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AVITY INVESTMENT MANAGEMENT INC. — 13F Holdings & Portfolio

CIK 926834 · latest 13F-HR filed 2026-10-09

Backtest portfolio

AVITY INVESTMENT MANAGEMENT INC. manages $1.60B in 13F-reported U.S. long-equity assets across 120 reported positions as of its 2026-09-30 13F-HR filing. Its largest disclosed positions are AAPL (5.18%), PANW (4.32%), AMAT (4.23%). Quarter over quarter (versus its 2026-06-30 filing) the fund opened 6 new positions and exited 4; 34 existing positions rose in reported value and 43 fell.

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.

Loading holdings…
AUM
$1.60B

Long-equity book

Holdings
120

Distinct positions

Period
2026-09-30

Filed 2026-10-09

Q/Q Activity
+6 / −4 / ↑34 / ↓43

vs 2026-06-30

Portfolio charts

Latest quarter's book, what changed, and how the portfolio has evolved across filings.

Portfolio map

Q3 26
AAPL5.2% · -5%PANW4.3% · -11%AMAT4.2% · +1%MSFT4.2% · +3%AMZN4.1% · -0%APH4.0% · +98%NVDA4.0% · -4%JNJ3.8% · -1%GOOG3.7% · -2%META3.3% · -17%TXN3.2% · +4%V3.0% · +0%AMD2.8% · +70%TJX2.7% · +9%TMO2.7% · +0%MRSH2.7% · +18%ETN2.7% · -4%RTX2.6% · -3%CVX2.4% · +1%BDX2.3% · +23%NEE2.3% · -2%ODFL2.0% · +2%JPM2.0% · -2%ECL1.9% · -8%AMGN1.8% · -8%CL1.8% · -2%NOW1.8% · +34%MELI1.5% · +12%C1.2% · +17%VOO1.1% · +2%GOOGL1.1% · +0%PG0.9% · +1%EFA0.9% · -0%UBER0.9% · +4%TFC0.8% · -5%BJ0.7% · +16%IBM0.7% · +2%DCI0.7% · newSPY0.5% · -2%BRK.B0.5% · -0%CARR0.4% · -33%IWF0.4% · -5%FLRN0.4% · +6%VIG0.4% · -1%VWO0.3% · +3%PMBS0.2% · +25%KO0.2% · -1%XOM0.2% · +18%ORCL0.2% · -88%SCHG0.2% · 0%RJF0.2% · -81%GWW0.2% · +371%ADI0.2% · newMRK0.2% · -2%GS0.2% · -0%UNP0.2% · 0%SCHV0.1% · 0%PEP0.1% · +1%HD0.1% · -1%LOW0.1% · 0%

Box size = position value; colour = change in share count vs the prior quarter (green added, red trimmed, blue new). Rows split across managers or share classes are combined. Click a box for the stock.

Sector mix

% of 13F value

Sectors from each company's SIC code; funds and ETFs grouped separately.

Biggest buys and sells

Q2 26 → Q3 26

Estimated from the change in shares held × the quarter-end price, so price moves alone don't count as buying. New and exited positions are included.

13F assets and positions

4 quarters

Total reported 13F value (bars) and number of positions (line) each quarter. Value changes include market moves.

Top positions over time

reported value

The eight largest current positions, valued at each quarter end.

Concentration

top 10 = 40.9%

Cumulative share of the portfolio held in the largest N positions.

Firm Profile & Key People

As of the firm’s regulatory filing dated Jun 25, 2026.

Assets Under Management
$2.03B
Discretionary
$2.03B
Employees
8
Accounts
826
Address
80 FIELD POINT RD.
GREENWICH, CT 06830-6416
Phone
(203) 629-2800
Website
Name Title / Status Ownership Type
DUNCAN, HOWARD, PARK ControlPRESIDENT & TREASURER
since Jul 2023
25–50%Individual
LONG, EDWARD, CHARLES ControlEXECUTIVE VICE PRESIDENT & SECRETARY
since Dec 2005
25–50%Individual
WARD, CHRISTOPHER, D ControlVICE PRESIDENT, PRINCIPAL, & CHIEF COMPLIANCE OFFICER
since Feb 2025
10–25%Individual
Ownership & leadership changes · 5 filings with changes since Nov 15, 2011

From the firm’s regulatory filings, newest first. Dates are filing dates: a filing that no longer lists someone does not say when they left.

