William Blair & Company’s iShares Russell 1000 Growth ETF IWF Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q2 | $121M | Sell |
973,601
-90,503
| -9% | -$10.9M | 0.31% | 70 |
|
|
2026
Q1 | $113M | Buy |
1,064,104
+12,032
| +1% | +$1.37M | 0.33% | 73 |
|
|
2025
Q4 | $124M | Buy |
1,052,072
+48,880
| +5% | +$5.79M | 0.33% | 71 |
|
|
2025
Q3 | $117M | Buy |
1,003,192
+6,820
| +0.7% | +$759K | 0.31% | 77 |
|
|
2025
Q2 | $106M | Buy |
996,372
+113,880
| +13% | +$10.9M | 0.29% | 84 |
|
|
2025
Q1 | $79.7M | Buy |
882,492
+16,072
| +2% | +$1.59M | 0.24% | 97 |
|
|
2024
Q4 | $87M | Buy |
866,420
+60,256
| +7% | +$5.93M | 0.25% | 94 |
|
|
2024
Q3 | $75.7M | Sell |
806,164
-3,968
| -0.5% | -$360K | 0.22% | 102 |
|
|
2024
Q2 | $73.8M | Buy |
810,132
+67,484
| +9% | +$5.76M | 0.23% | 101 |
|
|
2024
Q1 | $62.6M | Buy |
742,648
+72,508
| +11% | +$5.84M | 0.2% | 113 |
|
|
2023
Q4 | $50.8M | Sell |
670,140
-12,872
| -2% | -$910K | 0.17% | 120 |
|
|
2023
Q3 | $45.4M | Buy |
683,012
+39,720
| +6% | +$2.74M | 0.17% | 120 |
|
|
2023
Q2 | $44.3M | Buy |
643,292
+202,124
| +46% | +$12.9M | 0.16% | 127 |
|
|
2023
Q1 | $26.9M | Sell |
441,168
-1,880
| -0.4% | -$108K | 0.11% | 170 |
|
|
2022
Q4 | $23.7M | Sell |
443,048
-36,664
| -8% | -$2.02M | 0.1% | 172 |
|
|
2022
Q3 | $25.2M | Buy |
479,712
+75,940
| +19% | +$4.47M | 0.12% | 167 |
|
|
2022
Q2 | $0 | Buy |
403,772
+33,584
| +9% | +$2.02M | ﹤0.01% | 1901 |
|
|
2022
Q1 | $0 | Sell |
370,188
-1,788
| -0.5% | -$122K | ﹤0.01% | 1955 |
|
|
2021
Q4 | $28.4M | Buy |
371,976
+1,108
| +0.3% | +$82.1K | 0.09% | 202 |
|
|
2021
Q3 | $25.4M | Buy |
370,868
+30,624
| +9% | +$2.17M | 0.09% | 204 |
|
|
2021
Q2 | $23.1M | Buy |
340,244
+14,676
| +5% | +$946K | 0.08% | 209 |
|
|
2021
Q1 | $19.8M | Sell |
325,568
-15,240
| -4% | -$928K | 0.07% | 222 |
|
|
2020
Q4 | $0 | Buy |
340,808
+10,728
| +3% | +$611K | ﹤0.01% | 1839 |
|
|
2020
Q3 | $17.9M | Buy |
330,080
+4,264
| +1% | +$225K | 0.08% | 202 |
|
|
2020
Q2 | $15.6M | Buy |
325,816
+3,692
| +1% | +$163K | 0.07% | 207 |
|
|
2020
Q1 | $12.1M | Buy |
322,124
+54,944
| +21% | +$2.37M | 0.08% | 209 |
|
|
2019
Q4 | $11.8M | Buy |
267,180
+3,528
| +1% | +$147K | 0.06% | 250 |
|
|
2019
Q3 | $10.5M | Buy |
263,652
+14,396
| +6% | +$577K | 0.06% | 249 |
|
|
2019
Q2 | $9.8M | Buy |
249,256
+15,396
| +7% | +$596K | 0.06% | 262 |
|
|
2019
Q1 | $8.85M | Sell |
233,860
-24,836
| -10% | -$892K | 0.05% | 277 |
|
|
2018
Q4 | $8.47M | Buy |
258,696
+12,452
| +5% | +$439K | 0.06% | 257 |
|
|
2018
Q3 | $9.6M | Buy |
246,244
+1,584
| +0.6% | +$60K | 0.06% | 263 |
|
|
2018
Q2 | $8.8M | Sell |
244,660
-616
| -0.3% | -$21.7K | 0.06% | 260 |
|
|
2018
Q1 | $8.35M | Sell |
245,276
-16,004
| -6% | -$561K | 0.06% | 264 |
|
|
