PKW vs VOO
Invesco BuyBack Achievers ETF vs Vanguard S&P 500 ETF
Which is better, PKW or VOO?
Large Cap Value against Large Cap Blend.
VOO has a lower expense ratio. VOO led over 1Y, 3Y, 5Y and the full window. The two have moved almost in lockstep, correlation 0.90. VOO is less concentrated, with 37.6% of the fund in its ten largest positions against 41.7%.
MarketXLS is not an investment adviser. This comparison is generated automatically from market data and is for information only. A Best mark means the better reading on that one measure, not a recommendation to buy.
Side-by-Side Comparison
| Metric | PKW | VOO |
|---|---|---|
| Expense Ratio | 0.63% | 0.03%Best |
| AUM | $1.7B | $1.0T |
| Dividend Yield | 0.74% | 1.04% |
| Holdings | 580 | 506 |
| YTD Return | +7.28% | +12.75%Best |
| 1Y Return | +10.19% | +15.60%Best |
| 3Y Return (annualized) | +18.62% | +22.95%Best |
| 5Y Return (annualized) | +10.78% | +13.55%Best |
| Volatility (annualized) | 16.1% | 14.1%Best |
| Max Drawdown | -41.3% | -34.3%Best |
| $10,000 over 5 years | $16,684 | $18,877Best |
| Top 10 Weight | 41.7% | 37.6%Best |
| Fund Family | Invesco (US) | Vanguard (US) |
| Category | Equity | Equity |
| Style | Large Cap Value | Large Cap Blend |
| Inception | Dec 20, 2006 | Sep 7, 2010 |
Volatility and max drawdown are measured over the window both funds cover: Sep 9, 2010 to Oct 1, 2026 (16.1 years).
PKW vs VOO growth
Month-end closes. Both lines start at 0% in the first month shown, so the gap between them is the difference in growth across that window. The full view covers the 16.1 years both funds cover.
PKW vs VOO Performance
Invesco BuyBack Achievers ETF (PKW) is an ETF from Invesco (US) and Vanguard S&P 500 ETF (VOO) is an ETF from Vanguard (US). Over the past year PKW returned +10.19% while VOO returned +15.60%. Year to date, PKW is up 7.28% versus a gain of 12.75% for VOO.
Over three years, PKW compounded at +18.62% per year against +22.95% for VOO; over five years the annualized figures are +10.78% and +13.55% respectively. Across the full 16-year window we track, VOO has the edge at +13.38% annualized vs +13.14%.
Past performance does not guarantee future results.
Risk: Volatility and Drawdowns
PKW has been the more volatile fund, with annualized monthly volatility of 16.1% compared with 14.1% for VOO. Lower volatility generally means a smoother ride, though it often comes with lower long-run returns.
The deepest peak-to-trough decline in our data was -41.3% for PKW and -34.3% for VOO. Drawdown depth is what each fund did in the worst stretch of the window measured above.
The two funds' monthly returns correlate at 0.90. They move almost in lockstep, so holding both mostly duplicates the same exposure.
Fees and Cost Over Time
PKW charges 0.63% per year while VOO charges 0.03%. On a $10,000 position that is $63 vs $3 annually, a gap of $60 per year that compounds over a long holding period. On income, PKW currently yields 0.74% against 1.04% for VOO.
Holdings Overlap
73.0% of PKW's money is in holdings VOO also owns. 4.2% of VOO's money is in holdings PKW also owns.
Most of PKW is already inside VOO. Owning both mostly buys the same companies twice.
The two holdings books were reported 46 days apart, PKW as of Sep 15, 2026 and VOO as of Jul 31, 2026, so some of the difference between them is the time between the two reports rather than the funds.
52 positions in common, counted across the 287 positions we hold weights for in PKW and 494 in VOO, against full books of 580 and 506.
What only one of them owns
Our book lists 435 positions for VOO that do not appear in our book for PKW (94.9% of the fund), and 221 for PKW that do not appear in VOO (25.3%).
Some of those will be the same company recorded under a different code in one of the two books, so the real difference in what you would own is no larger than this and may be smaller. We do not name the individual positions here for that reason.
Top Shared Holdings
| Stock | Weight in PKW | Weight in VOO | Difference |
|---|---|---|---|
| CRMSalesforce Inc Crm Us Equity | 6.32% | 0.23% | 6.09% |
| BACBank of America Corp.: Financials | 5.02% | 0.63% | 4.39% |
| SCHWSchwab Strategic T | 5.27% | 0.27% | 5.00% |
| WFCWells Fargo & Co. | 4.95% | 0.41% | 4.54% |
| CCitigroup Inc. | 4.50% | 0.34% | 4.16% |
| VLOValero Energy | 3.49% | 0.14% | 3.35% |
| MPCMarathon Petroleum Corp | 3.48% | 0.14% | 3.34% |
| ADBEAdobe Systems | 3.16% | 0.16% | 3.00% |
| JCIJohnson Controls International Plc | 3.00% | 0.14% | 2.86% |
| TRVThe Travelers Cos, Inc. | 2.52% | 0.12% | 2.40% |
73.0% of PKW is already inside VOO.
You probably hold more than these two. Add the rest and see how much of the whole book is the same companies twice.
Free for up to 10 holdings. No account needed.
Frequently Asked Questions
Which is cheaper, PKW or VOO?
PKW has an expense ratio of 0.63% while VOO charges 0.03%. VOO is the cheaper option, by $60 a year on a $10,000 investment.
Which performed better, PKW or VOO?
Over the past year PKW returned +10.19% vs +15.60% for VOO, so VOO leads on 1-year performance. Over the longest common window we track (16 years), PKW annualized +13.14% vs +13.38% for VOO. Past performance does not guarantee future results. This is information, not a recommendation.
Which is riskier, PKW or VOO?
PKW has been the more volatile fund at 16.1% annualized versus 14.1% for VOO. Worst drawdown: PKW -41.3% vs VOO -34.3%.
Should I hold both PKW and VOO?
PKW and VOO have a monthly-return correlation of 0.90, so they move almost identically. What is left to separate them is the fee and the index each one tracks. This is information, not a recommendation.
What is the holdings overlap between PKW and VOO?
73.0% of PKW's money is in holdings VOO also owns. 4.2% of VOO's is in holdings PKW also owns. They hold 52 positions in common, counted across the 287 positions we hold weights for in PKW and 494 in VOO.
Which pays a higher dividend, PKW or VOO?
PKW yields 0.74% while VOO yields 1.04%, so VOO currently pays the higher dividend yield.
Is VOO better than PKW?
VOO has a lower expense ratio. VOO led over 1Y, 3Y, 5Y and the full window. The two have moved almost in lockstep, correlation 0.90. VOO is less concentrated, with 37.6% of the fund in its ten largest positions against 41.7%. Which one suits a particular account depends on what it is for. This is information, not a recommendation.