Mar 6, 2025 filing
  • ChangedDUNCAN, HOWARD, PARK · title PRESIDENT & TREASURER & CHIEF COMPLIANCE OFFICER → PRESIDENT & TREASURER; ownership 50–75% → 25–50%
  • ChangedWARD, CHRISTOPHER, D · title VICE PRESIDENT → VICE PRESIDENT, PRINCIPAL, & CHIEF COMPLIANCE OFFICER; ownership Less than 5% → 10–25%
Jul 12, 2023 filing
  • No longer listedGRIMM, STEPHEN, KIRKMAN · PRESIDENT & TREASURER · 25–50% · control person · listed since Dec 2002
  • ChangedDUNCAN, HOWARD, PARK · title E.V.P. & CHIEF COMPLIANCE OFFICER → PRESIDENT & TREASURER & CHIEF COMPLIANCE OFFICER; ownership 25–50% → 50–75%
Aug 23, 2022 filing
  • AddedWARD, CHRISTOPHER, D · VICE PRESIDENT · Less than 5% · control person
Feb 1, 2021 filing
  • No longer listedGILLESPIE, THOMAS, HOWARD · DIRECTOR · 10–25% · control person · listed since Nov 1971
  • ChangedDUNCAN, HOWARD, PARK · title E.V.P., SECRETARY & CHIEF COMPLIANCE OFFICER → E.V.P. & CHIEF COMPLIANCE OFFICER
  • ChangedLONG, EDWARD, CHARLES · title EXECUTIVE VICE PRESIDENT → EXECUTIVE VICE PRESIDENT & SECRETARY; ownership 10–25% → 25–50%
Mar 21, 2013 filing
  • ChangedGILLESPIE, THOMAS, HOWARD · ownership 25–50% → 10–25%
  • ChangedLONG, EDWARD, CHARLES · ownership 5–10% → 10–25%
Nov 15, 2011 filing (earliest on record)
  • ListedDUNCAN, HOWARD, PARK · E.V.P., SECRETARY & CHIEF COMPLIANCE OFFICER · 25–50% · control person
  • ListedGILLESPIE, THOMAS, HOWARD · DIRECTOR · 25–50% · control person
  • ListedGRIMM, STEPHEN, KIRKMAN · PRESIDENT & TREASURER · 25–50% · control person
  • ListedLONG, EDWARD, CHARLES · EXECUTIVE VICE PRESIDENT · 5–10% · control person

Quarter-over-quarter changes

Changes in reported position value vs the prior 13F, so price moves count too, not just shares bought or sold.

AVITY INVESTMENT MANAGEMENT INC. Holdings (2026-09-30)

