Data as of Oct 28, 2026.
BAI vs VOO: Differences, Returns & Fees
Over the year to Oct 28, 2026, BAI returned +19.6% to VOO's +13.7%, and VOO charges 0.03% to BAI's 0.55%.
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Net assets: $13.6bn on Oct 28, 2026 for iShares A.I. Innovation and Tech Active ETF, and $1.0tn on Sep 30, 2026 for Vanguard S&P 500 ETF.
Pair scorecard
VOO costs 0.52 points a year less; their one-year returns differ by 5.9 points; VOO is far larger, $1.0tn against $14.4bn.
| Measure | BAI | VOO |
|---|---|---|
| Return | ||
| Total return, 1 year | +19.6% | +13.7% |
| Drawdown | ||
| Below its all-time high | 19.6%, high on Jun 22, 2026 | |
| Against its benchmark | ||
| What it tracks | Artificial intelligence | S&P 500 Index |
| Against its benchmark, 1 year | behind by 28.2 pts | |
| Cost and size | ||
| Expense ratio | 0.55% | 0.03% |
| Net assets, as of Sep 30, 2026 | $14.4bn | $1.0tn |
| Active share vs the S&P 500 | 76% | |
| Holdings | ||
| Holdings in common | 23% | |
| Top ten holdings, share of the fund | 42% | 39.1% |
Holdings in common uses holdings dated Sep 30, 2026 and Oct 27, 2026. Method
Risk and return
Nov 1, 2024 to Oct 23, 2026 · 103 weekly returnsEach against its own benchmark: BAI against ARTY, Nov 1, 2024 to Oct 23, 2026; VOO against IVV, Sep 17, 2010 to Oct 23, 2026.
BAI returned more: +67.0% to +36.3%. VOO swung less: 15.0% to 34.4%. VOO fell less at its worst: −16.7% to −33.3%.
Full scorecard
19 measures, with how each is measured Open ↓
| Measure | BAI | VOO | Edge | How it is measured |
|---|---|---|---|---|
| Return | ||||
| Total return | +67.0% | +36.3% | BAI | Price change plus distributions, reinvested. |
| Annualized | +29.5% | +16.9% | BAI | Total return as a yearly rate. |
| Price return | +64.0% | +33.1% | BAI | Price change alone, distributions left out. |
| Risk | ||||
| Volatility | 34.4% | 15.0% | VOO | Spread of weekly returns, annualized. Lower is steadier. |
| Downside deviation | 23.4% | 9.7% | VOO | Like volatility, counting only weeks below the Treasury bill rate. |
| Max drawdown | −33.3% | −16.7% | VOO | Deepest fall from a high to the low after it. |
| Upside capture | 91.9% | 99.8% | Share of its benchmark's rise caught in the weeks it rose. | |
| Downside capture | 102.9% | 99.9% | Share of its benchmark's fall taken in the weeks it fell. Lower is better. | |
| Beta | 0.98 | 1.00 | Not an edge | How far it moves for each 1% its benchmark moves. |
| R squared | 0.89 | 1.00 | Not an edge | Share of its weekly moves its benchmark explains. |
| Risk-adjusted | ||||
| Sharpe | 0.81 | 0.85 | VOO (slight) | Return above Treasury bills per unit of volatility. |
| Sortino | 1.19 | 1.31 | VOO (slight) | Return above Treasury bills per unit of downside deviation. |
| Treynor | 0.283 | 0.134 | Return above Treasury bills per unit of beta. | |
| Calmar | 0.89 | 1.01 | VOO | Annualized return divided by the max drawdown. |
| Against the benchmark | ||||
| Benchmark | ARTY | IVV | The ETF each fund is measured against. | |
| Alpha | −9.4% a year | 0.0% a year | Not significant | Yearly return beyond what its beta to the benchmark predicts. |
| Alpha t-stat | −1.15 | 0.51 | Not an edge | How sure the alpha is. Below 2, it could be chance. |
| Alpha range | −25.5% to +6.8% | −0.1% to +0.2% | Includes zero | The 95% range for the yearly alpha. |
| Information ratio | −0.88 | 0.02 | Return against its benchmark per unit of tracking error. | |
| Tracking error | 11.3% | 0.4% | Not an edge | How far weekly returns stray from the benchmark, annualized. |
Computed by ETFIQ from Tiingo daily prices and ETFIQ's distribution records, 103 weekly returns. Cash rate: the 13-week Treasury bill.
What they share
By the books each fund has filed, BAI and VOO hold 23% of their money in the same securities at the same weight. Holdings dated Sep 30, 2026 and Oct 27, 2026.
half
23% in common
Only in one fund ↓
Side by side
BAI and VOO on the fields both publish, as of Oct 28, 2026. Source: ETFIQ.
BAI and VOO do different jobs. What does each one do in a portfolio?
- What each follows. BAI follows Artificial intelligence and VOO follows S&P 500 Index.
- Holdings in common. 23% of the weight is in the same securities (holdings dated Oct 27, 2026 and Sep 30, 2026).
- One-year total return. Over 1 year to Oct 28, 2026 BAI returned +19.6% and VOO +13.7% with distributions reinvested, a gap of 5.9 points.
Data as of Oct 28, 2026.
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BAI
By weight, 55% of BAI's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 76%. The top ten holdings are 42% of the fund across 49 positions, as published by its issuer for Oct 27, 2026. Over the year to Oct 28, 2026 the fund returned +19.6% with distributions reinvested against +47.8% for its benchmark, the Morningstar Global Artificial Intelligence Select Index, so a holder was behind by 28.2 pts. It sits 19.6% below its all-time high of Jun 22, 2026.
VOO
VOO tracks the S&P 500. Over the year to Oct 28, 2026 it returned +13.7% with distributions reinvested, against +13.7% for its benchmark, the S&P 500 Index. The prospectus expense ratio is 0.03% a year. By its holdings published by its issuer as of Sep 30, 2026, 100% of the fund by weight is stocks the S&P 500 also holds, across 507 positions, with the top ten at 39.1%.
Questions people ask
- Are BAI and VOO in the same category?
- BAI is a thematic ETF and VOO is a stock ETF, so they do different jobs. The table compares what both publish: return, cost and holdings.
- Which returned more over the last year, BAI or VOO?
- In the year to Oct 28, 2026, with distributions reinvested, BAI returned +19.6% and VOO +13.7%.
- Which is cheaper, BAI or VOO?
- VOO is cheaper, by 0.52 percentage points a year. That is about $52 on $10,000 held for a year. Fees come from each fund's prospectus.
Links are sources, not endorsements. A comparison is not a recommendation.
How this is computed
Overlap adds up the smaller of the two weights for each security both funds hold.
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ETFIQ, BAI against VOO, data as of Oct 28, 2026. https://etfiq.com/compare/any/bai-vs-voo
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