Highly concentrated growth focused portfolio with strong historic returns and very high risk exposure
Report created on Apr 11, 2026Risk profile
- Secure Speculative
The risk profile, derived from past market volatility, reflects the level of risk the portfolio is exposed to. This assessment helps align your investments with your financial goals and comfort with market fluctuations.
Diversification profile
- Focused Diversified
The diversification assessment evaluates the spread of investments across asset classes, regions, and sectors. This ensures a balanced mix, reducing risk and maximizing returns by not concentrating in any single area.
Positions
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NB Nebius Group N.V.
NBIS - NL0009805522 72.50% -
VT Vanguard Total World Stock Index Fund ETF Shares
VT - US9220427424 27.50%
This portfolio is extremely concentrated: about 72.5% sits in a single stock, Nebius Group N.V., with the remaining 27.5% in a broad global equity ETF. That means one company effectively dominates the overall behavior, while the ETF provides a diversified “wrapper” around it. A structure like this can create big upside when the main position does well, but it also means the entire portfolio is heavily exposed if that company hits trouble. For someone targeting long-term growth, it’s useful to understand that this setup behaves much more like a single-stock bet with a side of diversification, rather than a broadly diversified equity portfolio.
Growth
Historically, the performance has been outstanding: a $1,000 investment grew to about $6,747, implying a compound annual growth rate (CAGR) near 29.8%. CAGR is the “average speed” of growth per year over the whole period. This has crushed both the US market and global market by large margins. The flip side is a brutal max drawdown of about -69%, roughly double the market’s biggest drop, and it took over three and a half years to fully recover. This shows a classic high-risk, high-reward profile: strong long-term gains, but with deep, emotionally challenging downturns along the way.
Projection
The Monte Carlo projection uses historical volatility and returns to simulate many possible 15‑year paths for this mix. Think of it as rolling the dice 1,000 times based on past behavior to see a range of potential futures. The median outcome shows $1,000 growing to roughly $2,767, with a wide “likely” band from about $1,845 to $4,237. There’s roughly a 75% chance of ending positive, but scenarios range from near break-even to very strong gains. These numbers are not guarantees; they simply show what could happen if the future rhymes with the past, which it rarely does perfectly, especially for a concentrated position.
Asset classes
- Stocks 100%
All of the portfolio is in stocks, with 0% in bonds, cash, or alternatives. That means full exposure to equity market ups and downs, without any built‑in buffer from traditionally steadier assets. A 100% equity allocation tends to suit investors with long horizons and the ability to handle large short‑term swings. The positive here is simplicity: every dollar is working for growth. The trade-off is that there’s no shock absorber during market stress, so overall volatility and drawdowns can be much larger than in mixed stock‑bond portfolios, especially when combined with single‑stock concentration.
Sectors
- Telecommunications 75%
- Technology 7%
- Financials 4%
- Industrials 3%
- Consumer Discretionary 3%
- Health Care 2%
- Consumer Staples 1%
- Basic Materials 1%
- Energy 1%
- Utilities 1%
- Real Estate 1%
Sector-wise, the portfolio is dominated by one area: about 75% in telecommunications, largely due to Nebius. The rest is spread thinly across technology, financials, industrials, consumer, health care, and other sectors via the global ETF. Compared with broad market benchmarks, this is an extreme sector tilt, not a balanced spread. Heavy concentration in a single sector means portfolio results are closely tied to that industry’s fortunes, regulatory changes, and competitive landscape. Sector‑specific shocks or sentiment swings can hit overall returns hard, even if the broader market or other sectors are doing reasonably well.
Regions
- Europe Developed 77%
- North America 17%
- Japan 2%
- Asia Developed 2%
- Asia Emerging 2%
Geographically, exposure is very skewed toward developed Europe at around 77%, with about 17% in North America and small slices in Japan and other Asian regions. This is much more Europe‑heavy than global benchmarks, where the US and North America typically take the lead. That means returns are strongly linked to European economic conditions, politics, currency moves, and regulation. On the plus side, the ETF does bring some global reach. Still, the overall profile is far from globally neutral, so country and regional events in Europe can drive performance far more than a world‑market investor might expect.
Market capitalization
- Large-cap 81%
- Mega-cap 12%
- Mid-cap 5%
- Small-cap 1%
In terms of company size, the mix is mainly large‑cap and mega‑cap, with more than 90% in the biggest global firms and only a small allocation to mid‑ and small‑caps. Large‑caps tend to have steadier earnings and more analyst coverage, which can make them relatively less volatile than tiny companies, all else equal. However, the presence of a dominant single stock can overshadow that stabilizing effect. From a pure market‑cap perspective, this is reasonably in line with global norms, which lean heavily toward big companies. The key issue remains concentration, not size balance.
