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CHILTON INVESTMENT CO INC. — 13F Holdings & Portfolio

CIK 1332632 · latest 13F-HR filed 2026-08-14

Backtest portfolio

CHILTON INVESTMENT CO INC. manages $4.17B in 13F-reported U.S. long-equity assets across 299 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are MSFT (8.03%), COST (6.96%), RSG (6.04%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 40 new positions and exited 21; 145 existing positions rose in reported value and 76 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.

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AUM
$4.17B

Long-equity book

Holdings
299

Distinct positions

Period
2026-06-30

Filed 2026-08-14

Q/Q Activity
+40 / −21 / ↑145 / ↓76

vs 2026-03-31

Portfolio charts

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

Portfolio map

Q2 26
MSFT8.0% · -6%COST7.0% · -8%RSG6.0% · -6%SHW5.6% · -32%APH4.7% · -19%AMZN4.6% · +7%MA4.2% · -15%GOOGL4.2% · +25%IBM3.3% · +3%HD3.2% · -30%CTAS3.1% · -2%AAPL2.8% · +105%AXP2.5% · -7%AJG2.3% · -16%WRB2.3% · -4%MCO1.9% · -9%ETN1.6% · +22%DE1.5% · +0%PH1.3% · -9%MS1.3% · -5%XYL1.2% · +576%V1.0% · +88%MDT1.0% · +4%BRK.B0.9% · -14%ORLY0.8% · -0%GOOG0.8% · +10%SPY0.8% · +1%PGR0.8% · -63%TROW0.7% · 0%TXN0.7% · -28%CRH0.7% · -36%META0.6% · -12%FERG0.6% · +622%BNY0.6% · newTMO0.4% · -23%VUG0.4% · +433%VTI0.4% · +0%BX0.4% · -7%BOBS0.3% · newAVGO0.3% · -1%HUBB0.3% · +141%JPM0.3% · -0%VTV0.3% · +1%VEA0.3% · 0%IVV0.3% · +596%AADX0.3% · newDPZ0.3% · -57%MCD0.2% · -13%IWB0.2% · 0%VOE0.2% · 0%TSM0.2% · +6%ATFV0.2% · +79%LRCX0.2% · -18%NVDA0.2% · -2%TDY0.2% · +0%AZO0.2% · -86%VRSK0.2% · +110%VEU0.2% · +0%ADI0.2% · -6%YUM0.2% · +991%

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

Q1 26 → Q2 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 = 50.8%

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

Firm Profile & Key People

As of the firm’s regulatory filing dated Mar 16, 2026.

Assets Under Management
$3.23B
Discretionary
$3.23B
Employees
27
Accounts
2,166
Address
1177 WEST LOOP SOUTH
SUITE 1200
HOUSTON, TX 77027-9062
Phone
(713) 650-1995
Website
Name Title / Status Ownership Type
EIXMANN, BRADLEY, JOHN ControlCHIEF INVESTMENT OFFICER AND SENIOR PORTFOLIO MANAGER
since Jun 2019
Less than 5%Individual
FRANK, BRANDON, J ControlCHIEF FINANCIAL OFFICER
since Sep 2021
Less than 5%Individual
GENUNG, LAURA, LEMAN ControlMEMBER OF THE BOARD OF MANAGERS AND PRESIDENT
since May 2020
Less than 5%Individual
KNAPP BROTHERS, LLC ControlMEMBER
since Jan 1998
50–75%Domestic Entity
LOOTENS, TIMOTHY, JORIS ControlMEMBER OF THE BOARD OF MANAGERS, MANGING DIRECTOR AND SECRETARY
since May 2020
Less than 5%Individual
ROBERTSON, JOHN, EDWARD ControlMEMBER OF THE BOARD OF MANAGERS, MANGING DIRECTOR AND OFFICER
since May 2020
Less than 5%Individual
ST. PAUL, ARMAND, CHRIST ControlCHIEF COMPLIANCE OFFICER
since Feb 2017
Less than 5%Individual
UNDERWOOD JR., DAVID, MILTON ControlCHAIRMAN OF THE BOARD OF MANAGERS AND CHIEF EXECUTIVE OFFICER
since Jan 2017
10–25%Individual
KNAPP, ALFRED, JOHN Control
Indirect owner via KNAPP BROTHERS, LLC
MEMBER
since Jan 1998
25–50%Individual
UNDERWOOD JR., DAVID, MILTON Control
Indirect owner via KNAPP BROTHERS, LLC
MEMBER
since Jan 1998
50–75%Individual
Ownership & leadership changes · 13 filings with changes since Mar 30, 2012