2017
Q4 | $8.8M | Sell |
261,280
-70,780
| -21% | -$2.32M | 0.06% | 257 |
|
|
2017
Q3 | $10.4M | Sell |
332,060
-1,548
| -0.5% | -$47.4K | 0.08% | 233 |
|
|
2017
Q2 | $9.93M | Buy |
333,608
+2,348
| +0.7% | +$68.9K | 0.07% | 239 |
|
|
2017
Q1 | $9.38M | Sell |
331,260
-9,504
| -3% | -$264K | 0.08% | 233 |
|
|
2016
Q4 | $8.94M | Sell |
340,764
-7,120
| -2% | -$185K | 0.08% | 227 |
|
|
2016
Q3 | $9.06M | Sell |
347,884
-30,752
| -8% | -$800K | 0.08% | 229 |
|
|
2016
Q2 | $9.5M | Buy |
378,636
+64,396
| +20% | +$1.61M | 0.09% | 212 |
|
|
2016
Q1 | $7.84M | Sell |
314,240
-14,052
| -4% | -$332K | 0.07% | 227 |
|
|
2015
Q4 | $8.16M | Buy |
328,292
+7,864
| +2% | +$196K | 0.08% | 227 |
|
|
2015
Q3 | $7.45M | Buy |
320,428
+137,036
| +75% | +$3.37M | 0.06% | 260 |
|
|
2015
Q2 | $4.54M | Sell |
183,392
-320
| -0.2% | -$8.05K | 0.01% | 1098 |
|
|
2015
Q1 | $4.54M | Buy |
183,712
+9,100
| +5% | +$222K | 0.01% | 1066 |
|
|
2014
Q4 | $4.17M | Sell |
174,612
-410,692
| -70% | -$9.61M | 0.01% | 1083 |
|
|
2014
Q3 | $13.4M | Sell |
585,304
-408
| -0.1% | -$9.35K | 0.02% | 735 |
|
|
2014
Q2 | $13.3M | Sell |
585,712
-4,328
| -0.7% | -$95K | 0.02% | 753 |
|
|
2014
Q1 | $12.8M | Sell |
590,040
-5,424
| -0.9% | -$116K | 0.02% | 735 |
|
|
2013
Q4 | $12.8M | Buy |
595,464
+13,840
| +2% | +$284K | 0.02% | 720 |
|
|
2013
Q3 | $11.4M | Buy |
581,624
+3,552
| +0.6% | +$68K | 0.02% | 690 |
|
|
2013
Q2 | $10.5M | Buy |
+578,072
| New | +$10.6M | 0.02% | 701 |
|
Other funds holding IWF
William Blair & Company's IWF Position: Q2 2026 in Review
William Blair & Company reduced its iShares Russell 1000 Growth ETF (IWF) stake by 8.5% in Q2 2026, selling an estimated $10.9M and leaving 973,601 shares worth $121M. The position accounts for 0.31% of the portfolio, ranked #70.
William Blair & Company first reported a position in IWF in Q2 2013 and has held it in 53 quarters since. The position peaked at $124M in Q4 2025. 2,499 funds tracked by Wall St. Rank hold IWF as of Q2 2026.
- William Blair & Company held 973,601 shares of iShares Russell 1000 Growth ETF worth $121M as of Q2 2026.
- William Blair & Company sold 90,503 iShares Russell 1000 Growth ETF shares in Q2 2026, an estimated $10.9M.
- iShares Russell 1000 Growth ETF made up 0.31% of William Blair & Company's portfolio in Q2 2026, its #70 holding.
- William Blair & Company first reported a position in iShares Russell 1000 Growth ETF in Q2 2013 and has held it in 53 quarters since.
- William Blair & Company's iShares Russell 1000 Growth ETF position peaked at $124M in Q4 2025.
- 2,499 funds tracked by Wall St. Rank held iShares Russell 1000 Growth ETF as of Q2 2026.
Based on William Blair & Company's 13F filing for Q2 2026, filed 11 Aug 2026.