Vault-13

INTERNATIONAL BANCSHARES COR IBOC

COM · Common Stock · CUSIP 459044103

American financial services company

192 institutional holders +4 vs Q1 2023
40,793,26940.8m shares reported held*
65.7% of all shares outstanding*
$1.8bnreported value*
17 new 65 added 84 reduced 12 sold out net sold ≈ $35.5m (-802.3k shares)

* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once. Holder counts are more reliable. Shares outstanding: 62.0m as of 2023-07-31, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $44.20. Options: 2 managers hold calls ($4.4k notional), 2 hold puts ($57.5k).

Trends to Q2 2023

Institutional holders

Managers reporting a position, each quarter

0100200Q3 22: 175Q4 22: 196Q1 23: 188Q2 23: 192192Q3 22Q4 22Q1 23Q2 23
Numbers
QuarterHolders
Q3 2022175
Q4 2022196
Q1 2023188
Q2 2023192

Buyers vs sellers

Managers adding to or starting a position, vs cutting or selling out

Bought or addedCut or sold out
2000200Q4 22: 88 bought or addedQ4 22: 93 cut or sold outQ4 22Q1 23: 103 bought or addedQ1 23: 89 cut or sold outQ1 23Q2 23: 82 bought or addedQ2 23: 96 cut or sold outQ2 23
Numbers
QuarterBought or addedCut or sold out
Q4 20228893
Q1 202310389
Q2 20238296

Calls vs puts

Options held, notional value, last 4 quarters. P/C = puts ÷ calls

CallsPuts
$0$200k$400k$600kQ3 22 calls: $523.0kQ3 22 puts: $0Q3 22P/C 0.00Q4 22 calls: $13.2kQ4 22 puts: $0Q4 22P/C 0.00Q1 23 calls: $21.4kQ1 23 puts: $47.1kQ1 23P/C 2.20Q2 23 calls: $4.4kQ2 23 puts: $57.5kQ2 23P/C 13.00
Numbers
QuarterCallsPutsP/C
Q3 2022$523.0k$00.00
Q4 2022$13.2k$00.00
Q1 2023$21.4k$47.1k2.20
Q2 2023$4.4k$57.5k13.00

Biggest buyers

North Reef Capital Management LP Added +320,599+320.6k
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP Added +276,035+276.0k
REINHART PARTNERS, LLC. Added +162,159+162.2k
FIRST TRUST ADVISORS LP Added +71,531+71.5k
Nuveen Asset Management, LLC Added +64,162+64.2k
Prime Capital Investment Advisors, LLC New +60,961+61.0k
GEODE CAPITAL MANAGEMENT, LLC Added +57,483+57.5k
MILLENNIUM MANAGEMENT LLC Added +44,392+44.4k
CHARLES SCHWAB INVESTMENT MANAGEMENT INC Added +43,802+43.8k
CITIGROUP INC Added +41,960+42.0k

Biggest sellers

Azora Capital LP Reduced -321,084-321.1k
WELLINGTON MANAGEMENT GROUP LLP Reduced -258,299-258.3k
FMR LLC Reduced -217,054-217.1k
ProShare Advisors LLC Reduced -189,410-189.4k
CITADEL ADVISORS LLC Reduced -178,826-178.8k
DIMENSIONAL FUND ADVISORS LP Reduced -141,431-141.4k
Brandywine Global Investment Management, LLC Reduced -128,378-128.4k
BlackRock Inc. Reduced -122,278-122.3k
DENALI ADVISORS LLC Reduced -84,700-84.7k
STATE STREET CORP Reduced -76,644-76.6k

Biggest calls

CITADEL ADVISORS LLC Reduced $4.4k100 shares
CONCOURSE FINANCIAL GROUP SECURITIES, INC. Unchanged $00 shares

Biggest puts

CITADEL ADVISORS LLC Added $57.5k1.3k shares
CONCOURSE FINANCIAL GROUP SECURITIES, INC. Unchanged $00 shares

Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.

