BlackRock’s Vanguard Mega Cap 300 Index ETF MGC Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$6.59M Sell
27,893
-5,207
-16% -$1.29M ﹤0.01% 3720
2025
Q4
$8.31M Buy
33,100
+20,470
+162% +$5.09M ﹤0.01% 3579
2025
Q3
$3.08M Buy
12,630
+4,460
+55% +$1.04M ﹤0.01% 3962
2025
Q2
$1.84M Buy
8,170
+575
+8% +$119K ﹤0.01% 4079
2025
Q1
$1.53M Hold
7,595
﹤0.01% 4071
2024
Q4
$1.62M Buy
7,595
+6,540
+620% +$1.39M ﹤0.01% 4090
2024
Q3
$218K Hold
1,055
﹤0.01% 4511
2024
Q2
$208K Buy
+1,055
New +$198K ﹤0.01% 4540
2023
Q1
Sell
-111
Closed -$14.6K 5656
2022
Q4
$14.6K Sell
111
-2
-2% -$267 ﹤0.01% 5412
2022
Q3
$14K Hold
113
﹤0.01% 5560
2022
Q2
$15K Buy
113
+73
+183% +$10.5K ﹤0.01% 5588
2022
Q1
$6K Hold
40
﹤0.01% 5665
2021
Q4
$7K Buy
40
+15
+60% +$2.45K ﹤0.01% 5623
2021
Q3
$4K Sell
25
-3
-11% -$471 ﹤0.01% 5495
2021
Q2
$4K Buy
28
+3
+12% +$444 ﹤0.01% 5388
2021
Q1
$4K Hold
25
﹤0.01% 5158
2020
Q4
$3K Hold
25
﹤0.01% 4957
2020
Q3
$3K Hold
25
﹤0.01% 4903
2020
Q2
$3K Sell
25
-7
-22% -$724 ﹤0.01% 4879
2020
Q1
$3K Sell
32
-45
-58% -$4.8K ﹤0.01% 4812
2019
Q4
$9K Hold
77
﹤0.01% 4746
2019
Q3
$8K Buy
77
+58
+305% +$5.93K ﹤0.01% 4735
2019
Q2
$2K Hold
19
﹤0.01% 4918
2019
Q1
$2K Hold
19
﹤0.01% 4833
2018
Q4
$2K Hold
19
﹤0.01% 4835
2018
Q3
$2K Hold
19
﹤0.01% 4891
2018
Q2
$2K Hold
19
﹤0.01% 4908
2018
Q1
$2K Hold
19
﹤0.01% 4818
2017
Q4
$2K Hold
19
﹤0.01% 4812
2017
Q3
$2K Hold
19
﹤0.01% 4848
2017
Q2
$2K Hold
19
﹤0.01% 4908
2017
Q1
$2K Hold
19
﹤0.01% 4896
2016
Q4
$1K Sell
19
-12
-39% -$895 ﹤0.01% 3692
2016
Q3
$2K Hold
31
﹤0.01% 3610
2016
Q2
$2K Buy
31
+24
+343% +$1.7K ﹤0.01% 3645
2016
Q1
$0 Hold
7
﹤0.01% 3712
2015
Q4
$0 Buy
+7
New +$491 ﹤0.01% 3490

Other funds holding MGC

BlackRock's MGC Position: Q1 2026 in Review

BlackRock reduced its Vanguard Mega Cap 300 Index ETF (MGC) stake by 16% in Q1 2026, selling an estimated $1.29M and leaving 27,893 shares worth $6.59M. The position accounts for ﹤0.01% of the portfolio, ranked #3720.

BlackRock first reported a position in MGC in Q4 2015 and has held it in 37 quarters since. The position peaked at $8.31M in Q4 2025. 505 funds tracked by Wall St. Rank hold MGC as of Q1 2026.

  • BlackRock held 27,893 shares of Vanguard Mega Cap 300 Index ETF worth $6.59M as of Q1 2026.
  • BlackRock sold 5,207 Vanguard Mega Cap 300 Index ETF shares in Q1 2026, an estimated $1.29M.
  • Vanguard Mega Cap 300 Index ETF made up ﹤0.01% of BlackRock's portfolio in Q1 2026, its #3720 holding.
  • BlackRock first reported a position in Vanguard Mega Cap 300 Index ETF in Q4 2015 and has held it in 37 quarters since.
  • BlackRock's Vanguard Mega Cap 300 Index ETF position peaked at $8.31M in Q4 2025.
  • 505 funds tracked by Wall St. Rank held Vanguard Mega Cap 300 Index ETF as of Q1 2026.

Based on BlackRock's 13F filing for Q1 2026, filed 13 May 2026.