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International Bancshares Corp

IBOC
Exchange
Nasdaq
Industry
State Commercial Banks
SEC CIK
0000315709

No open-market purchases or sales by International Bancshares Corp insiders were filed in the last 90 days; 301 institutions reported holding it in 13F filings for Q2 2026, worth $3.36B in total; no superinvestor holds it.

13F holders, Q4 2025

Institutional positions in International Bancshares Corp as of Dec 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
266
+14 vs. Q3 2025
Shares held
43.5M
+1.20M (+2.8%) vs. Q3 2025
Total value
$2.89B
−$17.8M (−0.6%) vs. Q3 2025
New holders
32
86 more added
Sold out
18
103 more reduced

2 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting IBOC on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ4 2025: 266 institutions
Q1 2021: 179 institutionsQ2 2021: 184 institutionsQ3 2021: 189 institutionsQ4 2021: 182 institutionsQ1 2022: 200 institutionsQ2 2022: 178 institutionsQ3 2022: 174 institutionsQ4 2022: 195 institutionsQ1 2023: 187 institutionsQ2 2023: 191 institutionsQ3 2023: 185 institutionsQ4 2023: 200 institutionsQ1 2024: 198 institutionsQ2 2024: 209 institutionsQ3 2024: 235 institutionsQ4 2024: 242 institutionsQ1 2025: 251 institutionsQ2 2025: 255 institutionsQ3 2025: 254 institutionsQ4 2025: 266 institutionsQ1 2026: 294 institutionsQ2 2026: 301 institutions
Value heldQ4 2025: $2.89B
Q1 2021: $1.85BQ2 2021: $1.74BQ3 2021: $1.67BQ4 2021: $1.70BQ1 2022: $1.79BQ2 2022: $1.68BQ3 2022: $1.75BQ4 2022: $1.89BQ1 2023: $1.76BQ2 2023: $1.80BQ3 2023: $1.76BQ4 2023: $2.22BQ1 2024: $2.45BQ2 2024: $2.41BQ3 2024: $2.46BQ4 2024: $2.65BQ1 2025: $2.67BQ2 2025: $2.84BQ3 2025: $2.90BQ4 2025: $2.89BQ1 2026: $2.89BQ2 2026: $3.36B
Institutions holding IBOC and their total value by quarter
QuarterHoldersValue
Q2 2026301$3.36B
Q1 2026294$2.89B
Q4 2025266$2.89B
Q3 2025254$2.90B
Q2 2025255$2.84B
Q1 2025251$2.67B
Q4 2024242$2.65B
Q3 2024235$2.46B
Q2 2024209$2.41B
Q1 2024198$2.45B
Q4 2023200$2.22B
Q3 2023185$1.76B
Q2 2023191$1.80B
Q1 2023187$1.76B
Q4 2022195$1.89B
Q3 2022174$1.75B
Q2 2022178$1.68B
Q1 2022200$1.79B
Q4 2021182$1.70B
Q3 2021189$1.67B
Q2 2021184$1.74B
Q1 2021179$1.85B

Institutions, Q4 2025

Shares, value and share of portfolio for each institution holding International Bancshares Corp; share changes are against Q3 2025.

