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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, Q2 2026

Institutional positions in International Bancshares Corp as of Jun 30, 2026. 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
301
+12 vs. Q1 2026
Shares held
44.3M
+1.48M (+3.4%) vs. Q1 2026
Total value
$3.36B
+$481.3M (+16.7%) vs. Q1 2026
New holders
38
126 more added
Sold out
26
86 more reduced

5 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: 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 holdersQ2 2026: 301 institutions
Q1 2021: 179 institutionsQ2 2021: 184 institutionsQ3 2021: 189 institutionsQ4 2021: 182 institutionsQ1 2022: 200 institutionsQ2 2022: 178 institutionsQ3 2022: 175 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 heldQ2 2026: $3.36B
Q1 2021: $1.85BQ2 2021: $1.74BQ3 2021: $1.67BQ4 2021: $1.71BQ1 2022: $1.79BQ2 2022: $1.87BQ3 2022: $1.75BQ4 2022: $1.89BQ1 2023: $1.78BQ2 2023: $1.80BQ3 2023: $1.76BQ4 2023: $2.25BQ1 2024: $2.50BQ2 2024: $2.42BQ3 2024: $2.47BQ4 2024: $2.65BQ1 2025: $2.68BQ2 2025: $2.84BQ3 2025: $2.92BQ4 2025: $2.93BQ1 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$2.93B
Q3 2025254$2.92B
Q2 2025255$2.84B
Q1 2025251$2.68B
Q4 2024242$2.65B
Q3 2024235$2.47B
Q2 2024209$2.42B
Q1 2024198$2.50B
Q4 2023200$2.25B
Q3 2023185$1.76B
Q2 2023191$1.80B
Q1 2023187$1.78B
Q4 2022195$1.89B
Q3 2022175$1.75B
Q2 2022178$1.87B
Q1 2022200$1.79B
Q4 2021182$1.71B
Q3 2021189$1.67B
Q2 2021184$1.74B
Q1 2021179$1.85B

Institutions, Q2 2026

Shares, value and share of portfolio for each institution holding International Bancshares Corp; share changes are against Q1 2026.

