LEE DANNER & BASS INC
SEC Form 13F institutional filer · CIK 0000939219
13F-HR · 153 reported holdings · 2026-03-31
SEC-registered institutional investment manager.
Reported long-US-equity value
$1.20B
Top-10 concentration
49.7%
LEE DANNER & BASS INC — $1.2B AUM allocation strategy
LEE DANNER & BASS INC files SEC Form 13F and reports $1.2B of long US equity value across 153 reported holdings for 2026-03-31.
Its largest sector bet is Health Care 17.4%, followed by Financials 16.1% and Information Technology 10.4%.
The top 10 holdings account for 50% 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.
LEE DANNER & BASS INC — latest SEC 13F insights
Reported long-US-equity value (13F AUM)
$1.2B
total across 153 reported holdings · 2026-03-31 · excludes shorts, cash, non-US
Top-10 concentration
50% of value
higher = narrower conviction; lower = spread / hedging
Biggest adds (shares)
+$FISV +47.4K sh · +$2.12M+$L +31.5K sh · +$3.57M+$AIG +22.3K sh · +$1.56M
Biggest trims (shares)
−$SPGI −6.7K sh · −$422K−$SRE −4.88K sh · +$177K−$LUV −3.79K sh · −$222K
Exited to nil (held last quarter, gone now)
$XLV ($338K last qtr)$BX ($252K last qtr)$ECL ($247K last qtr)$ZBH ($210K 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)
- Health Care Facilities15.2%—
- Multi-Sector Holdings10.5%—
- Interactive Media & Services4.8%—
- Technology Hardware, Storage & Peripherals4.7%—
- Systems Software2.8%—
- Broadline Retail2.7%—
- Investment Banking & Brokerage2.4%—
- Aerospace & Defense2.2%—
- Other holdings54.7%—
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 |
|---|---|---|---|---|---|
| $HCA | HCA Healthcare Inc | 387K | $183M | -499 | 15.2% |
| $BRK.B | Berkshire Hathaway Inc.-Class B | 264K | $127M | -778 | 10.5% |
| $GOOGL | Alphabet Inc | 202K | $58M | -1.07K | 4.8% |
| $AAPL | Apple Inc | 222K | $56.4M | +1.63K | 4.7% |
| $MSFT | Microsoft Corporation | 91.9K | $34M | -3.41K | 2.8% |
| $AMZN | Amazon.com Inc | 159K | $33.1M | +3.51K | 2.7% |
| $GS | Goldman Sachs Group Inc | 34.8K | $29.4M | -335 | 2.4% |
| $RTX | RTX Corporation | 135K | $26M | -1.45K | 2.2% |
| $CAT | Caterpillar Inc | 36.3K | $25.7M | -86 | 2.1% |
| $XOM | ExxonMobil Holdings Corporation | 151K | $25.6M | +155 | 2.1% |
…and 143 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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