Marshall Wace
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Marshall Wace’s International Bancshares IBOC Stock Holding History

Marshall Wace’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
2026
Q1 		$1.14M Buy
+16,946
New +$1.17M ﹤0.01% 2077
2021
Q4 		– Sell
-6,412
Closed -$267K – 4045
2021
Q3 		$267K Buy
+6,412
New +$262K ﹤0.01% 2697
2020
Q2 		– Sell
-10,324
Closed -$278K – 1735
2020
Q1 		$278K Buy
+10,324
New +$370K ﹤0.01% 1113
2019
Q2 		– Sell
-14,550
Closed -$553K – 1562
2019
Q1 		$553K Buy
+14,550
New +$550K 0.01% 1110

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

Marshall Wace's IBOC Position: Q1 2026 in Review

Marshall Wace opened a new position in International Bancshares (IBOC) in Q1 2026: 16,946 shares worth $1.14M. The stake represents ﹤0.01% of the portfolio and ranks #2077 among its holdings. This is a return to the name: Marshall Wace previously reported a position in IBOC as recently as Q3 2021.

Marshall Wace first reported a position in IBOC in Q1 2019 and has held it in 4 quarters since. 292 funds tracked by Wall St. Rank hold IBOC as of Q1 2026.

  • Marshall Wace held 16,946 shares of International Bancshares worth $1.14M as of Q1 2026.
  • International Bancshares was a new Marshall Wace position in Q1 2026.
  • International Bancshares made up ﹤0.01% of Marshall Wace's portfolio in Q1 2026, its #2077 holding.
  • Marshall Wace first reported a position in International Bancshares in Q1 2019 and has held it in 4 quarters since.
  • 292 funds tracked by Wall St. Rank held International Bancshares as of Q1 2026.

Based on Marshall Wace's 13F filing for Q1 2026, filed 15 May 2026.