Kemnay Advisory Services Inc.
SEC Form 13F institutional filer · CIK 0001555283
13F-HR · 429 reported holdings · 2026-03-31
Reported long-US-equity value
$0.27B
Top-10 concentration
77.5%
Kemnay Advisory Services Inc. — $274M AUM allocation strategy
Kemnay Advisory Services Inc. files SEC Form 13F and reports $274M of long US equity value across 429 reported holdings for 2026-03-31.
Its largest sector bet is Financials 35.7%, followed by Information Technology 23.1% and Communication Services 12.6%.
The top 10 holdings account for 77% 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.
Kemnay Advisory Services Inc. — latest SEC 13F insights
Reported long-US-equity value (13F AUM)
$274M
total across 429 reported holdings · 2026-03-31 · excludes shorts, cash, non-US
Top-10 concentration
77% of value
higher = narrower conviction; lower = spread / hedging
Biggest adds (shares)
+$FIS +235K sh · +$11M+$AMZN +11K sh · +$489K+$MSFT +9.96K sh · −$553K
Biggest trims (shares)
−$CSX −347K sh · −$12.6M−$DVN −3.35K sh · −$119K−$GOOGL −2.69K sh · −$2.48M
Exited to nil (held last quarter, gone now)
$JNJ ($215K last qtr)$SPGI ($87.8K last qtr)$NDSN ($10.3K last qtr)$GDDY ($7.45K 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)
- Financial Exchanges & Data18.8%—
- Interactive Media & Services12.6%—
- Transaction & Payment Processing Services10.3%—
- Life Sciences Tools & Services9.9%—
- Broadline Retail6.9%—
- Technology Hardware, Storage & Peripherals6.7%—
- Semiconductors6.7%—
- Multi-Sector Holdings6.5%—
- Other holdings21.5%—
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
9 of 9 rows · sorted by Value ↓
| Ticker | Holding | Shares | Value | Δ QoQ | Weight |
|---|---|---|---|---|---|
| $COIN | Coinbase Global Inc | 295K | $51.5M | -23 | 18.8% |
| $AMZN | Amazon.com Inc | 90.8K | $18.9M | +11K | 6.9% |
| $TMO | Thermo Fisher Scientific Inc | 37.6K | $18.5M | -2.55K | 6.7% |
| $AAPL | Apple Inc | 72.5K | $18.4M | +1.43K | 6.7% |
| $NVDA | NVIDIA Corporation | 103K | $17.9M | -30 | 6.5% |
| $BRK.B | Berkshire Hathaway Inc.-Class B | 36.9K | $17.7M | +829 | 6.5% |
| $MSFT | Microsoft Corporation | 47.3K | $17.5M | +9.96K | 6.4% |
| $GOOGL | Alphabet Inc | 60.8K | $17.4M | -2.69K | 6.4% |
| $V | Visa Inc | 57K | $17.2M | +1.82K | 6.3% |
…and 420 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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