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<h2>Key Points</h2><ul><li>State Street SPDR Portfolio S&amp;P 600 Small Cap ETF provides a more cost-efficient entry to the small-cap market with a 0.03% expense ratio.</li><li>iShares Core S&amp;P Small-Cap ETF holds a massive lead in assets under management compared to its State Street counterpart.</li><li>Both funds provide highly similar exposure to the S&amp;P SmallCap 600 Index resulting in nearly identical 5-year maximum drawdowns. </li><li>10 stocks we like better than iShares Core S&amp;P Small-Cap ETF ›</li></ul><p>The <strong>State Street SPDR Portfolio S&amp;P 600 Small Cap ETF</strong> <span class="ticker">(NYSEMKT:SPSM)</span> offers a lower-cost entry to small caps, while the <strong>iShares Core S&amp;P Small-Cap ETF</strong> <span class="ticker">(NYSEMKT:IJR)</span> provides superior liquidity and historical longevity.</p><p>Both funds target the S&amp;P SmallCap 600 Index, providing exposure to profitable small-cap U.S. companies. While they share the same underlying index and risk profiles, investors typically choose between them based on subtle differences in expense ratios, trading volume, and assets under management (AUM).</p><h2 id="snapshot-cost-amp-size">Snapshot (cost &amp; size)</h2><section><table><tbody><tr><th>Metric</th><th>SPSM</th><th>IJR</th></tr><tr><td>Issuer</td><td>SPDR</td><td>iShares</td></tr><tr><td>Expense ratio</td><td>0.03%</td><td>0.06%</td></tr><tr><td>1-yr return (as of May 7, 2026)</td><td>37.30%</td><td>37.10%</td></tr><tr><td>Dividend yield</td><td>1.40%</td><td>1.20%</td></tr><tr><td>Beta</td><td>1.04</td><td>1.04</td></tr><tr><td>AUM</td><td>$15.6 billion</td><td>$102.9 billion</td></tr></tbody></table></section><p>Beta measures price volatility relative to the S&amp;P 500; beta is calculated from five-year monthly returns. The 1-yr return represents total return over the trailing 12 months. Dividend yield is the trailing-12-month distribution yield.</p><p>The State Street fund is more affordable with a 0.03% expense ratio, saving investors three dollars per $10,000 invested annually compared to the iShares fund. It also currently offers a slightly higher distribution yield of 1.40%.</p><h2 id="performance-amp-risk-comparison">Performance &amp; risk comparison</h2><section><table><tbody><tr><th>Metric</th><th>SPSM</th><th>IJR</th></tr><tr><td>Max drawdown (5 yr)</td><td>(27.90%)</td><td>(28.00%)</td></tr><tr><td>Growth of $1,000 over 5 years (total return)</td><td>$1,324</td><td>$1,320</td></tr></tbody></table></section><h2 id="whatx27s-inside">What's inside</h2><p>The <strong>iShares Core S&amp;P Small-Cap ETF</strong> <span class="ticker">(NYSEMKT:IJR)</span> holds 640 stocks and was launched in 2000. Its largest positions include <strong>Viavi Solutions</strong> <span class="ticker">(NASDAQ:VIAV)</span> at 0.74%, <strong>Sanmina</strong> <span class="ticker">(NASDAQ:SANM)</span> at 0.71%, and <strong>FormFactor</strong> <span class="ticker">(NASDAQ:FORM)</span> at 0.66%. The fund focuses on financial services (16.00%), industrials (16.00%), and technology (15.00%). It has a trailing-12-month dividend of $1.60 per share.</p><p>The <strong>State Street SPDR Portfolio S&amp;P 600 Small Cap ETF</strong> <span class="ticker">(NYSEMKT:SPSM)</span> holds 606 stocks and was launched in 2013. Its top holdings include <strong>FormFactor</strong> <span class="ticker">(NASDAQ:FORM)</span> at 0.61%, <strong>Viavi Solutions</strong> <span class="ticker">(NASDAQ:VIAV)</span> at 0.58%, and <strong>Semtech</strong> <span class="ticker">(NASDAQ:SMTC)</span> at 0.58%. It has a similar sector profile led by industrials (17.00%) and financial services (17.00%), and paid $0.77 per share over the trailing 12 months.</p><p>For more guidance on ETF investing, check out the full guide at this link.</p><h2 id="what-this-means-for-investors-">What this means for investors </h2><p>Small-cap stocks — companies too small for the S&amp;P 500 — have historically outperformed large caps over long time horizons, but with a catch: The small-cap universe is full of speculative, unprofitable companies that can drag returns down significantly. Both SPSM and IJR sidestep that problem by tracking the S&amp;P SmallCap 600, an index that requires profitability before admission. That shared quality screen is what sets them apart from broader small-cap funds.</p><p>In fact, these two funds are so similar that the choice between them is almost entirely about fund mechanics rather than strategy. Both hold the same roughly 600 companies in the same proportions. But SPSM charges half of what IJR does. That’s a difference that amounts to a few dollars annually per $10,000 invested, but one that compounds quietly over decades.</p><p>What IJR offers in return is scale and history. With roughly six times the assets and a track record stretching back to 2000, IJR is the more established vehicle and carries deeper liquidity. For buy-and-hold investors, SPSM's lower cost is the stronger argument. Those who value a longer track record and greater fund depth will find IJR worth the modest premium.</p><p></p><h2>Should you buy stock in iShares Core S&amp;P Small-Cap ETF right now?</h2>
<p>Before you buy stock in iShares Core S&amp;P Small-Cap ETF, consider this:</p>
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<p style="color: #767676; text-align: left"><em>*Stock Advisor returns as of May 11, 2026. </em></p><p><em>Sara Appino has no position in any of the stocks mentioned. The Motley Fool has positions in and recommends Viavi Solutions and iShares Core S&amp;P Small-Cap ETF. The Motley Fool has a disclosure policy.</em></p>
<p>The views and opinions expressed herein are the views and opinions of the author and do not necessarily reflect those of Nasdaq, Inc.</p>
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SPSM

<p>The State Street SPDR Portfolio S&P 600 Small Cap ETF (SPSM) and iShares Core S&P Small-Cap ETF (IJR) provide similar exposure to the S&P SmallCap 600 Index but differ in cost and liquidity. SPSM has a lower expense ratio of 0.03% and a slightly higher dividend yield of 1.40%, while IJR has a larger asset base of $102.9 billion and a longer track record since 2000. Investors may choose SPSM for cost efficiency or IJR for its established history and liquidity. Both funds require profitability for index inclusion, making them safer small-cap options.</p>

SPSM and IJR Own Identical Portfolios. Here's Why the Choice Still Matters.