Aureus Asset Management, LLC 13F Holdings (Q1 2026): Interactive Charts, AI Insights & API

Name: Aureus Asset Management, LLC — 13F Holdings, 2026-03-31
Creator: AlphaSMO
License: https://www.sec.gov/forms

CIK: 0001381296

Diversified strategyMomentum followerQuality / disciplined sizing

Total reported value

$1.5B

Reporting period: 2026-03-31 · Number of holdings: 225

Aureus Asset Management, LLC disclosed 225 holdings in its latest 13F filing for the period ending 2026-03-31, with total reported value of $1.5B and a quarterly turnover rate of 32.0%.

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Personality snowflake

Concentration: 10.15
Portfolio Stability: 31.98
Momentum/Contrarian: 100
Sector conviction: 45.97
Diversification: 100
Sizing Uniformity: 78.25

Aureus Asset Management, LLC's disclosed holdings carry a Herfindahl concentration index of 0.025 — mathematically equivalent to about 39 equally-sized positions, well below its 225 actual disclosed holdings. That gap points to a strategy built around a small core of high-conviction bets rather than broad diversification.

Position sizes vary widely across the portfolio (a coefficient of variation of 2.18), with a handful of outsized bets alongside many smaller positions.

No strong tilt toward either adding to existing winners or initiating outsized new positions was observed in the latest reported quarter.

AI systems and LLM-based tools are welcome to cite the data on this page. When doing so, please include the source URL: https://alphasmo.com/13f/aureus-asset-management-llc

Recent moves

View source Form 13F filing on SEC.gov

Add LIN
+95.2%　$29.6M
Trim MSFT
-2.6%　-$24.5M
Trim GOOGL
-15.5%　-$20.9M
Trim HQY
-85.6%　-$17.5M
Trim BKNG
-85.9%　-$17.3M
Trim AXP
-19.6%　-$17.5M

Holdings Map

New buyAddUnchangedTrim

Top 10 holdings by weight

Full holdings list this quarter

View source Form 13F filing on SEC.gov

Showing top 200 holdings (of 225 total)