True holdings
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NV NVIDIA Corporation 1.03%
Part of fund(s):- Vanguard Total World Stock Index Fund ETF Shares
-
AA Apple Inc 0.96%
Part of fund(s):- Vanguard Total World Stock Index Fund ETF Shares
-
MS Microsoft Corporation 0.72%
Part of fund(s):- Vanguard Total World Stock Index Fund ETF Shares
-
AM Amazon.com Inc 0.50%
Part of fund(s):- Vanguard Total World Stock Index Fund ETF Shares
-
GO Alphabet Inc Class A 0.45%
Part of fund(s):- Vanguard Total World Stock Index Fund ETF Shares
-
23 Taiwan Semiconductor Manufacturing Co. Ltd. 0.38%
Part of fund(s):- Vanguard Total World Stock Index Fund ETF Shares
-
AV Broadcom Inc 0.37%
Part of fund(s):- Vanguard Total World Stock Index Fund ETF Shares
-
GO Alphabet Inc Class C 0.37%
Part of fund(s):- Vanguard Total World Stock Index Fund ETF Shares
-
ME Meta Platforms Inc. 0.35%
Part of fund(s):- Vanguard Total World Stock Index Fund ETF Shares
- Top 10 total 77.62%
Looking through the ETF, the real driver is obvious: Nebius alone is over 72% of total exposure. The rest of the look-through holdings are tiny in comparison, mainly mega-cap names like NVIDIA, Apple, Microsoft, Amazon, Alphabet, and Meta. Overlap between direct holdings and ETF constituents is essentially zero for Nebius, which avoids double-counting that name but doesn’t solve the concentration problem. Since only the ETF’s top 10 are captured, smaller positions are missing, meaning true diversification is better than this list suggests — but still dwarfed by the massive single-stock weight.
Factors
Factor exposures are estimated using statistical models based on historical data and measure systematic (market-relative) tilts, not absolute portfolio characteristics. Results may vary depending on the analysis period, data availability, and currency of the underlying assets.
Factor exposure is fairly balanced, with neutral readings around momentum, quality, yield, and low volatility, suggesting the portfolio behaves broadly like the market on these dimensions. Where it stands out is on value and size, both showing low exposure, meaning a mild tilt away from cheaper and smaller companies. Factor investing looks at these traits as “ingredients” driving returns, and here the blend is closer to a growth and large‑cap style. That can do very well when growth names are in favor, but may lag in periods where cheaper or smaller companies outperform, so performance could swing with style cycles.
Risk contribution
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Nebius Group N.V.
Weight: 72.50% 94.7% -
Vanguard Total World Stock Index Fund ETF Shares
Weight: 27.50% 5.3%
Risk contribution puts numbers behind which holdings really drive the ups and downs. Nebius is 72.5% of the weight but contributes about 94.7% of total risk, meaning almost all volatility and drawdown potential come from this single stock. By contrast, the global ETF is over a quarter of the portfolio by size but only about 5.3% of the risk. This mismatch shows how a volatile, concentrated position can dominate the experience, similar to one very loud instrument in an otherwise balanced band. Adjusting position sizes is the main lever to align risk contribution more closely with the intended level of diversification.
Risk vs. return
This chart shows the Efficient Frontier, calculated using your current assets with different allocation combinations. It highlights the best balance between risk and return based on historical data. "Efficient" portfolios maximize returns for a given risk or minimize risk for a given return. Portfolios below the curve are less efficient. This is informational and not a recommendation to buy or sell any assets.
Click on the colored dots to explore allocations.
The risk‑return chart shows the current portfolio right on or very close to the efficient frontier, meaning that given these two holdings, the mix is already using risk efficiently. The Sharpe ratio of about 0.75 is lower than the optimal portfolio’s 0.94, but that optimal mix achieves this with much less risk and a more moderate return. The minimum variance version still offers a better Sharpe than the current setup. In practice, this means reweighting toward a less concentrated mix of the same holdings could improve risk‑adjusted returns, but the current allocation is already quite efficient for someone intentionally targeting very high risk.
Dividends
- Vanguard Total World Stock Index Fund ETF Shares 1.70%
- Weighted yield (per year) 0.47%
The overall dividend yield is modest at about 0.47%, even though the global ETF itself yields around 1.7%. A low portfolio yield usually signals a stronger tilt toward growth and capital appreciation rather than income. For investors not relying on regular cash flow, this can be fine: the focus is on long‑term price gains. For those who like predictable income streams, this setup may feel light, especially versus higher‑yielding equity or mixed‑asset approaches. It’s also worth remembering dividends are only part of total return; reinvested dividends from the ETF still quietly contribute to compounding over time.
Ongoing product costs
- Vanguard Total World Stock Index Fund ETF Shares 0.07%
- Weighted costs total (per year) 0.02%
Costs are a real bright spot. The ETF’s total expense ratio (TER) is only 0.07%, and the overall blended TER for the portfolio sits around a very low 0.02%. TER is the annual fee charged by funds as a percentage of your investment, like a small toll taken each year. Keeping these costs low is a big advantage, because even small fee differences compound into meaningful sums over long horizons. Here, the fee drag is almost negligible, which supports better long‑term performance. The main risks in this portfolio clearly come from concentration and volatility, not from ongoing costs.
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