AMG National Trust Bank
SEC Form 13F institutional filer · CIK 0001388829
13F-HR · 241 reported holdings · 2026-03-31
AMG National Trust Bank is a bank and trust company.
Reported long-US-equity value
$3.54B
Top-10 concentration
69.2%
AMG National Trust Bank — $3.54B AUM allocation strategy
AMG National Trust Bank files SEC Form 13F and reports $3.54B of long US equity value across 241 reported holdings for 2026-03-31.
Its largest sector bet is Consumer Discretionary 4.7%, followed by Information Technology 3.7% and Materials 1.9%.
The top 10 holdings account for 69% of reported value — a conviction-weighted book concentrated in its best ideas. The sector and industry splits below are of the same reported value. Track quarter-over-quarter adds, trims, new positions and exits below — sourced from SEC 13F filings, public domain.
AMG National Trust Bank — latest SEC 13F insights
Reported long-US-equity value (13F AUM)
$3.54B
total across 241 reported holdings · 2026-03-31 · excludes shorts, cash, non-US
Top-10 concentration
69% of value
higher = narrower conviction; lower = spread / hedging
Biggest adds (shares)
+$IVV +366K sh · +$51.6M+$VTWO +160K sh · +$18.2M+$IWM +152K sh · +$23.6M
Biggest trims (shares)
−$HRL −14.6K sh · −$702K−$PYPL −13.9K sh · −$890K−$CRM −8.38K sh · −$2.83M
Exited to nil (held last quarter, gone now)
$IQV ($4.47M last qtr)$HUM ($2.5M last qtr)$LEN ($1.96M last qtr)$KEY ($1.89M last qtr)$BKNG ($304K last qtr)
Sector allocation (share of reported value)
each slice is a share of the reported long-US-equity value — smaller sectors and the rest of the book roll into “Other holdings”
Qtr shift = share-point change vs the prior quarter's filing — first period tracked for this filer; the column fills in with the next quarterly refresh.
Industry allocation (share of reported value)
- Home Improvement Retail3.9%—
- Technology Hardware, Storage & Peripherals2.8%—
- Metal, Glass & Plastic Containers1.9%—
- Diversified Banks1.4%—
- Systems Software0.9%—
- Broadline Retail0.8%—
- Interactive Media & Services0.6%—
- Aerospace & Defense0.6%—
- Other holdings87.1%—
the finer GICS cut of the same book — same denominator — smaller industries roll into “Other holdings”
Qtr shift = share-point change vs the prior quarter's filing — first period tracked for this filer; the column fills in with the next quarterly refresh.
Top S&P 500 holdings
3 of 3 rows · sorted by Value ↓
| Ticker | Holding | Shares | Value | Δ QoQ | Weight |
|---|---|---|---|---|---|
| $LOW | Lowe's Companies Inc | 440K | $104M | +11.3K | 2.9% |
| $AAPL | Apple Inc | 396K | $101M | +64.7K | 2.8% |
| $BALL | Ball Corporation | 1.17M | $69.1M | +8.11K | 1.9% |
…and 238 more holdings in the full 13F filing (top positions only shown).
SEC Form 13F data sets · public domain · 45-day filing lag · >$100M AUM managers · as reported
← All 13F filers·← QuantOrb.pro
How to read Δ QoQ — the five insight categories, and the caveats
The categories. Analysts, quants and retail traders look past total portfolio value to isolate actionable signals. Five categories matter.
Conviction & concentration shifts
New positions vs complete exits — a brand-new stock signals high conviction; a full liquidation suggests a broken thesis or tax-loss harvesting. Aggressive sizing — look at share count, not dollars: a 20% share increase during a drawdown is strong dip-buying. Concentration — a narrowing top-5/10 means conviction; spreading capital across more names means hedging.
Sector & macro allocation rotations
Aggregating Δ QoQ moves across sectors shows where smart money is leaning in or sneaking out — rotating out of growth into defensives or energy, for example. The fund's total long equity exposure quarter-over-quarter is a proxy for overall institutional risk appetite.
Crowding & smart-money consensus
When several managers initiate or expand the same stock in the same quarter, that is institutional consensus. Contrarian reads: top pickers buying hard into a beaten-down name the market is selling.
Derivative & option overlays
Reported call/put changes indicate whether managers are adding downside hedges or leveraging upside exposure. Note: a long increase may be half of a market-neutral pair trade.
Who reads this
| Retail "cloners" | High-conviction ideas to replicate ~45 days after quarter-end. |
| Corporate IR | Which funds bought or dumped the stock, before the next call. |
| Quant / algo traders | Cross-sectional factor inputs: flow, momentum, ownership. |
Four caveats before you trade on it
- 45-day lag — holdings are quarter-end; positions may already be closed.
- Long-only — 13Fs miss shorts, pair trades and cash.
- No non-US / fixed income — the picture is US equities plus options.
- Corporate actions — splits and spinoffs distort raw share deltas.
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