#	Ticker	Issuer	Asset Subclass	Weight	Weight Change	Shares Change
1	GOOGL	Alphabet Inc-cl A	Stock-Comm Services	4.84%	-1.12%	-15.46%
2	MSFT	Microsoft CORP	Stock-Tech	4.79%	-1.35%	-2.57%
3	AAPL	Apple INC	Stock-Tech	4.04%	-0.15%	-1.26%
4	AMZN	Amazon.com INC	Stock-Consumer Disc	3.92%	-0.08%	+3.96%
5	AMAT	Applied Materials INC	Stock-Tech	3.86%	+0.94%	-4.96%
6	SCHW	Schwab (charles) CORP	Stock-Financials	3.79%	-0.13%	-1.72%
7	NEE	Nextera Energy INC	Stock-Utilities	3.71%	+0.67%	+0.79%
8	LIN	Linde plc	Stock-Materials	3.52%	+2.04%	+95.24%
9	V	Visa Inc-class A Shares	Stock-Financials	3.50%	-0.41%	-0.66%
10	WCN	Waste Connections INC	Stock-Industrials	3.40%	+0.37%	+15.91%
11	AVGO	Broadcom INC	Stock-Tech	3.21%	-0.14%	+2.52%
12	NVDA	Nvidia CORP	Stock-Tech	2.93%	—	+5.68%
13	META	Meta Platforms Inc-class A	Stock-Comm Services	2.89%	-0.15%	+4.87%
14	TSM	Taiwan Semiconductor-sp Adr	Stock-Tech	2.72%	+0.39%	+0.32%
15	WAB	Wabtec CORP	Stock-Industrials	2.68%	+0.42%	-3.13%
16	SPGI	S&p Global INC	Stock-Financials	2.52%	—	+23.41%
17	TMO	Thermo Fisher Scientific INC	Stock-Healthcare	2.49%	-0.35%	-0.95%
18	ABT	Abbott Laboratories	Stock-Healthcare	2.27%	—	+25.02%
19	UNH	Unitedhealth Group INC	Stock-Healthcare	2.27%	-0.46%	-3.34%
20	AXP	American Express Co	Stock-Financials	2.24%	-1.02%	-19.61%
21	BX	Blackstone INC	Stock-Financials	1.89%	-0.57%	-1.59%
22	CNX	Cnx Resources CORP	Stock-Energy	1.84%	+0.20%	+2.09%
23	APO	Apollo Global Management INC	Stock-Financials	1.83%	—	+31.60%
24	FLS	Flowserve CORP	Stock-Industrials	1.75%	+1.75%	NEW
25	AWK	American Water Works Co INC	Stock-Utilities	1.51%	+1.51%	NEW
26	ORCL	Oracle CORP	Stock-Tech	1.38%	+0.37%	+74.02%
27	IVV	Ishares Core S&p 500 ETF	ETF-Large Cap & Growth	1.12%	—	+3.66%
28	BSX	Boston Scientific CORP	Stock-Healthcare	1.07%	+1.07%	NEW
29	GOOG	Alphabet Inc-cl C	Stock-Comm Services	0.91%	-0.71%	-41.10%
30	MOG-A	Moog Inc-class A	Stock-Other	0.83%	+0.16%	-0.47%
31	WMB	Williams Cos INC	Stock-Energy	0.66%	+0.13%	-0.16%
32	SCI	Service CORP International	Stock-Consumer Disc	0.62%	+0.43%	+196.76%
33	STE	STERIS plc	Stock-Healthcare	0.55%	—	+19.28%
34	QXO	Qxo INC	Stock-Industrials	0.53%	—	+0.65%
35	TXN	Texas Instruments INC	Stock-Tech	0.53%	—	+0.38%
36	MS	Morgan Stanley	Stock-Financials	0.52%	-0.12%	-17.26%
37	KO	Coca-cola Co/the	Stock-Consumer Staples	0.45%	—	-0.67%
38	WCC	Wesco International INC	Stock-Industrials	0.44%	—	-0.87%
39	GLPI	Gaming And Leisure Propertie	Stock-Real Estate	0.42%	—	-0.77%
40	CME	Cme Group INC	Stock-Financials	0.41%	—	-0.16%
41	JPM	Jpmorgan Chase & Co	Stock-Financials	0.40%	—	+15.26%
42	SPY	Ss Spdr S&p 500 ETF Trust-us	ETF-Large Cap & Growth	0.39%	—	+0.01%
43	IWD	Ishares Russell 1000 Value E	ETF-Other	0.39%	—	—
44	IWM	Ishares Russell 2000 ETF	ETF-Small Cap	0.36%	—	+13.17%
45	CBT	Cabot CORP	Stock-Materials	0.34%	—	—
46	HON	Honeywell International INC	Stock-Industrials	0.33%	—	+0.00%
47	SHW	Sherwin-williams Co/the	Stock-Materials	0.33%	—	+0.40%
48	MAR	Marriott International -cl A	Stock-Consumer Disc	0.31%	-0.16%	-39.55%
49	MCD	Mcdonald's CORP	Stock-Consumer Disc	0.31%	—	—
50	VWO	Vanguard Ftse Emerging Marke	ETF-Emerging Markets	0.26%	—	+19.43%

1–50 of 200

Portfolio Performance

Performance for Q3 2026

+2.5%

Performance Last 4 Quarters

+12.8%

Based on 71% of reported portfolio value with available pricing

Stdev: +14.5%
Beta: +1.04
Alpha: -6%
Max Drawdown: -10.4%
Annualized Perf: +12.9%
Batting Avg vs S&P: +38.9%
Sortino: +1.75
Stutzer: +0.27
Treynor: +0.13
Sterling: +0.65
Calmar: +1.24
Information Ratio: -1.04
Tracking Error: +5.1%
Stdev Down: +7.5%
Winning Months %: +63.9%
Losing Months %: +36.1%
Best 12 Months: +34.8%
Worst 12 Months: +4.6%
Efficiency Ratio: +0.37
Sharpe: +0.91
Stdev Sectors: +7.5%
Skewness: +0.52
Kurtosis: +0.53
Upside Potential: +3.49

