Investors looking to boost returns or fine-tune their portfolios often turn to sector-specific small cap ETFs. These funds combine the aggressive growth potential of small caps with the precision of sector allocation—a strategy that can deliver outperformance during specific economic cycles.
In this guide, we’ll explore the best small cap ETFs focused on technology, healthcare, industrials, and more. We’ll compare performance, risk, sector dynamics, and top holdings to help you make more informed investment decisions in 2025.
Why Sector-Specific Small Cap ETFs?
While broad small cap ETFs provide exposure to the entire market segment, sector-focused funds allow investors to:
Target outperforming industries
Capitalize on cyclical trends
Diversify beyond large-cap sector allocations
Benefit from innovation at the ground level
Expert Insight: "Sector-specific small cap ETFs are tools for tactical investors who want to overweight high-growth segments while still diversifying within the asset class," says Sam Stovall, Chief Investment Strategist at CFRA.
Top Sector-Specific Small Cap ETFs by Category
1. Technology: SPDR S&P Software & Services Small Cap ETF (XSW)
Ticker: XSW
Expense Ratio: 0.35%
2024 Return: +14.3%
Top Holdings: Digi Intl, Rambus, MACOM, Semtech
Why It Stands Out:
Broad software and IT services exposure
Equal-weighted methodology reduces single-stock risk
Strong tailwinds from cloud, AI, and SaaS demand
2. Healthcare: iShares U.S. Medical Devices ETF (IHI) (includes small and mid caps)
Ticker: IHI
Expense Ratio: 0.39%
2024 Return: +12.8%
Top Holdings: Insulet, Penumbra, Globus Medical
Why It Stands Out:
High innovation sector with M&A appeal
Defensive during downturns
Strong small cap representation despite broader scope
Alternative: SPDR S&P Health Care Services ETF (XHS) focuses more directly on small and micro cap healthcare service companies.
3. Industrials: Invesco S&P SmallCap Industrials ETF (PSCI)
Ticker: PSCI
Expense Ratio: 0.29%
2024 Return: +9.1%
Top Holdings: Atlas Air, Astec Industries, Comfort Systems USA
Why It Stands Out:
High exposure to infrastructure, logistics, and machinery
Benefits from CAPEX rebounds and government spending
4. Consumer Discretionary: Invesco S&P SmallCap Consumer Discretionary ETF (PSCD)
Ticker: PSCD
Expense Ratio: 0.29%
2024 Return: +6.5%
Top Holdings: MarineMax, Callaway Golf, Boot Barn
Why It Stands Out:
Great for capturing early-cycle economic recovery plays
Strong consumer rebound potential in 2025
5. Financials: SPDR S&P Regional Banking ETF (KRE)
Ticker: KRE
Expense Ratio: 0.35%
2024 Return: +5.7%
Top Holdings: Western Alliance, East West Bancorp, Regions Financial
Why It Stands Out:
Focuses on small and regional banks
Highly rate-sensitive—could outperform if Fed cuts rates
Comparative Performance Table (2020–2024 CAGR)
| ETF | Sector | CAGR (2020–2024) | Standard Deviation | Yield |
|---|---|---|---|---|
| XSW | Tech | 12.6% | 22.3% | 0.4% |
| IHI | Healthcare | 10.2% | 18.1% | 0.6% |
| PSCI | Industrials | 8.7% | 17.9% | 1.2% |
| PSCD | Consumer Discretionary | 7.4% | 21.0% | 0.9% |
| KRE | Financials | 6.3% | 24.7% | 2.1% |
Sector Trends to Watch in 2025
Technology: Continued AI-driven innovation could push small cap software firms higher.
Healthcare: M&A activity likely to increase amid FDA approvals and tech integration.
Industrials: Infrastructure and clean energy projects offer multi-year tailwinds.
Consumer Discretionary: Dependent on wage growth and interest rate direction.
Financials: Rate cuts could re-energize regional banks, but commercial real estate risks remain.
Macro View: According to FactSet, sectors with the highest small cap earnings growth estimates for 2025 are tech (+12.4%), healthcare (+10.3%), and industrials (+9.6%).
How to Use Sector-Specific Small Cap ETFs in a Portfolio
These ETFs are best used as satellite holdings that complement a diversified core allocation. Suggested strategies:
Allocate 5–10% per sector ETF to overweight themes you believe in
Use momentum or technical indicators for tactical entries
Pair with large cap sector ETFs for broader balance
Pro Tip: Combine small cap sector ETFs with factor-based ETFs (value, momentum) to enhance diversification and reduce risk.
Final Thoughts
Sector-specific small cap ETFs offer a high-risk, high-reward proposition for investors willing to make tactical bets on the U.S. economy and innovation trends. While volatility can be intense, these funds can significantly outperform when the right sectors are in favor.
As always, match your allocations to your risk tolerance, time horizon, and market view. For 2025, tech, healthcare, and industrials remain the most promising small cap sectors to watch.