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International Bancshares Ownership | Who Owns International Bancshares?

OverviewRevenueFinancialsChart

International Bancshares Ownership Summary

International Bancshares is owned by 50.61% institutional investors, 13.44% insiders, and 35.95% retail investors. Blackrock is the largest institutional shareholder, holding 10.88% of IBOC shares. Vanguard US Total Market Shares ETF is the top mutual fund, with 2.85% of its assets in International Bancshares shares.

IBOC Ownership Benchmark

TypeName% Inst% Insiders% Retail
StockInternational Bancshares50.61%13.44%35.95%
SectorFinancial Services Stocks 32.19%15.44%52.37%
IndustryRegional Banks Stocks31.54%12.70%55.76%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

HolderShares% HoldingValue
Blackrock6.76M10.88%$386.83M
Blackrock funding, inc. /de6.71M10.80%$445.81M
Vanguard group6.22M10.01%$413.20M
Dimensional fund advisors lp3.18M5.11%$211.11M
American century companies3.09M4.97%$212.45M
State street2.48M3.98%$170.25M
Charles schwab investment management2.23M3.59%$153.44M
Geode capital management1.44M2.31%$95.39M
First trust advisors lp1.27M2.04%$87.35M
Boston trust walden1.19M1.92%$79.18M

Top Institutional Shareholders by % of Total Assets

HolderShares% AssetsValue
Tamar securities732.84K5.73%$50.38M
Azora capital lp1.13M3.59%$77.57M
Elizabeth park capital advisors51.09K2.84%$3.51M
Polaris capital management477.30K2.63%$31.71M
Eldred rock partners127.46K2.20%$8.47M
Cresta advisors58.56K1.63%$3.89M
Reinhart partners739.34K1.47%$49.12M
Sol capital management200.26K1.20%$13.31M
Maltese capital management109.40K1.14%$7.52M
Denali advisors111.32K0.82%$7.40M

Top Buyers

HolderShares% AssetsChange
Norges bank686.30K0.00%686.30K
T. rowe price investment management1.02M0.04%439.60K
Millennium management346.19K0.01%328.73K
Freestone grove partners lp266.62K0.14%266.62K
American century companies3.09M0.11%204.54K

Top Sellers

HolderShares% AssetsChange
North reef capital management lp---397.74K
American group---96.70K
State street2.48M0.01%-88.85K
Corebridge financial---85.22K
Boothbay fund management---85.05K

New Positions

HolderShares% AssetsChangeValue
Norges bank686.30K0.00%686.30K$45.60M
Freestone grove partners lp266.62K0.14%266.62K$18.33M
Bw gestao de investimentos ltda.70.00K0.10%70.00K$4.65M
Elizabeth park capital advisors51.09K2.84%51.09K$3.51M
Siena capital partners gp45.73K0.82%45.73K$3.04M

Sold Out

HolderChange
Toronto dominion bank-1.00
Twin peaks wealth advisors-3.00
Claris advisors, llc / mo /-4.00
Tfo-tdc-4.00
Advisornet financial-4.00

Institutional Ownership Trends

DateHoldingsChange %SharesChange %OwnershipChange %Increased PositionChange %Decreased PositionChange %
Dec 31, 2025180-28.85%31,454,350-25.63%501.09%67-42.24%73-6.41%
Sep 30, 2025242-2.02%42,208,7863.26%671.57%113-10.32%75-3.85%
Jun 30, 20252511.21%42,645,5164.42%681.59%1307.44%78-10.34%
Mar 31, 20252461.65%41,758,980-0.54%671.47%122-6.87%8516.44%
Dec 31, 2024173-25.43%34,819,700-14.14%561.32%86-20.37%54-38.64%

Top Mutual Funds Shareholders

HolderShares% HoldingChange
Vanguard US Total Market Shares ETF1.77M2.85%1.22K
Vanguard Total Stock Mkt Idx Inv1.76M2.83%5.70K
iShares Core S&P Mid-Cap ETF1.74M2.80%47.26K
Schwab US Dividend Equity ETF™1.66M2.67%3.57K
Avantis US Small Cap Value ETF1.56M2.50%3.45K
iShares Russell 2000 ETF1.33M2.14%151.69K
Vanguard Small Cap Index1.27M2.04%77.00
First Trust SMID Cp Rising Div Achv ETF1.21M1.95%711.00
American Century U.S. Small Cap Value920.00K1.48%-40.00K
American Century Small Cap Value Inv920.00K1.48%-40.00K

Recent Insider Transactions

DateNameRoleActivityValue
Aug 15, 2025SANCHEZ ANTONIO R JR Sell$2.72M
Aug 14, 2025SANCHEZ ANTONIO R JR Sell$5.59M
Nov 13, 2024NIXON DENNIS E CEOSell$4.66M
Nov 12, 2024NIXON DENNIS E CEOSell$2.51M
May 22, 2024SANCHEZ ANTONIO R JR Sell$2.91M

Insider Transactions Trends

DateBuySell
2025 Q3-2
2025 Q2--
2024 Q4-2
2024 Q3--
2024 Q2-2

IBOC Ownership FAQ

Who Owns International Bancshares?

International Bancshares shareholders are primarily institutional investors at 50.61%, followed by 13.44% insiders and 35.95% retail investors. The average institutional ownership in International Bancshares's industry, Regional Banks Stocks, is 31.54%, which International Bancshares exceeds.

Who owns the most shares of International Bancshares?

International Bancshares’s largest shareholders are Blackrock (6.76M shares, 10.88%), Blackrock funding, inc. /de (6.71M shares, 10.80%), and Vanguard group (6.22M shares, 10.01%). Together, they hold 31.68% of International Bancshares’s total shares outstanding.

Does Blackrock own International Bancshares?

Yes, BlackRock owns 10.88% of International Bancshares, totaling 6.76M shares as of Jun 2024. This represents 0.01% of BlackRock's total assets, with a market value of 386.83M$. In the last quarter, BlackRock increased its holdings by 26.72K shares, a 0.40% change.

Who is International Bancshares’s biggest shareholder by percentage of total assets invested?

Tamar securities is International Bancshares’s biggest shareholder by percentage of total assets invested, with 5.73% of its assets in 732.84K International Bancshares shares, valued at 50.38M$.

Who is the top mutual fund holder of International Bancshares shares?

Vanguard US Total Market Shares ETF is the top mutual fund holder of International Bancshares shares, with 2.85% of its total shares outstanding invested in 1.77M International Bancshares shares.

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