Institutions holding IBOC in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock, Inc.6,709,927$445.8M0.01%−5,613−0.1%Reduced
Vanguard Group Inc6,219,187$413.2M0.01%−83,799−1.3%Reduced
American Century Companies Inc3,198,405$212.5M0.11%+108,182+3.5%Added
Dimensional Fund Advisors LP3,177,352$211.1M0.04%−28,879−0.9%Reduced
State Street Corp2,463,011$163.6M0.01%−13,410−0.5%Reduced
Charles Schwab Investment Management Inc2,277,879$151.3M0.02%+45,980+2.1%Added
Azora Capital LP1,524,345$101.3M6.38%+395,984+35.1%Added
Geode Capital Management, LLC1,435,471$95.4M0.01%+9,496+0.7%Added
First Trust Advisors LP1,364,148$90.6M0.07%+93,610+7.4%Added
Boston Trust Walden Corp1,191,816$79.2M0.60%−57,583−4.6%Reduced
T. Rowe Price Investment Management, Inc.1,091,549$72.5M0.05%+70,193+6.9%Added
Reinhart Partners, Inc.739,340$49.1M1.47%+72,025+10.8%Added
Tamar Securities, LLC738,357$49.1M5.19%+5,521+0.8%Added
Norges Bank686,300$45.6M0.00%+686,300New
Northern Trust Corp646,450$43.0M0.01%−46,813−6.8%Reduced
Goldman Sachs Group Inc590,291$39.2M0.01%+48,699+9.0%Added
Millennium Management LLC553,612$36.8M0.03%−49,962−8.3%Reduced
ProShare Advisors LLC502,770$33.4M0.06%−13,517−2.6%Reduced
AQR Capital Management LLC501,566$33.3M0.02%−113,352−18.4%Reduced
Polaris Capital Management, LLC477,304$31.7M2.63%−68,700−12.6%Reduced
Bank of New York Mellon Corp451,904$30.0M0.01%−26,713−5.6%Reduced
Panagora Asset Management Inc388,053$25.8M0.09%+16,814+4.5%Added
Morgan Stanley300,642$20.0M0.00%+50,688+20.3%Added
Alliancebernstein L.P.274,018$18.2M0.01%+49,499+22.0%Added
Price T Rowe Associates Inc268,654$17.9M0.00%+219,578+447.4%Added
Invesco Ltd.267,517$17.8M0.00%+6,151+2.4%Added
SOL Capital Management CO200,265$13.3M1.20%−300−0.1%Reduced
JPMorgan Chase & Co169,162$11.2M0.00%−41,702−19.8%Reduced
Rhumbline Advisers166,559$11.1M0.01%−17,845−9.7%Reduced
Kovack Advisors, Inc.150,593$10.0M0.47%+14,454+10.6%Added
Maltese Capital Management LLC143,800$9.55M1.70%+34,400+31.4%Added
Voloridge Investment Management, LLC133,849$8.89M0.03%+43,522+48.2%Added
Brandywine Global Investment Management, LLC129,565$8.61M0.06%−4,800−3.6%Reduced
Eldred Rock Partners, LLC127,460$8.47M2.20%00.0%Unchanged
Barclays PLC127,370$8.46M0.00%+1,201+1.0%Added
UBS Group AG126,632$8.41M0.00%−11,967−8.6%Reduced
Nuveen, LLC120,743$8.02M0.00%−19,227−13.7%Reduced
CSM Advisors, LLC120,047$7.97M0.22%+5,991+5.3%Added
Bank of America Corp118,865$7.90M0.00%+5,253+4.6%Added
Principal Financial Group Inc117,275$7.79M0.00%−4,666−3.8%Reduced
Denali Advisors LLC111,317$7.40M0.82%+5,400+5.1%Added
Swiss National Bank110,300$7.33M0.00%+1,900+1.8%Added
UBS Asset Management Americas Inc99,363$6.60M0.00%+599+0.6%Added
Freestone Grove Partners LP90,717$6.03M0.04%−175,903−66.0%Reduced
CBOE Vest Financial, LLC88,527$5.88M0.07%+11,707+15.2%Added
SG Americas Securities, LLC87,567$5.82M0.01%+14,337+19.6%Added
New York State Teachers Retirement System84,937$5.64M0.01%−531−0.6%Reduced
Legal & General Group Plc83,065$5.52M0.00%−3,423−4.0%Reduced
Victory Capital Management Inc75,942$5.05M0.00%+4,343+6.1%Added
BW Gestao de Investimentos Ltda.70,000$4.65M0.16%+70,000New
