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RBO & CO LLC — 13F Holdings & Portfolio

CIK 1162827 · latest 13F-HR filed 2026-08-13

Backtest portfolio

RBO & CO LLC manages $628.1M in 13F-reported U.S. long-equity assets across 56 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are JNJ (8.55%), ABBV (7.26%), PM (5.13%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 1 new position and exited 2; 25 existing positions rose in reported value and 19 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
$628.1M

Long-equity book

Holdings
56

Distinct positions

Period
2026-06-30

Filed 2026-08-13

Q/Q Activity
+1 / −2 / ↑25 / ↓19

vs 2026-03-31

Portfolio charts

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

Portfolio map

Q2 26
JNJ8.5% · -2%ABBV7.3% · -3%PM5.1% · -1%MCD4.6% · -1%BRK.B4.5% · -14%CFNCF4.3% · -2%JPM3.7% · -3%WH3.6% · -2%LYV3.5% · -5%MDLZ3.2% · -3%PEP3.2% · -2%KEYS3.1% · -22%ABT3.1% · -2%KVUE2.9% · -2%KO2.9% · -0%REG2.8% · 0%GGG2.6% · +23%WABC2.6% · -2%XOM2.4% · -2%DIS2.1% · -3%WM2.0% · -3%COO2.0% · -5%ZTS1.9% · +34%OXM1.9% · +32%VRSK1.8% · newADBE1.8% · -4%EFX1.7% · -3%BF.B1.7% · -4%LMT1.7% · 0%WMG1.6% · -13%MO1.1% · 0%KMB0.6% · +8%MSFT0.6% · -1%GOOGL0.5% · -0%BRK.A0.5% · -20%DEO0.3% · -30%V0.3% · -1%CAT0.2% · -7%TROW0.2% · 0%NVDA0.2% · -13%PFE0.1% · 0%AAPL0.1% · 0%ORCL0.1% · -23%D0.1% · -44%VZ0.1% · 0%BNY0.1% · newITW0.1% · 0%NEE0.1% · -12%CAG0.1% · +83%RACE0.1% · 0%AMT0.1% · 0%PG0.1% · 0%BOH0.0% · 0%EMR0.0% · 0%UNP0.0% · 0%AMZN0.0% · -8%

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 = 48.4%

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

Firm Profile & Key People

As of the firm’s regulatory filing dated Jan 29, 2026.

Assets Under Management
$654.8M
Discretionary
$654.8M
Employees
8
Accounts
259
Address
1478 RAILROAD AVENUE SUITE 1
ST. HELENA, CA 94574-1145
Phone
(707) 963-1231
Website
Mailing Address
P.O. BOX 306, ST. HELENA, CA, 94574-0306
Name Title / Status Ownership Type
HEIL, DOMINIC, MAXIMILIAN ControlCHIEF COMPLIANCE OFFICER & CHIEF OPERATING OFFICER
since Oct 2016
Less than 5%Individual
OLIVER, JOHN, MASON ControlMANAGING MEMBER & PORTFOLIO MANAGER
since Jan 2007
75% or moreIndividual
ROBISON, VIVIAN, LEE ControlDIRECTOR OF OPERATIONS
since Oct 2016
Less than 5%Individual
Ownership & leadership changes · 6 filings with changes since Mar 27, 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, 2023 filing
  • ChangedHEIL, DOMINIC, MAXIMILIAN · title CHIEF COMPLIANCE OFFICER / CHIEF OPERATING OFFICER → CHIEF COMPLIANCE OFFICER & CHIEF OPERATING OFFICER
  • ChangedOLIVER, JOHN, MASON · title MANAGING MEMBER / MANAGING PARTNER → MANAGING MEMBER & PORTFOLIO MANAGER
Mar 31, 2021 filing
  • ChangedHEIL, DOMINIC, MAXIMILIAN · title CHIEF COMPLIANCE OFFICER → CHIEF COMPLIANCE OFFICER / CHIEF OPERATING OFFICER
  • ChangedOLIVER, JOHN, MASON · title MANAGING MEMBER → MANAGING MEMBER / MANAGING PARTNER
Nov 8, 2016 filing
  • AddedHEIL, DOMINIC, MAXIMILIAN · CHIEF COMPLIANCE OFFICER · Less than 5% · control person
  • ChangedROBISON, VIVIAN, LEE · title CHIEF COMPLIANCE OFFICER → DIRECTOR OF OPERATIONS
May 8, 2015 filing
  • ChangedOLIVER, JOHN, MASON · title MANAGING PARTNER → MANAGING MEMBER
Mar 20, 2015 filing
  • ChangedOLIVER, JOHN, MASON · title MANAGING MEMBER → MANAGING PARTNER
Mar 22, 2013 filing
  • ChangedROBISON, VIVIAN, LEE · now a control person
Mar 27, 2012 filing (earliest on record)
  • ListedOLIVER, JOHN, MASON · MANAGING MEMBER · 75% or more · control person
  • ListedROBISON, VIVIAN, LEE · CHIEF COMPLIANCE OFFICER · Less than 5%

Quarter-over-quarter changes

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

Top Adds (vs prior quarter)

