William Blair & Company’s iShares Russell Mid-Cap Growth ETF IWP Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
$7.36M Buy
50,288
+3,313
+7% +$457K 0.02% 434
2026
Q1
$6.02M Buy
46,975
+2,455
+6% +$332K 0.02% 464
2025
Q4
$6.1M Sell
44,520
-2,778
-6% -$388K 0.02% 468
2025
Q3
$6.74M Sell
47,298
-486
-1% -$68.7K 0.02% 449
2025
Q2
$6.63M Sell
47,784
-2,223
-4% -$281K 0.02% 434
2025
Q1
$5.88M Buy
50,007
+739
+1% +$95K 0.02% 442
2024
Q4
$6.24M Buy
49,268
+1,845
+4% +$235K 0.02% 439
2024
Q3
$5.56M Sell
47,423
-542
-1% -$60.6K 0.02% 477
2024
Q2
$5.29M Sell
47,965
-3,634
-7% -$399K 0.02% 474
2024
Q1
$5.89M Buy
51,599
+1,473
+3% +$159K 0.02% 448
2023
Q4
$5.24M Sell
50,126
-752
-1% -$71.3K 0.02% 452
2023
Q3
$4.65M Sell
50,878
-55
-0.1% -$5.26K 0.02% 453
2023
Q2
$4.92M Buy
50,933
+829
+2% +$75.5K 0.02% 453
2023
Q1
$4.56M Buy
50,104
+1,081
+2% +$96.5K 0.02% 463
2022
Q4
$4.1M Sell
49,023
-1,603
-3% -$135K 0.02% 467
2022
Q3
$3.97M Buy
50,626
+1,279
+3% +$110K 0.02% 459
2022
Q2
$3.91M Sell
49,347
-13,133
-21% -$1.14M 0.02% 476
2022
Q1
$6.28M Sell
62,480
-3,910
-6% -$389K 0.02% 414
2021
Q4
$7.65M Sell
66,390
-592
-0.9% -$69K 0.02% 394
2021
Q3
$7.51M Buy
66,982
+1,684
+3% +$194K 0.03% 373
2021
Q2
$7.39M Buy
65,298
+107
+0.2% +$11.4K 0.03% 374
2021
Q1
$6.65M Sell
65,191
-3,553
-5% -$371K 0.03% 402
2020
Q4
$7.06M Buy
68,744
+6,402
+10% +$609K 0.03% 371
2020
Q3
$5.39M Sell
62,342
-3,088
-5% -$261K 0.02% 382
2020
Q2
$5.17M Buy
65,430
+6,378
+11% +$463K 0.02% 370
2020
Q1
$3.59M Buy
59,052
+4,122
+8% +$300K 0.02% 398
2019
Q4
$4.19M Sell
54,930
-114
-0.2% -$8.36K 0.02% 431
2019
Q3
$3.89M Sell
55,044
-7,802
-12% -$561K 0.02% 425
2019
Q2
$4.48M Sell
62,846
-2,302
-4% -$160K 0.03% 396
2019
Q1
$4.42M Buy
65,148
+6,306
+11% +$405K 0.03% 394
2018
Q4
$3.35M Buy
58,842
+5,530
+10% +$336K 0.02% 411
2018
Q3
$3.61M Buy
53,312
+2,616
+5% +$174K 0.02% 436
2018
Q2
$3.21M Buy
50,696
+1,296
+3% +$81.6K 0.02% 459
2018
Q1
$3.04M Sell
49,400
-2,528
-5% -$158K 0.02% 464
2017
Q4
$3.13M Buy
51,928
+422
+0.8% +$24.8K 0.02% 464
2017
Q3
$2.92M Hold
51,506
0.02% 461
2017
Q2
$2.78M Buy
51,506
+4,644
+10% +$247K 0.02% 494
2017
Q1
$2.43M Sell
46,862
-2,846
-6% -$145K 0.02% 499
2016
Q4
$2.42M Buy
49,708
+9,030
+22% +$435K 0.02% 455
2016
Q3
$1.98M Buy
40,678
+2,232
+6% +$108K 0.02% 498
2016
Q2
$1.8M Sell
38,446
-17,144
-31% -$793K 0.02% 492
2016
Q1
$2.56M Buy
55,590
+25,210
+83% +$1.09M 0.02% 399
2015
Q4
$1.4M Buy
30,380
+3,040
+11% +$141K 0.01% 548
2015
Q3
$1.21M Sell
27,340
-1,364
-5% -$64.7K 0.01% 693
2015
Q2
$1.39M Sell
28,704
-5,892
-17% -$291K ﹤0.01% 1480
2015
Q1
$1.69M Buy
34,596
+11,710
+51% +$559K ﹤0.01% 1376
2014
Q4
$1.07M Buy
22,886
+4,754
+26% +$215K ﹤0.01% 1481
2014
Q3
$801K Buy
18,132
+1,130
+7% +$50.4K ﹤0.01% 1546
2014
Q2
$761K Buy
17,002
+1,484
+10% +$63.8K ﹤0.01% 1537
2014
Q1
$665K Sell
15,518
-1,200
-7% -$51.1K ﹤0.01% 1536
2013
Q4
$705K Buy
16,718
+366
+2% +$14.8K ﹤0.01% 1479
2013
Q3
$639K Buy
16,352
+1,458
+10% +$55.6K ﹤0.01% 1475
2013
Q2
$534K Buy
+14,894
New +$532K ﹤0.01% 1486

Other funds holding IWP

William Blair & Company's IWP Position: Q2 2026 in Review

William Blair & Company increased its iShares Russell Mid-Cap Growth ETF (IWP) stake by 7.1% in Q2 2026, buying an estimated $457K and bringing the position to 50,288 shares worth $7.36M. The position accounts for 0.02% of the portfolio, ranked #434.

William Blair & Company first reported a position in IWP in Q2 2013 and has held it in 53 quarters since. The position peaked at $7.65M in Q4 2021. 1,214 funds tracked by Wall St. Rank hold IWP as of Q2 2026.

  • William Blair & Company held 50,288 shares of iShares Russell Mid-Cap Growth ETF worth $7.36M as of Q2 2026.
  • William Blair & Company bought 3,313 iShares Russell Mid-Cap Growth ETF shares in Q2 2026, an estimated $457K.
  • iShares Russell Mid-Cap Growth ETF made up 0.02% of William Blair & Company's portfolio in Q2 2026, its #434 holding.
  • William Blair & Company first reported a position in iShares Russell Mid-Cap Growth ETF in Q2 2013 and has held it in 53 quarters since.
  • William Blair & Company's iShares Russell Mid-Cap Growth ETF position peaked at $7.65M in Q4 2021.
  • 1,214 funds tracked by Wall St. Rank held iShares Russell Mid-Cap Growth ETF as of Q2 2026.

Based on William Blair & Company's 13F filing for Q2 2026, filed 11 Aug 2026.