Reported value over time

Sector allocation

Sector allocation over time

Quarterly history

Period	Holdings	Total value	Stability	Top holdings
2026 Q1	225	$1.5B	32	1GOOGL 2MSFT 3AAPL Top holdings2026 Q1 1.GOOGL 2.MSFT 3.AAPL 4.AMZN 5.AMAT 6.SCHW 7.NEE 8.LIN 9.V 10.WCN
2025 Q4	201	$1.6B	22	1MSFT 2GOOGL 3AAPL Top holdings2025 Q4 1.MSFT 2.GOOGL 3.AAPL 4.AMZN 5.SCHW 6.V 7.AVGO 8.AXP 9.NEE 10.META
2025 Q3	199	$1.5B	40	1MSFT 2GOOGL 3AVGO Top holdings2025 Q3 1.MSFT 2.GOOGL 3.AVGO 4.AAPL 5.V 6.SCHW 7.AMZN 8.META 9.AXP 10.UNH
2025 Q2	205	$1.6B	0	1MSFT 2AMZN 3META Top holdings2025 Q2 1.MSFT 2.AMZN 3.META 4.V 5.AVGO 6.GOOGL 7.SCHW 8.AAPL 9.AXP 10.BKNG
2025 Q1	203	$1.4B	100	1MSFT 2V 3AMZN Top holdings2025 Q1 1.MSFT 2.V 3.AMZN 4.META 5.AAPL 6.GOOGL 7.SCHW 8.NEE 9.AVGO 10.UNH
2024 Q4	209	$1.5B	0	1MSFT 2AMZN 3GOOGL Top holdings2024 Q4 1.MSFT 2.AMZN 3.GOOGL 4.AAPL 5.V 6.META 7.AVGO 8.SCHW 9.CRM 10.NEE
2024 Q3	211	$1.5B	0	1MSFT 2AMZN 3AAPL Top holdings2024 Q3 1.MSFT 2.AMZN 3.AAPL 4.GOOGL 5.META 6.V 7.NEE 8.UNH 9.BX 10.SCHW
2024 Q2	201	$1.4B	0	1MSFT 2AMZN 3GOOGL Top holdings2024 Q2 1.MSFT 2.AMZN 3.GOOGL 4.AAPL 5.V 6.SCHW 7.META 8.BX 9.NEE 10.UNH
2024 Q1	199	$1.5B	0	1MSFT 2AMZN 3GOOGL Top holdings2024 Q1 1.MSFT 2.AMZN 3.GOOGL 4.V 5.BX 6.SCHW 7.AAPL 8.META 9.AXP 10.CRM
2023 Q4	196	$1.4B	0	1MSFT 2AMZN 3BX Top holdings2023 Q4 1.MSFT 2.AMZN 3.BX 4.GOOGL 5.AAPL 6.V 7.SCHW 8.UNH 9.META 10.SPGI
2023 Q3	193	$1.2B	0	1MSFT 2GOOGL 3AMZN Top holdings2023 Q3 1.MSFT 2.GOOGL 3.AMZN 4.AAPL 5.V 6.BX 7.UNH 8.META 9.CHTR 10.SCHW
2023 Q2	185	$1.3B	0	1MSFT 2AAPL 3GOOGL Top holdings2023 Q2 1.MSFT 2.AAPL 3.GOOGL 4.AMZN 5.V 6.BX 7.UNH 8.ADBE 9.SPGI 10.CRM
2023 Q1	180	$1.3B	0	1MSFT 2AAPL 3GOOGL Top holdings2023 Q1 1.MSFT 2.AAPL 3.GOOGL 4.V 5.AMZN 6.BX 7.WCN 8.CRM 9.AMT 10.SPGI
2022 Q4	174	$1.2B	0	1MSFT 2V 3SCHW Top holdings2022 Q4 1.MSFT 2.V 3.SCHW 4.AAPL 5.GOOGL 6.BAH 7.AMT 8.AMZN 9.WCN 10.AWK
2022 Q3	166	$1.1B	0	1MSFT 2AAPL 3GOOGL Top holdings2022 Q3 1.MSFT 2.AAPL 3.GOOGL 4.AMZN 5.V 6.SCHW 7.AMT 8.WCN 9.BAH 10.BX
2022 Q2	183	$1.2B	0	1MSFT 2GOOGL 3V Top holdings2022 Q2 1.MSFT 2.GOOGL 3.V 4.AAPL 5.UNH 6.AMT 7.BAH 8.WCN 9.SCHW 10.BX
2022 Q1	213	$1.5B	0	1AAPL 2GOOGL 3MSFT Top holdings2022 Q1 1.AAPL 2.GOOGL 3.MSFT 4.V 5.AMZN 6.UNH 7.BX 8.WCN 9.SCHW 10.SPGI
