VANGUARD MEGA CAP GROWTH ETF (MGK) Top Institutional Shareholders
VANGUARD MEGA CAP GROWTH ETF (MGK) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $14.43B in MGK holdings during the latest filing period.
Assetmark, Inc is currently the largest disclosed institutional shareholder of MGK tracked by InsiderSet, reporting ownership valued at approximately $3.12B in its March 31, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $755.83M, representing an estimated loss of -75.76% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 57% of the total disclosed MGK value among the investors covered in this analysis. Major shareholders include Assetmark, Inc, Cassaday & Co Wealth Management Llc, Morgan Stanley, and several other long-term asset managers with concentrated positions in VANGUARD MEGA CAP GROWTH ETF (MGK).
This page ranks the largest institutional MGK shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
939
Total Reported Value
$14.43B
Largest Holder
Assetmark, Inc
Largest Position
$3.12B
Insider Transactions (90d)
0
Latest Filing Quarter
Q2 2026
New Institutional Positions
51
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Assetmark, Inc | 6.36% | 8,486,761 | $3,118,375,350 | $755,830,935 | -$2,362,544,415 | -75.76% | |
| Cassaday & Co Wealth Management Llc | 29.11% | 3,719,368 | $1,366,644,683 | $331,246,914 | -$1,035,397,769 | -75.76% | |
| Morgan Stanley | 0.06% | 2,549,417 | $936,758,370 | $227,051,078 | -$709,707,292 | -75.76% | |
| Bank Of America Corp | 0.05% | 2,033,250 | $747,097,474 | $181,081,245 | -$566,016,229 | -75.76% | |
| Lpl Financial Llc | 0.11% | 1,154,761 | $424,305,379 | $102,843,015 | -$321,462,364 | -75.76% | |
| Ubs Group Ag | 0.07% | 1,037,729 | $381,303,143 | $92,420,145 | -$288,882,998 | -75.76% | |
| Captrust Financial Advisors | 0.56% | 869,407 | $319,402,835 | $77,429,387 | -$241,973,448 | -75.76% | |
| Vantagepoint Investment Advisers Llc | 2.67% | 859,017 | $315,637,206 | $76,504,054 | -$239,133,152 | -75.76% | |
| Ameriprise Financial Inc | 0.07% | 796,750 | $292,771,672 | $70,958,555 | -$221,813,117 | -75.76% | |
| Wells Fargo & Company/Mn | 0.05% | 749,477 | $275,388,052 | $66,748,422 | -$208,639,630 | -75.76% | |
| Envestnet Asset Management Inc | 0.07% | 711,289 | $261,356,211 | $63,347,398 | -$198,008,813 | -75.76% | |
| Angeles Wealth Management, Llc | 11.42% | 571,184 | $209,875,830 | $50,869,647 | -$159,006,183 | -75.76% | |
| Cerity Partners Llc | 0.28% | 541,188 | $200,735,382 | $48,198,203 | -$152,537,179 | -75.99% | |
| Merit Financial Group, Llc | 1.48% | 542,393 | $199,296,899 | $48,305,521 | -$150,991,378 | -75.76% | |
| Pnc Financial Services Group, Inc. | 0.12% | 531,663 | $195,354,108 | $47,349,907 | -$148,004,201 | -75.76% | |
| Royal Bank Of Canada | 0.03% | 466,332 | $171,349,000 | $41,531,528 | -$129,817,472 | -75.76% | |
| Howard Capital Management Inc. | 2.73% | 454,704 | $167,076,438 | $40,495,938 | -$126,580,500 | -75.76% | |
| Raymond James Financial Inc | 0.05% | 434,071 | $159,495,285 | $38,658,363 | -$120,836,922 | -75.76% | |
| Facet Wealth, Inc. | 2.08% | 326,511 | $119,973,153 | $29,079,070 | -$90,894,083 | -75.76% | |
| Kensington Asset Management, Llc | 5.63% | 261,800 | $108,908,800 | $23,315,908 | -$85,592,892 | -78.59% | |
| Falcon Wealth Planning | 6.67% | 1,198,494 | $105,359,603 | $106,737,876 | +$1,378,273 | +1.31% | |