Major shareholders (over 5%)

Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.

HolderStakeChangeShares Last filed
VANGUARD PORTFOLIO MANAGEMENT LLC 13G · institution new · filed 2026-04-29 5.5% new 3.4m≈ $260.4m 2026-04-29
AMERICAN CENTURY INVESTMENT MANAGEMENT INC 13G · institution new · filed 2026-02-13 5.2% new 3.2m≈ $242.9m 2026-02-13
DIMENSIONAL FUND ADVISORS LP 13G · institution filed 2025-10-09 5.2% 3.2m≈ $243.5m 2025-10-09

Fell to 5% or below in the last year: VANGUARD GROUP INC (0.0%, 2026-03-27; now reported by VANGUARD PORTFOLIO MANAGEMENT LLC)

Insider purchases and sales in Q2 2023

Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.

Officers and directors buying vs selling

Number of people, by quarter (10% owners not included)

BuyingSelling
101Q3 21: 0 buyingQ3 21: 0 sellingQ4 21: 0 buyingQ4 21: 0 sellingQ4 21Q1 22: 1 buyingQ1 22: 0 sellingQ2 22: 0 buyingQ2 22: 0 sellingQ2 22Q3 22: 1 buyingQ3 22: 0 sellingQ4 22: 0 buyingQ4 22: 1 sellingQ4 22Q1 23: 1 buyingQ1 23: 0 sellingQ2 23: 0 buyingQ2 23: 0 sellingQ2 23
Numbers
QuarterBuyingBoughtSellingSoldSold under a plan
Q3 20210—0——
Q4 20210—0——
Q1 20221$1.3k0——
Q2 20220—0——
Q3 20221$1.3k0——
Q4 20220—1$5.2m—
Q1 20231$1.4k0——
Q2 20230—0——

None reported in Q2 2023.

