$CHK Largest Shareholders. The Vanguard Group Inc. 119,334,741 39,278,288 7.305 03/31
BlackRock Fund Advisors 96,463,292 11,559,774 5.905 03/31
Harris Associates LP 42,237,380 349,000 2.585 03/31
SSgA Funds Management Inc. 40,277,808 (1,880,598) 2.465 03/31
Capital Research & Management 23,118,217 (21,226) 1.415 03/31
AQR Capital Management LLC 20,994,654 15,766,956 1.285 03/31
Dimensional Fund Advisors LP 18,955,858 6,524,188 1.160 03/31
Millennium Management LLC 16,990,093 6,571,444 1.040 03/31
Schneider Capital Management C 11,482,256 (381,253) 0.703 03/31
Huber Capital Management LLC 11,480,523 3,090,664 0.703 03/31
Geode Capital Management LLC 11,067,910 1,849,948 0.677 03/31
Northern Trust Investments In 8,611,416 1,702,020 0.527 03/31
Westwood Management Corp. (Tex 7,875,723 3,156 0.482 03/31
Fiera Capital Corp. (Investmen 7,612,006 7,612,006 0.466 03/31
Charles Schwab Investment Mana 7,608,224 (671,473) 0.466 06/30
Allianz Global Investors U.S. 7,473,257 323,979 0.457 03/31
Goldman Sachs & Co. LLC (Priva 7,154,231 3,251,006 0.438 03/31
Mellon Investments Corp. 7,121,443 752,200 0.436 03/31
Barrow Hanley Mewhinney & St 6,731,547 (2,196,263) 0.412 03/31
Parametric Portfolio Associate 6,185,063 648,848 0.379 03/31
New Jersey Division of Investm 5,070,000 (10,000) 0.310 06/30
DWS Investment GmbH 5,003,693 (2,044,618) 0.306 03/31
Merrill Lynch Pierce Fenner 4,763,346 2,326,845 0.292 03/31
Principal Global Investors LLC 4,537,429 522,395 0.278 03/31
The Bank of New York Mellon Co 4,197,566 509,191 0.257 03/31
Credit Suisse Securities (USA) 3,659,404 (1,330,122) 0.224 03/31
New York State Common Retireme 3,282,132 1,705,932 0.201 03/31
Spark Investment Management LL 3,216,200 265,000 0.197 03/31
BlackRock Investment Managemen 3,040,709 412,386 0.186 03/31
Susquehanna Financial Group LL 3,010,959 3,010,959 0.184 03/31
Pacific Investment Management 3,000,000 3,000,000 0.184 03/31
Columbia Management Investment 2,996,174 358,463 0.183 03/31
Barclays Bank Plc (Private Ban 2,982,096 1,668,789 0.183 03/31
Arrowstreet Capital LP 2,867,070 2,867,070 0.175 03/31
Majedie Asset Management Ltd. 2,863,200 2,863,200 0.175 03/31
OxFORD Asset Management LLP 2,692,725 2,692,725 0.165 03/31
RhumbLine Advisers LP 2,578,901 241,399 0.158 03/31
River & Mercantile Asset Manag 2,463,824 (82,600) 0.151 03/31
BlackRock Financial Management 2,412,675 326,057 0.148 03/31
Schweizerische Nationalbank (I 2,376,090 762,987 0.145 03/31
TIAA-CREF Investment Managemen 2,343,876 1,443,179 0.143 03/31
Morgan Stanley Smith Barney LL 2,277,741 347,797 0.139 03/31
The California Public Employee 2,245,047 314,090 0.137 03/31
Nomura Securities Co. Ltd. (P 2,205,933 2,205,929 0.135 03/31
Citigroup Global Markets Inc. 2,161,928 (815,402) 0.132 03/31
Loomis Sayles & Co. LP 2,158,135 (370) 0.132 03/31
Bank of America NA (Private B 2,141,137 1,820,761 0.131 03/31
SunAmerica Asset Management LL 2,080,413 218,271 0.127 03/31
BNY Mellon Investment Adviser 2,075,359 187,557 0.127 03/31
Squarepoint OPS LLC 1,952,863 1,888,763 0.120 03/31