William Blair Investment Management
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William Blair Investment Management’s iShares Russell Mid-Cap Growth ETF IWP Stock Holding History

William Blair Investment Management’s Portfolio IWP Stock Details IWP Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q2 		– Sell
-860
Closed -$101K – 441
2025
Q1 		$101K Buy
+860
New +$111K ﹤0.01% 423
2022
Q3 		– Sell
-608
Closed -$48K – 404
2022
Q2 		$48K Buy
608
+368
+153% +$32K ﹤0.01% 401
2022
Q1 		$24K Sell
240
-2,890
-92% -$288K ﹤0.01% 439
2021
Q4 		$361K Buy
+3,130
New +$365K ﹤0.01% 411
2021
Q3 		– Sell
-1,921
Closed -$217K – 474
2021
Q2 		$217K Sell
1,921
-1,609
-46% -$172K ﹤0.01% 366
2021
Q1 		$360K Buy
3,530
+1,740
+97% +$182K ﹤0.01% 366
2020
Q4 		$184K Sell
1,790
-780
-30% -$74.2K ﹤0.01% 353
2020
Q3 		$222K Sell
2,570
-3,182
-55% -$269K ﹤0.01% 341
2020
Q2 		$455K Buy
5,752
+3,938
+217% +$286K ﹤0.01% 337
2020
Q1 		$110K Sell
1,814
-1,906
-51% -$139K ﹤0.01% 337
2019
Q4 		$284K Hold
3,720
– – ﹤0.01% 353
2019
Q3 		$263K Sell
3,720
-1,350
-27% -$97K ﹤0.01% 355
2019
Q2 		$361K Buy
5,070
+1,050
+26% +$73K ﹤0.01% 368
2019
Q1 		$273K Buy
+4,020
New +$258K ﹤0.01% 403
2018
Q4 		– Sell
-6,960
Closed -$472K – 420
2018
Q3 		$472K Buy
6,960
+2,000
+40% +$133K ﹤0.01% 415
2018
Q2 		$314K Buy
4,960
+1,980
+66% +$125K ﹤0.01% 455
2018
Q1 		$183K Sell
2,980
-2,900
-49% -$181K ﹤0.01% 430
2017
Q4 		$355K Buy
+5,880
New +$346K ﹤0.01% 423
2017
Q2 		– Sell
-4,598
Closed -$239K – 463
2017
Q1 		$239K Sell
4,598
-1,560
-25% -$79.6K ﹤0.01% 432
2016
Q4 		$300K Buy
6,158
+158
+3% +$7.62K ﹤0.01% 430
2016
Q3 		$292K Sell
6,000
-80
-1% -$3.88K ﹤0.01% 435
2016
Q2 		$284K Buy
6,080
+20
+0.3% +$925 ﹤0.01% 447
2016
Q1 		$279K Buy
6,060
+880
+17% +$38K ﹤0.01% 445
2015
Q4 		$238K Buy
+5,180
New +$241K ﹤0.01% 443

Other funds holding IWP

Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return
Jones Financial Companies
Jones Financial Companies Des Peres, Missouri $208B AUM 16.12% 1-Year Est. Return
Wells Fargo
Wells Fargo San Francisco, California $530B AUM 22.01% 1-Year Est. Return
TIAA Trust, National Association
TIAA Trust, National Association Charlotte, North Carolina $1.65B AUM 16.63% 1-Year Est. Return
Ameriprise
Ameriprise Minneapolis, Minnesota $432B AUM 30.22% 1-Year Est. Return
Commonwealth Equity Services
Commonwealth Equity Services Waltham, Massachusetts $71.6B AUM 21.08% 1-Year Est. Return
PNC Financial Services Group
PNC Financial Services Group Pittsburgh, Pennsylvania $173B AUM 20.72% 1-Year Est. Return
LPL Financial
LPL Financial San Diego, California $377B AUM 19.32% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return

William Blair Investment Management's IWP Position: Q2 2025 in Review

William Blair Investment Management sold out of iShares Russell Mid-Cap Growth ETF (IWP) in Q2 2025, closing a stake of 860 shares — an estimated $101K sold.

William Blair Investment Management first reported a position in IWP in Q4 2015 and held it in 24 quarters. The position peaked at $472K in Q3 2018. 1,164 funds tracked by Wall St. Rank hold IWP as of Q2 2025.

  • William Blair Investment Management reported no remaining iShares Russell Mid-Cap Growth ETF position as of Q2 2025 after selling out during the quarter.
  • William Blair Investment Management sold 860 iShares Russell Mid-Cap Growth ETF shares in Q2 2025, an estimated $101K.
  • William Blair Investment Management first reported a position in iShares Russell Mid-Cap Growth ETF in Q4 2015 and held it in 24 quarters.
  • William Blair Investment Management's iShares Russell Mid-Cap Growth ETF position peaked at $472K in Q3 2018.
  • 1,164 funds tracked by Wall St. Rank held iShares Russell Mid-Cap Growth ETF as of Q2 2025.

Based on William Blair Investment Management's 13F filing for Q2 2025, filed 29 Jul 2025.