13F Insight
DOSSIER · 13F-HR · Q2 2026

MainStreet Investment Advisors LLC

$734M in tracked AUM across 166 positions as of Q2 2026.

MI
CIK 0001729854 · last filed Jun 30, 2026
Total AUM
$734M
as of Q2 2026
Holdings
166
—
positions
Whale Score
52
52
tracked
Activity
—
no data
changes this Q
AI Analysis · Q2 2026

MainStreet Investment Advisors LLC filed its latest 13F-HR for Q2 2026. See the latest holdings and position changes below.

Quarter at a glance — Q2 2026

Position-change comparison pending.

No quarter-over-quarter changes available.

Top 10 holdings

By portfolio weight as of Q2 2026.

#HoldingValueSharesWeight
01
IJH
iShares Core S&P Mid-Cap ETF
$46M596K6.3%02
EFA
iShares MSCI EAFE ETF
$42M405K5.7%03
AAPL
Apple Inc
$37M129K5.1%04
VGSH
Vanguard Short-Term Treasury E
$29M502K4.0%05
MSFT
Microsoft Corp
$25M68K3.4%06
GOOGL
Alphabet Inc
$22M63K3.1%07
IJR
iShares Core S&P Small-Cap ETF
$21M144K2.9%08
JPM
JPMorgan Chase & Co
$21M63K2.8%09
IVV
iShares Core S&P 500 ETF
$17M23K2.4%10
CAT
Caterpillar Inc
$17M16K2.4%

Filing history

2026Q2Jun 30
$734M▲ 10.5%
166 positionsView →2026Q1Mar 31
$665M▼ 4.5%
158 positionsView →2025Q4Dec 31
$696M▼ 6.5%
159 positionsView →2025Q3Sep 30
$744M▲ 2.9%
161 positionsLocked2025Q2Jun 30
$723M▲ 5.2%
155 positionsLocked2025Q1Mar 31
$687M▼ 3.7%
156 positionsLocked2024Q4Dec 31
$713M▼ 5.2%
150 positionsLocked2024Q3Sep 30
$753M▼ 7.9%
156 positionsLocked2024Q2Jun 30
$817M▼ 1.8%
157 positionsLocked2024Q1Mar 31
$833M▼ 5.9%
169 positionsLocked2023Q4Dec 31
$885M▲ 3.1%
169 positionsLocked2023Q3Sep 30
$858M▼ 6.9%
179 positionsLocked
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