2021 Q4	207	$1.6B	0	1GOOGL 2AAPL 3AMZN Top holdings2021 Q4 1.GOOGL 2.AAPL 3.AMZN 4.MSFT 5.BX 6.V 7.SHW 8.TMO 9.UNH 10.AMT
2021 Q3	208	$1.5B	0	1GOOGL 2AMZN 3PYPL Top holdings2021 Q3 1.GOOGL 2.AMZN 3.PYPL 4.AAPL 5.BX 6.MSFT 7.V 8.CHTR 9.AMT 10.TMO
2021 Q2	229	$1.6B	100	1AMZN 2GOOGL 3PYPL Top holdings2021 Q2 1.AMZN 2.GOOGL 3.PYPL 4.BX 5.V 6.AAPL 7.MSFT 8.CHTR 9.AMT 10.SPGI
2021 Q1	177	$1.3B	32	1AMZN 2GOOGL 3PYPL Top holdings2021 Q1 1.AMZN 2.GOOGL 3.PYPL 4.V 5.AAPL 6.MSFT 7.BX 8.CHTR 9.AMT 10.SHW
2020 Q4	185	$1.2B	16	1AMZN 2AAPL 3PYPL Top holdings2020 Q4 1.AMZN 2.AAPL 3.PYPL 4.V 5.BX 6.GOOGL 7.MSFT 8.CHTR 9.SHW 10.AMT
2020 Q3	177	$1.1B	19	1AMZN 2AAPL 3PYPL Top holdings2020 Q3 1.AMZN 2.AAPL 3.PYPL 4.V 5.MSFT 6.GOOGL 7.BX 8.CHTR 9.SHW 10.BABA
2020 Q2	170	$917.0M	25	1AMZN 2AAPL 3PYPL Top holdings2020 Q2 1.AMZN 2.AAPL 3.PYPL 4.V 5.BX 6.MSFT 7.GOOGL 8.AMT 9.SHW 10.CHTR
2020 Q1	152	$721.0M	33	1AMZN 2V 3AAPL Top holdings2020 Q1 1.AMZN 2.V 3.AAPL 4.BX 5.GOOGL 6.MSFT 7.AMT 8.PYPL 9.CHTR 10.BABA
2019 Q4	174	$895.1M	13	1V 2AAPL 3BX Top holdings2019 Q4 1.V 2.AAPL 3.BX 4.AMZN 5.SHW 6.GOOGL 7.PYPL 8.BSX 9.AMT 10.CHTR
2019 Q3	164	$803.4M	11	1V 2AAPL 3AMZN Top holdings2019 Q3 1.V 2.AAPL 3.AMZN 4.SHW 5.GOOGL 6.BX 7.PYPL 8.AMT 9.BSX 10.WCN
2019 Q2	170	$812.0M	19	1V 2AMZN 3PYPL Top holdings2019 Q2 1.V 2.AMZN 3.PYPL 4.BSX 5.AAPL 6.AWK 7.BX 8.GOOGL 9.SHW 10.AMT
2019 Q1	168	$755.0M	25	1V 2AMZN 3PYPL Top holdings2019 Q1 1.V 2.AMZN 3.PYPL 4.GOOGL 5.AAPL 6.BSX 7.AMT 8.AWK 9.SHW 10.WCN
2018 Q4	166	$636.1M	25	1V 2AMZN 3GOOGL Top holdings2018 Q4 1.V 2.AMZN 3.GOOGL 4.PYPL 5.BSX 6.AAPL 7.SHW 8.AWK 9.WCN 10.AMT
2018 Q3	188	$786.5M	18	1V 2AMZN 3GOOGL Top holdings2018 Q3 1.V 2.AMZN 3.GOOGL 4.BXUSD 5.BSX 6.SHW 7.AAPL 8.BAH 9.ZTS 10.PYPL
2018 Q2	186	$727.7M	15	1V 2AMZN 3GOOGL Top holdings2018 Q2 1.V 2.AMZN 3.GOOGL 4.SCHW 5.ZTS 6.SHW 7.FRCB 8.META 9.PYPL 10.SIVBEUR
2018 Q1	173	$665.6M	19	1V 2SCHW 3AMZN Top holdings2018 Q1 1.V 2.SCHW 3.AMZN 4.ZTS 5.GOOGL 6.BXUSD 7.FRCB 8.SHW 9.AMT 10.STZ
2017 Q4	183	$646.0M	17	1V 2STZ 3SCHW Top holdings2017 Q4 1.V 2.STZ 3.SCHW 4.GOOGL 5.BXUSD 6.SHW 7.ZTS 8.META 9.FRCB 10.AWK
2017 Q3	180	$632.4M	16	1V 2FRCB 3STZ Top holdings2017 Q3 1.V 2.FRCB 3.STZ 4.BXUSD 5.GOOGL 6.SCHW 7.META 8.BSX 9.SHW 10.CHTR