Holders, Q2 2023

#ManagerLocationShares Value% of their portfolioChangeShares change
1 BlackRock Inc. 0.01% of their portfolio New York, NY 6,431,9796.4m $284.3m $284.3m 0.01% Reduced -122.3k -122,278
2 VANGUARD GROUP INC 0.01% of their portfolio Valley Forge, PA 6,341,7826.3m $280.3m $280.3m 0.01% Added +8.1k +8,098
3 DIMENSIONAL FUND ADVISORS LP 0.06% of their portfolio AUSTIN, TX 4,025,1314.0m $177.9m $177.9m 0.06% Reduced -141.4k -141,431
4 WELLINGTON MANAGEMENT GROUP LLP 0.03% of their portfolio Boston, MA 3,254,4803.3m $143.8m $143.8m 0.03% Reduced -258.3k -258,299
5 STATE STREET CORP 0.01% of their portfolio BOSTON, MA 2,296,7892.3m $101.5m $101.5m 0.01% Reduced -76.6k -76,644
6 North Reef Capital Management LP 5.47% of their portfolio LAGUNA BEACH, CA 1,610,0621.6m $71.2m $71.2m 5.47% Added +320.6k +320,599
7 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.02% of their portfolio SAN FRANCISCO, CA 1,467,7031.5m $64.9m $64.9m 0.02% Added +43.8k +43,802
8 Polaris Capital Management, LLC 1.92% of their portfolio BOSTON, MA 1,154,4081.2m $51.0m $51.0m 1.92% Reduced -5.9k -5,898
9 GEODE CAPITAL MANAGEMENT, LLC 0.01% of their portfolio BOSTON, MA 1,131,9661.1m $50.0m $50.0m 0.01% Added +57.5k +57,483
10 NORTHERN TRUST CORP 0.01% of their portfolio CHICAGO, IL 825,468825.5k $36.5m $36.5m 0.01% Reduced -4.5k -4,458
11 Bank of New York Mellon Corp 0.01% of their portfolio NEW YORK, NY 665,631665.6k $29.4m $29.4m 0.01% Reduced -31.2k -31,154
12 NORGES BANK 0.01% of their portfolio OSLO, Q8 575,503575.5k $25.4m $25.4m 0.01% Added +17.6k +17,608
13 Tamar Securities, LLC 6.10% of their portfolio Woodland Hills, CA 561,320561.3k $24.8m $24.8m 6.10% Added +11.2k +11,211
14 Invesco Ltd. 0.01% of their portfolio ATLANTA, GA 545,723545.7k $24.1m $24.1m 0.01% Added +20.8k +20,844
15 GOLDMAN SACHS GROUP INC 0.01% of their portfolio NEW YORK, NY 542,542542.5k $24.0m $24.0m 0.01% Reduced -11.5k -11,518
16 Boston Trust Walden Corp 0.20% of their portfolio BOSTON, MA 539,075539.1k $23.8m $23.8m 0.20% Added +16.8k +16,792
17 REINHART PARTNERS, LLC. 1.19% of their portfolio MEQUON, WI 530,246530.2k $23.4m $23.4m 1.19% Added +162.2k +162,159
18 AMERICAN CENTURY COMPANIES INC 0.02% of their portfolio KANSAS CITY, MO 507,978508.0k $22.5m $22.5m 0.02% Added +36.2k +36,176
19 FIRST TRUST ADVISORS LP 0.02% of their portfolio Wheaton, IL 411,279411.3k $18.2m $18.2m 0.02% Added +71.5k +71,531
20 Nuveen Asset Management, LLC 0.01% of their portfolio CHICAGO, IL 392,908392.9k $17.4m $17.4m 0.01% Added +64.2k +64,162
21 ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 0.02% of their portfolio BOSTON, MA 364,963365.0k $16.1m $16.1m 0.02% Added +276.0k +276,035
22 FMR LLC 0.00% of their portfolio BOSTON, MA 348,092348.1k $15.4m $15.4m 0.00% Reduced -217.1k -217,054
23 Azora Capital LP 3.04% of their portfolio MIAMI, FL 338,119338.1k $14.9m $14.9m 3.04% Reduced -321.1k -321,084
24 PANAGORA ASSET MANAGEMENT INC 0.07% of their portfolio BOSTON, MA 261,957262.0k $11.6m $11.6m 0.07% Reduced -6.1k -6,098
