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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, Q3 2025

Institutional positions in International Bancshares Corp as of Sep 30, 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
254
+2 vs. Q2 2025
Shares held
42.3M
+257.3K (+0.6%) vs. Q2 2025
Total value
$2.90B
+$109.7M (+3.9%) vs. Q2 2025
New holders
27
87 more added
Sold out
25
81 more reduced

3 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2025: 254 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 heldQ3 2025: $2.90B
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, Q3 2025

Shares, value and share of portfolio for each institution holding International Bancshares Corp; share changes are against Q2 2025.

Institutions holding IBOC in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock, Inc.6,715,540$461.7M0.01%−41,626−0.6%Reduced
Vanguard Group Inc6,302,986$433.3M0.01%−39,181−0.6%Reduced
Dimensional Fund Advisors LP3,206,231$220.4M0.05%−95,820−2.9%Reduced
American Century Companies Inc3,090,223$212.5M0.11%+204,536+7.1%Added
State Street Corp2,476,421$170.3M0.01%−88,852−3.5%Reduced
Charles Schwab Investment Management Inc2,231,899$153.4M0.02%+39,601+1.8%Added
Geode Capital Management, LLC1,425,975$98.0M0.01%+11,746+0.8%Added
First Trust Advisors LP1,270,538$87.3M0.07%+18,591+1.5%Added
Boston Trust Walden Corp1,249,399$85.9M0.63%−155,669−11.1%Reduced
Azora Capital LP1,128,361$77.6M3.59%+38,195+3.5%Added
T. Rowe Price Investment Management, Inc.1,021,356$70.2M0.04%+439,601+75.6%Added
Tamar Securities, LLC732,836$50.4M5.74%+10,199+1.4%Added
Northern Trust Corp693,263$47.7M0.01%−1,222−0.2%Reduced
Reinhart Partners, Inc.667,315$45.9M1.49%−121,103−15.4%Reduced
AQR Capital Management LLC614,918$42.3M0.03%−44,463−6.7%Reduced
Millennium Management LLC603,574$41.5M0.03%+218,039+56.6%Added
Polaris Capital Management, LLC546,004$37.5M2.47%−27,600−4.8%Reduced
Goldman Sachs Group Inc541,592$37.2M0.01%−73,934−12.0%Reduced
ProShare Advisors LLC516,287$35.5M0.07%−29,948−5.5%Reduced
Bank of New York Mellon Corp478,617$32.9M0.01%−5,252−1.1%Reduced
Panagora Asset Management Inc371,239$25.5M0.10%+2,702+0.7%Added
Freestone Grove Partners LP266,620$18.3M0.14%+266,620New
Invesco Ltd.261,366$18.0M0.00%−13,080−4.8%Reduced
Morgan Stanley249,954$17.2M0.00%−34,647−12.2%Reduced
Alliancebernstein L.P.224,519$15.4M0.00%+39,812+21.6%Added
JPMorgan Chase & Co210,864$14.5M0.00%+69,466+49.1%Added
SOL Capital Management CO200,565$13.8M1.24%−5,310−2.6%Reduced
Rhumbline Advisers184,404$12.7M0.01%−25,607−12.2%Reduced
Algert Global LLC154,216$10.6M0.18%−4,141−2.6%Reduced
Nuveen, LLC139,970$9.62M0.00%−3,352−2.3%Reduced
UBS Group AG138,599$9.53M0.00%+44,899+47.9%Added
Kovack Advisors, Inc.136,139$9.36M0.88%00.0%Unchanged
Brandywine Global Investment Management, LLC134,365$9.24M0.06%−4,934−3.5%Reduced
Eldred Rock Partners, LLC127,460$8.76M2.19%−2,255−1.7%Reduced
Barclays PLC126,169$8.67M0.00%−3,797−2.9%Reduced
Principal Financial Group Inc121,941$8.38M0.00%−752−0.6%Reduced
CSM Advisors, LLC114,056$7.84M0.22%−24,124−17.5%Reduced
Bank of America Corp113,612$7.81M0.00%−986−0.9%Reduced
Maltese Capital Management LLC109,400$7.52M1.14%+9,400+9.4%Added
Swiss National Bank108,400$7.45M0.00%+1,500+1.4%Added
Denali Advisors LLC105,917$7.28M0.82%+3,545+3.5%Added
Jane Street Group, LLC100,359$6.90M0.01%+30,571+43.8%Added
UBS Asset Management Americas Inc98,764$6.79M0.00%−78,018−44.1%Reduced
New York State Common Retirement Fund93,653$6.44M0.01%00.0%Unchanged
Voloridge Investment Management, LLC90,327$6.21M0.02%−10,183−10.1%Reduced
