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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
O'Shaughnessy Asset Management, LLC17,568$1.17M0.01%+684+4.1%Added
Bridgeway Capital Management, LLC17,500$1.16M0.02%−1,400−7.4%Reduced
Qube Research & Technologies Ltd17,333$1.15M0.00%−47,446−73.2%Reduced
Yousif Capital Management, LLC16,700$1.15M0.01%−258−1.5%Reduced
Harbor Capital Advisors, Inc.16,803$1.12M0.09%+15+0.1%Added
Jane Street Group, LLC16,002$1.06M0.00%−84,357−84.1%Reduced
Arizona State Retirement System15,627$1.04M0.01%−870−5.3%Reduced
Teacher Retirement System of Texas15,408$1.02M0.00%−3,969−20.5%Reduced
State Board of Administration of Florida Retirement System15,252$1.01M0.00%00.0%Unchanged
Police & Firemen's Retirement System of New Jersey15,019$997.9K0.01%−327−2.1%Reduced
Louisiana State Employees Retirement System15,000$996.6K0.02%−100−0.7%Reduced
Susquehanna Fundamental Investments, LLC14,623$971.6K0.03%−876−5.7%Reduced
Exencial Wealth Advisors, LLC14,488$962.6K0.03%−10,653−42.4%Reduced
Ameritas Investment Partners, Inc.14,341$952.8K0.03%−354−2.4%Reduced
Commonwealth of Pennsylvania Public School Empls Retrmt Sys13,534$899.2K0.00%−344−2.5%Reduced
Handelsbanken Fonder AB13,502$897.0K0.00%+400+3.1%Added
Comerica Bank13,124$872.0K0.00%−869−6.2%Reduced
State of Michigan Retirement System12,812$851.2K0.00%−100−0.8%Reduced
Creative Planning12,373$822.1K0.00%−2,081−14.4%Reduced
Thrivent Financial for Lutherans12,278$816.0K0.00%−246−2.0%Reduced
Trexquant Investment LP12,173$808.8K0.01%+12,173New
Northwestern Mutual Investment Management Company, LLC12,101$804.0K0.01%+48+0.4%Added
KLP Kapitalforvaltning AS12,000$797.3K0.00%+300+2.6%Added
Zurcher Kantonalbank (Zurich Cantonalbank)11,833$786.2K0.00%+1,094+10.2%Added
New Mexico Educational Retirement Board10,800$718.0K0.02%00.0%Unchanged
Oregon Public Employees Retirement Fund10,802$717.7K0.01%−100−0.9%Reduced
U.S. Capital Wealth Advisors, LLC10,554$701.2K0.02%00.0%Unchanged
Pathstone Holdings, LLC10,257$681.5K0.00%−2,011−16.4%Reduced
Los Angeles Capital Management LLC10,089$667.5K0.00%−200−1.9%Reduced
Voya Investment Management LLC9,834$653.4K0.00%−30−0.3%Reduced
Callahan Advisors, LLC9,257$615.0K0.05%+2,272+32.5%Added
Mackenzie Financial Corp8,754$584.6K0.00%+4,565+109.0%Added
ISAM Funds (UK) Ltd8,786$583.7K0.21%+2,454+38.8%Added
Bank of Montreal8,342$554.2K0.00%−75−0.9%Reduced
Royal Bank of Canada8,343$554.0K0.00%+521+6.7%Added
State of Alaska, Department of Revenue8,126$539.0K0.01%−349−4.1%Reduced
Pictet Asset Management Holding SA7,785$517.2K0.00%+754+10.7%Added
FMR LLC7,541$501.1K0.00%+2,739+57.0%Added
Icon Wealth Advisors, LLC7,488$497.5K0.03%00.0%Unchanged
Janney Montgomery Scott LLC7,433$494.0K0.00%−399−5.1%Reduced
Stifel Financial Corp7,168$476.2K0.00%−198−2.7%Reduced
Arrowstreet Capital, Limited Partnership7,159$475.6K0.00%−28,229−79.8%Reduced
CWM Advisors, LLC7,018$466.3K0.04%+412+6.2%Added
Capital Advisors Inc6,992$464.5K0.01%00.0%Unchanged
Neuberger Berman Group LLC6,945$461.4K0.00%+738+11.9%Added
CI Private Wealth, LLC6,711$445.9K0.00%−5−0.1%Reduced
