Stocks/Funds/CIK 1388829

AMG National Trust Bank

long-term holder
Quarterly 13F filings · Latest period 2026-03-31 · CIK 1388829
Assets
$4.60B
+29.1% YoY
Holdings
468
Lifetime alpha vs market
-0.96% annual
Average hold time
5.4 yr
median 6.0 yr

Quarterly history

Cum return +237% vs S&P +272% · α -35% lifetimeAUM $4.6B · peak $4.6BFlow $418M (+10%)2016-062017-122019-062020-122022-062023-122025-062026-03
AUM ($B)fundS&P 500(gap = α)/ Flow in/out

Behavior signals (lifetime)

Dip response
-0.19%
trims when stocks drop
when a holding falls −10%+
Middle response
+0.20%
steady accumulation
Rally response
-0.68%
trims into rallies
when a holding rises +10%+

Top positions · 30

Ticker$ value% portYoYHold time
SPYState Street SPDR S&P 50$415M9.0%+17.6%10.5 yr
IWRiShares Russell Mid-Cap $378M8.2%10.5 yr
IWMiShares Russell 2000 ETF$213M4.6%10.5 yr
VOOVanguard S&P 500 ETF$204M4.4%6.5 yr
IXUSiShares Core MSCI Total $149M3.2%6.5 yr
BNDVanguard Total Bond Mark$117M2.5%10.5 yr
IVViShares Core S&P 500 ETF$107M2.3%10.5 yr
LOWLowe's Companies, Inc.$104M2.3%+3.4%6.0 yr
AAPLApple Inc.$101M2.2%+14.7%10.5 yr
VTIVanguard Total Stock Mar$93M2.0%10.5 yr
IWBiShares Russell 1000 ETF$93M2.0%10.5 yr
IEFAiShares Core MSCI EAFE E$87M1.9%6.5 yr
EFAiShares MSCI EAFE ETF$74M1.6%10.5 yr
VXUSVanguard Total Internati$72M1.6%4.0 yr
BLLBall Corporation$69M1.5%10.5 yr

Portfolio composition (YoY)

Industry mix
Asset Management65.4%+1.9pp$3.01B
Asset Management - Bonds5.1%-0.4pp$236M
Home Improvement3.0%-0.8pp$137M
Consumer Electronics2.2%+0.1pp$101M
Packaging & Containers1.7%-0.9pp$78M
Drug Manufacturers - General1.7%+0.2pp$78M
Asset Management - Global1.2%+0.6pp$54M
Semiconductors1.2%+0.4pp$53M
Internet Content & Information1.1%+0.3pp$51M
Banks - Diversified1.0%+0.1pp$46M
Country
US98.4%-0.2pp
GB0.5%-0.1pp
TW0.3%+0.2pp
IE0.2%-0.0pp
Unknown0.1%+0.1pp
CA0.1%+0.0pp
CH0.1%+0.0pp
BM0.1%+0.0pp
Top 5: 29.6% · Top 10: 40.9% · Top 25: 60.7%

Winners

TickerPrev $PnLYoY %
SPY$340M+0.06B17.6%
AAPL$75M+0.01B14.7%
LOW$102M+0.00B3.4%
HD$33M-0.00B-8.0%

Losers

TickerPrev $PnLYoY %
HD$33M-0.00B-8.0%

Top buys this quarter · 15

SPY State Street SPDR S&P 500 ETF +$33M
PNC The PNC Financial Services Gro+$26M
AAPL Apple Inc.+$16M
INTU Intuit Inc.+$5M
AZN AstraZeneca PLCnew+$5M
MSFT Microsoft Corporation+$30M
KO The Coca-Cola Company+$4M
TXN Texas Instruments Incorporated+$4M
TJX The TJX Companies, Inc.+$4M
GOOG Alphabet Inc.+$3M

Top sells this quarter · 15

MGA Magna International Inc.exit$4M
IQV IQVIA Holdings Inc.exit$3M
D Dominion Energy, Inc.$3M
DK Delek US Holdings, Inc.exit$3M
RUN Sunrun Inc.$3M
KTB Kontoor Brands, Inc.$2M
KEY KeyCorpexit$2M
CLF Cleveland-Cliffs Inc.exit$2M
HUM Humana Inc.exit$2M
SUI Sun Communities, Inc.exit$2M

Quarterly history (TTM returns)

PeriodAUM# PosReturn (1yr)SPY (1yr)Alpha (1yr)Flow
2026-03-31$4.60B468+14.07%+17.59%-3.53%+0.42B
2025-12-31$4.24B445+12.24%+17.72%-5.48%+0.07B
2025-09-30$4.10B444+10.06%+17.52%-7.46%-0.04B
2025-06-30$3.80B440+10.72%+14.94%-4.22%+0.09B
2025-03-31$3.56B435+6.49%+8.30%-1.82%+0.05B
2024-12-31$3.62B440+18.86%+24.89%-6.03%-0.06B
2024-09-30$3.69B432+31.72%+36.04%-4.32%-0.35B
2024-06-30$3.69B436+15.90%+24.49%-8.59%+0.26B
2024-03-31$3.42B420+22.44%+29.62%-7.18%-0.03B
2023-12-31$3.18B419+17.53%+26.18%-8.65%+0.02B
2023-09-30$2.86B412+15.49%+21.57%-6.08%-0.03B
2023-06-30$3.00B434+13.64%+19.42%-5.78%-0.07B
2023-03-31$2.89B447-7.34%-7.82%+0.48%+0.02B
2022-12-31$2.76B437-15.02%-18.17%+3.15%-0.13B
2022-09-30$2.65B429-13.19%-15.51%+2.32%+0.13B
2022-06-30$2.66B418-7.94%-10.62%+2.68%-0.04B