There is a long list of 1672 institutional holders of C 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 C by largest to smallest position reported in the institutional investor's latest 13F filing. In the institutional-holders-of-C table below, the initial column indicates the name of each top institutional holder of C, with a link to that fund's top holdings. The next columns indicate the amount of C stock held by each of the institutional holders of C, followed by the C 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.	166,504,701	$8,565,002	12/31/2023
C	166,504,701	$8,565,002	12/31/2023
BlackRock Inc.	165,859,197	$8,531,797	12/31/2023
C	165,859,197	$8,531,797	12/31/2023
State Street Corp	82,935,233	$4,266,188	12/31/2023
C	82,935,233	$4,266,188	12/31/2023
Berkshire Hathaway Inc	55,244,797	$2,841,792	12/31/2023
C	55,244,797	$2,841,792	12/31/2023
Geode Capital Management LLC	37,248,958	$1,911,967	12/31/2023
C	37,248,958	$1,911,967	12/31/2023
Bank of New York Mellon Corp	29,756,568	$1,881,805	03/31/2024
C	29,756,568	$1,881,805	03/31/2024
Morgan Stanley	28,441,963	$1,463,055	12/31/2023
C	28,441,963	$1,463,055	12/31/2023
Fisher Asset Management LLC	24,755,277	$1,273,411	12/31/2023
C	24,755,277	$1,273,411	12/31/2023
Massachusetts Financial Services Co. MA	21,765,375	$1,119,611	12/31/2023
C	21,765,375	$1,119,611	12/31/2023
Northern Trust Corp	19,277,117	$991,615	12/31/2023
C	19,277,117	$991,615	12/31/2023
Putnam Investments LLC	17,775,952	$914,395	12/31/2023
C	17,775,952	$914,395	12/31/2023
Susquehanna International Group LLP		$911,390	12/31/2023
Call	26,855,100	$1,381,426	12/31/2023
Put	15,010,600	$772,145	12/31/2023
C	5,873,031	$302,109	12/31/2023
Hotchkis & Wiley Capital Management LLC	17,667,372	$908,810	12/31/2023
C	17,667,372	$908,810	12/31/2023
Norges Bank	16,866,233	$867,599	12/31/2023
C	16,866,233	$867,599	12/31/2023
Pzena Investment Management LLC	16,850,636	$866,797	12/31/2023
C	16,850,636	$866,797	12/31/2023
Arrowstreet Capital Limited Partnership	16,847,908	$866,656	12/31/2023
C	16,847,908	$866,656	12/31/2023
Legal & General Group Plc	16,642,148	$856,074	12/31/2023
C	16,642,148	$856,074	12/31/2023
Greenhaven Associates Inc.	16,113,305	$828,868	12/31/2023
C	16,113,305	$828,868	12/31/2023
Long Focus Capital Management LLC		$819,369	12/31/2023
Call	15,834,000	$814,501	12/31/2023
C	94,640	$4,868	12/31/2023
Bank of America Corp DE		$798,278	12/31/2023
C	16,687,836	$858,422	12/31/2023
Put	4,509,400	$231,964	12/31/2023
Call	3,340,200	$171,820	12/31/2023
Invesco Ltd.	14,195,417	$730,212	12/31/2023
C	14,195,417	$730,212	12/31/2023
Price T Rowe Associates Inc. MD	14,190,958	$729,984	12/31/2023
C	14,190,958	$729,984	12/31/2023
Charles Schwab Investment Management Inc.	14,146,772	$727,710	12/31/2023
C	14,146,772	$727,710	12/31/2023
Bank of Montreal Can		$695,287	12/31/2023
C	13,686,016	$704,009	12/31/2023
Put	605,700	$38,759	12/31/2023
Call	469,400	$30,037	12/31/2023
Ameriprise Financial Inc.	13,452,898	$693,002	12/31/2023
C	13,452,898	$693,002	12/31/2023
Barclays PLC		$615,676	12/31/2023
C	11,792,047	$606,587	12/31/2023
Call	941,900	$48,451	12/31/2023
Put	765,200	$39,362	12/31/2023
Sanders Capital LLC	11,840,740	$609,088	12/31/2023
C	11,840,740	$609,088	12/31/2023
Amundi	11,036,000	$590,194	12/31/2023
C	11,036,000	$590,194	12/31/2023
Artisan Partners Limited Partnership	11,213,397	$576,817	12/31/2023
C	11,213,397	$576,817	12/31/2023
Jane Street Group LLC		$564,797	12/31/2023
Call	14,201,200	$730,510	12/31/2023
Put	5,100,400	$262,365	12/31/2023
C	1,878,932	$96,652	12/31/2023
Royal Bank of Canada		$546,216	12/31/2023
C	13,379,690	$688,252	12/31/2023
Put	3,461,000	$178,034	12/31/2023
Call	699,800	$35,998	12/31/2023
Harris Associates L P	10,590,374	$544,769	12/31/2023
C	10,590,374	$544,769	12/31/2023
Capital Research Global Investors	10,188,436	$524,093	12/31/2023
C	10,188,436	$524,093	12/31/2023
UBS Asset Management Americas Inc.	9,164,987	$471,447	12/31/2023
C	9,164,987	$471,447	12/31/2023
Dimensional Fund Advisors LP	9,101,099	$468,170	12/31/2023
C	9,101,099	$468,170	12/31/2023
JPMorgan Chase & Co.		$465,875	12/31/2023
C	8,270,567	$425,438	12/31/2023
Call	3,234,500	$166,383	12/31/2023
Put	2,448,400	$125,946	12/31/2023
Nuveen Asset Management LLC	8,642,859	$444,589	12/31/2023
C	8,642,859	$444,589	12/31/2023
FMR LLC	7,977,787	$410,377	12/31/2023
C	7,977,787	$410,377	12/31/2023
LSV Asset Management	7,385,119	$379,891	12/31/2023
C	7,385,119	$379,891	12/31/2023
Wells Fargo & Company MN		$372,074	12/31/2023
C	7,067,267	$363,540	12/31/2023
Call	200,000	$10,288	12/31/2023
Put	34,100	$1,754	12/31/2023
Thornburg Investment Management Inc.	7,092,451	$364,836	12/31/2023
C	7,092,451	$364,836	12/31/2023
First Pacific Advisors LP	6,690,639	$344,166	12/31/2023
C	6,690,639	$344,166	12/31/2023
Hsbc Holdings PLC		$310,494	12/31/2023
C	5,342,377	$274,535	12/31/2023
Call	701,100	$35,959	12/31/2023
Citadel Advisors LLC		$309,399	12/31/2023
Put	14,764,600	$759,491	12/31/2023
Call	12,630,200	$649,697	12/31/2023
C	8,149,169	$419,193	12/31/2023
Sumitomo Mitsui Trust Holdings Inc.	4,807,317	$304,015	03/31/2024
C	4,807,317	$304,015	03/31/2024
Millennium Management LLC		$284,709	12/31/2023
C	6,537,680	$336,298	12/31/2023
Put	3,686,700	$189,644	12/31/2023
Call	2,683,800	$138,055	12/31/2023
AQR Capital Management LLC	5,491,100	$282,462	12/31/2023
C	5,491,100	$282,462	12/31/2023
Nordea Investment Management AB	4,960,074	$254,997	12/31/2023
C	4,960,074	$254,997	12/31/2023
Deutsche Bank AG	4,836,904	$248,810	12/31/2023
C	4,836,904	$248,810	12/31/2023
California Public Employees Retirement System	4,734,304	$243,533	12/31/2023
C	4,734,304	$243,533	12/31/2023