INVESTMENT ADVISORY SERVICES INC /TX /ADV
SEC Form 13F institutional filer · CIK 0000925953
13F-HR · 103 reported holdings · 2026-03-31
Reported long-US-equity value
$0.22B
Top-10 concentration
51.7%
INVESTMENT ADVISORY SERVICES INC /TX /ADV — $218M AUM allocation strategy
INVESTMENT ADVISORY SERVICES INC /TX /ADV files SEC Form 13F and reports $218M of long US equity value across 103 reported holdings for 2026-03-31.
Its largest sector bet is Information Technology 11.6%, followed by Financials 10.7% and Consumer Staples 7.3%.
The top 10 holdings account for 52% 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.
INVESTMENT ADVISORY SERVICES INC /TX /ADV — latest SEC 13F insights
Reported long-US-equity value (13F AUM)
$218M
total across 103 reported holdings · 2026-03-31 · excludes shorts, cash, non-US
Top-10 concentration
52% of value
higher = narrower conviction; lower = spread / hedging
Biggest adds (shares)
+$OKE +2.34K sh · +$271K+$NVDA +715 sh · +$14.8K+$IVZ +469 sh · +$98.8K
Biggest trims (shares)
−$SCHW −11.4K sh · +$240K−$XLE −6.84K sh · +$747K−$IVV −3.73K sh · −$852K
Exited to nil (held last quarter, gone now)
$ORCL ($220K last qtr)$PANW ($218K last qtr)$PRU ($217K last qtr)$UNH ($207K 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)
- Systems Software6.2%—
- Consumer Staples Merchandise Retail5.7%—
- Integrated Oil & Gas5.5%—
- Technology Hardware, Storage & Peripherals5.4%—
- Investment Banking & Brokerage4.6%—
- Pharmaceuticals2.9%—
- Biotechnology2.5%—
- Restaurants2.4%—
- Other holdings64.8%—
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
8 of 8 rows · sorted by Value ↓
| Ticker | Holding | Shares | Value | Δ QoQ | Weight |
|---|---|---|---|---|---|
| $MSFT | Microsoft Corporation | 36.6K | $13.6M | -738 | 6.2% |
| $WMT | Walmart Inc | 99.5K | $12.4M | -2.03K | 5.7% |
| $AAPL | Apple Inc | 46.3K | $11.8M | -538 | 5.4% |
| $SCHW | Charles Schwab Corporation | 276K | $9.92M | -11.4K | 4.6% |
| $XOM | ExxonMobil Holdings Corporation | 50.2K | $8.52M | -90 | 3.9% |
| $JNJ | Johnson & Johnson | 26K | $6.35M | -513 | 2.9% |
| $ABBV | AbbVie Inc | 24.7K | $5.37M | -669 | 2.5% |
| $MCD | McDonald's Corporation | 16.6K | $5.16M | -605 | 2.4% |
…and 95 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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