BAXTER BROS INC
SEC Form 13F institutional filer · CIK 0001096783
13F-HR · 134 reported holdings · 2026-03-31
SEC-registered institutional investment manager.
Reported long-US-equity value
$0.77B
Top-10 concentration
44.4%
BAXTER BROS INC — $772M AUM allocation strategy
BAXTER BROS INC files SEC Form 13F and reports $772M of long US equity value across 134 reported holdings for 2026-03-31.
Its largest sector bet is Financials 24.1%, followed by Communication Services 12.2% and Information Technology 11.2%.
The top 10 holdings account for 44% of reported value — a broadly spread portfolio. 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.
BAXTER BROS INC — latest SEC 13F insights
Reported long-US-equity value (13F AUM)
$772M
total across 134 reported holdings · 2026-03-31 · excludes shorts, cash, non-US
Top-10 concentration
44% of value
higher = narrower conviction; lower = spread / hedging
Biggest adds (shares)
+$SCHW +31.1K sh · +$755K+$UBER +26.4K sh · +$1.51M+$BX +20.9K sh · +$1.35M
Biggest trims (shares)
−$NFLX −13K sh · −$904K−$RTX −9.45K sh · −$918K−$CMCSA −8.91K sh · −$412K
Exited to nil (held last quarter, gone now)
$FCX ($764K last qtr)$ADBE ($441K last qtr)$CRM ($358K last qtr)$ELV ($323K last qtr)$UNH ($278K 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)
- Interactive Media & Services10.6%—
- Multi-Sector Holdings8.4%—
- Integrated Oil & Gas7.7%—
- Systems Software6.3%—
- Transaction & Payment Processing Services5.7%—
- Investment Banking & Brokerage3.9%—
- Application Software3.3%—
- Consumer Finance3.2%—
- Other holdings50.8%—
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 | 136K | $65.1M | -713 | 8.4% |
| $MSFT | Microsoft Corporation | 130K | $48.1M | -582 | 6.2% |
| $XOM | ExxonMobil Holdings Corporation | 273K | $46.3M | -2.58K | 6.0% |
| $GOOGL | Alphabet Inc | 118K | $33.7M | -3.4K | 4.4% |
| $V | Visa Inc | 94.3K | $28.5M | +789 | 3.7% |
| $GOOG | Alphabet Inc. Class C Capital Stock | 93.2K | $26.8M | -3.34K | 3.5% |
| $INTU | Intuit Inc | 58.3K | $25.2M | -1.83K | 3.3% |
| $AXP | American Express Company | 80K | $24.2M | +1.62K | 3.1% |
| $UNP | Union Pacific Corporation | 93.2K | $22.6M | -1.96K | 2.9% |
| $JPM | JP Morgan Chase & Co | 75.9K | $22.3M | -2.08K | 2.9% |
…and 124 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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