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 31, 2022 filing
  • No longer listedCAUTHORN, JULIA, JUSTICE · PORTFOLIO MANAGER AND MEMBER · 5–10% · listed since Jun 2018
  • AddedFRANK, BRANDON, J · CHIEF FINANCIAL OFFICER · Less than 5% · control person
  • ChangedEIXMANN, BRADLEY, JOHN · title CHIEF INVESTMENT OFFICER → CHIEF INVESTMENT OFFICER AND SENIOR PORTFOLIO MANAGER
  • ChangedGENUNG, LAURA, LEMAN · title WEALTH ADVISOR AND MEMBER OF THE BOARD OF MANAGERS → MEMBER OF THE BOARD OF MANAGERS AND PRESIDENT
  • ChangedLOOTENS, TIMOTHY, JORIS · title WEALTH ADVISOR AND MEMBER OF THE BOARD OF MANAGERS → MEMBER OF THE BOARD OF MANAGERS, MANGING DIRECTOR AND SECRETARY
  • ChangedROBERTSON, JOHN, EDWARD · title WEALTH ADVISOR AND MEMBER OF THE BOARD OF MANAGERS → MEMBER OF THE BOARD OF MANAGERS, MANGING DIRECTOR AND OFFICER
  • ChangedUNDERWOOD JR., DAVID, MILTON · title CHAIRMAN OF THE BOARD OF MANAGERS, PRESIDENT, SECRETARY AND CHIEF FINANCIAL OFFICER → CHAIRMAN OF THE BOARD OF MANAGERS AND CHIEF EXECUTIVE OFFICER; ownership 5–10% → 10–25%
  • ChangedUNDERWOOD JR., DAVID, MILTON · indirect via KNAPP BROTHERS, LLC: ownership 25–50% → 50–75%
Mar 31, 2021 filing
  • No longer listedGRACE, RUSSELL, RANDALL · PORTFOLIO MANAGER AND MEMBER OF THE BOARD OF MANAGERS · 5–10% · control person · listed since Jul 2018
Jun 15, 2020 filing
  • No longer listedROME, MICHAEL, EUGENE · CHIEF EXECUTIVE OFFICER AND MEMBER OF THE BOARD OF MANAGERS · Less than 5% · control person · listed since Nov 2016
  • AddedGENUNG, LAURA, LEMAN · WEALTH ADVISOR AND MEMBER OF THE BOARD OF MANAGERS · Less than 5% · control person
  • AddedLOOTENS, TIMOTHY, JORIS · WEALTH ADVISOR AND MEMBER OF THE BOARD OF MANAGERS · Less than 5% · control person
  • AddedROBERTSON, JOHN, EDWARD · WEALTH ADVISOR AND MEMBER OF THE BOARD OF MANAGERS · Less than 5% · control person
Mar 27, 2020 filing
  • No longer listedWOZENCRAFT, FRANK, MCREYNOLDS · MEMBER · 5–10% · listed since Mar 2018
  • ChangedKNAPP, ALFRED, JOHN · indirect via KNAPP BROTHERS, LLC: now a control person
  • ChangedUNDERWOOD JR., DAVID, MILTON · ownership Less than 5% → 5–10%
Jul 17, 2019 filing
  • No longer listedWYNKOOP, DOUGLAS, ROBERT · CHIEF INVESTMENT OFFICER · Less than 5% · control person · listed since Mar 2018
  • AddedEIXMANN, BRADLEY, JOHN · CHIEF INVESTMENT OFFICER · Less than 5% · control person
Mar 30, 2019 filing
  • No longer listedKNAPP, BRECKINRIDGE, LYKES · MEMBER · 25–50% · indirect via KNAPP BROTHERS, LLC · listed since Jan 1998
Jul 10, 2018 filing
  • No longer listedKNAPP, CHRISTOPHER, LYKES · MEMBER · 25–50% · indirect via KNAPP BROTHERS, LLC · control person · listed since Jan 1998
  • No longer listedLAMME, CHARLES, LINDAS · MEMBER OF THE BOARD OF MANAGERS · Less than 5% · control person · listed since Apr 2010
  • AddedCAUTHORN, JULIA, JUSTICE · PORTFOLIO MANAGER AND MEMBER · 5–10%
  • Listed againGRACE, RUSSELL, RANDALL · PORTFOLIO MANAGER AND MEMBER OF THE BOARD OF MANAGERS · 5–10% · control person
  • ChangedKNAPP, ALFRED, JOHN · indirect via KNAPP BROTHERS, LLC: ownership General partner, trustee or manager → 25–50%
  • ChangedKNAPP, BRECKINRIDGE, LYKES · indirect via KNAPP BROTHERS, LLC: ownership General partner, trustee or manager → 25–50%
