Aureus Asset Management, LLC — 13F Holdings & Portfolio

CIK 1381296 · latest 13F-HR filed 2026-05-13

Aureus Asset Management, LLC manages $1.50B in 13F-reported U.S. long-equity assets across 225 reported positions as of its 2026-03-31 13F-HR filing. Its largest disclosed positions are GOOGL (4.84%), MSFT (4.79%), AAPL (4.04%). Quarter over quarter (versus its 2025-12-31 filing) the fund opened 52 new positions, exited 28, added to 79, and trimmed 54.

AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.

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AUM

$1.50B

Long-equity book

Holdings

225

Distinct positions

Period

2026-03-31

Filed 2026-05-13

Q/Q Activity

+52 / −28 / ↑79 / ↓54

vs 2025-12-31

Firm Profile & Key People
Name Title / Status Ownership Type

Top Adds (vs prior quarter)

  • Linde PLC$29.6M +127.0%
  • Applied Materials Inc$12.1M +26.4%
  • NextEra Energy Inc$7.9M +16.6%
  • Service Corporation International$6.3M +214.0%
  • Oracle Corp$5.0M +31.3%
Show all 79

Top Trims

  • Microsoft Corp-$24.5M -25.4%
  • Alphabet Inc. Class A-$20.9M -22.3%
  • American Express Co-$17.5M -34.3%
  • Healthequity, Inc.-$17.5M -86.8%
  • Booking Holdings, Inc.-$17.3M -88.9%
Show all 54

New Positions

  • Flowserve Corp$26.3M
  • American Water Works Co Inc$22.7M
  • Boston Scientific Corp$16.0M
  • Agilent Technologies Inc$3.3M
  • Guggenheim S&P 500 Equal Weight ETF$3.0M
Show all 52

Exited Positions

  • Intuit, Inc.$33.2M
  • Costar Group, Inc.$22.7M
  • Paycom Software, Inc.$18.6M
  • Deere & Company$6.0M
  • Roper Technologies, Inc.$4.5M
Show all 28
All Holdings

Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).

# Issuer Symbol CUSIP Value Weight Shares Type
1 Alphabet Inc. Class A GOOGL 02079K305 $72.7M 4.84% 252,727 SH
2 Microsoft Corp MSFT 594918104 $71.8M 4.79% 194,078 SH
3 Apple Inc AAPL 037833100 $60.7M 4.04% 239,082 SH
4 Amazon.com Inc AMZN 023135106 $58.9M 3.92% 282,835 SH
5 Applied Materials Inc AMAT 038222105 $57.9M 3.86% 169,425 SH
6 Charles Schwab Corporation SCHW 808513105 $56.9M 3.79% 605,564 SH
7 NextEra Energy Inc NEE 65339F101 $55.7M 3.71% 599,508 SH
8 Linde PLC LIN G54950103 $52.9M 3.52% 106,606 SH
9 Visa Inc V 92826C839 $52.6M 3.50% 173,989 SH
10 Waste Connections Inc WCN 94106B101 $51.1M 3.40% 314,556 SH
11 Broadcom Inc AVGO 11135F101 $48.2M 3.21% 155,784 SH
12 NVIDIA Corp NVDA 67066G104 $43.9M 2.93% 251,842 SH
13 Meta Platforms Inc META 30303M102 $43.3M 2.89% 75,751 SH
14 Taiwan Semiconductor Manufacturing Co Ltd TSM 874039100 $40.9M 2.72% 120,933 SH
15 Westinghouse Air Brake Technologies Corp WAB 929740108 $40.2M 2.68% 160,820 SH
16 S&P Global Inc SPGI 78409V104 $37.9M 2.52% 89,050 SH
17 Thermo Fisher Scientific Inc TMO 883556102 $37.4M 2.49% 76,103 SH
18 Abbott Laboratories ABT 002824100 $34.1M 2.27% 331,920 SH
19 UnitedHealth Group Inc UNH 91324P102 $34.0M 2.27% 125,691 SH
20 American Express Co AXP 025816109 $33.6M 2.24% 111,193 SH
21 Blackstone Inc BX 09260D107 $28.4M 1.89% 246,989 SH
22 CNX Resources Corp CNX 12653C108 $27.6M 1.84% 716,053 SH
23 Apollo Global Management Inc APO 03769M106 $27.4M 1.83% 246,353 SH
24 Flowserve Corp FLS 34354P105 $26.3M 1.75% 358,392 SH
25 American Water Works Co Inc AWK 030420103 $22.7M 1.51% 166,878 SH
26 Oracle Corp ORCL 68389X105 $20.8M 1.38% 141,255 SH
27 iShares Core S&P 500 ETF IVV 464287200 $16.8M 1.12% 25,671 SH
28 Boston Scientific Corp BSX 101137107 $16.0M 1.07% 255,363 SH
29 Alphabet, Inc. GOOG 02079K107 $13.7M 0.91% 47,774 SH
30 Moog Inc MOG.A 615394202 $12.5M 0.83% 42,690 SH
31 Williams Companies Inc WMB 969457100 $10.0M 0.66% 137,069 SH
32 Service Corporation International SCI 817565104 $9.3M 0.62% 112,192 SH
33 STERIS PLC STE G8473T100 $8.3M 0.55% 37,610 SH
34 QXO Inc Com New QXO 82846H405 $8.0M 0.53% 411,813 SH
35 Texas Instruments Inc TXN 882508104 $8.0M 0.53% 41,173 SH
36 Morgan Stanley MS 617446448 $7.8M 0.52% 47,126 SH
37 Coca-Cola Co KO 191216100 $6.8M 0.45% 89,764 SH
38 Wesco International Inc WCC 95082P105 $6.6M 0.44% 23,971 SH
39 Gaming and Leisure Properties Inc GLPI 36467J108 $6.3M 0.42% 142,244 SH
40 CME Group Inc CME 12572Q105 $6.2M 0.41% 20,835 SH
41 JPMorgan Chase & Co JPM 46625H100 $6.0M 0.40% 20,282 SH
42 Spdr S&P 500 ETF Trust SPY 78462F103 $5.8M 0.39% 8,958 SH
43 iShares Russell 1000 Value ETF IWD 464287598 $5.8M 0.39% 27,245 SH
44 iShares Russell 2000 ETF IWM 464287655 $5.4M 0.36% 21,901 SH
45 Cabot Corporation CBT 127055101 $5.1M 0.34% 67,080 SH
46 Honeywell International Inc HON 438516106 $5.0M 0.33% 22,001 SH
47 Sherwin-Williams Co SHW 824348106 $4.9M 0.33% 15,306 SH
48 Marriott International Inc MAR 571903202 $4.7M 0.31% 14,387 SH
49 Mcdonald's Corporation MCD 580135101 $4.7M 0.31% 14,964 SH
50 Vanguard FTSE Emerging Markets ETF VWO 922042858 $3.9M 0.26% 71,963 SH
Filing History
Period Filed AUM Holdings Accession
2026-03-31 2026-05-13 $1.50B 225 0001381296-26-000002
2025-12-31 2026-02-17 $1.57B 201 0001381296-26-000001
2025-09-30 2025-11-17 $1.54B 199 0001381296-25-000005