United American Securities Inc. (d/b/a UAS Asset Management)
SEC Form 13F institutional filer · CIK 0001349353
13F-HR · 10 reported holdings · 2026-03-31
Reported long-US-equity value
$0.43B
Top-10 concentration
100.0%
United American Securities Inc. (d/b/a UAS Asset Management) — $430M AUM allocation strategy
United American Securities Inc. (d/b/a UAS Asset Management) files SEC Form 13F and reports $430M of long US equity value across 10 reported holdings for 2026-03-31.
Its largest sector bet is Financials 34.0%, followed by Communication Services 22.1% and Information Technology 18.2%.
The top 10 holdings account for 100% 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.
United American Securities Inc. (d/b/a UAS Asset Management) — latest SEC 13F insights
Reported long-US-equity value (13F AUM)
$430M
total across 10 reported holdings · 2026-03-31 · excludes shorts, cash, non-US
Top-10 concentration
100% of value
higher = narrower conviction; lower = spread / hedging
Biggest adds (shares)
+$META +42.1K sh · +$21.6M+$AMZN +24.5K sh · −$1.88M+$MSFT +15.5K sh · −$8.09M
Biggest trims (shares)
−$NVDA −89.2K sh · −$17.3M−$JNJ −57.9K sh · −$11.5M−$BRK.B −4.11K sh · −$9.24M
Added from nil (new positions)
None this quarter
Exited to nil (held last quarter, gone now)
$LLY ($2.9M last qtr)$FDS ($2.18M last qtr)$TSLA ($450K last qtr)$JPM ($431K last qtr)
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)
- Multi-Sector Holdings34.0%—
- Interactive Media & Services22.1%—
- Broadline Retail16.2%—
- Systems Software11.8%—
- Consumer Staples Merchandise Retail8.6%—
- Technology Hardware, Storage & Peripherals4.2%—
- Semiconductors2.2%—
- Pharmaceuticals0.7%—
- Other holdings0.2%—
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 |
|---|---|---|---|---|---|
| $BRK.B | Berkshire Hathaway Inc.-Class B | 306K | $147M | -4.11K | 34.0% |
| $AMZN | Amazon.com Inc | 334K | $69.6M | +24.5K | 16.2% |
| $GOOG | Alphabet Inc. Class C Capital Stock | 191K | $54.8M | +3.44K | 12.7% |
| $MSFT | Microsoft Corporation | 137K | $50.8M | +15.5K | 11.8% |
| $META | Meta Platforms Inc | 70.3K | $40.2M | +42.1K | 9.3% |
| $COST | Costco Wholesale Corporation | 37.3K | $37.2M | -286 | 8.6% |
| $AAPL | Apple Inc | 71.5K | $18.2M | +11.2K | 4.2% |
| $NVDA | NVIDIA Corporation | 53.3K | $9.3M | -89.2K | 2.2% |
| $JNJ | Johnson & Johnson | 12.8K | $3.13M | -57.9K | 0.7% |
| $HONA | Honeywell Aerospace Inc | 1 | $718K | +0 | 0.2% |
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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