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 $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
BTW
Boston Trust Walden Boston, Massachusetts $13.1B AUM 24.63% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

Citadel Advisors's IBOC Position: Q2 2026 in Review

Citadel Advisors reduced its International Bancshares (IBOC) stake by 40% in Q2 2026, selling an estimated $3.9M and leaving 81,735 shares worth $6.21M. The position accounts for ﹤0.01% of the portfolio, ranked #4352.

Citadel Advisors first reported a position in IBOC in Q2 2013 and has held it in 43 quarters since. The position peaked at $26.3M in Q3 2022. 302 funds tracked by Wall St. Rank hold IBOC as of Q2 2026.

  • Citadel Advisors held 81,735 shares of International Bancshares worth $6.21M as of Q2 2026.
  • Citadel Advisors sold 53,710 International Bancshares shares in Q2 2026, an estimated $3.9M.
  • International Bancshares made up ﹤0.01% of Citadel Advisors's portfolio in Q2 2026, its #4352 holding.
  • Citadel Advisors first reported a position in International Bancshares in Q2 2013 and has held it in 43 quarters since.
  • Citadel Advisors's International Bancshares position peaked at $26.3M in Q3 2022.
  • 302 funds tracked by Wall St. Rank held International Bancshares as of Q2 2026.

Based on Citadel Advisors's 13F filing for Q2 2026, filed 14 Aug 2026.