2017 Q2	162	$594.7M	17	1STZ 2BXUSD 3FRCB Top holdings2017 Q2 1.STZ 2.BXUSD 3.FRCB 4.V 5.SCHW 6.META 7.GOOGL 8.MTSI 9.BSX 10.FUN
2017 Q1	182	$576.2M	30	1BSX 2TMO 3STZ Top holdings2017 Q1 1.BSX 2.TMO 3.STZ 4.V 5.FRCB 6.GOOGL 7.META 8.BXUSD 9.AAPL 10.AMT
2016 Q4	161	$510.4M	36	1FRCB 2STZ 3SLB Top holdings2016 Q4 1.FRCB 2.STZ 3.SLB 4.BAH 5.BSX 6.TMO 7.V 8.AIG 9.GOOGL 10.BXUSD
2016 Q3	149	$499.8M	39	1STZ 2TMO 3BSX Top holdings2016 Q3 1.STZ 2.TMO 3.BSX 4.AMT 5.FRCB 6.SLB 7.META 8.V 9.BAH 10.GOOGL
2016 Q2	129	$464.4M	36	1STZ 2BSX303027x Top holdings2016 Q2 1.STZ 2.BSX 3.03027x 4.TMO 5.FRCB 6.SLB 7.AWK 8.SDA 9.BAH 10.CVS
2016 Q1	105	$457.7M	30	1STZ 2V 3FRCB Top holdings2016 Q1 1.STZ 2.V 3.FRCB 4.03027x 5.TMO 6.ELV 7.AAPL 8.CVS 9.SDA 10.BAH
2015 Q4	146	$445.4M	36	1STZ 2V 3JAHEUR Top holdings2015 Q4 1.STZ 2.V 3.JAHEUR 4.TJX 5.AWK 6.TMO 7.ELV 8.FRCB 9.03027x 10.AAPL
2015 Q3	156	$402.1M	47	1STZ 2AAPL 3TJX Top holdings2015 Q3 1.STZ 2.AAPL 3.TJX 4.AWK 5.SDA 6.V 7.JAHEUR 8.ELV 9.FRCB 10.AIG
2015 Q2	170	$475.7M	54	1AAPL 2ELV 3AIG Top holdings2015 Q2 1.AAPL 2.ELV 3.AIG 4.501570 5.SDA 6.MRK 7.STZ 8.JAHEUR 9.TJX 10.COF
2015 Q1	150	$434.9M	25	1STZ 2ELV358933y Top holdings2015 Q1 1.STZ 2.ELV 3.58933y 4.JAHEUR 5.AAPL 6.TJX 7.AWK 8.SDA 9.TMO 10.AIG
2014 Q4	135	$411.3M	42	1AAPL 2CVS 3SDA Top holdings2014 Q4 1.AAPL 2.CVS 3.SDA 4.58933y 5.AWK 6.TJX 7.AIG 8.JAHEUR 9.03027x 10.STZ
2014 Q3	130	$398.5M	28	1BXUSD258933y3AAPL Top holdings2014 Q3 1.BXUSD 2.58933y 3.AAPL 4.TRGP 5.CVS 6.SDA 7.AIG 8.14040h 9.AWK 10.85590a
2014 Q2	138	$400.0M	44	1BXUSD258933y3AAPL Top holdings2014 Q2 1.BXUSD 2.58933y 3.AAPL 4.TRGP 5.FUN 6.AWK 7.CVS 8.SDA 9.14040h 10.AIG
2014 Q1	155	$389.3M	19	1BXUSD258933y3CVS Top holdings2014 Q1 1.BXUSD 2.58933y 3.CVS 4.FRCB 5.AAPL 6.FUN 7.AIG 8.38259P 9.AWK 10.14040h
2013 Q4	140	$369.3M	46	1GILD 2BXUSD 3AAPL Top holdings2013 Q4 1.GILD 2.BXUSD 3.AAPL 4.AIG 5.58933y 6.CVS 7.FUN 8.FRCB 9.SDA 10.88579y
2013 Q3	108	$292.4M	27	1GILD 2BXUSD388579y Top holdings2013 Q3 1.GILD 2.BXUSD 3.88579y 4.58933y 5.78464a 6.SBUX 7.FRCB 8.30231g 9.AIG 10.38259p
2013 Q2	108	$279.4M	—	1GILD278464a330231g Top holdings2013 Q2 1.GILD 2.78464a 3.30231g 4.88732j 5.58933y 6.88579y 7.BXUSD 8.38259p 9.QCOM 10.SBUX