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 APPLE INC AAPL 037833100 $82.6M 5.18% 248,138 SH
2 PALO ALTO NETWORKS INC PANW 697435105 $69.0M 4.32% 173,721 SH
3 APPLIED MATLS INC AMAT 038222105 $67.6M 4.23% 132,143 SH
4 MICROSOFT CORP MSFT 594918104 $66.8M 4.18% 130,240 SH
5 AMAZON COM INC AMZN 023135106 $64.8M 4.06% 260,040 SH
6 AMPHENOL CORP APH 032095101 $64.3M 4.03% 762,835 SH
7 NVIDIA CORPORATION NVDA 67066G104 $64.3M 4.03% 281,538 SH
8 JOHNSON & JOHNSON JNJ 478160104 $61.2M 3.83% 231,063 SH
9 ALPHABET INC GOOG 02079K107 $59.7M 3.74% 175,082 SH
10 META PLATFORMS INC META 30303M102 $52.6M 3.30% 72,549 SH
11 TEXAS INSTRS INC TXN 882508104 $51.5M 3.23% 183,858 SH
12 VISA INC V 92826C839 $47.3M 2.96% 131,689 SH
13 ADVANCED MICRO DEVICES INC AMD 007903107 $44.7M 2.80% 73,065 SH
14 TJX COS INC NEW TJX 872540109 $43.5M 2.72% 328,576 SH
15 THERMO FISHER SCIENTIFIC INC TMO 883556102 $42.9M 2.69% 63,581 SH
16 MARSH & MCLENNAN COS INC MRSH 571748102 $42.6M 2.67% 249,522 SH
17 EATON CORP PLC ETN G29183103 $42.4M 2.65% 98,622 SH
18 RTX CORPORATION RTX 75513E101 $41.3M 2.58% 222,260 SH
19 CHEVRON CORPORATION CVX 166764100 $38.2M 2.39% 186,918 SH
20 BECTON DICKINSON & CO BDX 075887109 $37.5M 2.35% 209,385 SH
21 NEXTERA ENERGY INC NEE 65339F101 $37.2M 2.33% 491,345 SH
22 OLD DOMINION FREIGHT LINE IN ODFL 679580100 $32.1M 2.01% 184,419 SH
23 JPMORGAN CHASE & CO JPM 46625H100 $31.3M 1.96% 94,614 SH
24 ECOLAB INC ECL 278865100 $30.0M 1.88% 109,125 SH
25 AMGEN INC AMGN 031162100 $29.5M 1.85% 69,958 SH
26 COLGATE PALMOLIVE CO CL 194162103 $29.4M 1.84% 345,092 SH
27 SERVICENOW INC NOW 81762P102 $28.5M 1.79% 212,979 SH
28 MERCADOLIBRE INC MELI 58733R102 $23.9M 1.50% 13,822 SH
29 CITIGROUP INC C 172967424 $19.3M 1.21% 148,799 SH
30 VANGUARD INDEX FDS VOO 922908363 $17.9M 1.12% 25,489 SH
31 ALPHABET INC GOOGL 02079K305 $17.3M 1.08% 50,152 SH
32 PROCTER & GAMBLE CO PG 742718109 $15.0M 0.94% 103,046 SH
33 ISHARES TR EFA 464287465 $14.5M 0.91% 139,269 SH
34 UBER TECHNOLOGIES INC UBER 90353T100 $13.6M 0.85% 198,893 SH
35 TRUIST FINL CORP TFC 89832Q109 $12.8M 0.80% 277,292 SH
36 BJS WHSL CLUB HLDGS INC BJ 05550J101 $11.7M 0.73% 127,510 SH
37 INTERNATIONAL BUSINESS MACHS IBM 459200101 $11.7M 0.73% 53,216 SH
38 DONALDSON INC DCI 257651109 $10.9M 0.68% 125,498 SH
39 STATE STR SPDR S&P 500 ETF T SPY 78462F103 $8.2M 0.52% 10,814 SH
40 BERKSHIRE HATHAWAY INC DEL BRK.B 084670702 $7.4M 0.46% 14,905 SH
41 CARRIER GLOBAL CORPORATION CARR 14448C104 $7.2M 0.45% 130,674 SH
42 ISHARES TR IWF 464287614 $6.9M 0.43% 54,757 SH
43 SPDR SERIES TRUST FLRN 78468R200 $6.2M 0.39% 202,638 SH
44 VANGUARD SPECIALIZED FUNDS VIG 921908844 $5.6M 0.35% 24,114 SH
45 VANGUARD INTL EQUITY INDEX F VWO 922042858 $4.2M 0.26% 70,232 SH
46 PIMCO ETF TR PMBS 72201R569 $3.9M 0.24% 84,130 SH
47 COCA COLA CO KO 191216100 $3.8M 0.24% 43,928 SH
48 EXXONMOBIL HOLDINGS CORP XOM 30233Q108 $3.7M 0.23% 22,467 SH
49 ORACLE CORP ORCL 68389X105 $3.1M 0.19% 22,285 SH
50 SCHWAB STRATEGIC TR SCHG 808524300 $3.1M 0.19% 85,022 SH
Filing History
Period Filed AUM Holdings Accession
2026-09-30 2026-10-09 $1.60B 120 0001951757-26-001656
2026-06-30 2026-07-09 $1.57B 118 0001951757-26-000933
2026-03-31 2026-04-08 $1.37B 114 0001951757-26-000543
2025-12-31 2026-01-13 $1.43B 107 0001951757-26-000073
Filer Information
Address
80 FIELD POINT ROAD
GREENWICH, CT 06830
Phone
(203) 629-2800
Filing Manager
AVITY INVESTMENT MANAGEMENT INC.
GREENWICH, CT
Signatory
Christopher Ward
Chief Compliance Officer