Dark
Light
System
Security
CLIFFS NAT RES INC
CLIFFS NAT RES INC. Institutional holdings reported to the SEC.

Institutional Holders (2017Q2)
Portfolio Summary: 289 Institutional holders with a total value of $1,354,883,532.
#
Manager Name
Shares
Value ($)
%
Options
Notes
201 UBS Group AG 376,645 2,607,000 0.19%
202 BRIDGEWAY CAPITAL MANAGEMENT, LLC 387,900 2,684,000 0.20%
203 CAPITAL FUND MANAGEMENT S.A. 392,487 2,716,000 0.20%
204 RHUMBLINE ADVISERS 398,815 2,760,000 0.20%
205 GOLDMAN SACHS GROUP INC 405,700 2,807,000 0.21% Put
206 ClariVest Asset Management LLC 415,900 2,878,000 0.21%
207 VAN ECK ASSOCIATES CORP 434,387 3,006,000 0.22%
208 WHITEBOX ADVISORS LLC 450,000 3,114,000 0.23%
209 Lombard Odier Asset Management (USA) Corp 450,000 3,114,000 0.23% Put
210 JHL Capital Group LLC 450,000 3,114,000 0.23%
211 Swiss National Bank 450,300 3,116,000 0.23%
212 JANE STREET GROUP, LLC 456,507 3,159,000 0.23%
213 DEUTSCHE BANK AG\ 460,280 3,183,000 0.23%
214 ROYAL BANK OF CANADA 460,415 3,186,000 0.24%
215 UNITED SERVICES AUTOMOBILE ASSOCIATION 467,110 3,232,000 0.24%
216 LOCUST WOOD CAPITAL ADVISERS, LLC 467,995 3,239,000 0.24%
217 GOLDMAN SACHS GROUP INC 518,800 3,590,000 0.26% Call
218 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 528,175 3,655,000 0.27%
219 COMMERZBANK AKTIENGESELLSCHAFT /FI 533,876 3,694,000 0.27%
220 TEACHERS ADVISORS, LLC 542,655 3,755,000 0.28%
221 CITIGROUP INC 549,817 3,805,000 0.28%
222 Parallax Volatility Advisers, L.P. 550,000 3,806,000 0.28% Put
223 MARSHALL WACE NORTH AMERICA, L.P. 558,688 3,911,000 0.29%
224 TAYLOR ASSET MANAGEMENT INC 595,200 4,119,000 0.30%
225 Walleye Trading LLC 607,000 4,202,000 0.31% Call
226 Assured Investment Management LLC 618,914 4,283,000 0.32%
227 MCKINLEY CAPITAL MANAGEMENT LLC 643,970 4,456,000 0.33%
228 TWO SIGMA INVESTMENTS, LP 673,100 4,658,000 0.34% Put
229 ALLIANCEBERNSTEIN L.P. 679,245 4,700,000 0.35%
230 WELLS FARGO & COMPANY/MN 686,479 4,751,000 0.35%
231 AMERICAN CENTURY COMPANIES INC 695,170 4,811,000 0.36%
232 Russell Clark Investment Management Ltd 704,600 4,876,000 0.36%
233 NORDEA INVESTMENT MANAGEMENT AB 716,957 4,961,000 0.37%
234 Cortina Asset Management, LLC 742,105 5,135,000 0.38%
235 CHICAGO EQUITY PARTNERS LLC 779,095 5,391,000 0.40%
236 TIAA CREF INVESTMENT MANAGEMENT LLC 803,426 5,560,000 0.41%
237 TWO SIGMA INVESTMENTS, LP 846,500 5,858,000 0.43% Call
238 EATON VANCE MANAGEMENT 881,266 6,098,000 0.45%
239 CITIGROUP INC 918,400 6,356,000 0.47% Put
240 CITADEL ADVISORS LLC 932,500 6,453,000 0.48% Put
241 GROUP ONE TRADING LLC 954,157 6,603,000 0.49%
242 NEW YORK STATE COMMON RETIREMENT FUND 982,856 6,801,000 0.50%
243 MASTERS CAPITAL MANAGEMENT LLC 1,000,000 6,920,000 0.51%
244 MASTERS CAPITAL MANAGEMENT LLC 1,000,000 6,920,000 0.51% Call
245 BARCLAYS PLC 1,010,317 6,991,000 0.52%
246 TWO SIGMA ADVISERS, LP 1,024,458 7,089,000 0.52%
247 CITADEL ADVISORS LLC 1,043,300 7,220,000 0.53% Call
248 Penn Capital Management Company, LLC 1,055,513 7,304,000 0.54%
249 Jefferies Group LLC 1,129,300 7,815,000 0.58% Put
250 BANK OF AMERICA CORP /DE/ 1,145,631 7,928,000 0.59%
Page 5 of 6

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.