Legal & General Group Plc86,488$5.95M0.00%−2,876−3.2%Reduced
New York State Teachers Retirement System85,468$5.88M0.01%−5,675−6.2%Reduced
CBOE Vest Financial, LLC76,820$5.28M0.07%+12,515+19.5%Added
SG Americas Securities, LLC73,230$5.04M0.02%−8,614−10.5%Reduced
Victory Capital Management Inc71,599$4.92M0.00%+413+0.6%Added
Two Sigma Investments, LP68,658$4.72M0.01%+52,858+334.5%Added
Retirement Systems of Alabama65,381$4.49M0.01%+61+0.1%Added
Qube Research & Technologies Ltd64,779$4.45M0.01%−18,700−22.4%Reduced
GW&K Investment Management, LLC62,907$4.33M0.04%−2,411−3.7%Reduced
Cresta Advisors, Ltd.60,301$4.15M1.85%−1,200−2.0%Reduced
MetLife Investment Management58,664$4.03M0.02%−1,760−2.9%Reduced
Manufacturers Life Insurance Company, The57,392$3.95M0.00%−2,543−4.2%Reduced
California State Teachers Retirement System51,649$3.55M0.00%+20.0%Added
Elizabeth Park Capital Advisors, Ltd.51,087$3.51M2.84%+51,087New
Ameriprise Financial Inc51,051$3.51M0.00%−1,950−3.7%Reduced
Mirae Asset Global Investments Co., Ltd.50,433$3.47M0.01%+1,803+3.7%Added
Price T Rowe Associates Inc49,076$3.37M0.00%+2,672+5.8%Added
Mercer Global Advisors Inc48,735$3.35M0.01%+974+2.0%Added
Commonwealth Equity Services, LLC44,505$3.06M0.00%+139+0.3%Added
Westover Capital Advisors, LLC44,193$3.04M0.56%−1,905−4.1%Reduced
Russell Investments Group, Ltd.44,007$3.03M0.00%+2,729+6.6%Added
Deutsche Bank AG42,719$2.94M0.00%+4,348+11.3%Added
Wells Fargo & Company41,158$2.83M0.00%+6,298+18.1%Added
Virginia Retirement Systems Et Al39,680$2.73M0.02%00.0%Unchanged
Rafferty Asset Management, LLC37,925$2.61M0.01%−5,362−12.4%Reduced
Great West Life Assurance Co37,487$2.58M0.00%+842+2.3%Added
Arrowstreet Capital, Limited Partnership35,388$2.43M0.00%−62,837−64.0%Reduced
Citigroup Inc33,579$2.31M0.00%−47,703−58.7%Reduced
Nisa Investment Advisors, LLC31,169$2.14M0.01%00.0%Unchanged
Intech Investment Management LLC28,305$1.95M0.02%−1,877−6.2%Reduced
Mirae Asset Global ETFs Holdings Ltd.25,349$1.74M0.00%−4,557−15.2%Reduced
Exencial Wealth Advisors, LLC25,141$1.73M0.06%+25,141New
Mutual of America Capital Management LLC24,973$1.72M0.02%−1,604−6.0%Reduced
Janus Henderson Group PLC24,086$1.66M0.00%+1,804+8.1%Added
Amalgamated Bank23,744$1.63M0.01%+202+0.9%Added
Horizon Investments, LLC22,965$1.58M0.02%−3,989−14.8%Reduced
Envestnet Asset Management Inc22,448$1.54M0.00%−4,435−16.5%Reduced
Susquehanna International Group, LLP22,331$1.54M0.00%−67,701−75.2%Reduced
Prudential Financial Inc22,019$1.51M0.00%−20−0.1%Reduced
State of Tennessee, Treasury Department21,657$1.49M0.00%00.0%Unchanged
Diversified Trust Co21,298$1.46M0.03%+1,146+5.7%Added
Susquehanna Portfolio Strategies, LLC21,153$1.45M0.02%00.0%Unchanged
Hancock Whitney Corp20,284$1.39M0.03%+38+0.2%Added
HRT Financial LP20,004$1.38M0.01%+20,004New
Universal- Beteiligungs- und Servicegesellschaft mbH19,766$1.36M0.00%+1,804+10.0%Added
BNP Paribas Arbitrage, SA19,574$1.35M0.00%+6,559+50.4%Added
Citadel Advisors LLC19,391$1.33M0.00%+19,391New
Teacher Retirement System of Texas19,377$1.33M0.01%−702−3.5%Reduced
Bridgeway Capital Management, LLC18,900$1.30M0.03%00.0%Unchanged
Winton Group Ltd18,206$1.25M0.05%−420−2.3%Reduced
Teachers Retirement System of the State of Kentucky17,632$1.21M0.01%−25,356−59.0%Reduced
Yousif Capital Management, LLC16,958$1.17M0.01%−970−5.4%Reduced
O'Shaughnessy Asset Management, LLC16,884$1.16M0.01%+545+3.3%Added
Harbor Capital Advisors, Inc.16,788$1.15M0.09%−53,170−76.0%Reduced
Arizona State Retirement System16,497$1.13M0.01%+176+1.1%Added