Stocks/Funds/CIK 1513125

Quantum Capital Management, LLC / NJ

long-term holder
Quarterly 13F filings · Latest period 2026-03-31 · CIK 1513125
Assets
$781M
-19.2% YoY
Holdings
34
Lifetime alpha vs market
-3.37% annual
Average hold time
6.2 yr
median 7.8 yr

Quarterly history

Cum return +33% vs S&P +52% · α -20% lifetimeAUM $781M · peak $998MFlow $6M (+1%)2016-062017-122019-062020-122022-062023-122025-062026-03
AUM ($B)fundS&P 500(gap = α)/ Flow in/out

Behavior signals (lifetime)

Dip response
+1.81%
adds when stocks drop
when a holding falls −10%+
Middle response
+1.14%
steady accumulation
Rally response
-10.60%
trims into rallies
when a holding rises +10%+

Top positions · 30

Ticker$ value% portYoYHold time
ODFLOld Dominion Freight Lin$73M9.4%+18.9%5.3 yr
NVRNVR, Inc.$64M8.1%-9.0%9.3 yr
PRIPrimerica, Inc.$63M8.0%-10.5%10.5 yr
MSCIMSCI Inc.$59M7.6%-3.4%6.0 yr
VEEVVeeva Systems Inc.$56M7.1%-24.2%5.3 yr
MLMMartin Marietta Material$53M6.8%+23.8%0.3 yr
HEI-AHEICO Corporation$50M6.3%8.8 yr
FASTFastenal Company$44M5.7%+22.1%8.0 yr
MCOMoody's Corporation$43M5.6%-5.6%10.0 yr
GGGGraco Inc.$42M5.4%+2.7%10.5 yr
BROBrown & Brown, Inc.$42M5.4%-47.2%2.3 yr
TYLTyler Technologies, Inc.$41M5.3%-41.1%3.3 yr
IDXXIDEXX Laboratories, Inc.$32M4.0%+33.8%4.0 yr
BKNGBooking Holdings Inc.$26M3.4%-96.3%8.3 yr
CPRTCopart, Inc.$17M2.2%-41.3%10.5 yr

Portfolio composition (YoY)

Industry mix
Financial - Data & Stock Exchanges13.1%+5.7pp$103M
Trucking9.4%+0.4pp$73M
Residential Construction8.1%+0.2pp$64M
Insurance - Life8.0%+0.4pp$63M
Construction Materials7.7%$60M
Medical - Healthcare Information Services7.1%-2.4pp$56M
Aerospace & Defense6.3%-1.7pp$50M
Software - Application6.0%-1.0pp$47M
Industrial - Distribution5.7%-0.5pp$44M
Industrial - Machinery5.4%+0.0pp$42M
Country
US100.0%+1.4pp
Top 5: 40.3% · Top 10: 70.0% · Top 25: 99.8%

Winners

TickerPrev $PnLYoY %
IDXX$49M+0.02B33.8%
ODFL$87M+0.02B18.9%
FAST$60M+0.01B22.1%
GGG$52M+0.00B2.7%
SCL$0M-0.00B-6.3%

Losers

TickerPrev $PnLYoY %
BKNG$52M-0.05B-96.3%
CPRT$87M-0.04B-41.3%
VEEV$92M-0.02B-24.2%
TYL$48M-0.02B-41.1%
PRI$74M-0.01B-10.5%

Top buys this quarter · 11

MLM Martin Marietta Materials, Incnew+$53M
TYL Tyler Technologies, Inc.+$16M
IT Gartner, Inc.new+$16M
MSCI MSCI Inc.+$12M
VMC Vulcan Materials Companynew+$7M
MCO Moody's Corporation+$7M
NVR NVR, Inc.+$6M
VEEV Veeva Systems Inc.+$56M
ITB iShares U.S. Home Construction+$0M
SCHZ Schwab U.S. Aggregate Bond ETF+$0M

Top sells this quarter · 15

ODFL Old Dominion Freight Line, Inc$46M
LSTR Landstar System, Inc.exit$31M
CPRT Copart, Inc.$30M
IDXX IDEXX Laboratories, Inc.$11M
CSGP CoStar Group, Inc.exit$9M
DSGX The Descartes Systems Group Inexit$2M
PRI Primerica, Inc.$1M
FAST Fastenal Company$39M
BRO Brown & Brown, Inc.$1M
GGG Graco Inc.$41M

Quarterly history (TTM returns)

PeriodAUM# PosReturn (1yr)SPY (1yr)Alpha (1yr)Flow
2026-03-31$781M34-11.82%+17.59%-29.41%+0.01B
2025-12-31$864M34-2.47%+17.72%-20.19%+0.00B
2025-09-30$912M33+2.33%+17.52%-15.19%-0.01B
2025-06-30$925M33+13.57%+14.94%-1.37%-0.09B
2025-03-31$967M33-0.06%+8.30%-8.36%+0.04B
2024-12-31$933M31+10.80%+24.89%-14.09%-0.02B
2024-09-30$965M32+25.62%+36.04%-10.42%-0.01B
2024-06-30$884M31+11.29%+24.49%-13.20%+0.03B
2024-03-31$919M31+35.03%+29.62%+5.40%-0.02B
2023-12-31$850M32+42.72%+26.18%+16.54%+0.00B
2023-09-30$755M28+46.36%+21.57%+24.79%-0.05B
2023-06-30$829M26+47.19%+19.42%+27.77%-0.04B
2023-03-31$774M26+11.49%-7.82%+19.31%-0.11B
2022-12-31$758M26+14.88%+7.56%+7.32%-0.12B
2022-09-30$763M30-1.74%-4.93%+3.19%+0.04B
2022-06-30$732M31-15.10%-16.11%+1.01%+0.05B