Guinness Atkinson Asset Management Inc
SEC Form 13F institutional filer · CIK 0001409765
13F-HR · 94 reported holdings · 2026-03-31
Reported long-US-equity value
$0.18B
Top-10 concentration
38.0%
Guinness Atkinson Asset Management Inc — $177M AUM allocation strategy
Guinness Atkinson Asset Management Inc files SEC Form 13F and reports $177M of long US equity value across 94 reported holdings for 2026-03-31.
Its largest sector bet is Information Technology 36.4%, followed by Health Care 10.4% and Financials 10.4%.
The top 10 holdings account for 38% 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.
Guinness Atkinson Asset Management Inc — latest SEC 13F insights
Reported long-US-equity value (13F AUM)
$177M
total across 94 reported holdings · 2026-03-31 · excludes shorts, cash, non-US
Top-10 concentration
38% of value
higher = narrower conviction; lower = spread / hedging
Biggest adds (shares)
+$NFLX +21.1K sh · −$4.78M+$CRM +6.67K sh · −$5.8M+$PAYX +4.98K sh · −$682K
Biggest trims (shares)
−$LRCX −15.1K sh · −$8.68M−$AMAT −11.1K sh · −$7.82M−$ON −9.91K sh · −$1.13M
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)
- Semiconductor Materials & Equipment10.0%—
- Semiconductors8.5%—
- Transaction & Payment Processing Services6.9%—
- Life Sciences Tools & Services6.6%—
- Movies & Entertainment4.1%—
- Systems Software3.9%—
- Health Care Equipment3.7%—
- Electronic Components3.7%—
- Other holdings52.7%—
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 |
|---|---|---|---|---|---|
| $AVGO | Broadcom Inc | 28.5K | $8.83M | +2.39K | 5.0% |
| $NFLX | Netflix Inc | 75.3K | $7.24M | +21.1K | 4.1% |
| $MSFT | Microsoft Corporation | 18.6K | $6.87M | +4.05K | 3.9% |
| $MDT | Medtronic plc | 76.5K | $6.63M | +2.66K | 3.7% |
| $APH | Amphenol Corporation | 52.2K | $6.6M | -3.65K | 3.7% |
| $ROP | Roper Technologies Inc | 18.2K | $6.43M | +4.36K | 3.6% |
| $AMZN | Amazon.com Inc | 30.2K | $6.28M | +3.61K | 3.5% |
| $NVDA | NVIDIA Corporation | 35.4K | $6.17M | +456 | 3.5% |
| $ICE | Intercontinental Exchange Inc | 39.1K | $6.16M | -1.78K | 3.5% |
| $MA | Mastercard Incorporated | 12.3K | $6.13M | +905 | 3.5% |
…and 84 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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