Aureus Asset Management, LLC

RIA/Wealth

Aureus Asset Management, LLC is a RIA/Wealth based in Boston, MA led by Thaddeus Hallock Davis, reporting $7.8B in AUM as of Q3 2025 with MSFT as the largest holding (7% allocation).

CEOThaddeus Hallock Davis

Portfolio Value: $1.5B
Positions: 199
Top Holding: MSFT at 6.76%
Last Reported: Q3 2025

AddressOne Winthrop Square, Boston, MA, 02110, United States

Top Holdings

Largest long holdings in Aureus Asset Management, LLC's portfolio (41.2% of total portfolio)

See all holdings

GthenH

Holding	Sector	Position	Weight	Traded	Ownership	Owned Since
1 Microsoft MSFT	Software - Infrastructure Technology	$103.8M	6.76%	-$4.6M Sold	0.00% 200.3K shares	≤ Q2 2013 Held for 12y 5m+
2 Alphabet Inc. GOOGL	Internet Content & Information Communication Services	$73.7M	4.80%	-$12.2M Sold	0.00% 303.0K shares	≤ Q2 2013 Held for 12y 5m+
3 Broadcom Inc. AVGO	Semiconductors Technology	$70.1M	4.56%	-$8.1M Sold	0.00% 212.4K shares	Q1 2016 Held for 9y 8m
4 Apple AAPL	Consumer Electronics Technology	$61.7M	4.02%	-$3.9M Sold	0.00% 242.3K shares	≤ Q2 2013 Held for 12y 5m+
5 Visa V	Financial - Credit Services Financial Services	$60.6M	3.95%	-$4.6M Sold	0.01% 177.6K shares	Q1 2014 Held for 11y 8m
6 Charles Schwab Corporation SCHW	Financial - Capital Markets Financial Services	$59.4M	3.87%	-$3.0M Sold	0.03% 622.2K shares	Q4 2016 Held for 8y 11m
7 Amazon AMZN	Specialty Retail Consumer Cyclical	$58.0M	3.78%	-$22.5M Sold	0.00% 264.1K shares	Q4 2013 Held for 11y 11m
8 Meta Platforms, Inc. META	Internet Content & Information Communication Services	$53.6M	3.49%	-$21.5M Sold	0.00% 72.9K shares	Q3 2015 Held for 10y 2m
9 American Express AXP	Financial - Credit Services Financial Services	$46.4M	3.02%	-$2.5M Sold	0.02% 139.7K shares	Q3 2020 Held for 5y 2m
10 UnitedHealth Group UNH	Medical - Healthcare Plans Healthcare	$44.8M	2.92%	+$7.1M Bought	0.01% 129.8K shares	Q1 2018 Held for 7y 8m

See all holdings

GthenH

Changes

Portfolio activity, position movements, and quarter-over-quarter changes in Aureus Asset Management, LLC's latest filing

See all changes

GthenC

Market Value

$1.5B

Prior: $1.6B

Q/Q Change

-1.76%

-$27.5M

Net Flows % of MV

-7.78%

Turnover Ratio

10.92%

New Purchases

0 stocks

Added To

45 stocks

+$116.9M

Sold Out Of

11 stocks

$63.3M

Reduced Holdings

61 stocks

-$173.1M

Increased Positions

Position	Shares Δ	Change
1 NVO Novo Nordisk NVO	+406.08%	5.9K → 29.7K +$1.3M
2 Intuit INTU	+393.37%	9.9K → 48.9K +$26.6M
3 Oracle ORCL	+138.01%	64.2K → 152.8K +$24.9M
4 Mercado Libre MELI	+115.56%	90.0 → 194.0 +$243.0K
5 Taiwan Semiconductor Manufacturing Company TSM	+92.0%	61.6K → 118.2K +$15.8M

Decreased Positions

Position	Shares Δ	Change
1 Charter Communications, Inc. CHTR	Sold	83.7K → 0 −$34.2M
2 Autodesk ADSK	Sold	85.3K → 0 −$26.4M
3 Eastern Bankshares, Inc. EBC	Sold	56.5K → 0 −$863.3K
4 Nike NKE	Sold	4.0K → 0 −$287.5K
5 Qualcomm QCOM	Sold	1.6K → 0 −$259.4K