13F Insight
DOSSIER · 13F-HR · Q3 2026

ASSETMARK, INC

$59.5B in tracked AUM across 3,773 positions as of Q3 2026.

AI
CIK 0001344551 · last filed Sep 30, 2026
Total AUM
$59.5B
as of Q3 2026
Holdings
3,773
—
positions
Whale Score
72
72
strong
Activity
—
no data
changes this Q
AI Analysis · Q3 2026
Comprehensive Analysis of ASSETMARK, INC 13F Filing
1. Portfolio Overview

ASSETMARK, INC reported a significant expansion in its managed assets for the quarter ending December 31, 2025. The total portfolio value surged by 137.5%, rising from $20.65B to $49.04B. This dramatic increase suggests substantial capital inflows, likely driven by net new asset acquisitions on the platform rather than solely market appreciation.

The portfolio is highly diversified, comprising **3,3...

2. Key Holdings

The portfolio is dominated by Exchange-Traded Funds (ETFs), with the top three positions all being Vanguard funds:

  • MGK (Vanguard Mega Cap Growth ETF): The largest holding at $3.55B (7.23% of the portfolio), indicating a strong tilt toward large-cap growth companies.
  • MGV (Vanguard Mega Cap Value ETF): The second-largest holding at $2.18B (4.44%), providing a counterbalance to the growth allocation.
  • VOO (Vanguard S&P 500 ETF): A core holding at $2.17B (4.43%), offering broad U.S. equity exposure.
Analysis generated by 13F Insight from SEC Form 13F filing data · Q3 2026. Methodology

Quarter at a glance — Q3 2026

Position-change comparison pending.

No quarter-over-quarter changes available.

Top 10 holdings

By portfolio weight as of Q3 2026.

#HoldingValueSharesWeight
01
MGK
VANGUARD WORLD FD
$4.0B43.7M6.8%02
VOO
VANGUARD INDEX FDS
$2.9B4.2M4.9%03
MGV
VANGUARD WORLD FD
$2.5B15.7M4.3%04
NVDA
NVIDIA CORPORATION
$1.4B6.2M2.4%05
MINT
PIMCO ETF TR
$1.2B11.7M2.0%06
MSFT
MICROSOFT CORP
$1.1B2.1M1.8%07
AAPL
APPLE INC
$1.0B3.1M1.8%08
VBR
VANGUARD INDEX FDS
$1.0B4.5M1.7%09
GOOGL
ALPHABET INC
$979M2.8M1.6%10
IEFA
ISHARES TR
$946M9.8M1.6%

Filing history

2026Q3Sep 30
$59.5B▲ 2.3%
3,773 positionsView →2026Q2Jun 30
$58.2B▲ 18.6%
3,558 positionsView →2025Q4Dec 31
$49.0B▲ 5.1%
3,370 positionsView →2025Q3Sep 30
$46.6B▲ 10.1%
3,181 positionsLocked2025Q2Jun 30
$42.4B▲ 16.3%
3,003 positionsLocked2025Q1Mar 31
$36.4B▼ 1.1%
2,623 positionsLocked2024Q4Dec 31
$36.8B▲ 5.4%
2,590 positionsLocked2024Q3Sep 30
$34.9B▲ 8.0%
2,254 positionsLocked2024Q2Jun 30
$32.3B▲ 5.1%
2,101 positionsLocked2024Q1Mar 31
$30.8B▲ 11.2%
1,935 positionsLocked2023Q4Dec 31
$27.7B▲ 10.7%
1,836 positionsLocked2023Q3Sep 30
$25.0B▼ 1.9%
1,742 positionsLocked
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