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

SOUTHERN MICHIGAN BANK & TRUST

$280M in tracked AUM across 422 positions as of Q3 2026.

SM
CIK 0001173227 · last filed Sep 30, 2026
Total AUM
$280M
as of Q3 2026
Holdings
422
—
positions
Whale Score
56
56
tracked
Activity
—
no data
changes this Q
AI Analysis · Q3 2026

Southern Michigan Bank & Trust preserved its colossal 18.7% core allocation to Schwab U.S. Large Cap Growth ETF virtually unchanged during Q2 2026, anchoring its $281.3 million portfolio around fixed equity and bond index pillars. Beyond its steady foundation, the bank quadrupled Vanguard Mid-Cap ETF (+302.3%, $15.6M flow).

Key Portfolio Moves

  • Anchor Position Stability: Schwab Large Cap Growth ETF (SCHG, $52.6M) and iShares Intermediate Govt Credit Bond ETF (GVI, $29.9M) recorded negligible share adjustments, maintaining over 29% of total assets.
  • Mid-Cap Expansion: Vanguard Mid-Cap ETF (VO) was raised fourfold from 64,157 to 258,108 shares (+302.3%, +$15.6M flow).
  • Semiconductor Build: The bank initiated new stakes in Micron Technology ($1.02M), Applied Materials ($828k), and Lam Research ($758k).
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
SCHG
Schwab U.S. Large Cap Growth ETF
$57M1.6M20.4%02
SCHV
Schwab U.S. Large Cap Value ETF
$35M1.1M12.5%03
BIV
Vanguard Intermediate Term Bond ETF
$32M437K11.4%04
GVI
iShares Intermediate Govt Credit Bond ETF
$29M284K10.5%05
VO
Vanguard Morningstar Mid Cap ETF
$20M260K7.3%06
SPSB
State Street SPDR Portfolio Short Term Corporate Bond ETF
$10M342K3.6%07
NVDA
NVIDIA Corp
$8M35K2.9%08
AAPL
Apple Inc
$8M23K2.7%09
039000997
Armstrong Global Holding Inc. Series A
$5M48K1.7%10
GOOGL
Alphabet Inc Class A
$4M13K1.5%

Filing history

2026Q3Sep 30
$280M▼ 0.6%
422 positionsView →2026Q2Jun 30
$281M▲ 7.9%
422 positionsView →2026Q1Mar 31
$261M—
424 positionsView →