25 SOL Capital Management CO 1.72% of their portfolio ROCKVILLE, MD 256,525256.5k $11.3m $11.3m 1.72% Unchanged
26 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 231,998232.0k $10.3m $10.3m 0.00% Added +17.2k +17,163
27 PRINCIPAL FINANCIAL GROUP INC 0.01% of their portfolio DES MOINES, IA 207,865207.9k $9.2m $9.2m 0.01% Reduced -1.9k -1,934
28 RHUMBLINE ADVISERS 0.01% of their portfolio BOSTON, MA 200,882200.9k $8.9m $8.9m 0.01% Reduced -201 -201
29 ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio NASHVILLE, TN 196,261196.3k $8.7m $8.7m 0.00% Reduced -4.1k -4,056
30 Kovack Advisors, Inc. 1.00% of their portfolio FT. LAUDERDALE, FL 176,334176.3k $7.8m $7.8m 1.00% Reduced -5.3k -5,280
31 NEW YORK STATE COMMON RETIREMENT FUND 0.01% of their portfolio ALBANY, NY 162,729162.7k $7.2m $7.2m 0.01% Reduced -37.9k -37,871
32 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 162,502162.5k $7.2m $7.2m 0.00% Added +1.3k +1,314
33 Brandywine Global Investment Management, LLC 0.05% of their portfolio PHILADELPHIA, PA 128,546128.5k $5.7m $5.7m 0.05% Reduced -128.4k -128,378
34 Elizabeth Park Capital Advisors, Ltd. 4.03% of their portfolio PEPPER PIKE, OH 125,224125.2k $5.5m $5.5m 4.03% Reduced -35.4k -35,380
35 Swiss National Bank 0.00% of their portfolio ZURICH, V8 121,700121.7k $5.4m $5.4m 0.00% Added +1.0k +1,000
36 VOYA INVESTMENT MANAGEMENT LLC 0.01% of their portfolio ATLANTA, GA 120,924120.9k $5.3m $5.3m 0.01% Reduced -37.5k -37,491
37 KENNEDY CAPITAL MANAGEMENT LLC 0.12% of their portfolio ST LOUIS, MO 112,032112.0k $5.0m $5.0m 0.12% Reduced -2.4k -2,357
38 ALGERT GLOBAL LLC 0.21% of their portfolio SAN FRANCISCO, CA 107,356107.4k $4.7m $4.7m 0.21% Added +1.1k +1,147
39 AMERICAN INTERNATIONAL GROUP, INC. 0.03% of their portfolio New York, NY 105,042105.0k $4.6m $4.6m 0.03% Reduced -1.8k -1,764
40 MALTESE CAPITAL MANAGEMENT LLC 1.53% of their portfolio New York, NY 100,000100.0k $4.4m $4.4m 1.53% Reduced -24.7k -24,700
41 MERCER GLOBAL ADVISORS INC /ADV 0.02% of their portfolio DENVER, CO 97,92697.9k $4.3m $4.3m 0.02% Reduced -13 -13
42 AQR CAPITAL MANAGEMENT LLC 0.01% of their portfolio Greenwich, CT 97,68197.7k $4.3m $4.3m 0.01% Reduced -20.6k -20,612
43 NEW YORK STATE TEACHERS RETIREMENT SYSTEM 0.01% of their portfolio ALBANY, NY 96,14796.1k $4.2m $4.2m 0.01% Unchanged
44 RENAISSANCE TECHNOLOGIES LLC 0.01% of their portfolio NEW YORK, NY 95,00095.0k $4.2m $4.2m 0.01% Reduced -12.4k -12,400
45 VICTORY CAPITAL MANAGEMENT INC 0.00% of their portfolio San Antonio, TX 90,83790.8k $4.0m $4.0m 0.00% Reduced -7.1k -7,079
46 GW&K Investment Management, LLC 0.04% of their portfolio BOSTON, MA 88,17588.2k $3.9m $3.9m 0.04% Reduced -2.3k -2,298
47 Legal & General Group Plc 0.00% of their portfolio London, X0 82,08382.1k $3.6m $3.6m 0.00% Added +461 +461
48 BARCLAYS PLC 0.00% of their portfolio LONDON, X0 77,73377.7k $3.4m $3.4m 0.00% Added +23.3k +23,300
49 CREDIT SUISSE AG/ 0.00% of their portfolio ZURICH, V8 73,63673.6k $3.3m $3.3m 0.00% Added +6.9k +6,854
50 Retirement Systems of Alabama 0.01% of their portfolio MONTGOMERY, AL 68,04068.0k $3.0m $3.0m 0.01% Reduced -945 -945
