There is a long list of 204 institutional holders of IBOC 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 IBOC by largest to smallest position reported in the institutional investor's latest 13F filing. In the institutional-holders-of-IBOC table below, the initial column indicates the name of each top institutional holder of IBOC, with a link to that fund's top holdings. The next columns indicate the amount of IBOC stock held by each of the institutional holders of IBOC, followed by the IBOC 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
BlackRock Inc.	6,861,201	$372,700	12/31/2023
IBOC	6,861,201	$372,700	12/31/2023
Vanguard Group Inc.	6,379,230	$346,520	12/31/2023
IBOC	6,379,230	$346,520	12/31/2023
Dimensional Fund Advisors LP	3,909,498	$212,365	12/31/2023
IBOC	3,909,498	$212,365	12/31/2023
State Street Corp	2,426,467	$131,806	12/31/2023
IBOC	2,426,467	$131,806	12/31/2023
Wellington Management Group LLP	1,785,537	$96,990	12/31/2023
IBOC	1,785,537	$96,990	12/31/2023
Charles Schwab Investment Management Inc.	1,539,677	$83,635	12/31/2023
IBOC	1,539,677	$83,635	12/31/2023
Boston Trust Walden Corp	1,458,098	$81,858	03/31/2024
IBOC	1,458,098	$81,858	03/31/2024
Geode Capital Management LLC	1,227,633	$66,692	12/31/2023
IBOC	1,227,633	$66,692	12/31/2023
North Reef Capital Management LP	1,181,250	$64,166	12/31/2023
IBOC	1,181,250	$64,166	12/31/2023
Northern Trust Corp	836,691	$45,449	12/31/2023
IBOC	836,691	$45,449	12/31/2023
Polaris Capital Management LLC	730,008	$40,983	03/31/2024
IBOC	730,008	$40,983	03/31/2024
Bank of New York Mellon Corp	697,647	$39,166	03/31/2024
IBOC	697,647	$39,166	03/31/2024
American Century Companies Inc.	673,054	$36,560	12/31/2023
IBOC	673,054	$36,560	12/31/2023
Reinhart Partners Inc.	640,513	$35,958	03/31/2024
IBOC	640,513	$35,958	03/31/2024
First Trust Advisors LP	651,845	$35,408	12/31/2023
IBOC	651,845	$35,408	12/31/2023
Nuveen Asset Management LLC	597,142	$32,437	12/31/2023
IBOC	597,142	$32,437	12/31/2023
Norges Bank	590,143	$32,057	12/31/2023
IBOC	590,143	$32,057	12/31/2023
Tamar Securities LLC	574,453	$31,204	12/31/2023
IBOC	574,453	$31,204	12/31/2023
Azora Capital LP	552,659	$30,020	12/31/2023
IBOC	552,659	$30,020	12/31/2023
Arrowstreet Capital Limited Partnership	476,304	$25,873	12/31/2023
IBOC	476,304	$25,873	12/31/2023
Goldman Sachs Group Inc.	473,541	$25,723	12/31/2023
IBOC	473,541	$25,723	12/31/2023
Morgan Stanley	396,570	$21,542	12/31/2023
IBOC	396,570	$21,542	12/31/2023
Invesco Ltd.	354,661	$19,265	12/31/2023
IBOC	354,661	$19,265	12/31/2023
Panagora Asset Management Inc.	321,813	$17,481	12/31/2023
IBOC	321,813	$17,481	12/31/2023
SOL Capital Management CO	256,525	$14,401	03/31/2024
IBOC	256,525	$14,401	03/31/2024
Principal Financial Group Inc.	222,652	$12,500	03/31/2024
IBOC	222,652	$12,500	03/31/2024
FMR LLC	220,300	$11,967	12/31/2023
IBOC	220,300	$11,967	12/31/2023
Rhumbline Advisers	200,752	$10,905	12/31/2023
IBOC	200,752	$10,905	12/31/2023
Alliancebernstein L.P.	195,080	$10,597	12/31/2023
IBOC	195,080	$10,597	12/31/2023
Voya Investment Management LLC	171,150	$9,297	12/31/2023
IBOC	171,150	$9,297	12/31/2023
Brandywine Global Investment Management LLC	170,719	$9,273	12/31/2023
IBOC	170,719	$9,273	12/31/2023
AQR Capital Management LLC	163,253	$8,868	12/31/2023
IBOC	163,253	$8,868	12/31/2023
Kovack Advisors Inc.	156,494	$8,786	03/31/2024
IBOC	156,494	$8,786	03/31/2024
JPMorgan Chase & Co.	161,601	$8,778	12/31/2023
IBOC	161,601	$8,778	12/31/2023
New York State Common Retirement Fund	158,168	$8,592	12/31/2023
IBOC	158,168	$8,592	12/31/2023
Barclays PLC	146,626	$7,965	12/31/2023
IBOC	146,626	$7,965	12/31/2023
Eldred Rock Partners LLC	138,321	$7,765	03/31/2024
IBOC	138,321	$7,765	03/31/2024
Kennedy Capital Management Inc.	111,303	$6,046	12/31/2023
IBOC	111,303	$6,046	12/31/2023
Bank of America Corp DE	110,474	$6,001	12/31/2023
IBOC	110,474	$6,001	12/31/2023
Swiss National Bank	110,000	$5,975	12/31/2023
IBOC	110,000	$5,975	12/31/2023
Algert Global LLC	105,627	$5,738	12/31/2023
IBOC	105,627	$5,738	12/31/2023
New York State Teachers Retirement System	101,834	$5,717	03/31/2024
IBOC	101,834	$5,717	03/31/2024
Jupiter Asset Management Ltd.	99,712	$5,416	12/31/2023
IBOC	99,712	$5,416	12/31/2023
Mercer Global Advisors Inc. ADV	98,466	$5,349	12/31/2023
IBOC	98,466	$5,349	12/31/2023
American International Group Inc.	98,375	$5,344	12/31/2023
IBOC	98,375	$5,344	12/31/2023
Maltese Capital Management LLC	88,300	$4,796	12/31/2023
IBOC	88,300	$4,796	12/31/2023
Credit Suisse AG	87,276	$4,741	12/31/2023
IBOC	87,276	$4,741	12/31/2023
Qube Research & Technologies Ltd	85,076	$4,621	12/31/2023
IBOC	85,076	$4,621	12/31/2023
GW&K Investment Management LLC	83,065	$4,512	12/31/2023
IBOC	83,065	$4,512	12/31/2023
Legal & General Group Plc	79,356	$4,311	12/31/2023
IBOC	79,356	$4,311	12/31/2023