  • ChangedWYNKOOP, DOUGLAS, ROBERT · now a control person
Mar 29, 2018 filing
  • No longer listedGRACE, RUSSELL, RANDALL · PORTFOLIO MANAGER/ANALYST · 5–10% · listed since Feb 2007
  • AddedLAMME, CHARLES, LINDAS · MEMBER OF THE BOARD OF MANAGERS · Less than 5% · control person
  • AddedWOZENCRAFT, FRANK, MCREYNOLDS · MEMBER · 5–10%
  • AddedWYNKOOP, DOUGLAS, ROBERT · CHIEF INVESTMENT OFFICER · Less than 5%
  • ChangedKNAPP, ALFRED, JOHN · indirect via KNAPP BROTHERS, LLC: ownership 25–50% → General partner, trustee or manager
  • ChangedKNAPP, BRECKINRIDGE, LYKES · indirect via KNAPP BROTHERS, LLC: ownership 25–50% → General partner, trustee or manager
  • ChangedROME, MICHAEL, EUGENE · title CHIEF EXECUTIVE OFFICER → CHIEF EXECUTIVE OFFICER AND MEMBER OF THE BOARD OF MANAGERS
  • ChangedUNDERWOOD JR., DAVID, MILTON · title PRESIDENT → CHAIRMAN OF THE BOARD OF MANAGERS, PRESIDENT, SECRETARY AND CHIEF FINANCIAL OFFICER
Mar 2, 2017 filing
  • No longer listedMOTTER, THOMAS, MICHAEL · CHIEF INVESTMENT OFFICER · Less than 5% · control person · listed since Jan 1996
  • ChangedST. PAUL, ARMAND, CHRIST · title CHIEF OPERATING OFFICER → CHIEF COMPLIANCE OFFICER
  • ChangedUNDERWOOD JR., DAVID, MILTON · title CHIEF COMPLIANCE OFFICER / PRESIDENT → PRESIDENT
Jan 10, 2017 filing
  • No longer listedKNAPP, CHRISTOPHER, LYKES · CHIEF EXECUTIVE OFFICER · Less than 5% · control person · listed since Oct 2004
  • AddedROME, MICHAEL, EUGENE · CHIEF EXECUTIVE OFFICER · Less than 5% · control person
Older changes (4 more filings)
Mar 26, 2015 filing
  • AddedUNDERWOOD JR., DAVID, MILTON · MEMBER · 25–50% · indirect via KNAPP BROTHERS, LLC · control person
  • ChangedUNDERWOOD JR., DAVID, MILTON · title CHIEF COMPLIANCE OFFICER; SR. PORTFOLIO MGR-FIXED INCOME → CHIEF COMPLIANCE OFFICER / PRESIDENT
Aug 15, 2013 filing
  • AddedST. PAUL, ARMAND, CHRIST · CHIEF OPERATING OFFICER · Less than 5% · control person
  • ChangedUNDERWOOD JR., DAVID, MILTON · title CHIEF OPERATING OFFICER; CHIEF COMPLIANCE OFFICER; SR. PORTFOLIO MGR-FIXED INCOME → CHIEF COMPLIANCE OFFICER; SR. PORTFOLIO MGR-FIXED INCOME
Mar 28, 2013 filing
  • ChangedKNAPP, CHRISTOPHER, LYKES · title CHIEF COMPLIANCE OFFICER/CHIEF EXECUTIVE OFFICER → CHIEF EXECUTIVE OFFICER
  • ChangedUNDERWOOD JR., DAVID, MILTON · title CHIEF OPERATING OFFICER-SR. PORTFOLIO MGR-FIXED INCOME → CHIEF OPERATING OFFICER; CHIEF COMPLIANCE OFFICER; SR. PORTFOLIO MGR-FIXED INCOME
Mar 30, 2012 filing (earliest on record)
  • ListedGRACE, RUSSELL, RANDALL · PORTFOLIO MANAGER/ANALYST · 5–10%
  • ListedKNAPP BROTHERS, LLC · MEMBER · 50–75% · control person
  • ListedKNAPP, ALFRED, JOHN · MEMBER · 25–50% · indirect via KNAPP BROTHERS, LLC
  • ListedKNAPP, BRECKINRIDGE, LYKES · MEMBER · 25–50% · indirect via KNAPP BROTHERS, LLC
  • ListedKNAPP, CHRISTOPHER, LYKES · MEMBER · 25–50% · indirect via KNAPP BROTHERS, LLC · control person
  • ListedKNAPP, CHRISTOPHER, LYKES · CHIEF COMPLIANCE OFFICER/CHIEF EXECUTIVE OFFICER · Less than 5% · control person
  • ListedMOTTER, THOMAS, MICHAEL · CHIEF INVESTMENT OFFICER · Less than 5% · control person
  • ListedUNDERWOOD JR., DAVID, MILTON · CHIEF OPERATING OFFICER-SR. PORTFOLIO MGR-FIXED INCOME · Less than 5% · 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.

