the Original 13F-HR (0001140361-16-053153, filed 2016.02.16).

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.