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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 (2017Q1)
Portfolio Summary: 841 holdings with a total value of $15,789,617,000.
#
Name
Shares
Value ($)
%
Options
Notes
251 GOGO INC 1,002,700 11,030,000 0.07%
252 BIO RAD LABS INC 55,162 10,996,000 0.07%
253 DISNEY WALT CO 96,050 10,891,000 0.07%
254 TEAM INC COM NEW 400,221 10,826,000 0.07%
255 MICROSOFT CORP 163,628 10,777,000 0.07%
256 OMNOVA SOLUTIONS INCORPORATED 1,087,990 10,771,000 0.07%
257 LAYNE CHRISTENSEN CO 1,217,100 10,759,000 0.07%
258 OCEANEERING INTL INC 394,884 10,693,000 0.07%
259 EASTERN CO 492,385 10,562,000 0.07%
260 GREENBRIER COS INC 245,000 10,560,000 0.07%
261 GREAT PLAINS ENERGY INC 361,138 10,552,000 0.07%
262 MASTERCARD INCORPORATED 93,757 10,545,000 0.07%
263 TIMKENSTEEL CORPORATION COM 557,476 10,542,000 0.07%
264 B/E AEROSPACE INC 163,955 10,511,000 0.07%
265 CABLE ONE INC 16,801 10,492,000 0.07%
266 ASCENT CAP GROUP INC 741,437 10,477,000 0.07%
267 ICU MED INC 68,600 10,475,000 0.07%
268 AMERICAN INTL GROUP INC 166,726 10,409,000 0.07%
269 CHARTER COMMUNICATIONS INC N 31,497 10,310,000 0.07%
270 SEVCON INC 700,983 10,234,000 0.06%
271 STRATASYS LTD 499,220 10,229,000 0.06%
272 A O SMITH 199,800 10,222,000 0.06%
273 JOY GLOBAL INCORPORATED 361,525 10,213,000 0.06%
274 WHOLE FOODS MKT INC 338,821 10,070,000 0.06%
275 BROCADE COMMUNICATIONS SYS I 799,771 9,981,000 0.06%
276 APPLE INC 68,828 9,888,000 0.06%
277 NEWS CORPORATION NEW CLASS B 726,014 9,801,000 0.06%
278 TEJON RANCH CO 446,206 9,767,000 0.06%
279 VERIZON COMMUNICATIONS INC 199,473 9,724,000 0.06%
280 KRAFT HEINZ CO 106,578 9,678,000 0.06%
281 ALCOA CORP 279,064 9,600,000 0.06%
282 INGREDION INC 78,670 9,474,000 0.06%
283 LINCOLN ELEC HLDGS INC 109,000 9,468,000 0.06%
284 SINCLAIR BROADCAST GROUP INC 230,900 9,351,000 0.06%
285 ANADARKO PETE CORP 145,971 9,050,000 0.06%
286 BERKSHIRE HATHAWAY INC DEL 54,070 9,012,000 0.06%
287 LIBERTY MEDIA CORP SERIES C 260,856 8,908,000 0.06%
288 VULCAN MATLS CO 73,637 8,872,000 0.06%
289 TAKE-TWO INTERACTIVE SOFTWAR 149,258 8,847,000 0.06%
290 AGILENT TECHNOLOGIES INC 165,000 8,724,000 0.06%
291 NXP SEMICONDUCTORS N V 83,650 8,658,000 0.05%
292 SCOTTS MIRACLE-GRO CO 90,000 8,405,000 0.05%
293 STONERIDGE INC COM 455,094 8,255,000 0.05%
294 CANTEL MEDICAL CORP 102,730 8,229,000 0.05%
295 SONOCO PRODS CO 155,094 8,208,000 0.05%
296 HARTFORD FINL SVCS GROUP INC 170,410 8,192,000 0.05%
297 S&P GLOBAL INC 60,875 7,959,000 0.05%
298 SJW CORP 163,219 7,870,000 0.05%
299 SALEM MEDIA GROUP INC CL A 1,049,821 7,821,000 0.05%
300 GRAHAM HLDGS CO 12,988 7,787,000 0.05%
Page 6 of 17

Portfolio data is normalized using SEC Form 13F filings, including the Original 13F-HR (0001140361-17-018484, filed 2017.05.04).

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.