William Blair & Company
IWY icon

William Blair & Company’s iShares Russell Top 200 Growth ETF IWY Stock Holding History

William Blair & Company’s Portfolio IWY Stock Details IWY Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$2.76M Sell
11,107
-719
-6% -$190K 0.01% 650
2025
Q4 		$3.28M Sell
11,826
-2,372
-17% -$657K 0.01% 617
2025
Q3 		$3.89M Sell
14,198
-2,023
-12% -$523K 0.01% 583
2025
Q2 		$4M Sell
16,221
-303
-2% -$67.4K 0.01% 556
2025
Q1 		$3.49M Buy
16,524
+936
+6% +$215K 0.01% 576
2024
Q4 		$3.67M Buy
15,588
+619
+4% +$142K 0.01% 569
2024
Q3 		$3.29M Buy
14,969
+2,164
+17% +$460K 0.01% 596
2024
Q2 		$2.75M Buy
12,805
+6,212
+94% +$1.24M 0.01% 616
2024
Q1 		$1.29M Buy
6,593
+311
+5% +$58.1K ﹤0.01% 796
2023
Q4 		$1.1M Hold
6,282
– – ﹤0.01% 824
2023
Q3 		$966K Hold
6,282
– – ﹤0.01% 847
2023
Q2 		$996K Sell
6,282
-26
-0.4% -$3.79K ﹤0.01% 842
2023
Q1 		$876K Hold
6,308
– – ﹤0.01% 866
2022
Q4 		$760K Sell
6,308
-1,848
-23% -$230K ﹤0.01% 922
2022
Q3 		$975K Buy
8,156
+5
+0.1% +$671 ﹤0.01% 819
2022
Q2 		$1.02M Buy
8,151
+3
+0% +$412 ﹤0.01% 846
2022
Q1 		$1.29M Buy
8,148
+1,066
+15% +$166K ﹤0.01% 828
2021
Q4 		$1.23M Hold
7,082
– – ﹤0.01% 888
2021
Q3 		$1.08M Hold
7,082
– – ﹤0.01% 896
2021
Q2 		$1.07M Hold
7,082
– – ﹤0.01% 896
2021
Q1 		$953K Hold
7,082
– – ﹤0.01% 917
2020
Q4 		$942K Buy
7,082
+5,378
+316% +$678K ﹤0.01% 869
2020
Q3 		$207K Hold
1,704
– – ﹤0.01% 1285
2020
Q2 		$182K Buy
1,704
+1,560
+1,083% +$153K ﹤0.01% 1269
2020
Q1 		$12K Hold
144
– – ﹤0.01% 1544
2019
Q4 		$14K Hold
144
– – ﹤0.01% 1613
2019
Q3 		$13K Hold
144
– – ﹤0.01% 1581
2019
Q2 		$12K Hold
144
– – ﹤0.01% 1631
2019
Q1 		$12K Hold
144
– – ﹤0.01% 1609
2018
Q4 		$10K Hold
144
– – ﹤0.01% 1565
2018
Q3 		$12K Buy
144
+15
+12% +$1.24K ﹤0.01% 1559
2018
Q2 		$10K Hold
129
– – ﹤0.01% 1536
2018
Q1 		$10K Buy
+129
New +$9.84K ﹤0.01% 1457

Other funds holding IWY

TCIIS
TIAA-CREF Individual & Institutional Services New York $26B AUM
Envestnet Portfolio Solutions
Envestnet Portfolio Solutions Chicago, Illinois $20.9B AUM 19.34% 1-Year Est. Return
Ameriprise
Ameriprise Minneapolis, Minnesota $432B AUM 30.22% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return
LPL Financial
LPL Financial San Diego, California $445B AUM 25.58% 1-Year Est. Return
Mariner
Mariner Overland Park, Kansas $85.7B AUM 24.21% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Commonwealth Equity Services
Commonwealth Equity Services Waltham, Massachusetts $79.5B AUM 27.1% 1-Year Est. Return
Wells Fargo
Wells Fargo San Francisco, California $530B AUM 22.01% 1-Year Est. Return
AWM
AE Wealth Management Topeka, Kansas $21.5B AUM 26.98% 1-Year Est. Return

William Blair & Company's IWY Position: Q1 2026 in Review

William Blair & Company reduced its iShares Russell Top 200 Growth ETF (IWY) stake by 6.1% in Q1 2026, selling an estimated $190K and leaving 11,107 shares worth $2.76M. The position accounts for 0.01% of the portfolio, ranked #650.

William Blair & Company first reported a position in IWY in Q1 2018 and has held it in 33 quarters since. The position peaked at $4M in Q2 2025. 641 funds tracked by Wall St. Rank hold IWY as of Q1 2026.

  • William Blair & Company held 11,107 shares of iShares Russell Top 200 Growth ETF worth $2.76M as of Q1 2026.
  • William Blair & Company sold 719 iShares Russell Top 200 Growth ETF shares in Q1 2026, an estimated $190K.
  • iShares Russell Top 200 Growth ETF made up 0.01% of William Blair & Company's portfolio in Q1 2026, its #650 holding.
  • William Blair & Company first reported a position in iShares Russell Top 200 Growth ETF in Q1 2018 and has held it in 33 quarters since.
  • William Blair & Company's iShares Russell Top 200 Growth ETF position peaked at $4M in Q2 2025.
  • 641 funds tracked by Wall St. Rank held iShares Russell Top 200 Growth ETF as of Q1 2026.

Based on William Blair & Company's 13F filing for Q1 2026, filed 8 May 2026.