Stocks/Funds/CIK 1381296

Aureus Asset Management, LLC

long-term holder
Quarterly 13F filings · Latest period 2026-03-31 · CIK 1381296
Assets
$1.50B
+5.2% YoY
Holdings
225
Lifetime alpha vs market
-1.59% annual
Average hold time
5.0 yr
median 4.3 yr

Quarterly history

Cum return +211% vs S&P +264% · α -53% lifetimeAUM $1.5B · peak $1.6BFlow $52M (+3%)2016-062017-122019-062020-122022-062023-122025-062026-03
AUM ($B)fundS&P 500(gap = α)/ Flow in/out

Behavior signals (lifetime)

Dip response
-4.93%
trims when stocks drop
when a holding falls −10%+
Middle response
+1.07%
steady accumulation
Rally response
-0.84%
trims into rallies
when a holding rises +10%+

Top positions · 30

Ticker$ value% portYoYHold time
GOOGLAlphabet Inc.$73M4.8%10.5 yr
MSFTMicrosoft Corporation$72M4.8%-0.6%10.5 yr
AAPLApple Inc.$61M4.0%+14.7%10.5 yr
AMZNAmazon.com, Inc.$59M3.9%+9.5%10.3 yr
AMATApplied Materials, Inc.$58M3.9%+137.6%9.0 yr
SCHWThe Charles Schwab Corpo$57M3.8%+21.5%9.5 yr
NEENextEra Energy, Inc.$56M3.7%+34.9%9.8 yr
LINLinde plc$53M3.5%+7.9%3.3 yr
VVisa Inc.$53M3.5%-13.1%10.5 yr
WCNWaste Connections, Inc.$51M3.4%-16.2%8.3 yr
AVGOBroadcom Inc.$48M3.2%+86.0%8.3 yr
NVDANVIDIA Corporation$44M2.9%+60.9%4.8 yr
METAMeta Platforms, Inc.$43M2.9%-0.4%10.0 yr
TSMTaiwan Semiconductor Man$41M2.7%+105.6%9.0 yr
WABWestinghouse Air Brake T$40M2.7%+38.5%5.3 yr

Portfolio composition (YoY)

Industry mix
Semiconductors13.6%+10.0pp$204M
Asset Management8.9%+2.6pp$133M
Internet Content & Information8.8%+0.1pp$132M
Software - Infrastructure6.3%+0.2pp$95M
Financial - Credit Services5.8%-1.6pp$87M
Financial - Capital Markets4.7%+0.5pp$70M
Chemicals - Specialty4.2%+3.4pp$63M
Specialty Retail4.2%-0.7pp$63M
Consumer Electronics4.0%-0.0pp$61M
Medical - Devices4.0%+0.8pp$60M
Country
US88.7%-7.8pp
GB3.5%+3.5pp
CA3.5%+0.9pp
TW2.7%+2.7pp
IE0.7%+0.1pp
CN0.1%+0.1pp
BM0.1%+0.1pp
NL0.1%+0.1pp
Top 5: 21.4% · Top 10: 39.4% · Top 25: 74.4%

Winners

TickerPrev $PnLYoY %
AVGO$40M+0.03B86.0%
NEE$42M+0.01B34.9%
SCHW$52M+0.01B21.5%
WAB$28M+0.01B38.5%
AAPL$58M+0.01B14.7%

Losers

TickerPrev $PnLYoY %
UNH$40M-0.02B-46.9%
V$68M-0.01B-13.1%
ABT$36M-0.01B-21.1%
WCN$36M-0.01B-16.2%
SPGI$36M-0.01B-15.6%

Top buys this quarter · 15

FLS Flowserve Corporationnew+$26M
LIN Linde plc+$26M
BSX Boston Scientific Corporation+$16M
ORCL Oracle Corporation+$9M
SPGI S&P Global Inc.+$7M
WCN Waste Connections, Inc.+$7M
ABT Abbott Laboratories+$7M
APO Apollo Global Management, Inc.+$7M
SCI Service Corporation Internatio+$6M
A Agilent Technologies, Inc.+$3M

Top sells this quarter · 15

INTU Intuit Inc.exit$22M
ADSK Autodesk, Inc.$20M
HQY HealthEquity, Inc.$16M
PAYC Paycom Software, Inc.exit$14M
CSGP CoStar Group, Inc.exit$14M
GOOG Alphabet Inc.$10M
AXP American Express Company$8M
DE Deere & Companyexit$7M
ROP Roper Technologies, Inc.exit$4M
MAR Marriott International, Inc.$3M

Quarterly history (TTM returns)

PeriodAUM# PosReturn (1yr)SPY (1yr)Alpha (1yr)Flow
2026-03-31$1.50B225+4.53%+17.59%-13.06%+0.05B
2025-12-31$1.57B201+8.49%+17.72%-9.23%+0.02B
2025-09-30$1.54B199+10.79%+17.52%-6.72%-0.07B
2025-06-30$1.56B205+16.57%+14.94%+1.63%+0.00B
2025-03-31$1.43B203+7.03%+8.30%-1.28%-0.06B
2024-12-31$1.55B209+19.29%+24.89%-5.60%-0.03B
2024-09-30$1.53B211+31.73%+36.04%-4.30%-0.01B
2024-06-30$1.43B200+18.50%+24.49%-5.99%-0.04B
2024-03-31$1.46B199+28.78%+29.62%-0.84%+0.00B
2023-12-31$1.37B196+28.77%+26.18%+2.59%-0.05B
2023-09-30$1.25B193+18.64%+21.57%-2.93%-0.05B
2023-06-30$1.33B185+15.91%+19.42%-3.52%-0.04B
2023-03-31$1.26B180-9.70%-7.82%-1.88%+0.03B
2022-12-31$1.16B174-19.35%-18.17%-1.18%-0.05B
2022-09-30$1.15B166-14.64%-15.51%+0.87%-0.03B
2022-06-30$1.24B183-9.45%-10.62%+1.17%-0.04B