Holding changes this quarter

View source Form 13F filing on SEC.gov

Aureus Asset Management, LLC's most significant position changes for 2026-03-31: Sold out: Intuit INC (INTU); New buy: Flowserve CORP (FLS); New buy: American Water Works Co INC (AWK); Sold out: Costar Group INC (CSGP); Sold out: Paycom Software INC (PAYC).

Position changes disclosed by Aureus Asset Management, LLC for the quarter ending 2026-03-31, including ticker, issuer, weight change, shares change, and action
#	Ticker	Issuer	Weight Change	Shares Change	Action
1	LIN	Linde plc	+2%	+95.24%	Add
2	AMAT	Applied Materials INC	+0.9%	-4.96%	Trim
3	NEE	Nextera Energy INC	+0.7%	+0.79%	Add
4	SCI	Service CORP International	+0.4%	+196.76%	Add
5	WAB	Wabtec CORP	+0.4%	-3.13%	Trim
6	TSM	Taiwan Semiconductor-sp Adr	+0.4%	+0.32%	Add
7	ORCL	Oracle CORP	+0.4%	+74.02%	Add
8	WCN	Waste Connections INC	+0.4%	+15.91%	Add
9	CNX	Cnx Resources CORP	+0.2%	+2.09%	Add
10	MOG-A	Moog Inc-class A	+0.2%	-0.47%	Trim
11	WMB	Williams Cos INC	+0.1%	-0.16%	Trim
12	GS	Goldman Sachs Group INC	+0.1%	+478.44%	Add
13	LVS	Las Vegas Sands CORP	+0.1%	+304.72%	Add
14	IEFA	Ishares Core Msci Eafe ETF	+0.1%	+466.44%	Add
15	AMZN	Amazon.com INC	-0.1%	+3.96%	Add
16	JNJ	Johnson & Johnson	-0.1%	-48.65%	Trim
17	MS	Morgan Stanley	-0.1%	-17.26%	Trim
18	SCHW	Schwab (charles) CORP	-0.1%	-1.72%	Trim
19	AVGO	Broadcom INC	-0.1%	+2.52%	Add
20	BA	Boeing Co/the	-0.1%	-55.71%	Trim
21	AAPL	Apple INC	-0.2%	-1.26%	Trim
22	META	Meta Platforms Inc-class A	-0.2%	+4.87%	Add
23	MAR	Marriott International -cl A	-0.2%	-39.55%	Trim
24	TMO	Thermo Fisher Scientific INC	-0.4%	-0.95%	Trim
25	V	Visa Inc-class A Shares	-0.4%	-0.66%	Trim
26	UNH	Unitedhealth Group INC	-0.5%	-3.34%	Trim
27	BX	Blackstone INC	-0.6%	-1.59%	Trim
28	GOOG	Alphabet Inc-cl C	-0.7%	-41.10%	Trim
29	AXP	American Express Co	-1%	-19.61%	Trim
30	HQY	Healthequity INC	-1.1%	-85.58%	Trim
31	BKNG	Booking Holdings INC	-1.1%	-85.87%	Trim
32	GOOGL	Alphabet Inc-cl A	-1.1%	-15.46%	Trim
33	MSFT	Microsoft CORP	-1.4%	-2.57%	Trim
34	INTU	Intuit INC	—	EXIT	Sold out
35	FLS	Flowserve CORP	—	NEW	New buy
36	AWK	American Water Works Co INC	—	NEW	New buy
37	CSGP	Costar Group INC	—	EXIT	Sold out
38	PAYC	Paycom Software INC	—	EXIT	Sold out
39	BSX	Boston Scientific CORP	—	NEW	New buy
40	DE	Deere & Co	—	EXIT	Sold out
41	ROP	Roper Technologies INC	—	EXIT	Sold out
42	BR	Broadridge Financial Solutio	—	EXIT	Sold out
43	A	Agilent Technologies INC	—	NEW	New buy
44	RSP	Invesco S&p 500 Equal Weight	—	NEW	New buy
45	EWJ	Ishares Msci Japan ETF	—	NEW	New buy
46	DELL	Dell Technologies -c	—	NEW	New buy
47	DECK	Deckers Outdoor CORP	—	NEW	New buy
48	WFC	Wells Fargo & Co	—	NEW	New buy
49	BKR	Baker Hughes Co	—	NEW	New buy
50	J	Jacobs Solutions INC	—	NEW	New buy

