RBO & CO LLC
SEC Form 13F institutional filer · CIK 0001162827
13F-HR · 46 reported holdings · 2026-03-31
Reported long-US-equity value
$0.52B
Top-10 concentration
56.6%
RBO & CO LLC — $522M AUM allocation strategy
RBO & CO LLC files SEC Form 13F and reports $522M of long US equity value across 46 reported holdings for 2026-03-31.
Its largest sector bet is Health Care 27.4%, followed by Consumer Staples 20.6% and Financials 10.2%.
The top 10 holdings account for 57% of reported value — a conviction-weighted book concentrated in its best ideas. The sector and industry splits below are of the same reported value. Track quarter-over-quarter adds, trims, new positions and exits below — sourced from SEC 13F filings, public domain.
RBO & CO LLC — latest SEC 13F insights
Reported long-US-equity value (13F AUM)
$522M
total across 46 reported holdings · 2026-03-31 · excludes shorts, cash, non-US
Top-10 concentration
57% of value
higher = narrower conviction; lower = spread / hedging
Biggest adds (shares)
+$ADBE +19.8K sh · +$827K+$PFE +4.35K sh · +$216K+$MO +491 sh · +$847K
Biggest trims (shares)
−$KVUE −19.5K sh · −$347K−$XOM −12.1K sh · +$4.21M−$BF.B −7.11K sh · −$24K
Sector allocation (share of reported value)
each slice is a share of the reported long-US-equity value — smaller sectors and the rest of the book roll into “Other holdings”
Qtr shift = share-point change vs the prior quarter's filing — first period tracked for this filer; the column fills in with the next quarterly refresh.
Industry allocation (share of reported value)
- Pharmaceuticals12.9%—
- Biotechnology7.7%—
- Soft Drinks & Non-alcoholic Beverages7.6%—
- Restaurants6.3%—
- Movies & Entertainment6.3%—
- Multi-Sector Holdings6.0%—
- Tobacco5.7%—
- Health Care Equipment4.3%—
- Other holdings43.1%—
the finer GICS cut of the same book — same denominator — smaller industries roll into “Other holdings”
Qtr shift = share-point change vs the prior quarter's filing — first period tracked for this filer; the column fills in with the next quarterly refresh.
Top S&P 500 holdings
10 of 10 rows · sorted by Value ↓
| Ticker | Holding | Shares | Value | Δ QoQ | Weight |
|---|---|---|---|---|---|
| $JNJ | Johnson & Johnson | 215K | $52.6M | -2.3K | 10.1% |
| $ABBV | AbbVie Inc | 186K | $40.5M | -2.48K | 7.8% |
| $MCD | McDonald's Corporation | 107K | $33.3M | -1.14K | 6.4% |
| $BRK.B | Berkshire Hathaway Inc.-Class B | 64.8K | $31M | -2.4K | 6.0% |
| $PM | Philip Morris International Inc | 180K | $29.8M | -1.36K | 5.7% |
| $PEP | PepsiCo Inc | 149K | $23.2M | -2.75K | 4.4% |
| $ABT | Abbott Laboratories | 218K | $22.4M | -588 | 4.3% |
| $JPM | JP Morgan Chase & Co | 74.1K | $21.8M | -1.35K | 4.2% |
| $MDLZ | Mondelez International Inc | 358K | $20.6M | -1.31K | 4.0% |
| $KEYS | Keysight Technologies Inc | 71.8K | $20.3M | -2.2K | 3.9% |
…and 36 more holdings in the full 13F filing (top positions only shown).
SEC Form 13F data sets · public domain · 45-day filing lag · >$100M AUM managers · as reported
← All 13F filers·← QuantOrb.pro
How to read Δ QoQ — the five insight categories, and the caveats
The categories. Analysts, quants and retail traders look past total portfolio value to isolate actionable signals. Five categories matter.
Conviction & concentration shifts
New positions vs complete exits — a brand-new stock signals high conviction; a full liquidation suggests a broken thesis or tax-loss harvesting. Aggressive sizing — look at share count, not dollars: a 20% share increase during a drawdown is strong dip-buying. Concentration — a narrowing top-5/10 means conviction; spreading capital across more names means hedging.
Sector & macro allocation rotations
Aggregating Δ QoQ moves across sectors shows where smart money is leaning in or sneaking out — rotating out of growth into defensives or energy, for example. The fund's total long equity exposure quarter-over-quarter is a proxy for overall institutional risk appetite.
Crowding & smart-money consensus
When several managers initiate or expand the same stock in the same quarter, that is institutional consensus. Contrarian reads: top pickers buying hard into a beaten-down name the market is selling.
Derivative & option overlays
Reported call/put changes indicate whether managers are adding downside hedges or leveraging upside exposure. Note: a long increase may be half of a market-neutral pair trade.
Who reads this
| Retail "cloners" | High-conviction ideas to replicate ~45 days after quarter-end. |
| Corporate IR | Which funds bought or dumped the stock, before the next call. |
| Quant / algo traders | Cross-sectional factor inputs: flow, momentum, ownership. |
Four caveats before you trade on it
- 45-day lag — holdings are quarter-end; positions may already be closed.
- Long-only — 13Fs miss shorts, pair trades and cash.
- No non-US / fixed income — the picture is US equities plus options.
- Corporate actions — splits and spinoffs distort raw share deltas.
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