Show all 25 →

Top Trims

Show all 19 →

New Positions

Show all 1 →

Exited Positions

Show all 2 →

RBO & CO LLC 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 JOHNSON&JOHNSON JNJ 478160104 $53.7M 8.55% 211,363 SH
2 ABBVIE INC ABBV 00287Y109 $45.6M 7.26% 181,275 SH
3 PHILIP MORRIS IN PM 718172109 $32.2M 5.13% 178,124 SH
4 MCDONALDS CORP MCD 580135101 $28.7M 4.57% 106,265 SH
5 BERKSHIRE HATH-B BRK.B 084670702 $28.0M 4.46% 55,961 SH
6 CIE FINANCI-REG CFNCF H25662182 $27.1M 4.31% 117,165 SH
7 JPMORGAN CHASE JPM 46625H100 $23.5M 3.75% 71,865 SH
8 WYNDHAM HOTELS & WH 98311A105 $22.7M 3.61% 269,565 SH
9 LIVE NATION ENTE LYV 538034109 $22.2M 3.53% 121,132 SH
10 MONDELEZ INTER-A MDLZ 609207105 $20.1M 3.20% 347,280 SH
11 PEPSICO INC PEP 713448108 $19.8M 3.15% 146,156 SH
12 KEYSIGHT TECHNOLOGIES INC KEYS 49338L103 $19.6M 3.12% 56,027 SH
13 ABBOTT LABS ABT 002824100 $19.5M 3.10% 214,573 SH
14 KENVUE INC KVUE 49177J102 $18.4M 2.93% 964,551 SH
15 COCA-COLA CO/THE KO 191216100 $18.0M 2.86% 221,408 SH
16 REGENCY CENTERS REG 758849103 $17.4M 2.76% 217,792 SH
17 GRACO INC GGG 384109104 $16.5M 2.62% 218,016 SH
18 WESTAMERICA BANC WABC 957090103 $16.2M 2.57% 275,551 SH
19 EXXON MOBIL CORP XOM 30231G102 $15.3M 2.44% 112,087 SH
20 WALT DISNEY CO DIS 254687106 $13.3M 2.11% 137,879 SH
21 WASTE MANAGEMENT WM 94106L109 $12.8M 2.04% 57,512 SH
22 COOPER COS INC COO 216648501 $12.3M 1.97% 172,125 SH
23 ZOETIS INC ZTS 98978V103 $11.9M 1.89% 165,052 SH
24 OXFORD INDS INC OXM 691497309 $11.8M 1.87% 337,715 SH
25 VERISK ANALYTICS INC VRSK 92345Y106 $11.6M 1.84% 64,544 SH
26 ADOBE INC ADBE 00724F101 $11.2M 1.78% 54,616 SH
27 EQUIFAX INC EFX 294429105 $10.9M 1.74% 68,872 SH
28 BROWN-FORMAN -B BF.B 115637209 $10.9M 1.73% 407,498 SH
29 LOCKHEED MARTIN LMT 539830109 $10.4M 1.65% 20,359 SH
30 WARNER MUSIC-A WMG 934550203 $9.9M 1.58% 365,945 SH
31 ALTRIA GROUP INC MO 02209S103 $7.1M 1.13% 98,239 SH
32 KIMBERLY-CLARK CORP KMB 494368103 $3.8M 0.60% 34,557 SH
33 MICROSOFT CORP MSFT 594918104 $3.6M 0.57% 9,670 SH
34 ALPHABET INC-A GOOGL 02079K305 $3.0M 0.48% 8,458 SH
35 BERKSHIRE HATH-A BRK.A 084670108 $3.0M 0.48% 4 SH
36 DIAGEO PLC-ADR DEO 25243Q205 $2.0M 0.32% 25,301 SH
37 VISA INC-CLASS A V 92826C839 $1.8M 0.28% 5,187 SH
38 CATERPILLAR INC CAT 149123101 $1.5M 0.24% 1,400 SH
39 PRICE T ROWE GROUP INC TROW 74144T108 $1.3M 0.21% 11,843 SH
40 NVIDIA CORP NVDA 67066G104 $1.3M 0.21% 6,470 SH
41 PFIZER INC PFE 717081103 $817.6K 0.13% 33,953 SH
42 APPLE INC AAPL 037833100 $772.3K 0.12% 2,669 SH
43 ORACLE CORP ORCL 68389X105 $742.0K 0.12% 5,063 SH
44 DOMINION ENERGY D 25746U109 $682.9K 0.11% 10,000 SH
45 VERIZON COMMUNIC VZ 92343V104 $628.6K 0.10% 14,846 SH
46 BANK NEW YORK MELLON CORP BNY 064058100 $578.4K 0.09% 4,000 SH
47 ILLINOIS TOOL WO ITW 452308109 $568.0K 0.09% 2,100 SH
48 NEXTERA ENERGY NEE 65339F101 $553.0K 0.09% 6,300 SH
49 CONAGRA BRANDS INC CAG 205887102 $550.5K 0.09% 40,900 SH
50 FERRARI NV RACE N3167Y103 $478.0K 0.08% 1,289 SH
Filing History
Period Filed AUM Holdings Accession
2026-06-30 2026-08-13 $628.1M 56 0001162827-26-000003
2026-03-31 2026-05-14 $619.6M 57 0001162827-26-000002
2025-12-31 2026-02-12 $628.4M 52 0001162827-26-000001
2025-09-30 2025-11-12 $639.3M 54 0001162827-25-000007
Filer Information
Address
1478 RAILROAD AVENUE
SUITE 1
SAINT HELENA, CA 94574-1145
Phone
(707) 963-1231
Filing Manager
RBO & CO LLC
ST HELENA, CA
Signatory
DOMINIC M. HEIL
CHIEF COMPLIANCE OFFICER