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Vanguard Mega Cap Growth ETF
MGK

901 hedge funds and large institutions have $16.6B invested in Vanguard Mega Cap Growth ETF in 2025 Q3 according to their latest regulatory filings, with 93 funds opening new positions, 310 increasing their positions, 275 reducing their positions, and 41 closing their positions.

New
Increased
Maintained
Reduced
Closed

294% more call options, than puts

Call options by funds: $38.5M | Put options by funds: $9.77M

127% more first-time investments, than exits

New positions opened: 93 | Existing positions closed: 41

14% more capital invested

Capital invested by funds: $14.6B → $16.6B (+$2.05B)

13% more repeat investments, than reductions

Existing positions increased: 310 | Existing positions reduced: 275

5% more funds holding in top 10

Funds holding in top 10: 63 → 66 (+3)

5% more funds holding

Funds holding: 862 → 901 (+39)

0.73% more ownership

Funds ownership: 268.26% → 268.99% (+0.73%)

Holders
901
Holders Change
+39
Holders Change %
+4.52%
% of All Funds
11.82%
Holding in Top 10
66
Holding in Top 10 Change
+3
Holding in Top 10 Change %
+4.76%
% of All Funds
0.87%
New
93
Increased
310
Reduced
275
Closed
41
Calls
$38.5M
Puts
$9.77M
Net Calls
+$28.7M
Net Calls Change
+$2.33M

Top Buyers

Rank Fund Capital Flow
1
VIA
Vantagepoint Investment Advisers
District of Columbia
+$320M
2
AssetMark Inc
AssetMark Inc
California
+$214M
3
MFG
Merit Financial Group
Georgia
+$69.5M
4
UBS Group
UBS Group
Switzerland
+$46.9M
5
DIP
DT Investment Partners
Pennsylvania
+$33.6M

Top Sellers

Rank Fund Capital Flow
1
SIA
Strategic Investment Advisors
Michigan
-$62.7M
2
AT
American Trust
Kentucky
-$42M
3
AIA
Angeles Investment Advisors
California
-$38.1M
4
CAPTRUST Financial Advisors
CAPTRUST Financial Advisors
North Carolina
-$27.9M
5
BPA
Beacon Pointe Advisors
California
-$27.7M
Name Holding Trade Value Shares
Change 		Change in
Stake
CIA
351
Choate Investment Advisors
Massachusetts
$1.45M – – –
KFGK
352
Keystone Financial Group (Kentucky)
Kentucky
$1.45M -$67.2K -875 -5%
EWM
353
Echo Wealth Management
Minnesota
$1.44M – – –
CIA
354
Capital Investment Advisors
Georgia
$1.44M +$162K +2,105 +13%
CAG
355
Csenge Advisory Group
Florida
$1.43M -$111K -1,445 -8%
JCM
356
Jacobi Capital Management
Pennsylvania
$1.43M +$767 +10 +0.1%
ANHIM
357
Alan N. Hoffman Investment Management
Massachusetts
$1.42M – – –
Renaissance Technologies
358
Renaissance Technologies
New York
$1.41M -$2.84M -37,000 -68%
VPIM
359
Vanguard Personalized Indexing Management
California
$1.39M -$36.5K -475 -3%
DAS
360
Diversify Advisory Services
Utah
$1.38M -$5.37K -70 -0.4%
SMA
361
Sage Mountain Advisors
Georgia
$1.38M -$20.3K -265 -2%
EA
362
Eclectic Associates
California
$1.38M -$345K -4,500 -21%
AC
363
Avestar Capital
New York
$1.38M – – –
TCWA
364
Turtle Creek Wealth Advisors
Texas
$1.37M – – –
FSA
365
Fort Sheridan Advisors
Illinois
$1.37M +$297K +3,870 +29%
CPL
366
CAP Partners LLC
Tennessee
$1.37M +$382K +4,980 +41%
RWM
367
Ritholtz Wealth Management
New York
$1.36M +$958K +12,480 +282%
MAG
368
M3 Advisory Group
Massachusetts
$1.36M +$67.2K +875 +5%
SW
369
Simplicity Wealth
New Jersey
$1.36M -$2.23M -29,115 -63%
FHC
370
First Horizon Corporation
Tennessee
$1.35M +$1.29M +16,790 New
BAM
371
Belpointe Asset Management
Nevada
$1.33M -$302K -3,940 -19%
Vontobel Holding
372
Vontobel Holding
Switzerland
$1.32M -$106K -1,385 -8%
SGCA
373
Steel Grove Capital Advisors
Tennessee
$1.32M – – –
KWM
374
Kassira Wealth Management
Tennessee
$1.31M +$1.25M +16,250 New
PS
375
Principal Securities
Iowa
$1.3M +$266K +3,460 +27%
13 14
15
16 17

MGK Hedge Fund Activity: Q3 2025 in Review

901 of the 7,620 institutional investors tracked by Wall St. Rank reported a position in Vanguard Mega Cap Growth ETF (MGK) for Q3 2025, worth a combined $16.6B — up 14% from $14.6B a quarter earlier.

Buyers outnumbered sellers: 93 funds opened new MGK positions and 41 closed out — a net gain of 52 holders — while 310 added to existing stakes and 275 trimmed.

The largest buyer was Vantagepoint Investment Advisers, opening a new position worth an estimated $320M. The largest seller was Strategic Investment Advisors, cutting an estimated $62.7M.

  • 901 institutional investors held Vanguard Mega Cap Growth ETF (MGK) as of Q3 2025, up from 862 in Q2 2025.
  • Funds reported $16.6B of Vanguard Mega Cap Growth ETF stock for Q3 2025, up 14% quarter-over-quarter.
  • 93 funds opened new Vanguard Mega Cap Growth ETF positions in Q3 2025 and 41 closed out, a net change of +52 holders.
  • The largest Vanguard Mega Cap Growth ETF buyer in Q3 2025 was Vantagepoint Investment Advisers, an estimated $320M added.
  • The largest Vanguard Mega Cap Growth ETF seller in Q3 2025 was Strategic Investment Advisors, an estimated $62.7M sold.

Based on aggregated 13F filings for Q3 2025.