Stocks/Funds/CIK 2011652

Lummis Asset Management, LP

long-term holder
Quarterly 13F filings · Latest period 2026-03-31 · CIK 2011652
Assets
$164M
+13.6% YoY
Holdings
190
Lifetime alpha vs market
-2.12% annual
Average hold time
1.8 yr
median 2.5 yr

Quarterly history

Cum return +34% vs S&P +41% · α -7% lifetimeAUM $164M · peak $164MFlow $-2M (-1%)2023-122024-062024-122025-062025-122026-03
AUM ($B)fundS&P 500(gap = α)/ Flow in/out

Behavior signals (lifetime)

Dip response
-0.65%
trims when stocks drop
when a holding falls −10%+
Middle response
-2.76%
baseline attrition
Rally response
-2.84%
trims into rallies
when a holding rises +10%+

Top positions · 30

Ticker$ value% portYoYHold time
MTDRMatador Resources Compan$21M12.9%+27.6%2.5 yr
AAPLApple Inc.$14M8.4%+14.7%2.5 yr
MSFTMicrosoft Corporation$12M7.6%-0.6%2.5 yr
GOOGAlphabet Inc.$10M6.3%+84.3%2.5 yr
$7M4.6%2.5 yr
BSMBlack Stone Minerals, L.$5M3.0%+8.9%2.5 yr
GDGeneral Dynamics Corpora$5M3.0%+27.8%2.5 yr
ROSTRoss Stores, Inc.$5M2.8%+71.2%2.5 yr
ORCLOracle Corporation$4M2.7%+5.9%2.5 yr
GSThe Goldman Sachs Group,$4M2.6%+58.1%2.5 yr
TFPM.TOTriple Flag Precious Met$4M2.6%+76.9%2.5 yr
EQIXEquinix, Inc.$4M2.5%+23.0%1.5 yr
XOMExxon Mobil Corporation$3M2.0%+47.6%2.5 yr
TMOThermo Fisher Scientific$3M1.9%-0.9%2.5 yr
AIGAmerican International G$3M1.9%-11.5%2.5 yr

Portfolio composition (YoY)

Industry mix
Oil & Gas Exploration & Production18.0%+2.2pp$29M
Software - Infrastructure10.3%-1.9pp$17M
Consumer Electronics8.4%-1.4pp$14M
Internet Content & Information7.0%+2.8pp$11M
Unknown6.4%-0.0pp$10M
Drug Manufacturers - General5.1%+0.2pp$8M
REIT - Specialty4.1%-0.4pp$7M
Asset Management3.7%+1.2pp$6M
Financial - Capital Markets3.6%+0.5pp$6M
Aerospace & Defense3.6%+0.4pp$6M
Country
US89.9%+0.6pp
Unknown6.4%-0.0pp
CA2.8%+0.8pp
BM0.4%+0.0pp
GB0.3%-0.0pp
CH0.1%-1.3pp
ES0.1%+0.0pp
IE0.0%-0.0pp
Top 5: 39.7% · Top 10: 53.9% · Top 25: 80.2%

Winners

TickerPrev $PnLYoY %
MTDR$15M+0.00B27.6%
GOOG$5M+0.00B84.3%
TFPM.TO$3M+0.00B76.9%
AAPL$14M+0.00B14.7%
ROST$3M+0.00B71.2%

Losers

TickerPrev $PnLYoY %
ABT$4M-0.00B-21.1%
AMT$3M-0.00B-17.9%
AIG$4M-0.00B-11.5%
MSFT$13M-0.00B-0.6%
TMO$3M-0.00B-0.9%

Top buys this quarter · 15

DORM Dorman Products, Inc.new+$2M
DVN Devon Energy Corporation+$0M
EXEL Exelixis, Inc.new+$0M
AMGN Amgen Inc.+$0M
LHX L3Harris Technologies, Inc.new+$0M
MSEX Middlesex Water Companynew+$0M
CLX The Clorox Company+$0M
BSM Black Stone Minerals, L.P.+$0M
SNY Sanofinew+$0M
RSP Invesco S&P 500 Equal Weight Enew+$0M

Top sells this quarter · 15

GOLF Acushnet Holdings Corp.exit$4M
GS The Goldman Sachs Group, Inc.$2M
AAPL Apple Inc.$1M
GOOG Alphabet Inc.$0M
MSFT Microsoft Corporation$0M
TFPM.TO Triple Flag Precious Metals Co$0M
ORCL Oracle Corporation$0M
ROST Ross Stores, Inc.$4M
MTDR Matador Resources Company$14M
GD General Dynamics Corporation$0M

Quarterly history (TTM returns)

PeriodAUM# PosReturn (1yr)SPY (1yr)Alpha (1yr)Flow
2026-03-31$164M190+20.61%+17.59%+3.02%-0.00B
2025-12-31$162M188+16.13%+17.72%-1.59%+0.01B
2025-09-30$152M158+15.48%+17.52%-2.04%-0.01B
2025-06-30$153M160+7.86%+14.94%-7.08%+0.00B
2025-03-31$144M163+2.93%+8.30%-5.38%+0.07B
2024-12-31$79M147+13.31%+24.89%-11.58%-0.01B
2024-09-30$86M147+1.77%+5.75%-3.98%+0.01B
2024-06-30$76M153+0.59%+4.38%-3.79%+0.00B
2024-03-31$75M156+7.93%+10.39%-2.46%-0.07B
2023-12-31$131M175