51 AMERIPRISE FINANCIAL INC 0.00% of their portfolio MINNEAPOLIS, MN 66,55066.5k $2.9m $2.9m 0.00% Reduced -2.1k -2,060
52 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio WEST SACRAMENTO, CA 65,59965.6k $2.9m $2.9m 0.00% Reduced -3.5k -3,455
53 Russell Investments Group, Ltd. 0.01% of their portfolio Seattle, WA 61,40961.4k $2.7m $2.7m 0.01% Reduced -3.3k -3,291
54 MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio NEW YORK, NY 61,21161.2k $2.7m $2.7m 0.00% Added +44.4k +44,392
55 Prime Capital Investment Advisors, LLC 0.05% of their portfolio OVERLAND PARK, KS 60,96161.0k $2.7m $2.7m 0.05% New
56 MetLife Investment Management, LLC 0.02% of their portfolio Whippany, NJ 58,93958.9k $2.6m $2.6m 0.02% Reduced -687 -687
57 MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.00% of their portfolio Toronto, A6 58,65058.6k $2.6m $2.6m 0.00% Reduced -1.5k -1,460
58 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% of their portfolio NEW YORK, NY 56,80656.8k $2.4m $2.4m 0.00% Unchanged
59 STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM 0.01% of their portfolio TALLAHASSEE, FL 56,09156.1k $2.5m $2.5m 0.01% Added +29.9k +29,918
60 CITADEL ADVISORS LLC 0.00% of their portfolio MIAMI, FL 53,75953.8k $2.4m $2.4m 0.00% Reduced -178.8k -178,826
61 Cresta Advisors, Ltd. 1.73% of their portfolio LAREDO, TX 50,33550.3k $2.2m $2.2m 1.73% Added +83 +83
62 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 49,89649.9k $2.2m $2.2m 0.00% Reduced -40.3k -40,331
63 PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio BALTIMORE, MD 48,14148.1k $2.1m $2.1m 0.00% Added +1.4k +1,431
64 CITIGROUP INC 0.00% of their portfolio NEW YORK, NY 47,94347.9k $2.1m $2.1m 0.00% Added +42.0k +41,960
65 UBS Group AG 0.00% of their portfolio ZURICH, V8 46,88246.9k $2.1m $2.1m 0.00% Added +8.7k +8,705
66 TEXAS PERMANENT SCHOOL FUND CORP 0.02% of their portfolio AUSTIN, TX 46,48846.5k $2.1m $2.1m 0.02% Reduced -860 -860
67 TEACHERS RETIREMENT SYSTEM OF THE STATE OF KENTUCKY 0.02% of their portfolio FRANKFORT, KY 46,47246.5k $2.1m $2.1m 0.02% Added +872 +872
68 DEUTSCHE BANK AG\ 0.00% of their portfolio FRANKFURT AM MAIN, 2M 46,24946.2k $2.0m $2.0m 0.00% Added +10.9k +10,899
69 9258 Wealth Management, LLC 0.37% of their portfolio BLUE ASH, OH 44,66144.7k $2.0m $2.0m 0.37% Unchanged
70 BHZ CAPITAL MANAGEMENT, LP 1.59% of their portfolio San Jose, CA 42,47642.5k $1.9m $1.9m 1.59% Added +4.8k +4,756
71 SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio BALA CYNWYD, PA 38,58038.6k $1.7m $1.7m 0.00% Reduced -20.1k -20,087
72 MUTUAL OF AMERICA CAPITAL MANAGEMENT LLC 0.02% of their portfolio New York, NY 38,53538.5k $1.7m $1.7m 0.02% Reduced -4.0k -3,951
73 Rafferty Asset Management, LLC 0.01% of their portfolio New York, NY 38,05738.1k $1.7m $1.7m 0.01% Added +7.5k +7,489
74 PRUDENTIAL FINANCIAL INC 0.00% of their portfolio NEWARK, NJ 35,07935.1k $1.6m $1.6m 0.00% Reduced -13.8k -13,840
75 CANADA LIFE ASSURANCE Co 0.00% of their portfolio WINNIPEG, A2 34,95535.0k $1.5m $1.5m 0.00% Reduced -4.2k -4,152