CHILTON INVESTMENT CO INC. Holdings (2026-06-30)

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 MICROSOFT CORP MSFT 594918104 $334.9M 8.03% 897,889 SH
2 COSTCO WHOLESALE CORP COST 22160K105 $290.4M 6.96% 310,417 SH
3 REPUBLIC SERVICES INC RSG 760759100 $251.9M 6.04% 1,181,957 SH
4 SHERWIN WILLIAMS CO SHW 824348106 $231.6M 5.56% 672,706 SH
5 AMPHENOL CORP APH 032095101 $194.2M 4.66% 1,101,659 SH
6 AMAZON.COM INC AMZN 023135106 $190.8M 4.58% 800,378 SH
7 MASTERCARD INC MA 57636Q104 $176.8M 4.24% 344,319 SH
8 ALPHABET INC GOOGL 02079K305 $176.3M 4.23% 493,428 SH
9 INTERNATIONAL BUSINESS MACHINES CORP IBM 459200101 $137.0M 3.28% 487,018 SH
10 HOME DEPOT INC HD 437076102 $133.8M 3.21% 379,338 SH
11 CINTAS CORP CTAS 172908105 $128.7M 3.09% 756,419 SH
12 APPLE INC AAPL 037833100 $115.1M 2.76% 397,628 SH
13 AMERICAN EXPRESS CO AXP 025816109 $102.2M 2.45% 302,256 SH
14 ARTHUR J GALLAGHER & CO AJG 363576109 $94.8M 2.27% 413,100 SH
15 W R BERKLEY CORP WRB 084423102 $94.5M 2.27% 1,339,877 SH
16 MOODY'S CORP MCO 615369105 $80.7M 1.94% 178,199 SH
17 EATON CORP PLC ETN G29183103 $67.2M 1.61% 157,752 SH
18 DEERE & CO DE 244199105 $63.4M 1.52% 99,965 SH
19 PARKER-HANNIFIN CORP PH 701094104 $53.0M 1.27% 54,149 SH
20 MORGAN STANLEY MS 617446448 $52.4M 1.26% 250,782 SH
21 XYLEM INC XYL 98419M100 $49.8M 1.20% 421,515 SH
22 VISA INC V 92826C839 $42.0M 1.01% 122,518 SH
23 MEDTRONIC PLC MDT G5960L103 $40.4M 0.97% 516,815 SH
24 BERKSHIRE HATHAWAY INC BRK.B 084670702 $36.0M 0.86% 71,884 SH
25 O'REILLY AUTOMOTIVE INC ORLY 67103H107 $31.9M 0.77% 346,404 SH
26 ALPHABET INC GOOG 02079K107 $31.5M 0.76% 89,243 SH
27 STATE STREET SPDR S&P 500 ETF SPY 78462F103 $31.4M 0.75% 42,095 SH
28 PROGRESSIVE CORP PGR 743315103 $31.3M 0.75% 143,145 SH
29 T ROWE PRICE GROUP INC TROW 74144T108 $30.5M 0.73% 267,963 SH
