Citadel Advisors
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Citadel Advisors’s International Bancshares IBOC Stock Holding History

Citadel Advisors’s Portfolio IBOC Stock Details IBOC Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q1 		– Sell
-100
Closed -$6.32K – 14962
2024
Q4 		$6.32K Buy
+100
New +$6.63K ﹤0.01% 13803
2024
Q3 		– Sell
-2,300
Closed -$132K – 14662
2024
Q2 		$132K Buy
+2,300
New +$129K ﹤0.01% 10535
2024
Q1 		– Sell
-1,200
Closed -$65.2K – 14965
2023
Q4 		$65.2K Sell
1,200
-200
-14% -$9.28K ﹤0.01% 11482
2023
Q3 		$60.7K Buy
1,400
+100
+8% +$4.57K ﹤0.01% 11514
2023
Q2 		$57.5K Buy
1,300
+200
+18% +$8.7K ﹤0.01% 11641
2023
Q1 		$47.1K Buy
+1,100
New +$50K ﹤0.01% 12234

Other funds holding IBOC

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
American Century Companies
American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
ACL
Azora Capital LP Miami, Florida $1.52B AUM 39.16% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return
First Trust Advisors
First Trust Advisors Wheaton, Illinois $140B AUM 27.84% 1-Year Est. Return

Citadel Advisors's IBOC Position: Q1 2026 in Review

Citadel Advisors increased its International Bancshares (IBOC) stake by 329% in Q1 2026, buying an estimated $7.2M and bringing the position to 135,445 shares worth $9.11M. The position accounts for ﹤0.01% of the portfolio, ranked #3385.

Citadel Advisors first reported a position in IBOC in Q2 2013 and has held it in 42 quarters since. The position peaked at $26.3M in Q3 2022. 292 funds tracked by Wall St. Rank hold IBOC as of Q1 2026.

  • Citadel Advisors held 135,445 shares of International Bancshares worth $9.11M as of Q1 2026.
  • Citadel Advisors bought 103,845 International Bancshares shares in Q1 2026, an estimated $7.2M.
  • International Bancshares made up ﹤0.01% of Citadel Advisors's portfolio in Q1 2026, its #3385 holding.
  • Citadel Advisors first reported a position in International Bancshares in Q2 2013 and has held it in 42 quarters since.
  • Citadel Advisors's International Bancshares position peaked at $26.3M in Q3 2022.
  • 292 funds tracked by Wall St. Rank held International Bancshares as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.