Mason & Associates Inc
SEC Form 13F institutional filer · CIK 0001917686
13F-HR · 67 reported holdings · 2026-03-31
Reported long-US-equity value
$0.23B
Top-10 concentration
72.1%
Mason & Associates Inc — $234M AUM allocation strategy
Mason & Associates Inc files SEC Form 13F and reports $234M of long US equity value across 67 reported holdings for 2026-03-31.
Its largest sector bet is Financials 25.7%, followed by Information Technology 16.6% and Communication Services 4.9%.
The top 10 holdings account for 72% 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.
Mason & Associates Inc — latest SEC 13F insights
Reported long-US-equity value (13F AUM)
$234M
total across 67 reported holdings · 2026-03-31 · excludes shorts, cash, non-US
Top-10 concentration
72% of value
higher = narrower conviction; lower = spread / hedging
Biggest adds (shares)
+$BEN +83.9K sh · +$514K+$SPGI +43.3K sh · +$762K+$VOO +6.63K sh · +$384K
Biggest trims (shares)
−$MS −2.91K sh · −$576K−$IWM −1.62K sh · −$5.15M−$BRK.B −1.1K sh · −$934K
Exited to nil (held last quarter, gone now)
$ALL ($1.16M last qtr)$ORCL ($615K last qtr)$BX ($393K last qtr)$APP ($391K last qtr)$COF ($372K 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)
- Investment Banking & Brokerage8.1%—
- Semiconductors7.5%—
- Asset Management & Custody Banks7.2%—
- Financial Exchanges & Data6.7%—
- Interactive Media & Services4.9%—
- Technology Hardware, Storage & Peripherals4.4%—
- Automobile Manufacturers2.9%—
- Multi-Sector Holdings2.8%—
- Other holdings55.6%—
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 |
|---|---|---|---|---|---|
| $GS | Goldman Sachs Group Inc | 355K | $18.9M | +1.98K | 8.1% |
| $IVZ | Invesco Ltd | 159K | $16.8M | +5.46K | 7.2% |
| $SPGI | S&P Global Inc | 631K | $15.6M | +43.3K | 6.7% |
| $AAPL | Apple Inc | 42.1K | $10.4M | +1.3K | 4.4% |
| $NVDA | NVIDIA Corporation | 58.9K | $9.72M | -343 | 4.2% |
| $TSLA | Tesla Inc | 18.6K | $6.61M | +633 | 2.8% |
| $BRK.B | Berkshire Hathaway Inc.-Class B | 13.7K | $6.49M | -1.1K | 2.8% |
| $MSFT | Microsoft Corporation | 17.4K | $6.26M | +2.16K | 2.7% |
…and 59 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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