There is a long list of 624 institutional holders of CLF within the last two holding periods in our database of 13F filers, so we've sorted through to present to you just the top 50 institutional holders of CLF by largest to smallest position reported in the institutional investor's latest 13F filing. In the institutional-holders-of-CLF table below, the initial column indicates the name of each top institutional holder of CLF, with a link to that fund's top holdings. The next columns indicate the amount of CLF stock held by each of the institutional holders of CLF, followed by the CLF position size held by the institution, and finally the date of the quarterly 13F filing period the holdings data represents for that institution.

Holder	Amount	Position Size ($ in 1000's)	As of
Vanguard Group Inc.	50,071,058	$1,022,451	12/31/2023
CLF	50,071,058	$1,022,451	12/31/2023
BlackRock Inc.	48,512,149	$990,618	12/31/2023
CLF	48,512,149	$990,618	12/31/2023
State Street Corp	22,091,309	$451,105	12/31/2023
CLF	22,091,309	$451,105	12/31/2023
Geode Capital Management LLC	8,014,666	$163,393	12/31/2023
CLF	8,014,666	$163,393	12/31/2023
Pacer Advisors Inc.		$153,021	12/31/2023
CLF	7,472,640	$152,591	12/31/2023
Corporate Bond Domestic	429,000	$430	12/31/2023
Slate Path Capital LP	6,973,000	$142,389	12/31/2023
CLF	6,973,000	$142,389	12/31/2023
Fisher Asset Management LLC	6,496,793	$132,665	12/31/2023
CLF	6,496,793	$132,665	12/31/2023
Morgan Stanley	6,314,043	$128,933	12/31/2023
CLF	6,314,043	$128,933	12/31/2023
Dimensional Fund Advisors LP	6,208,759	$126,796	12/31/2023
CLF	6,208,759	$126,796	12/31/2023
Norges Bank	5,758,302	$117,585	12/31/2023
CLF	5,758,302	$117,585	12/31/2023
Bank of New York Mellon Corp	4,869,626	$99,438	12/31/2023
CLF	4,869,626	$99,438	12/31/2023
Marshall Wace LLP	4,474,764	$91,375	12/31/2023
CLF	4,474,764	$91,375	12/31/2023
Neuberger Berman Group LLC	4,091,788	$83,637	12/31/2023
CLF	4,091,788	$83,637	12/31/2023
Sound Shore Management Inc CT	4,037,507	$82,446	12/31/2023
CLF	4,037,507	$82,446	12/31/2023
Northern Trust Corp	3,838,541	$78,383	12/31/2023
CLF	3,838,541	$78,383	12/31/2023
Arrowstreet Capital Limited Partnership	3,827,557	$78,159	12/31/2023
CLF	3,827,557	$78,159	12/31/2023
Two Sigma Investments LP	3,730,306	$76,173	12/31/2023
CLF	3,730,306	$76,173	12/31/2023
Charles Schwab Investment Management Inc.	3,542,004	$72,328	12/31/2023
CLF	3,542,004	$72,328	12/31/2023
Nuveen Asset Management LLC	3,087,951	$63,056	12/31/2023
CLF	3,087,951	$63,056	12/31/2023
Masters Capital Management LLC		$61,260	12/31/2023
CLF	2,000,000	$40,840	12/31/2023
Call	1,000,000	$20,420	12/31/2023
Drexel Morgan & Co.	2,990,400	$61,064	12/31/2023
CLF	2,990,400	$61,064	12/31/2023
Castle Hook Partners LP	2,964,534	$60,536	12/31/2023
CLF	2,964,534	$60,536	12/31/2023
Susquehanna International Group LLP		$60,260	12/31/2023
Put	5,841,700	$119,288	12/31/2023
CLF	4,991,139	$101,919	12/31/2023
Call	3,801,600	$77,629	12/31/2023
Mirae Asset Global Investments Co. Ltd.	2,716,932	$55,480	12/31/2023
CLF	2,716,932	$55,480	12/31/2023
Bank of America Corp DE		$54,027	12/31/2023
CLF	2,239,766	$45,736	12/31/2023
Call	406,000	$8,291	12/31/2023
Price T Rowe Associates Inc. MD	2,608,984	$53,277	12/31/2023
CLF	2,608,984	$53,277	12/31/2023
Douglas Lane & Associates LLC	2,214,119	$50,349	03/31/2024
CLF	2,214,119	$50,349	03/31/2024
Hodges Capital Management Inc.	2,095,437	$47,650	03/31/2024
CLF	2,095,437	$47,650	03/31/2024
Barclays PLC	2,085,413	$42,585	12/31/2023
CLF	2,085,413	$42,585	12/31/2023
Peconic Partners LLC	2,074,927	$42,370	12/31/2023
CLF	2,074,927	$42,370	12/31/2023
AQR Capital Management LLC	2,074,151	$42,354	12/31/2023
CLF	2,074,151	$42,354	12/31/2023
Legal & General Group Plc	2,025,411	$41,359	12/31/2023
CLF	2,025,411	$41,359	12/31/2023
Invesco Ltd.	1,967,238	$40,171	12/31/2023
CLF	1,967,238	$40,171	12/31/2023
JPMorgan Chase & Co.		$39,793	12/31/2023
CLF	2,016,221	$41,171	12/31/2023
Put	67,500	$1,378	12/31/2023
Principal Financial Group Inc.	1,853,196	$37,842	12/31/2023
CLF	1,853,196	$37,842	12/31/2023
Two Sigma Advisers LP	1,796,300	$36,680	12/31/2023
CLF	1,796,300	$36,680	12/31/2023
TIG Advisors LLC		$34,576	12/31/2023
CLF	1,799,371	$36,743	12/31/2023
Put	106,100	$2,167	12/31/2023
Bank of Montreal Can	1,636,111	$34,097	12/31/2023
CLF	1,636,111	$34,097	12/31/2023
Grantham Mayo Van Otterloo & Co. LLC	1,664,390	$33,987	12/31/2023
CLF	1,664,390	$33,987	12/31/2023
Swiss National Bank	1,590,640	$32,481	12/31/2023
CLF	1,590,640	$32,481	12/31/2023
Voloridge Investment Management LLC	1,588,931	$32,446	12/31/2023
CLF	1,588,931	$32,446	12/31/2023
Victory Capital Management Inc.	1,571,641	$32,093	12/31/2023
CLF	1,571,641	$32,093	12/31/2023
ARS Investment Partners LLC	1,543,097	$31,510	12/31/2023
CLF	1,543,097	$31,510	12/31/2023
D. E. Shaw & Co. Inc.		$31,504	12/31/2023
CLF	1,910,776	$39,018	12/31/2023
Put	1,000,900	$20,438	12/31/2023
Call	632,900	$12,924	12/31/2023
Rhumbline Advisers	1,499,943	$30,629	12/31/2023
CLF	1,499,943	$30,629	12/31/2023
Towle & Co.	1,435,465	$29,312	12/31/2023
CLF	1,435,465	$29,312	12/31/2023
UBS Asset Management Americas Inc.	1,417,925	$28,954	12/31/2023
CLF	1,417,925	$28,954	12/31/2023
Deutsche Bank AG	1,376,598	$28,110	12/31/2023
CLF	1,376,598	$28,110	12/31/2023
Jane Street Group LLC		$28,050	12/31/2023
CLF	1,404,654	$28,683	12/31/2023
Put	1,034,400	$21,122	12/31/2023
Call	1,003,400	$20,489	12/31/2023
Ninety One UK Ltd	1,367,682	$27,928	12/31/2023
CLF	1,367,682	$27,928	12/31/2023