Institutions holding IBOC in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock, Inc.7,048,194$535.3M0.01%+403,102+6.1%Added
Vanguard Portfolio Management LLC3,350,198$254.4M0.01%−51,411−1.5%Reduced
Dimensional Fund Advisors LP3,258,656$247.5M0.04%+71,836+2.3%Added
American Century Companies Inc3,128,416$237.6M0.11%−100,162−3.1%Reduced
State Street Corp2,810,776$213.5M0.01%+185,882+7.1%Added
Vanguard Capital Management LLC2,495,909$189.6M0.00%+21,395+0.9%Added
Geode Capital Management, LLC1,573,378$119.5M0.01%+82,481+5.5%Added
Boston Trust Walden Corp1,306,605$99.2M0.76%+218,944+20.1%Added
T. Rowe Price Investment Management, Inc.1,161,106$88.2M0.06%−1,376−0.1%Reduced
Goldman Sachs Group Inc1,035,745$78.7M0.01%+111,826+12.1%Added
Azora Capital LP885,768$67.3M2.83%−426,906−32.5%Reduced
Price T Rowe Associates Inc839,850$63.8M0.01%+295,036+54.2%Added
First Trust Advisors LP820,840$62.3M0.04%−316,732−27.8%Reduced
Northern Trust Corp750,864$57.0M0.01%+83,890+12.6%Added
Reinhart Partners, Inc.749,761$56.9M1.30%+4,065+0.5%Added
Tamar Securities, LLC721,211$54.8M5.12%−35,729−4.7%Reduced
Norges Bank700,374$53.2M0.01%+700,374New
Charles Schwab Investment Management Inc694,616$52.8M0.01%−9,417−1.3%Reduced
Millennium Management LLC650,775$49.4M0.03%−61,660−8.7%Reduced
AQR Capital Management LLC587,610$44.6M0.02%+91,744+18.5%Added
Bank of New York Mellon Corp436,744$33.2M0.01%−11,508−2.6%Reduced
Panagora Asset Management Inc423,256$32.1M0.10%+37,308+9.7%Added
ProShare Advisors LLC377,605$28.7M0.04%+10,486+2.9%Added
Vanguard Fiduciary Trust Co365,865$27.8M0.01%+9,869+2.8%Added
Polaris Capital Management, LLC321,100$24.4M2.30%−141,904−30.6%Reduced
Bank of America Corp311,061$23.6M0.00%+116,520+59.9%Added
Two Sigma Investments, LP306,839$23.3M0.02%+138,257+82.0%Added
Morgan Stanley305,785$23.2M0.00%+9,604+3.2%Added
Invesco Ltd.298,085$22.6M0.00%−87,563−22.7%Reduced
UBS Group AG237,074$18.0M0.00%+64,380+37.3%Added
Mackenzie Financial Corp233,830$17.8M0.02%+178,817+325.0%Added
Nuveen, LLC219,339$16.7M0.00%+93,474+74.3%Added
Walleye Capital LLC200,778$15.2M0.07%+200,778New
Alliancebernstein L.P.221,655$14.9M0.00%+1,688+0.8%Added
Cerity Partners LLC195,265$14.8M0.02%−1,595−0.8%Reduced
Rhumbline Advisers173,495$13.2M0.01%+5,248+3.1%Added
CSM Advisors, LLC165,542$12.6M0.27%+33,797+25.7%Added
Kovack Advisors, Inc.138,943$10.7M0.51%−1,250−0.9%Reduced
Franklin Resources Inc140,127$10.6M0.00%+7,451+5.6%Added
Bridgewater Associates, LP128,587$9.77M0.04%−3,049−2.3%Reduced
Eldred Rock Partners, LLC127,460$9.68M2.08%00.0%Unchanged
Maltese Capital Management LLC127,113$9.65M1.76%−4,626−3.5%Reduced
Principal Financial Group Inc123,689$9.39M0.00%+1,921+1.6%Added
JPMorgan Chase & Co118,422$9.19M0.00%−8,638−6.8%Reduced
Swiss National Bank109,200$8.29M0.00%−1,500−1.4%Reduced
Denali Advisors LLC108,480$8.24M0.83%−8,737−7.5%Reduced
UBS Asset Management Americas Inc98,945$7.51M0.00%−8,734−8.1%Reduced
D. E. Shaw & Co., Inc.91,727$6.97M0.00%+59,727+186.6%Added
Citadel Advisors LLC81,735$6.21M0.00%−53,710−39.7%Reduced
Victory Capital Management Inc79,191$6.01M0.00%+1,807+2.3%Added
Arrowstreet Capital, Limited Partnership71,372$5.42M0.00%+63,214+774.9%Added
Legal & General Group Plc69,876$5.31M0.00%−1,610−2.3%Reduced
New York State Teachers Retirement System64,538$4.90M0.01%+521+0.8%Added
Schonfeld Strategic Advisors LLC63,529$4.83M0.03%+56,845+850.5%Added
Elizabeth Park Capital Advisors, Ltd.62,487$4.75M3.28%00.0%Unchanged
California State Teachers Retirement System61,753$4.69M0.00%+2,145+3.6%Added
Citigroup Inc61,497$4.67M0.00%+14,760+31.6%Added
Vanguard Asset Management, Ltd57,862$4.39M0.00%+2,512+4.5%Added
Deutsche Bank AG57,497$4.37M0.00%+7,704+15.5%Added
MetLife Investment Management57,471$4.36M0.02%+1,941+3.5%Added
GW&K Investment Management, LLC57,174$4.34M0.03%−693−1.2%Reduced
Cresta Advisors, Ltd.56,886$4.32M1.55%−1,677−2.9%Reduced
Retirement Systems of Alabama55,953$4.25M0.01%−10,349−15.6%Reduced
Russell Investments Group, Ltd.53,447$4.06M0.00%+12,449+30.4%Added
Wells Fargo & Company52,394$3.98M0.00%+31,329+148.7%Added
Manufacturers Life Insurance Company, The51,636$3.92M0.00%−90−0.2%Reduced
CBOE Vest Financial, LLC50,549$3.84M0.04%−24,566−32.7%Reduced
Jump Financial, LLC50,335$3.82M0.03%+40,812+428.6%Added
Mercer Global Advisors Inc49,863$3.79M0.00%+825+1.7%Added
New York State Common Retirement Fund48,553$3.69M0.00%+1,300+2.8%Added
SG Americas Securities, LLC47,691$3.62M0.00%−54,657−53.4%Reduced
Voloridge Investment Management, LLC46,906$3.56M0.02%−61,444−56.7%Reduced
Commonwealth Equity Services, LLC46,293$3.52M0.00%−1,508−3.2%Reduced
Siena Capital Partners GP, LLC45,725$3.47M0.84%00.0%Unchanged
Squarepoint Ops LLC44,966$3.42M0.01%−48,405−51.8%Reduced
Ameriprise Financial Inc44,750$3.40M0.00%−1,410−3.1%Reduced
Engineers Gate Manager LP44,118$3.35M0.04%+25,142+132.5%Added
Point72 Asset Management, L.P.43,865$3.33M0.01%−46,321−51.4%Reduced
Virginia Retirement Systems Et Al43,280$3.29M0.02%+3,600+9.1%Added
Y-Intercept (Hong Kong) Ltd42,206$3.21M0.06%−4,020−8.7%Reduced
Westover Capital Advisors, LLC41,517$3.15M0.52%−1,207−2.8%Reduced
Harbor Capital Advisors, Inc.37,484$2.85M0.19%+724+2.0%Added
Susquehanna Fundamental Investments, LLC36,105$2.74M0.05%+36,105New
Horizon Investments, LLC34,057$2.59M0.03%+22,250+188.4%Added
Holocene Advisors, LP33,394$2.54M0.01%+18,806+128.9%Added
Capital Fund Management S.A.33,251$2.53M0.02%+33,251New
Nisa Investment Advisors, LLC31,886$2.42M0.01%+778+2.5%Added
HSBC Holdings PLC31,760$2.42M0.00%+31,760New
Tudor Investment Corp Et Al31,104$2.36M0.01%+4,832+18.4%Added
Great West Life Assurance Co31,083$2.36M0.00%+85+0.3%Added
Allianz Asset Management GmbH28,559$2.17M0.00%+28,559New
Rafferty Asset Management, LLC28,293$2.15M0.00%−4,656−14.1%Reduced
Envestnet Asset Management Inc28,263$2.15M0.00%+5,424+23.7%Added
Campbell & CO Investment Adviser LLC28,049$2.13M0.11%+24,538+698.9%Added
Diversified Trust Co27,202$2.07M0.03%+2,326+9.4%Added
Quantinno Capital Management LP26,722$2.03M0.00%+1,089+4.2%Added
Lazard Asset Management LLC26,684$2.03M0.00%+812+3.1%Added
BNP Paribas Arbitrage, SA26,490$2.01M0.00%−7,637−22.4%Reduced
Creative Planning26,401$2.01M0.00%+10,883+70.1%Added
Universal- Beteiligungs- und Servicegesellschaft mbH26,363$2.00M0.00%+4,567+21.0%Added