30 TEXAS INSTRUMENTS INC TXN 882508104 $29.6M 0.71% 99,449 SH
31 CRH PLC CRH G25508105 $27.8M 0.67% 259,980 SH
32 META PLATFORMS INC META 30303M102 $26.1M 0.62% 46,247 SH
33 FERGUSON ENTERPRISES INC FERG 31488V107 $26.0M 0.62% 109,346 SH
34 BANK OF NEW YORK MELLON CORP BNY 064058100 $24.6M 0.59% 170,371 SH
35 THERMO FISHER SCIENTIFIC INC TMO 883556102 $17.8M 0.43% 35,458 SH
36 VANGUARD GROWTH ETF VUG 922908736 $16.9M 0.41% 196,728 SH
37 VANGUARD TOTAL STOCK MARKET ETF VTI 922908769 $16.5M 0.40% 44,664 SH
38 BLACKSTONE INC BX 09260D107 $14.7M 0.35% 125,345 SH
39 BOB'S DISCOUNT FURNITURE INC BOBS 09681N106 $14.3M 0.34% 905,958 SH
40 BROADCOM INC AVGO 11135F101 $14.0M 0.34% 37,072 SH
41 HUBBELL INC HUBB 443510607 $13.5M 0.32% 25,857 SH
42 JPMORGAN CHASE & CO JPM 46625H100 $12.8M 0.31% 39,093 SH
43 VANGUARD VALUE ETF VTV 922908744 $11.9M 0.28% 54,453 SH
44 VANGUARD FTSE DEVELOPED MARKETS ETF VEA 921943858 $11.8M 0.28% 165,606 SH
45 ISHARES CORE S&P 500 ETF IVV 464287200 $11.0M 0.26% 14,750 SH
46 APPLIED AEROSPACE & DEFENSE INC AADX 03815J107 $10.6M 0.26% 467,320 SH
47 DOMINO'S PIZZA INC DPZ 25754A201 $10.6M 0.25% 35,812 SH
48 MCDONALD'S CORP MCD 580135101 $10.1M 0.24% 37,333 SH
49 ISHARES RUSSELL 1000 ETF IWB 464287622 $10.1M 0.24% 24,550 SH
50 VANGUARD MID-CAP VALUE ETF VOE 922908512 $9.7M 0.23% 49,265 SH
Filing History
Period Filed AUM Holdings Accession
2026-06-30 2026-08-14 $4.17B 299 0001332632-26-000006
2026-03-31 2026-05-15 $4.26B 280 0001332632-26-000003
2025-12-31 2026-02-17 $4.79B 282 0001332632-26-000002
2025-09-30 2025-11-14 $4.91B 272 0001332632-25-000014
Filer Information
Address
1290 EAST MAIN STREET
1ST FLOOR
STAMFORD, CT 06902
Phone
(203) 352-4000
Filing Manager
CHILTON INVESTMENT CO INC.
STAMFORD, CT
Signatory
Mattia Perrotta
SVP, Fund Controller