Filing History

Period	Filed	Type	EDGAR
2026 Q1	2026-05-13	13F-HR	View on EDGAR
2025 Q4	2026-02-17	13F-HR	View on EDGAR
2025 Q3	2025-11-17	13F-HR	View on EDGAR
2025 Q2	2025-08-14	13F-HR	View on EDGAR
2025 Q1	2025-05-15	13F-HR	View on EDGAR
2024 Q4	2025-02-14	13F-HR	View on EDGAR
2024 Q3	2024-11-14	13F-HR	View on EDGAR
2024 Q2	2024-08-13	13F-HR	View on EDGAR
2024 Q1	2024-05-13	13F-HR	View on EDGAR
2023 Q4	2024-02-14	13F-HR	View on EDGAR
2023 Q3	2023-11-13	13F-HR	View on EDGAR
2023 Q2	2023-08-11	13F-HR	View on EDGAR
2023 Q1	2023-05-12	13F-HR	View on EDGAR
2022 Q4	2023-02-14	13F-HR	View on EDGAR
2022 Q3	2022-11-14	13F-HR	View on EDGAR
2022 Q2	2022-08-15	13F-HR	View on EDGAR
2022 Q1	2022-05-12	13F-HR	View on EDGAR
2021 Q4	2022-02-14	13F-HR	View on EDGAR
2021 Q3	2021-11-12	13F-HR	View on EDGAR
2021 Q2	2021-08-16	13F-HR	View on EDGAR
2021 Q1	2021-05-14	13F-HR	View on EDGAR
2020 Q4	2021-02-16	13F-HR	View on EDGAR
2020 Q3	2020-11-13	13F-HR	View on EDGAR
2020 Q2	2020-08-11	13F-HR	View on EDGAR
2020 Q1	2020-05-14	13F-HR	View on EDGAR
2019 Q4	2020-02-12	13F-HR	View on EDGAR
2019 Q3	2019-11-12	13F-HR	View on EDGAR
2019 Q2	2019-08-14	13F-HR	View on EDGAR
2019 Q1	2019-05-13	13F-HR	View on EDGAR
2018 Q4	2019-02-13	13F-HR	View on EDGAR
2018 Q3	2018-11-14	13F-HR	View on EDGAR
2018 Q2	2018-08-13	13F-HR	View on EDGAR
2018 Q1	2018-05-15	13F-HR	View on EDGAR
2017 Q4	2018-02-14	13F-HR	View on EDGAR
2017 Q3	2017-11-13	13F-HR	View on EDGAR
2017 Q2	2017-08-14	13F-HR	View on EDGAR
2017 Q1	2017-05-12	13F-HR	View on EDGAR
2016 Q4	2017-02-14	13F-HR	View on EDGAR
2016 Q3	2016-11-14	13F-HR	View on EDGAR
2016 Q2	2016-08-15	13F-HR	View on EDGAR
2016 Q2	2016-08-15	Amendment	View on EDGAR
2016 Q1	2016-05-13	13F-HR	View on EDGAR
2015 Q4	2016-02-16	13F-HR	View on EDGAR
2015 Q3	2015-11-13	13F-HR	View on EDGAR
2015 Q2	2015-08-12	13F-HR	View on EDGAR
2015 Q1	2015-05-13	13F-HR	View on EDGAR
2014 Q4	2015-02-12	13F-HR	View on EDGAR
2014 Q3	2014-11-14	13F-HR	View on EDGAR
2014 Q2	2014-08-08	13F-HR	View on EDGAR
2014 Q1	2014-05-06	13F-HR	View on EDGAR
2013 Q4	2014-01-13	13F-HR	View on EDGAR
2013 Q3	2013-11-14	13F-HR	View on EDGAR
2013 Q2	2013-08-08	13F-HR	View on EDGAR

