ETF comparison
RSP vs SPY
Both US Large Cap.
Invesco S&P 500 Equal Weight ETF · State Street SPDR S&P 500 ETF Trust
Holdings overlap
494 positions appear in both funds. Buying equal dollars of RSP and SPY would leave roughly 44.0% of each dollar exposed to the same underlying securities.
Unmatched is the part of a fund's weight the other fund doesn't match: names only it holds, plus any extra weight it puts in names both funds hold.
Side by side
Sub-score comparison
Tracking quality isn't part of the composite — see what we don't score for why.
Cost difference
SPY is 11 bps cheaper than RSP. On a $100,000 position that's about $106/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 SPY.
Top shared holdings
494 shared in total| # | Holding | In RSP | In SPY | Overlap |
|---|---|---|---|---|
| 1 | Palo Alto Networks, Inc. | 0.24% | 0.43% | 0.24% |
| 2 | RTX Corp. | 0.23% | 0.40% | 0.23% |
| 3 | Thermo Fisher Scientific Inc. | 0.23% | 0.39% | 0.23% |
| 4 | Arista Networks, Inc. | 0.23% | 0.28% | 0.23% |
| 5 | Abbott Laboratories | 0.23% | 0.30% | 0.23% |
| 6 | CrowdStrike Holdings, Inc. | 0.23% | 0.37% | 0.23% |
| 7 | Charles Schwab Corp. (The) | 0.23% | 0.23% | 0.23% |
| 8 | Mastercard Inc. | 0.23% | 0.82% | 0.23% |
| 9 | Microsoft Corp. | 0.23% | 6.22% | 0.23% |
| 10 | GE Vernova Inc. | 0.22% | 0.33% | 0.22% |
| 11 | Amazon.com, Inc. | 0.22% | 3.94% | 0.22% |
| 12 | Amgen Inc. | 0.22% | 0.39% | 0.22% |
Only in RSP
10 total- Kenvue Inc. 0.21%
- Corteva, Inc. 0.20%
- Electronic Arts Inc. 0.20%
- Molson Coors Beverage Co. 0.20%
- ONEOK, Inc. 0.19%
- Warner Bros. Discovery, Inc. 0.19%
- AvalonBay Communities, Inc. 0.19%
- Invesco Government & Agency Portfolio 0.18%
- Trade Desk, Inc. (The) 0.18%
- Builders FirstSource, Inc. 0.17%
Only in SPY
10 total- BLOOM ENERGY CORP A 0.09%
- ONEOK INC 0.08%
- FERGUSON ENTERPRISES INC 0.07%
- VYLOR INC 0.07%
- EVERPURE INC A 0.06%
- ILLUMINA INC 0.05%
- TWILIO INC A 0.05%
- OKTA INC 0.05%
- REDDIT INC CL A 0.02%
- CONTRA HOLOGIC INCORPO 0.00%
Related comparisons
More comparisons with RSP
More comparisons with SPY
- SPY vs DUHP · DFA U.S. High Relative Profitability Portfolio – ETF Class Shares 43.4%
- SPY vs VTV · Vanguard Morningstar Value ETF 42.5%
- SPY vs JQUA · JPMorgan U.S. Quality Factor ETF 42.4%
- SPY vs SCHV · Schwab U.S. Large-Cap Value ETF 42.3%
- SPY vs JGRO · JPMorgan Active Growth ETF 42.1%
- SPY vs VIG · Vanguard Dividend Appreciation Index Fund ETF Shares 41.6%
Percentages are holdings overlap with the named fund.
Open RSP or SPY 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.