Aureus Asset Management, LLC — 13F Holdings & Portfolio

CIK 1381296 · latest 13F-HR filed 2026-08-14

Aureus Asset Management, LLC manages $1.65B in 13F-reported U.S. long-equity assets across 239 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are GOOGL (5.45%), AMAT (4.59%), AAPL (4.25%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 31 new positions, exited 17, added to 103, 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.

Filer Information
Address
ONE WINTHROP SQUARE
BOSTON, MA 02110
Phone
(617) 728-8900
Filing Manager
Aureus Asset Management, LLC
BOSTON, MA
Signatory
Connor McCarron
Trader
Loading holdings…
AUM

$1.65B

Long-equity book

Holdings

239

Distinct positions

Period

2026-06-30

Filed 2026-08-14

Q/Q Activity

+31 / −17 / ↑103 / ↓54

vs 2026-03-31

Firm Profile & Key People
Name Title / Status Ownership Type

Top Adds (vs prior quarter)

  • UNITEDHEALTH GROUP INC$19.1M +56.2%
  • APPLIED MATLS INC$17.6M +30.4%
  • ALPHABET INC$17.0M +23.3%
  • TEXAS INSTRS INC$13.7M +171.0%
  • TAIWAN SEMICONDUCTOR MANUFAC$12.4M +30.3%
Show all 103

Top Trims

  • BOSTON SCIENTIFIC CORP-$15.1M -94.0%
  • WABTEC-$12.2M -30.3%
  • FLOWSERVE CORP-$11.3M -42.9%
  • ABBOTT LABORATORIES-$5.6M -16.4%
  • MICROSOFT CORP-$5.0M -6.9%
Show all 54

New Positions

  • IDEX CORP$20.5M
  • DEVON ENERGY CORP NEW$3.9M
  • DOMINOS PIZZA INC$2.6M
  • HONEYWELL INTL INC$2.5M
  • HONEYWELL AEROSPACE INC$2.5M
Show all 31

Exited Positions

  • Honeywell International Inc$5.0M
  • Marriott International Inc$4.7M
  • Cabot Oil & Gas Corporation$751.4K
  • Autodesk Inc$550.4K
  • Ciena Corp Com New$495.4K
Show all 17
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 GOOGL 02079K305 $89.6M 5.45% 250,797 SH
2 APPLIED MATLS INC AMAT 038222105 $75.5M 4.59% 104,403 SH
3 APPLE INC AAPL 037833100 $69.9M 4.25% 241,737 SH
4 AMAZON COM INC AMZN 023135106 $67.2M 4.09% 282,141 SH
5 MICROSOFT CORP MSFT 594918104 $66.9M 4.06% 179,278 SH
6 VISA INC V 92826C839 $59.2M 3.60% 172,597 SH
7 BROADCOM INC AVGO 11135F101 $58.9M 3.58% 156,049 SH
8 SCHWAB CHARLES CORP SCHW 808513105 $55.4M 3.37% 600,554 SH
9 LINDE PLC LIN G54950103 $54.9M 3.33% 105,720 SH
10 WASTE CONNECTIONS INC WCN 94106B101 $54.4M 3.30% 326,138 SH
11 TAIWAN SEMICONDUCTOR MANUFAC TSM 874039100 $53.2M 3.23% 111,481 SH
12 UNITEDHEALTH GROUP INC UNH 91324P102 $53.1M 3.23% 127,832 SH
13 NEXTERA ENERGY INC NEE 65339F101 $52.3M 3.18% 595,785 SH
14 NVIDIA CORPORATION NVDA 67066G104 $51.3M 3.11% 256,163 SH
15 META PLATFORMS INC META 30303M102 $43.2M 2.62% 76,690 SH
16 THERMO FISHER SCIENTIFIC INC TMO 883556102 $37.5M 2.28% 74,805 SH
17 AMERICAN EXPRESS CO AXP 025816109 $37.5M 2.28% 110,783 SH
18 S&P GLOBAL INC SPGI 78409V104 $34.6M 2.10% 85,032 SH
19 APOLLO GLOBAL MGMT INC APO 03769M106 $33.8M 2.05% 285,691 SH
20 ABBOTT LABORATORIES ABT 002824100 $28.5M 1.73% 313,871 SH
21 BLACKSTONE INC BX 09260D107 $28.0M 1.70% 238,299 SH
22 WABTEC WAB 929740108 $28.0M 1.70% 103,893 SH
23 CNX RES CORP CNX 12653C108 $24.2M 1.47% 712,168 SH
24 TEXAS INSTRS INC TXN 882508104 $21.7M 1.32% 72,675 SH
25 AMERICAN WTR WKS CO INC NEW AWK 030420103 $21.6M 1.31% 164,063 SH
26 ORACLE CORP ORCL 68389X105 $21.4M 1.30% 146,220 SH
27 IDEX CORP IEX 45167R104 $20.5M 1.24% 90,224 SH
28 MOOG INC MOG.A 615394202 $18.5M 1.13% 43,702 SH
29 ISHARES TR IVV 464287200 $18.0M 1.09% 24,015 SH
30 ALPHABET INC GOOG 02079K107 $16.7M 1.02% 47,389 SH
31 FLOWSERVE CORP FLS 34354P105 $15.0M 0.91% 202,821 SH
32 MORGAN STANLEY MS 617446448 $10.6M 0.65% 50,794 SH
33 WILLIAMS COS INC WMB 969457100 $10.5M 0.64% 140,693 SH
34 SERVICE CORP INTL SCI 817565104 $8.9M 0.54% 117,446 SH
35 STERIS PLC STE G8473T100 $8.9M 0.54% 42,249 SH
36 WESCO INTL INC WCC 95082P105 $8.5M 0.52% 24,654 SH
37 COCA COLA CO KO 191216100 $7.5M 0.46% 92,498 SH
38 AGILENT TECHNOLOGIES INC A 00846U101 $7.2M 0.44% 53,999 SH
39 QXO INC QXO 82846H405 $7.1M 0.43% 410,244 SH
40 JPMORGAN CHASE & CO JPM 46625H100 $6.9M 0.42% 21,189 SH
41 GAMING & LEISURE P GLPI 36467J108 $6.5M 0.39% 145,285 SH
42 STATE STR SPDR S&P 500 ETF T SPY 78462F103 $6.4M 0.39% 8,586 SH
43 ISHARES TR IWM 464287655 $6.4M 0.39% 21,304 SH
44 ISHARES TR IWD 464287598 $6.3M 0.38% 25,814 SH
45 CABOT CORP CBT 127055101 $6.1M 0.37% 67,080 SH
46 MICRON TECHNOLOGY INC MU 595112103 $5.4M 0.33% 4,664 SH
47 CME GROUP INC CME 12572Q105 $4.8M 0.29% 21,610 SH
48 COHERENT CORP COHR 19247G107 $4.6M 0.28% 11,587 SH
49 DELL TECHNOLOGIES INC DELL 24703L202 $4.5M 0.27% 10,389 SH
50 VANGUARD INTL EQUITY INDEX F VWO 922042858 $4.2M 0.25% 69,542 SH
Filing History
Period Filed AUM Holdings Accession
2026-06-30 2026-08-14 $1.65B 239 0001398344-26-014481
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