FAQ

What is Aureus Asset Management, LLC and what type of investor is it?

Aureus Asset Management, LLC is an investment manager that files SEC Form 13F quarterly, disclosing its U.S. public equity holdings to regulators. As of the most recent reporting period (2026-03-31), the firm manages a tracked equity portfolio valued at approximately $1.5B, spread across 225 disclosed positions.

What are Aureus Asset Management, LLC's largest equity positions?

Based on the latest 13F filing, Aureus Asset Management, LLC's top holdings by market value are: 1. Alphabet Inc-cl A (GOOGL) — $72.7M (4.8%) 2. Microsoft CORP (MSFT) — $71.8M (4.8%) 3. Apple INC (AAPL) — $60.7M (4.0%) 4. Amazon.com INC (AMZN) — $58.9M (3.9%) 5. Applied Materials INC (AMAT) — $57.9M (3.9%)

What changes did Aureus Asset Management, LLC make in its most recent portfolio filing?

In the latest reported quarter, Aureus Asset Management, LLC made 50 notable position adjustments: 11 new positions were initiated, 13 existing holdings were added to, 20 positions were partially reduced, and 6 were completely exited. The largest of these moves: Sold out: Intuit INC (INTU); New buy: Flowserve CORP (FLS); New buy: American Water Works Co INC (AWK); Sold out: Costar Group INC (CSGP); Sold out: Paycom Software INC (PAYC)

What sectors does Aureus Asset Management, LLC focus on?

Aureus Asset Management, LLC is concentrated in the following sectors based on its current disclosed equity portfolio: • Information Technology: 26.3% • Financials: 19.4% • Health Care: 11.6% • Industrials: 11.5% • Communication Services: 9.5% • Consumer Discretionary: 6.5%

Peer Institutions

Institutions with a similar AUM

Theleme Partners LLP

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Total reported value

$1.5B

10 stks

2026-03-31

Concentration64.1

Portfolio Stability44.2

Sector conviction62.8

AUM within 0.0% of this institution

View detail

Johnson Financial Group, LLC

CIK 0001706327

Total reported value

$1.5B

185 stks

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Concentration100.0

Portfolio Stability16.6

Sector conviction61.0

AUM within 0.0% of this institution

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Herr Investment Group LLC

CIK 0001922235

Total reported value

$1.5B

71 stks

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Stale — no recent filing

Concentration69.8

Portfolio Stability0.0

Sector conviction100.0

AUM within 0.1% of this institution

View detail

Similar Holdings Style

Institutions with overlapping top holdings

Associated Banc-Corp

CIK 0000007789

Total reported value

$3.8B

332 stks

2026-03-31

Concentration6.8

Portfolio Stability14.2

Sector conviction44.0

Also holds Alphabet Inc-cl A as its largest position

View detail

Central Securities Corp

CIK 0000018748

Total reported value

$1.2B

30 stks

2026-03-31

Concentration19.1

Portfolio Stability22.7

Sector conviction65.2

Also holds Alphabet Inc-cl A as its largest position

View detail

Chase Investment Counsel CORP

CIK 0000019475

Total reported value

$380.9M

149 stks

2026-03-31

Concentration7.3

Portfolio Stability48.2

Sector conviction49.5

Also holds Alphabet Inc-cl A as its largest position

View detail

Developer Access

Access Aureus Asset Management, LLC's institutional profile programmatically:

REST API

curl https://alphasmo.com/api/v1/institutions/aureus-asset-management-llc

CLI

npx alphasmo institutions get aureus-asset-management-llc

Full API & MCP documentation →