ETF comparison
RSP vs VO
US Large Cap vs US Mid Cap.
Invesco S&P 500 Equal Weight ETF · Vanguard Mid-Cap Index Fund ETF Shares
Holdings overlap
252 positions appear in both funds. Buying equal dollars of RSP and VO would leave roughly 47.5% of each dollar exposed to the same underlying securities.
Side by side
Sub-score comparison
Tracking quality isn't part of the composite — see what we don't score for why.
Cost difference
VO is 17 bps cheaper than RSP. On a $100,000 position that's about $170/yr more in fees for RSP.
Fee figure is the annual expense charged on $100,000. To see how the gap compounds over a multi-decade holding period, open the cost calculator pre-filled with RSP vs VO.
Top shared holdings
252 shared in total| # | Holding | In RSP | In VO | Overlap |
|---|---|---|---|---|
| 1 | Seagate Technology Holdings PLC | 0.34% | 0.93% | 0.34% |
| 2 | Western Digital Corp. | 0.31% | 1.00% | 0.31% |
| 3 | Ciena Corp. | 0.30% | 0.30% | 0.30% |
| 4 | Monolithic Power Systems, Inc. | 0.29% | 0.55% | 0.29% |
| 5 | Microchip Technology Inc. | 0.27% | 0.38% | 0.27% |
| 6 | ON Semiconductor Corp. | 0.33% | 0.27% | 0.27% |
| 7 | Lumentum Holdings Inc. | 0.26% | 0.27% | 0.26% |
| 8 | Hewlett Packard Enterprise Co. | 0.26% | 0.34% | 0.26% |
| 9 | Nucor Corp. | 0.25% | 0.40% | 0.25% |
| 10 | Comfort Systems USA, Inc. | 0.25% | 0.26% | 0.25% |
| 11 | Quanta Services, Inc. | 0.25% | 0.89% | 0.25% |
| 12 | Carvana Co. | 0.25% | 0.46% | 0.25% |
Only in RSP
252 total- Intel Corp. 0.38%
- Advanced Micro Devices, Inc. 0.33%
- Sandisk Corp. 0.32%
- NXP Semiconductors N.V. 0.28%
- Dell Technologies Inc. 0.27%
- Texas Instruments Inc. 0.27%
- QUALCOMM Inc. 0.26%
- Jabil Inc. 0.25%
- UnitedHealth Group Inc. 0.25%
- Elevance Health, Inc. 0.25%
Only in VO
37 total- Cloudflare Inc 0.68%
- Cheniere Energy Inc 0.62%
- Ferguson Enterprises Inc 0.50%
- Alnylam Pharmaceuticals Inc 0.48%
- Marvell Technology Inc 0.47%
- Waste Connections Inc 0.45%
- Strategy Inc 0.43%
- ROBLOX Corp 0.39%
- Sunbelt Rentals Holdings Inc 0.30%
- Veeva Systems Inc 0.28%
Open RSP or VO at a brokerage
Both funds trade commission-free at major US brokerages.
Affiliate links — opening an account through these earns PlainIndex a one-time referral. Scoring is computed before any affiliate consideration; see our methodology and funding disclosure.
Holdings overlap is the sum of min(weight_a, weight_b) over positions
matched on ISIN (CUSIP fallback). Methodology: see
/methodology/.
Comparing two funds doesn't endorse swapping one for the other. Tax-lot history, account type, and personal goals matter — PlainIndex publishes data and methodology, not investment advice.