Security key
459044103
INTERNATIONAL BANCSHARES CORP - Common Stock (IBOC)
CUSIP: 459044103
Q1 2026 13F Holders as of 31 Mar 2026
- Type / Class
- Equity / Common Stock
- Shares outstanding
- 62,222,033
- Total 13F shares
- 42,829,235
- Share change
- -554,150
- Total reported value
- $2,881,998,629
- Price per share
- $67.29
- Number of holders
- 288
- Value change
- -$36,306,152
- Number of buys
- 157
- Number of sells
- 96
Report period
Q1 2026
Institutions
288
Top holders
10
IBOC full security history
Previous quarter: Q4 2025
INTERNATIONAL BANCSHARES CORP SEC filings
INTERNATIONAL BANCSHARES CORP company facts
Broader feeds
Reporting periods
Holder history for CUSIP 459044103
Recent filing periods:
Ownership snapshot
Top shareholders of IBOC - INTERNATIONAL BANCSHARES CORP - Common Stock (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with the largest verified stakes, then open the linked filing trail.
Lead holder
VANGUARD PORTFOLIO MANAGEMENT LLC
13D/G signal
VANGUARD PORTFOLIO MANAGEMENT LLC
Evidence rows
50
Latest as of
31 Mar 2026
13D/G
13F
3/4/5
Lead comparable stake: 5.5%
13D/G row: VANGUARD PORTFOLIO MANAGEMENT LLC
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| VANGUARD PORTFOLIO MANAGEMENT LLC |
13D/G
Vanguard Portfolio Management
|
5.5%
|
$230,699,324
3,428,434 shares
|
$0 | 31 Mar 2026 |
| DIMENSIONAL FUND ADVISORS LP |
13D/G
13F
Company
|
5.2%
|
$220,429,343
3,206,231 shares
|
$0 | 30 Sep 2025 |
| AMERICAN CENTURY INVESTMENT MANAGEMENT INC |
13D/G
|
5.2%
|
$218,738,918
3,198,405 shares
|
$0 | 31 Dec 2025 |
| Antonio R. Sanchez Jr. |
3/4/5
Director, 10%+ Owner
|
5.6%
|
$233,274,485
3,494,238 shares
|
-$8,311,200 | 14 Aug 2025 |
| BlackRock, Inc. |
13F
Company
|
11%
|
$445,807,565
6,709,927 shares
|
— | 31 Dec 2025 |
| VANGUARD GROUP INC |
13F
Company
|
10%
|
$413,202,784
6,219,187 shares
|
— | 31 Dec 2025 |
| AMERICAN CENTURY COMPANIES INC |
13F
Company
|
5.1%
|
$212,502,028
3,198,405 shares
|
— | 31 Dec 2025 |
| STATE STREET CORP |
13F
Company
|
4%
|
$163,642,451
2,463,011 shares
|
— | 31 Dec 2025 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
Company
|
3.7%
|
$151,342,281
2,277,879 shares
|
— | 31 Dec 2025 |
| Azora Capital LP |
13F
Company
|
2.4%
|
$101,277,482
1,524,345 shares
|
— | 31 Dec 2025 |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
Company
|
2.3%
|
$95,385,162
1,435,471 shares
|
— | 31 Dec 2025 |
| FIRST TRUST ADVISORS LP |
13F
Company
|
2.2%
|
$90,633,993
1,364,148 shares
|
— | 31 Dec 2025 |
| Boston Trust Walden Corp |
13F
Company
|
1.9%
|
$79,184,259
1,191,816 shares
|
— | 31 Dec 2025 |
| T. Rowe Price Investment Management, Inc. |
13F
Company
|
1.8%
|
$72,523,000
1,091,549 shares
|
— | 31 Dec 2025 |
| REINHART PARTNERS, LLC. |
13F
Company
|
1.2%
|
$49,122,844
739,340 shares
|
— | 31 Dec 2025 |
| Tamar Securities, LLC |
13F
Company
|
1.2%
|
$49,056,421
738,357 shares
|
— | 31 Dec 2025 |
| NORGES BANK |
13F
Company
|
1.1%
|
$45,597,772
686,300 shares
|
— | 31 Dec 2025 |
| NORTHERN TRUST CORP |
13F
Company
|
1%
|
$42,950,138
646,450 shares
|
— | 31 Dec 2025 |
| GOLDMAN SACHS GROUP INC |
13F
Company
|
0.95%
|
$39,218,917
590,291 shares
|
— | 31 Dec 2025 |
| MILLENNIUM MANAGEMENT LLC |
13F
Company
|
0.89%
|
$36,781,981
553,612 shares
|
— | 31 Dec 2025 |
| ProShare Advisors LLC |
13F
Company
|
0.81%
|
$33,404,038
502,770 shares
|
— | 31 Dec 2025 |
| AQR CAPITAL MANAGEMENT LLC |
13F
Company
|
0.81%
|
$33,324,062
