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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 (2017Q2)
Portfolio Summary: 839 holdings with a total value of $15,650,823,000.
#
Name
Shares
Value ($)
%
Options
Notes
451 MIDDLESEX WTR CO 66,749 2,643,000 0.02%
452 RANDGOLD RES LTD 29,370 2,598,000 0.02%
453 ROWAN COMPANIES PLC SHS CL A 251,446 2,575,000 0.02%
454 AMERICAN TOWER CORP NEW 19,448 2,573,000 0.02%
455 SPARTAN MOTORS INC 290,000 2,567,000 0.02%
456 GABELLI HLTHCARE & WELLNESS 236,228 2,563,000 0.02%
457 STRAIGHT PATH COMMUNICATNS INCORPORATED CLASS B 14,250 2,560,000 0.02%
458 MONRO MUFFLER BRAKE INC 60,900 2,543,000 0.02%
459 STARRETT L S CO 291,208 2,504,000 0.02%
460 WINDSTREAM HLDGS INC 645,416 2,504,000 0.02%
461 UNITED GUARDIAN INC 161,200 2,491,000 0.02%
462 SPDR SER TR 45,000 2,473,000 0.02%
463 ALLIED WRLD ASSUR COM HLDG A 46,148 2,441,000 0.02%
464 AAR CORP COM 70,000 2,433,000 0.02%
465 DEXCOM INC 33,000 2,414,000 0.02%
466 XACTLY CORPORATN 154,200 2,413,000 0.02%
467 DUCOMMUN INC DEL COM 76,020 2,401,000 0.02%
468 SLM CORP 208,500 2,398,000 0.02%
469 LIFEWAY FOODS INC 254,800 2,380,000 0.02%
470 BIOSCRIP INC 868,451 2,358,000 0.02%
471 CROWN CASTLE INTL CORP NEW 23,305 2,335,000 0.01%
472 VEON LTD 596,000 2,330,000 0.01%
473 NAVIENT CORPORATION 139,500 2,323,000 0.01%
474 LIBERTY TRIPADVISOR HLDGS INC COM SER A 199,579 2,315,000 0.01%
475 MEDTRONIC PLC 25,670 2,278,000 0.01%
476 MOVADO GROUP INC 88,901 2,245,000 0.01%
477 MOOG INC 30,800 2,218,000 0.01%
478 FMC 30,000 2,192,000 0.01%
479 3M CO 10,482 2,182,000 0.01%
480 ENVISION HEALTHCARE CORP 34,017 2,132,000 0.01%
481 PROSHARES TR 168,000 2,130,000 0.01%
482 COMMERCEHUB INC COM SER A 122,038 2,126,000 0.01%
483 DU PONT E I DE NEMOURS & CO 26,280 2,121,000 0.01%
484 DOVER MOTORSPORTS INC 1,005,332 2,111,000 0.01%
485 PLANTRONICS INCORPORATED NEW 40,000 2,092,000 0.01%
486 LANDAUER INC CM 39,704 2,077,000 0.01%
487 JOHN BEAN TECHNOLOGIES CORP 21,160 2,074,000 0.01%
488 VWR CORP 62,600 2,066,000 0.01%
489 ENBRIDGE INC 51,564 2,053,000 0.01%
490 INTL PAPER CO 35,530 2,011,000 0.01%
491 Skyline Corporation 333,000 2,005,000 0.01%
492 BCE INC 44,300 1,995,000 0.01%
493 GABELLI UTIL TR 284,198 1,984,000 0.01%
494 ALLEGHANY CORP 3,295 1,960,000 0.01%
495 NORTHWEST NAT GAS CO 32,700 1,957,000 0.01%
496 US BANCORP DEL 37,500 1,947,000 0.01%
497 FORTINET INC 52,000 1,947,000 0.01%
498 GENERAL COMMUNICATION INC 52,815 1,935,000 0.01%
499 LYDALL INC COM 37,300 1,928,000 0.01%
500 CMS ENERGY CORP 41,500 1,919,000 0.01%
Page 10 of 17

Portfolio data is normalized using SEC Form 13F filings, including the Original 13F-HR (0001140361-17-030082, filed 2017.08.03).

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.