Squarepoint Ops LLC6,689$444.4K0.00%+6,689New
Xponance, Inc.6,624$440.1K0.00%−1,067−13.9%Reduced
Alps Advisors Inc6,526$433.6K0.00%+72+1.1%Added
Two Sigma Investments, LP6,492$431.3K0.00%−62,166−90.5%Reduced
Pacer Advisors, Inc.6,470$429.9K0.00%−650−9.1%Reduced
STRS Ohio6,200$411.9K0.00%00.0%Unchanged
Campbell & CO Investment Adviser LLC5,960$396.0K0.02%−72−1.2%Reduced
Franklin Resources Inc5,931$394.1K0.00%−159−2.6%Reduced
Sequoia Financial Advisors, LLC5,701$378.8K0.00%+1,884+49.4%Added
MMBG Investment Advisors Co.5,667$376.5K0.03%00.0%Unchanged
SEI Investments Co5,338$354.7K0.00%+180+3.5%Added
Man Group plc5,164$343.1K0.00%+5,164New
Oppenheimer Asset Management Inc.5,048$335.4K0.00%−288−5.4%Reduced
Canada Pension Plan Investment Board5,000$332.2K0.00%+5,000New
Mirabella Financial Services LLP4,838$321.4K0.03%+4,838New
Dorsey Wright & Associates4,809$320.0K0.07%−140−2.8%Reduced
Federated Hermes, Inc.4,815$319.9K0.00%−722−13.0%Reduced
JustInvest LLC4,534$301.2K0.00%+90+2.0%Added
Armistice Capital, LLC4,384$291.3K0.01%+4,384New
Balyasny Asset Management LLC4,370$290.3K0.00%−1,223−21.9%Reduced
Wiley Bros.-Aintree Capital, LLC4,344$288.6K0.00%+3+0.1%Added
Abel Hall, LLC4,146$275.5K0.06%+4,146New
Entropy Technologies, LP4,078$270.9K0.01%+4,078New
Linscomb & Williams, Inc.4,077$270.9K0.01%00.0%Unchanged
Securian Asset Management, Inc3,935$261.4K0.01%−100−2.5%Reduced
Profund Advisors LLC3,846$255.5K0.01%+98+2.6%Added
Ensign Peak Advisors, Inc3,818$253.7K0.00%−8,000−67.7%Reduced
Capstone Investment Advisors, LLC3,788$251.7K0.00%+3,788New
Prime Capital Investment Advisors, LLC3,784$251.4K0.00%−2−0.1%Reduced
Cetera Investment Advisers3,641$241.9K0.00%+184+5.3%Added
Occudo Quantitative Strategies LP3,638$241.7K0.02%+3,638New
CIBC World Markets Corp3,610$239.8K0.00%+3,610New
Cambridge Investment Research Advisors, Inc.3,504$233.0K0.00%00.0%Unchanged
Chesley Taft & Associates LLC3,500$232.5K0.01%+3,500New
Tower Research Capital LLC (TRC)3,439$228.5K0.01%−357−9.4%Reduced
Schonfeld Strategic Advisors LLC3,248$215.8K0.00%+3,248New
TCTC Holdings, LLC3,242$215.4K0.01%00.0%Unchanged
Crossmark Global Holdings, Inc.3,240$215.3K0.00%+9+0.3%Added
Bailard, Inc.3,200$212.6K0.00%−8,200−71.9%Reduced
Skopos Labs, Inc.3,130$211.3K0.01%+3,130New
Unique Wealth, LLC3,120$207.3K0.03%00.0%Unchanged
Vident Advisory, LLC3,099$205.9K0.00%−1,383−30.9%Reduced
Fiduciary Trust Co3,020$200.6K0.00%−10−0.3%Reduced
Sterling Capital Management LLC2,856$189.8K0.00%−536−15.8%Reduced
Bessemer Group Inc2,567$170.0K0.00%+58+2.3%Added
Parallel Advisors, LLC2,107$140.0K0.00%−46−2.1%Reduced
KBC Group NV1,620$108.0K0.00%00.0%Unchanged
CWM, LLC1,563$104.0K0.00%−570−26.7%Reduced
Caitong International Asset Management Co., Ltd1,516$100.7K0.02%+1,516New
Exchange Traded Concepts, LLC1,442$95.8K0.00%+1,442New
The PNC Financial Services Group, Inc.1,401$93.1K0.00%−121−8.0%Reduced
LRI Investments, LLC1,039$69.0K0.01%−58−5.3%Reduced
EverSource Wealth Advisors, LLC1,020$67.8K0.00%−1,321−56.4%Reduced
Central Trust Co1,000$66.4K0.00%00.0%Unchanged