501,566 shares
|
— | 31 Dec 2025 |
| Polaris Capital Management, LLC |
13F
Company
|
0.77%
|
$31,712,078
477,304 shares
|
— | 31 Dec 2025 |
| Bank of New York Mellon Corp |
13F
Company
|
0.73%
|
$30,024,524
451,904 shares
|
— | 31 Dec 2025 |
| PANAGORA ASSET MANAGEMENT INC |
13F
Company
|
0.62%
|
$25,782,241
388,053 shares
|
— | 31 Dec 2025 |
| MORGAN STANLEY |
13F
Company
|
0.48%
|
$19,974,746
300,642 shares
|
— | 31 Dec 2025 |
| ALLIANCEBERNSTEIN L.P. |
13F
Company
|
0.44%
|
$18,205,756
274,018 shares
|
— | 31 Dec 2025 |
| PRICE T ROWE ASSOCIATES INC /MD/ |
13F
Company
|
0.43%
|
$17,850,000
268,654 shares
|
— | 31 Dec 2025 |
| Invesco Ltd. |
13F
Company
|
0.43%
|
$17,773,829
267,517 shares
|
— | 31 Dec 2025 |
| SOL Capital Management CO |
13F
Company
|
0.32%
|
$13,306,000
200,265 shares
|
— | 31 Dec 2025 |
| JPMORGAN CHASE & CO |
13F
Company
|
0.27%
|
$11,239,123
169,162 shares
|
— | 31 Dec 2025 |
| RHUMBLINE ADVISERS |
13F
Company
|
0.27%
|
$11,066,155
166,559 shares
|
— | 31 Dec 2025 |
| Kovack Advisors, Inc. |
13F
Company
|
0.24%
|
$10,005,399
150,593 shares
|
— | 31 Dec 2025 |
| MALTESE CAPITAL MANAGEMENT LLC |
13F
Company
|
0.23%
|
$9,554,073
143,800 shares
|
— | 31 Dec 2025 |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC |
13F
Company
|
0.22%
|
$8,892,928
133,849 shares
|
— | 31 Dec 2025 |
| Brandywine Global Investment Management, LLC |
13F
Company
|
0.21%
|
$8,608,299
129,565 shares
|
— | 31 Dec 2025 |
| Eldred Rock Partners, LLC |
13F
Company
|
0.2%
|
$8,468,442
127,460 shares
|
— | 31 Dec 2025 |
| BARCLAYS PLC |
13F
Company
|
0.2%
|
$8,462,462
127,370 shares
|
— | 31 Dec 2025 |
| UBS Group AG |
13F
Company
|
0.2%
|
$8,413,430
126,632 shares
|
— | 31 Dec 2025 |
| Nuveen, LLC |
13F
Company
|
0.19%
|
$8,022,165
120,743 shares
|
— | 31 Dec 2025 |
| CSM Advisors, LLC |
13F
Company
|
0.19%
|
$7,975,000
120,047 shares
|
— | 31 Dec 2025 |
| BANK OF AMERICA CORP /DE/ |
13F
Company
|
0.19%
|
$7,897,392
118,865 shares
|
— | 31 Dec 2025 |
| PRINCIPAL FINANCIAL GROUP INC |
13F
Company
|
0.19%
|
$7,791,752
117,275 shares
|
— | 31 Dec 2025 |
| DENALI ADVISORS LLC |
13F
Company
|
0.18%
|
$7,395,901
111,317 shares
|
— | 31 Dec 2025 |
| Swiss National Bank |
13F
Company
|
0.18%
|
$7,328,332
110,300 shares
|
— | 31 Dec 2025 |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC |
13F
Company
|
0.16%
|
$6,601,679
99,363 shares
|
— | 31 Dec 2025 |
| Freestone Grove Partners LP |
13F
Company
|
0.15%
|
$6,027,237
90,717 shares
|
— | 31 Dec 2025 |
| Vest Financial, LLC |
13F
Company
|
0.14%
|
$5,881,734
88,527 shares
|
— | 31 Dec 2025 |
| SG Americas Securities, LLC |
13F
Company
|
0.14%
|
$5,818,000
87,567 shares
|
— | 31 Dec 2025 |
| York State Teachers Retirement System New |
13F
Individual
|
0.14%
|
$5,643,000
84,937 shares
|
— | 31 Dec 2025 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q1 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
288
Shares
42,829,235
Rows loaded
288
| Investor | Option | Weight % | Change % | Value $ | * Price | Shares | Share Change | Activity | Report Period |
|---|
Compare Q1 2026 vs Q4 2025 Across Filers
Q4 2025 holders
266
Q1 2026 holders
288
Holder diff
22
| Investor | Q4 2025 Shares | Q1 2026 Shares | Share Diff | Share Chg % | Q4 2025 Value $ | Q1 2026 Value $ | Value Diff $ | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.
An asterisk sign (*) next to the price indicates that the price is likely invalid.