William Blair & Company’s Vanguard S&P Mid-Cap 400 Growth ETF IVOG Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$1.48M Sell
11,849
-4,006
-25% -$511K ﹤0.01% 826
2025
Q4
$1.91M Buy
15,855
+1
+0% +$120 0.01% 757
2025
Q3
$1.89M Buy
15,854
+35
+0.2% +$4.1K 0.01% 743
2025
Q2
$1.79M Sell
15,819
-488
-3% -$51.9K 0.01% 747
2025
Q1
$1.68M Buy
16,307
+348
+2% +$38.9K 0.01% 759
2024
Q4
$1.8M Buy
15,959
+100
+0.6% +$11.7K 0.01% 734
2024
Q3
$1.82M Sell
15,859
-290
-2% -$32.3K 0.01% 737
2024
Q2
$1.77M Buy
16,149
+45
+0.3% +$4.94K 0.01% 716
2024
Q1
$1.83M Sell
16,104
-766
-5% -$79.3K 0.01% 696
2023
Q4
$1.66M Sell
16,870
-458
-3% -$41.9K 0.01% 717
2023
Q3
$1.56M Buy
17,328
+470
+3% +$44.1K 0.01% 725
2023
Q2
$1.58M Hold
16,858
0.01% 718
2023
Q1
$1.5M Sell
16,858
-260
-2% -$23K 0.01% 726
2022
Q4
$1.45M Sell
17,118
-944
-5% -$80.9K 0.01% 716
2022
Q3
$1.42M Buy
18,062
+1,130
+7% +$97K 0.01% 708
2022
Q2
$1.34M Hold
16,932
0.01% 749
2022
Q1
$1.63M Buy
16,932
+1,928
+13% +$185K 0.01% 754
2021
Q4
$1.59M Sell
15,004
-340
-2% -$35.4K 0.01% 796
2021
Q3
$1.51M Buy
15,344
+20
+0.1% +$2.01K 0.01% 775
2021
Q2
$1.54M Sell
15,324
-858
-5% -$85.4K 0.01% 780
2021
Q1
$1.57M Sell
16,182
-1,290
-7% -$123K 0.01% 761
2020
Q4
$1.56M Buy
17,472
+172
+1% +$14.3K 0.01% 717
2020
Q3
$1.29M Buy
17,300
+302
+2% +$22.3K 0.01% 687
2020
Q2
$1.18M Buy
16,998
+748
+5% +$48.1K 0.01% 683
2020
Q1
$897K Buy
16,250
+864
+6% +$58.8K 0.01% 702
2019
Q4
$1.13M Buy
15,386
+2,288
+17% +$163K 0.01% 746
2019
Q3
$913K Buy
13,098
+1,362
+12% +$95.1K 0.01% 775
2019
Q2
$823K Buy
11,736
+7,616
+185% +$523K ﹤0.01% 816
2019
Q1
$279K Buy
+4,120
New +$268K ﹤0.01% 1167

Other funds holding IVOG

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

William Blair & Company reduced its Vanguard S&P Mid-Cap 400 Growth ETF (IVOG) stake by 25% in Q1 2026, selling an estimated $511K and leaving 11,849 shares worth $1.48M. The position accounts for ﹤0.01% of the portfolio, ranked #826.

William Blair & Company first reported a position in IVOG in Q1 2019 and has held it in 29 quarters since. The position peaked at $1.91M in Q4 2025. 178 funds tracked by Wall St. Rank hold IVOG as of Q1 2026.

  • William Blair & Company held 11,849 shares of Vanguard S&P Mid-Cap 400 Growth ETF worth $1.48M as of Q1 2026.
  • William Blair & Company sold 4,006 Vanguard S&P Mid-Cap 400 Growth ETF shares in Q1 2026, an estimated $511K.
  • Vanguard S&P Mid-Cap 400 Growth ETF made up ﹤0.01% of William Blair & Company's portfolio in Q1 2026, its #826 holding.
  • William Blair & Company first reported a position in Vanguard S&P Mid-Cap 400 Growth ETF in Q1 2019 and has held it in 29 quarters since.
  • William Blair & Company's Vanguard S&P Mid-Cap 400 Growth ETF position peaked at $1.91M in Q4 2025.
  • 178 funds tracked by Wall St. Rank held Vanguard S&P Mid-Cap 400 Growth ETF as of Q1 2026.

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