William Blair Investment Management
ITUB icon

William Blair Investment Management’s Itaú Unibanco ITUB Stock Holding History

William Blair Investment Management’s Portfolio ITUB Stock Details ITUB Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$231M Sell
28,283,482
-3,401,226
-11% -$28.2M 0.69% 27
2026
Q1 		$266M Sell
31,684,708
-4,867,055
-13% -$40.7M 0.88% 14
2025
Q4 		$262M Buy
36,551,763
+6,197,462
+20% +$44.1M 0.73% 26
2025
Q3 		$216M Buy
30,354,301
+197,485
+0.7% +$1.3M 0.56% 42
2025
Q2 		$199M Buy
30,156,816
+10,302,379
+52% +$62.8M 0.53% 46
2025
Q1 		$106M Buy
19,854,437
+3,881,246
+24% +$19.5M 0.3% 96
2024
Q4 		$69.9M Sell
15,973,191
-32,806,648
-67% -$169M 0.17% 127
2024
Q3 		$286M Buy
48,779,839
+5,806,812
+14% +$32.7M 0.71% 29
2024
Q2 		$222M Buy
42,973,027
+5,538,216
+15% +$30.3M 0.58% 44
2024
Q1 		$229M Buy
37,434,811
+24,608,864
+192% +$148M 0.59% 44
2023
Q4 		$78.6M Buy
12,825,947
+1,956,799
+18% +$10.4M 0.23% 119
2023
Q3 		$51.5M Buy
10,869,148
+576,196
+6% +$2.87M 0.17% 129
2023
Q2 		$53.6M Buy
10,292,952
+599,931
+6% +$2.84M 0.17% 130
2023
Q1 		$41.7M Sell
9,693,021
-4,985,670
-34% -$21.1M 0.15% 145
2022
Q4 		$61M Sell
14,678,691
-5,785,658
-28% -$26.3M 0.23% 112
2022
Q3 		$93.4M Sell
20,464,349
-4,252,892
-17% -$18.1M 0.37% 91
2022
Q2 		$93.4M Buy
24,717,241
+668,418
+3% +$2.97M 0.35% 98
2022
Q1 		$121M Buy
+24,048,823
New +$101M 0.36% 95
2019
Q3 		– Sell
-261,746
Closed -$1.79M – 373
2019
Q2 		$1.79M Sell
261,746
-274,014
-51% -$1.72M 0.01% 357
2019
Q1 		$3.43M Sell
535,760
-29,111
-5% -$206K 0.01% 356
2018
Q4 		$3.76M Buy
564,871
+797
+0.1% +$5.12K 0.02% 348
2018
Q3 		$3M Sell
564,074
-76,376
-12% -$410K 0.01% 371
2018
Q2 		$3.23M Sell
640,450
-374,945
-37% -$2.33M 0.01% 378
2018
Q1 		$7.68M Buy
1,015,395
+189,439
+23% +$1.42M 0.03% 332
2017
Q4 		$5.21M Buy
825,956
+225,183
+37% +$1.44M 0.02% 344
2017
Q3 		$3.99M Sell
600,773
-23,491
-4% -$144K 0.01% 364
2017
Q2 		$3.35M Buy
624,264
+542,926
+667% +$3.04M 0.01% 376
2017
Q1 		$476K Buy
81,338
+49,408
+155% +$293K ﹤0.01% 422
2016
Q4 		$159K Buy
+31,930
New +$164K ﹤0.01% 434

Other funds holding ITUB

Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $717B AUM 35.42% 1-Year Est. Return
OAG
Orbis Allan Gray Hamilton, Bermuda $29.1B AUM 60.8% 1-Year Est. Return
WGI
Westwood Global Investments Boston, Massachusetts $2.85B AUM 55.09% 1-Year Est. Return
Schroder Investment Management Group
Schroder Investment Management Group London, United Kingdom $141B AUM 34.18% 1-Year Est. Return
GQG Partners
GQG Partners Ft. Lauderdale, Florida $53.8B AUM 19.23% 1-Year Est. Return
Robeco Institutional Asset Management
Robeco Institutional Asset Management Rotterdam, Netherlands $81.4B AUM 40.71% 1-Year Est. Return
Arrowstreet Capital
Arrowstreet Capital Boston, Massachusetts $225B AUM 49.49% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

William Blair Investment Management's ITUB Position: Q2 2026 in Review

William Blair Investment Management reduced its Itaú Unibanco (ITUB) stake by 11% in Q2 2026, selling an estimated $28.2M and leaving 28,283,482 shares worth $231M. The position accounts for 0.69% of the portfolio, ranked #27.

William Blair Investment Management first reported a position in ITUB in Q4 2016 and has held it in 29 quarters since. The position peaked at $286M in Q3 2024. 392 funds tracked by Wall St. Rank hold ITUB as of Q2 2026.

  • William Blair Investment Management held 28,283,482 shares of Itaú Unibanco worth $231M as of Q2 2026.
  • William Blair Investment Management sold 3,401,226 Itaú Unibanco shares in Q2 2026, an estimated $28.2M.
  • Itaú Unibanco made up 0.69% of William Blair Investment Management's portfolio in Q2 2026, its #27 holding.
  • William Blair Investment Management first reported a position in Itaú Unibanco in Q4 2016 and has held it in 29 quarters since.
  • William Blair Investment Management's Itaú Unibanco position peaked at $286M in Q3 2024.
  • 392 funds tracked by Wall St. Rank held Itaú Unibanco as of Q2 2026.

Based on William Blair Investment Management's 13F filing for Q2 2026, filed 12 Aug 2026.