ExodusPoint Capital Management, LP69,855$4.64M0.05%+69,855New
Retirement Systems of Alabama64,908$4.31M0.01%−473−0.7%Reduced
Elizabeth Park Capital Advisors, Ltd.61,587$4.09M3.37%+10,500+20.6%Added
Wells Fargo & Company61,542$4.09M0.00%+20,384+49.5%Added
Healthcare of Ontario Pension Plan Trust Fund60,798$4.04M0.01%+60,798New
GW&K Investment Management, LLC60,091$3.99M0.03%−2,816−4.5%Reduced
Cresta Advisors, Ltd.58,563$3.89M1.63%−1,738−2.9%Reduced
MetLife Investment Management56,004$3.72M0.02%−2,660−4.5%Reduced
Manufacturers Life Insurance Company, The55,002$3.65M0.00%−2,390−4.2%Reduced
California State Teachers Retirement System51,602$3.43M0.00%−47−0.1%Reduced
Ameriprise Financial Inc49,649$3.30M0.00%−1,402−2.7%Reduced
Mirae Asset Global Investments Co., Ltd.48,894$3.25M0.01%−1,539−3.1%Reduced
Mercer Global Advisors Inc48,748$3.24M0.00%+130.0%Added
New York State Common Retirement Fund47,253$3.14M0.00%−46,400−49.5%Reduced
Siena Capital Partners GP, LLC45,725$3.04M0.82%+45,725New
Commonwealth Equity Services, LLC45,517$3.02M0.00%+1,012+2.3%Added
Deutsche Bank AG44,359$2.95M0.00%+1,640+3.8%Added
Westover Capital Advisors, LLC43,434$2.89M0.53%−759−1.7%Reduced
Russell Investments Group, Ltd.41,428$2.75M0.00%−2,579−5.9%Reduced
Virginia Retirement Systems Et Al39,680$2.64M0.02%00.0%Unchanged
Citigroup Inc36,421$2.42M0.00%+2,842+8.5%Added
Point72 Asset Management, L.P.36,054$2.40M0.00%+36,054New
Y-Intercept (Hong Kong) Ltd34,016$2.26M0.05%+34,016New
Rafferty Asset Management, LLC31,620$2.10M0.01%−6,305−16.6%Reduced
Citadel Advisors LLC31,600$2.10M0.00%+12,209+63.0%Added
Nisa Investment Advisors, LLC31,108$2.07M0.01%−61−0.2%Reduced
Great West Life Assurance Co29,878$1.98M0.00%−7,609−20.3%Reduced
Intech Investment Management LLC28,305$1.88M0.02%00.0%Unchanged
Engineers Gate Manager LP27,085$1.80M0.02%+20,910+338.6%Added
Mirae Asset Global ETFs Holdings Ltd.25,350$1.68M0.00%+10.0%Added
Quantinno Capital Management LP25,309$1.68M0.00%+15,891+168.7%Added
Janus Henderson Group PLC24,086$1.60M0.00%00.0%Unchanged
Fieldview Capital Management, LLC23,545$1.56M0.27%+14,239+153.0%Added
BNP Paribas Arbitrage, SA23,285$1.55M0.00%+3,711+19.0%Added
Amalgamated Bank22,788$1.51M0.01%−956−4.0%Reduced
HSBC Holdings PLC22,500$1.50M0.00%+22,500New
Mutual of America Capital Management LLC22,508$1.50M0.02%−2,465−9.9%Reduced
Diversified Trust Co22,146$1.47M0.03%+848+4.0%Added
Envestnet Asset Management Inc22,144$1.47M0.00%−304−1.4%Reduced
State of Tennessee, Treasury Department20,768$1.45M0.00%−889−4.1%Reduced
Susquehanna Portfolio Strategies, LLC21,153$1.41M0.02%00.0%Unchanged
Quest Partners LLC20,851$1.39M0.08%+9,618+85.6%Added
Hancock Whitney Corp20,483$1.36M0.02%+199+1.0%Added
Horizon Investments, LLC20,458$1.36M0.02%−2,507−10.9%Reduced
Susquehanna International Group, LLP19,987$1.33M0.00%−2,344−10.5%Reduced
Universal- Beteiligungs- und Servicegesellschaft mbH19,882$1.32M0.00%+116+0.6%Added
Winton Group Ltd18,402$1.22M0.04%+196+1.1%Added
State of Wisconsin Investment Board18,295$1.22M0.00%+6,492+55.0%Added
Prudential Financial Inc18,038$1.20M0.00%−3,981−18.1%Reduced
Teachers Retirement System of the State of Kentucky17,632$1.17M0.01%00.0%Unchanged