William Blair & Company
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William Blair & Company’s Vanguard Morningstar Mega Cap Value ETF MGV Stock Holding History

William Blair & Company’s Portfolio MGV Stock Details MGV Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$2.75M Sell
18,984
-16,966
-47% -$2.51M 0.01% 652
2025
Q4 		$5.07M Buy
35,950
+13,670
+61% +$1.9M 0.01% 511
2025
Q3 		$3.07M Buy
22,280
+729
+3% +$97.5K 0.01% 629
2025
Q2 		$2.83M Buy
21,551
+4,840
+29% +$607K 0.01% 631
2025
Q1 		$2.15M Sell
16,711
-2,175
-12% -$281K 0.01% 696
2024
Q4 		$2.36M Buy
18,886
+2,848
+18% +$368K 0.01% 673
2024
Q3 		$2.06M Sell
16,038
-1,290
-7% -$159K 0.01% 705
2024
Q2 		$2.05M Sell
17,328
-1,709
-9% -$201K 0.01% 679
2024
Q1 		$2.28M Buy
19,037
+2,890
+18% +$327K 0.01% 646
2023
Q4 		$1.77M Sell
16,147
-172
-1% -$17.8K 0.01% 702
2023
Q3 		$1.65M Buy
16,319
+3,309
+25% +$347K 0.01% 706
2023
Q2 		$1.35M Buy
13,010
+1,404
+12% +$143K ﹤0.01% 755
2023
Q1 		$1.17M Sell
11,606
-3,973
-26% -$406K ﹤0.01% 795
2022
Q4 		$1.6M Buy
15,579
+10,474
+205% +$1.05M 0.01% 695
2022
Q3 		$459K Sell
5,105
-135
-3% -$13.3K ﹤0.01% 1070
2022
Q2 		$504K Sell
5,240
-524
-9% -$53.7K ﹤0.01% 1061
2022
Q1 		$619K Buy
5,764
+1,224
+27% +$130K ﹤0.01% 1079
2021
Q4 		$485K Buy
4,540
+1,699
+60% +$176K ﹤0.01% 1224
2021
Q3 		$278K Hold
2,841
– – ﹤0.01% 1363
2021
Q2 		$283K Buy
2,841
+128
+5% +$12.7K ﹤0.01% 1362
2021
Q1 		$258K Hold
2,713
– – ﹤0.01% 1393
2020
Q4 		$236K Sell
2,713
-450
-14% -$36.9K ﹤0.01% 1361
2020
Q3 		$243K Buy
3,163
+1,131
+56% +$86.8K ﹤0.01% 1217
2020
Q2 		$149K Buy
2,032
+907
+81% +$65.6K ﹤0.01% 1310
2020
Q1 		$74K Sell
1,125
-175
-13% -$14K ﹤0.01% 1352
2019
Q4 		$113K Hold
1,300
– – ﹤0.01% 1391
2019
Q3 		$106K Sell
1,300
-95
-7% -$7.64K ﹤0.01% 1370
2019
Q2 		$112K Sell
1,395
-152
-10% -$12K ﹤0.01% 1408
2019
Q1 		$121K Hold
1,547
– – ﹤0.01% 1381
2018
Q4 		$111K Hold
1,547
– – ﹤0.01% 1304
2018
Q3 		$124K Buy
1,547
+501
+48% +$39.4K ﹤0.01% 1358
2018
Q2 		$78K Buy
1,046
+1
+0.1% +$75 ﹤0.01% 1366
2018
Q1 		$77K Buy
+1,045
New +$80.6K ﹤0.01% 1298

Other funds holding MGV

AssetMark Inc
AssetMark Inc Concord, California $58.2B AUM 22.78% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Ameriprise
Ameriprise Minneapolis, Minnesota $432B AUM 30.22% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return
MFG
Merit Financial Group Alpharetta, Georgia $16.4B AUM 25.17% 1-Year Est. Return
Envestnet Asset Management
Envestnet Asset Management Chicago, Illinois $424B AUM 22.96% 1-Year Est. Return
PNC Financial Services Group
PNC Financial Services Group Pittsburgh, Pennsylvania $202B AUM 37.79% 1-Year Est. Return
LPL Financial
LPL Financial San Diego, California $445B AUM 25.58% 1-Year Est. Return
Wells Fargo
Wells Fargo San Francisco, California $530B AUM 22.01% 1-Year Est. Return

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

William Blair & Company reduced its Vanguard Morningstar Mega Cap Value ETF (MGV) stake by 47% in Q1 2026, selling an estimated $2.51M and leaving 18,984 shares worth $2.75M. The position accounts for 0.01% of the portfolio, ranked #652.

William Blair & Company first reported a position in MGV in Q1 2018 and has held it in 33 quarters since. The position peaked at $5.07M in Q4 2025. 570 funds tracked by Wall St. Rank hold MGV as of Q1 2026.

  • William Blair & Company held 18,984 shares of Vanguard Morningstar Mega Cap Value ETF worth $2.75M as of Q1 2026.
  • William Blair & Company sold 16,966 Vanguard Morningstar Mega Cap Value ETF shares in Q1 2026, an estimated $2.51M.
  • Vanguard Morningstar Mega Cap Value ETF made up 0.01% of William Blair & Company's portfolio in Q1 2026, its #652 holding.
  • William Blair & Company first reported a position in Vanguard Morningstar Mega Cap Value ETF in Q1 2018 and has held it in 33 quarters since.
  • William Blair & Company's Vanguard Morningstar Mega Cap Value ETF position peaked at $5.07M in Q4 2025.
  • 570 funds tracked by Wall St. Rank held Vanguard Morningstar Mega Cap Value ETF as of Q1 2026.

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