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Institutional Investment Manager
GAMCO INVESTORS, INC. ET AL
GAMCO INVESTORS, INC. ET AL (CIK: 0000807249) incorporated in Delaware, located at 191 Mason Street, Greenwich, CT. Institutional holdings reported to the SEC.

Institutional Holdings (2016Q1)
Original 13F HR (0001140361-16-063616) filed in 2016.05.05
#
Name
Shares
Value ($)
%
Options
Notes
1 3M CO 17,707 2,951 0.02%
2 A H BELO CORP 25,000 120 0.00%
3 A O SMITH 145,400 11,095 0.07%
4 AAR CORP COM 70,000 1,629 0.01%
5 ABB LTD 27,300 530 0.00%
6 ABBOTT LABS 13,695 573 0.00%
7 ABBVIE INC 35,460 2,025 0.01%
8 ACCO BRANDS CORPORATION COM 165,743 1,488 0.01%
9 ACCURIDE CORP NEW 73,102 113 0.00%
10 ACUITY BRANDS INC 8,295 1,809 0.01%
11 ADCARE HEALTH SYSTEMS INC 153,933 357 0.00%
12 ADOBE INC 58,470 5,484 0.04%
13 AEGION CORP 72,000 1,518 0.01%
14 AEROJET ROCKETDYNE HLDGS INC COM 4,866,779 79,718 0.53%
15 AES CORP 582,900 6,878 0.05%
16 AGILENT TECHNOLOGIES INC 202,300 8,062 0.05%
17 AGL Resources Inc 136,734 8,907 0.06%
18 AGNICO EAGLE MINES LTD 69,845 2,526 0.02%
19 AIR PRODS & CHEMS INC 2,375 342 0.00%
20 AIRGAS INC 479,300 67,888 0.45%
21 AKORN INCORPORATED 46,300 1,089 0.01%
22 ALAMOS GOLD INC NEW 155,252 821 0.01%
23 ALBANY INTL CORP CL A 81,100 3,049 0.02%
24 ALBEMARLE CORP 31,600 2,020 0.01%
25 ALERE INC 494,105 25,007 0.16%
26 ALIGN TECHNOLOGY INC 5,000 363 0.00%
27 ALLEGHANY CORP 3,295 1,635 0.01%
28 ALLERGAN PLC 39,798 10,667 0.07%
29 ALLETE INC COM NEW 7,400 415 0.00%
30 ALLIANCEBERNSTEIN HLDG L P 262,146 6,142 0.04%
31 ALLIANT ENERGY CORP 11,590 861 0.01%
32 ALPHABET INC 15,395 11,469 0.08%
33 ALPHABET INC 10,240 7,812 0.05%
34 ALTRIA GROUP INC 4,750 298 0.00%
35 AMAZON COM INC 14,857 8,820 0.06%
36 AMC NETWORKS INC CL A 1,335,677 86,739 0.57%
37 AMERICA MOVIL SAB DE CV 78,000 1,211 0.01%
38 AMERICAN DG ENERGY INC 280,000 92 0.00%
39 AMERICAN ELEC PWR INC 7,350 488 0.00%
40 AMERICAN EXPRESS CO 2,781,276 170,770 1.13%
41 AMERICAN INTL GROUP INC 309,172 16,711 0.11%
42 AMERICAN RAILCAR INDS INC 5,000 204 0.00%
43 AMERICAN WTR WKS CO INC NEW 5,950 410 0.00%
44 AMERIPRISE FINANCIAL, INC. 120,000 2,440 0.02%
45 AMERIPRISE FINL INC 26,159 2,459 0.02%
46 AMETEK INC NEW 2,517,293 125,814 0.83%
47 AMGEN INC 37,210 5,579 0.04%
48 AMPCO-PITTSBURGH CORP 1,481,355 20,606 0.14%
49 AMSURG CORP 5,027 375 0.00%
50 ANADARKO PETE CORP 164,800 7,675 0.05%
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