| Osaic Holdings, Inc. | 0.15% | 286,053 | $105,168,588 | $25,475,880 | -$79,692,708 | -75.78% | |
| Petredis Investment Advisors Llc | 8.27% | 275,168 | $101,107,603 | $24,506,462 | -$76,601,141 | -75.76% | |
| Two Sigma Investments, Lp | 0.08% | 254,840 | $93,638,410 | $22,696,050 | -$70,942,360 | -75.76% | |
| Rockefeller Capital Management L.P. | 0.16% | 239,281 | $87,921,493 | $21,310,366 | -$66,611,127 | -75.76% | |
| Portfolio Strategies, Inc. | 10.67% | 234,679 | $86,530,454 | $20,900,512 | -$65,629,942 | -75.85% | |
| Strategic Investment Advisors / Mi | 5.97% | 235,025 | $86,436,560 | $20,931,327 | -$65,505,234 | -75.78% | |
| Hightower Advisors, Llc | 0.09% | 226,497 | $83,225,907 | $20,171,823 | -$63,054,084 | -75.76% | |
| Fifth Third Bancorp | 0.15% | 226,498 | $83,224,562 | $20,171,912 | -$63,052,650 | -75.76% | |
| Black Diamond Financial, Llc | 8.36% | 208,474 | $76,601,673 | $18,566,694 | -$58,034,979 | -75.76% | |
| Praetorian Wealth Management, Inc. | 12.97% | 855,232 | $75,183,473 | $76,166,962 | +$983,489 | +1.31% | |
| Mariner, Llc | 0.08% | 195,895 | $71,952,112 | $17,446,409 | -$54,505,703 | -75.75% | |
| Stifel Financial Corp | 0.06% | 192,273 | $70,654,804 | $17,123,833 | -$53,530,971 | -75.76% | |
| Commonwealth Equity Services, Llc | 0.10% | 188,628 | $69,309,589 | $16,799,210 | -$52,510,379 | -75.76% | |
| Ifc Advisors Llc | 9.86% | 187,508 | $68,897,841 | $16,699,462 | -$52,198,379 | -75.76% | |
| Prime Capital Investment Advisors, Llc | 0.79% | 185,052 | $67,995,663 | $16,480,731 | -$51,514,932 | -75.76% | |
| Northwestern Mutual Wealth Management Co | 0.04% | 173,959 | $63,919,666 | $15,492,789 | -$48,426,877 | -75.76% | |
| Gratus Wealth Advisors, Llc | 8.64% | 162,614 | $59,751,012 | $14,482,403 | -$45,268,609 | -75.76% | |
| Cetera Investment Advisers | 0.06% | 156,790 | $57,610,990 | $13,963,717 | -$43,647,273 | -75.76% | |
| Leelyn Smith, Llc | 7.83% | 152,036 | $55,864,214 | $13,540,326 | -$42,323,888 | -75.76% | |
| Beacon Capital Management, Llc | 8.78% | 135,363 | $49,737,597 | $12,055,429 | -$37,682,168 | -75.76% | |
| Creative Planning | 0.03% | 134,579 | $49,449,578 | $11,985,606 | -$37,463,972 | -75.76% | |
| Leavell Investment Management, Inc. | 1.90% | 126,300 | $46,407,769 | $11,248,278 | -$35,159,491 | -75.76% | |
| Hengehold Capital Management Llc | 3.82% | 119,065 | $43,749,356 | $10,603,929 | -$33,145,427 | -75.76% | |
| Fc Advisory Llc | 10.69% | 459,040 | $40,354,177 | $40,882,102 | +$527,925 | +1.31% | |
| Etf Portfolio Partners, Inc. | 9.20% | 440,043 | $38,684,189 | $39,190,230 | +$506,041 | +1.31% | |
| Bernardo Wealth Planning Llc | 7.48% | 103,956 | $38,197,560 | $9,258,321 | -$28,939,239 | -75.76% | |
| Lido Advisors, Llc | 0.15% | 103,174 | $37,910,453 | $9,188,676 | -$28,721,777 | -75.76% | |
| Btg Pactual Asset Management Us Llc | 3.50% | 97,943 | $35,988,176 | $8,722,804 | -$27,265,372 | -75.76% | |
| Means Investment Co., Inc. | 3.07% | 95,771 | $35,190,149 | $8,529,365 | -$26,660,784 | -75.76% |
Frequently asked questions about MGK
Who owns the most MGK stock?
The largest holders of MGK are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for VANGUARD MEGA CAP GROWTH ETF (MGK).
Is MGK widely held by superinvestors?
Many widely followed stocks like MGK appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly MGK is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.