76 AMALGAMATED BANK 0.01% of their portfolio NEW YORK, NY 31,74331.7k $1.4m $1.4m 0.01% Reduced -1.7k -1,723
77 COMMONWEALTH EQUITY SERVICES, LLC 0.00% of their portfolio WALTHAM, MA 31,50331.5k $1.4m $1.4m 0.00% Reduced -606 -606
78 ONTARIO TEACHERS PENSION PLAN BOARD 0.01% of their portfolio Toronto, A6 31,45331.5k $1.4m $1.4m 0.01% Added +6.8k +6,793
79 NISA INVESTMENT ADVISORS, LLC 0.01% of their portfolio ST. LOUIS, MO 31,06031.1k $1.4m $1.4m 0.01% Reduced -543 -543
80 TEACHER RETIREMENT SYSTEM OF TEXAS 0.01% of their portfolio AUSTIN, TX 28,93928.9k $1.3m $1.3m 0.01% Added +11.0k +11,024
81 Mirae Asset Global Investments Co., Ltd. 0.00% of their portfolio SEOUL, M5 27,39427.4k $1.2m $1.2m 0.00% Added +4.1k +4,057
82 YOUSIF CAPITAL MANAGEMENT, LLC 0.01% of their portfolio BLOOMFIELD HILLS, MI 25,92725.9k $1.1m $1.1m 0.01% Reduced -1.0k -1,000
83 JANUS HENDERSON GROUP PLC 0.00% of their portfolio LONDON, X0 25,69625.7k $1.1m $1.1m 0.00% Reduced -44 -44
84 COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS 0.01% of their portfolio HARRISBURG, PA 25,52225.5k $1.1m $1.1m 0.01% Added +1.7k +1,742
85 NEUBERGER BERMAN GROUP LLC 0.00% of their portfolio NEW YORK, NY 25,20025.2k $1.1m $1.1m 0.00% Added +3.9k +3,917
86 WINTON GROUP Ltd 0.09% of their portfolio LONDON, X0 24,92224.9k $1.1m $1.1m 0.09% Reduced -21.7k -21,681
87 JANE STREET GROUP, LLC 0.00% of their portfolio NEW YORK, NY 24,05224.1k $1.1m $1.1m 0.00% New
88 MSD Partners, L.P. 0.09% of their portfolio NEW YORK, NY 22,72022.7k $1.0m $1.0m 0.09% Unchanged
89 Ensign Peak Advisors, Inc 0.00% of their portfolio SALT LAKE CITY, UT 22,65722.7k $1.0m $1.0m 0.00% Unchanged
90 WELLS FARGO & COMPANY/MN 0.00% of their portfolio SAN FRANCISCO, CA 21,28721.3k $940.9k $940.9k 0.00% Added +6.2k +6,179
91 HRT FINANCIAL LP 0.01% of their portfolio NEW YORK, NY 20,59320.6k $910.0k $910.0k 0.01% New
92 Beacon Pointe Advisors, LLC 0.01% of their portfolio NEWPORT BEACH, CA 19,78519.8k $874.5k $874.5k 0.01% Unchanged
93 GUGGENHEIM CAPITAL LLC 0.01% of their portfolio CHICAGO, IL 18,89518.9k $835.2k $835.2k 0.01% Added +1.5k +1,491
94 Thrivent Financial for Lutherans 0.00% of their portfolio Minneapolis, MN 18,66018.7k $825.0k $825.0k 0.00% Added +589 +589
95 Ameritas Investment Partners, Inc. 0.03% of their portfolio LINCOLN, NE 17,62517.6k $779.0k $779.0k 0.03% Reduced -198 -198
96 HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND 0.00% of their portfolio TORONTO, A6 17,57817.6k $776.9k $776.9k 0.00% New
97 Cubist Systematic Strategies, LLC 0.01% of their portfolio STAMFORD, CT 17,51617.5k $774.2k $774.2k 0.01% Reduced -244 -244
98 SummerHaven Investment Management, LLC 0.48% of their portfolio STAMFORD, CT 16,95717.0k $749.5k $749.5k 0.48% Reduced -2.9k -2,867
99 TWO SIGMA INVESTMENTS, LP 0.00% of their portfolio NEW YORK, NY 16,10016.1k $711.6k $711.6k 0.00% Added +1.7k +1,700
100 BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio PARIS, I0 15,97416.0k $706.1k $706.1k 0.00% Reduced -14.5k -14,468