Most people think “S&P 500 fund” means one thing. It doesn’t. The 500 companies inside it can be sliced in completely different ways — and two of the most popular alternatives to a standard S&P 500 fund are built on opposite philosophies: growth-tilted funds and equal-weight funds.
Same 500 companies. Wildly different bets.
The Standard S&P 500 (For Reference)
A regular S&P 500 fund weights companies by market cap. That means a small handful of mega-cap companies — think Apple, Microsoft, Nvidia — make up a huge share of the fund, while smaller S&P 500 companies barely move the needle.
Example: VOO (Vanguard S&P 500 ETF) — expense ratio 0.03%
This is the baseline everything else gets compared to.
Growth-Focused S&P 500 Funds
A growth-focused fund takes the same S&P 500 universe and filters it down to companies showing the strongest growth characteristics — revenue growth, earnings growth, momentum. It then weights those companies by market cap, same as a standard index fund, just within a narrower, growth-heavy slice.
Examples:
- VOOG (Vanguard S&P 500 Growth ETF) — expense ratio 0.07%
- SCHG (Schwab U.S. Large-Cap Growth ETF) — expense ratio 0.04%
- SPYG (SPDR Portfolio S&P 500 Growth ETF) — expense ratio 0.04%
What you’re actually betting on: the biggest, fastest-growing companies keep growing faster than the market average. Historically, this has meant heavy allocation to technology and communication services.
Sample allocation split (typical growth fund):
- Technology: ~45-50%
- Communication Services: ~15%
- Consumer Discretionary: ~15%
- Healthcare: ~10%
- Industrials/Other: ~10-15%
Equal-Weight S&P 500 Funds
An equal-weight fund holds the exact same 500 companies as a standard S&P 500 fund — but instead of letting company size determine the weighting, every single company gets roughly the same allocation, around 0.2% each.
Example:
- RSP (Invesco S&P 500 Equal Weight ETF) — expense ratio 0.20%
What you’re actually betting on: that mega-cap concentration is a risk, not a feature, and that spreading exposure evenly across all 500 companies — including the mid-sized ones that get diluted in a normal index fund — produces a smoother, more balanced long-term outcome.
Sample allocation split (equal-weight):
- Every sector represented roughly in proportion to how many S&P 500 companies belong to it, not by size
- Industrials, Financials, and Healthcare typically make up a larger share than they do in a standard or growth-focused fund
- No single company or sector dominates the fund’s performance
Side-by-Side Comparison
| Growth-Focused (e.g. SCHG, VOOG) | Equal-Weight (RSP) | |
|---|---|---|
| Weighting method | Market cap, within a growth-screened subset | Equal weight across all 500 |
| Concentration | High — heavy in mega-cap tech | Low — broadly spread |
| Expense ratio | 0.04%-0.07% | 0.20% |
| Best environment | Bull markets led by big tech/growth names | Broad rallies, mid-cap strength |
| Worst environment | Growth stock sell-offs, rising rate periods | Periods when a few mega-caps drive most gains |
| Volatility | Higher | Generally lower, though turnover and rebalancing add some volatility of their own |
So — Is It Worth Considering?
Here’s the honest answer: it depends entirely on what problem you’re trying to solve.
Consider a growth-focused fund if:
- You believe the biggest tech and growth names will keep outperforming
- You have a long time horizon and can tolerate sharper swings
- You’re comfortable with heavier sector concentration
Consider an equal-weight fund if:
- You’re specifically worried about how concentrated a standard S&P 500 fund has become in a handful of mega-cap stocks
- You want more exposure to mid-sized S&P 500 companies that a cap-weighted fund barely touches
- You’re willing to accept a higher expense ratio and potentially lower returns during mega-cap-led rallies, in exchange for more balance
Consider skipping both if:
- You’re already holding a standard S&P 500 fund and don’t have a strong, specific view on either concentration risk or growth outperformance
- Adding either one mostly just re-tilts a portfolio you already own, without adding genuinely new diversification
The Bottom Line
Growth-focused funds are a bet on the winners staying winners. Equal-weight funds are a bet on the market being wrong to let a handful of companies dominate. Neither is “better” — they solve different problems, and for a lot of investors, a plain, low-cost, standard S&P 500 fund is enough. These are the funds worth reaching for only when you have an actual opinion on concentration risk or growth leadership — not just because the ticker looks interesting.
Disclaimer: This article is for entertainment purposes only and is not financial advice. It’s simply one perspective and set of ideas being shared, not a recommendation to buy, sell, or hold any security. Expense ratios and allocations are subject to change — always verify current figures directly with the fund provider. Always do your own research and consult a licensed financial advisor before making financial decisions.