SPSM vs SPTM: Holdings Overlap
SPSMState Street® SPDR® Portfolio S&P 600™ Small Cap ETF
State Street (SPDR) · 604 holdings · $17.3B · as of 2026-08-06
SPTMState Street® SPDR® Portfolio S&P 1500® Composite Stock Market ETF
State Street (SPDR) · 1506 holdings · $13.6B · as of 2026-08-06
How similar are SPSM and SPTM?
State Street® SPDR® Portfolio S&P 600™ Small Cap ETF (SPSM, by State Street (SPDR)) holds 604 positions; State Street® SPDR® Portfolio S&P 1500® Composite Stock Market ETF (SPTM, by State Street (SPDR)) holds 1506. They have 604 holdings in common, and by portfolio weight the two funds are 2.5% identical. In practical terms the pair is essentially distinct, holding almost none of the same securities.
- Overlap by Weight
- 2.5%Sum of the smaller weight of each shared holding
- Shared Holdings
- 604SPSM holds 604 · SPTM holds 1506
- Weight in Shared Holdings
- SPSM 100%·SPTM 3%Share of each fund's weight in stocks both funds own
Based on each fund's latest official holdings. How is this calculated?
What makes each fund different
Only in SPSM
Every position in SPSM is also held by SPTM, so it brings nothing the other fund doesn’t already own.
Sector Breakdown
| Sector | SPSM | SPTM |
|---|---|---|
| Information Technology | 12.8% | 35.8% |
| Financials | 19.0% | 12.6% |
| Industrials | 17.4% | 9.8% |
| Consumer Discretionary | 13.9% | 9.5% |
| Health Care | 10.6% | 9.0% |
| Other Sectors | 25.1% | 23.1% |
| Unclassified | 0.9% | 0.0% |
Share of each fund's portfolio weight by GICS-style sector, compiled from issuer fund data and our own classification of the holdings, not the issuers' published sector charts. “Unclassified” is weight we could not classify (1% of SPSM, 0% of SPTM).
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| SPSM | +2.4% | +24.5% | +36.5% | +14.6% | +7.7% | +10.9% | 1.36% |
| SPTM | +3.4% | +14.5% | +24.1% | +20.8% | +13.1% | +15.1% | 1.03% |
Total returns including dividends, from adjusted daily closes as of 2026-08-07. 3Y/5Y/10Y are annualized. Yield is trailing-12-month distributions over the last close. Past performance does not predict future results.
Project the growth of $10,000 in SPSM vs SPTM →
Shared Holdings(604)
The top 10 shared positions account for 5% of the overlap, led by CORT, PAYC and MTCH.
 CORTCorcept Therapeutics Inc. COM | 0.56% | 0.02% | 0.02% |
|---|---|---|---|
 PAYCPaycom Software Inc COM | 0.49% | 0.01% | 0.01% |
 MTCHMatch Group Inc COM | 0.47% | 0.01% | 0.01% |
 KMXCarmax Inc COM | 0.45% | 0.01% | 0.01% |
 EATBrinker International, Inc. COM | 0.53% | 0.01% | 0.01% |
 QRVOQorvo Inc COM | 0.42% | 0.01% | 0.01% |
 ESEESCO Technologies Inc. COM | 0.46% | 0.01% | 0.01% |
 FORMFormfactor Inc COM | 0.49% | 0.01% | 0.01% |
 EMNEastman Chemical Company COM | 0.46% | 0.01% | 0.01% |
 PTGXProtagonist Therapeutics Inc COM | 0.48% | 0.01% | 0.01% |
 ESIElement Solutions Inc COM | 0.48% | 0.01% | 0.01% |
 JXNJackson Financial, Inc., Class A | 0.51% | 0.01% | 0.01% |
 LNCLincoln National Corp. COM | 0.43% | 0.01% | 0.01% |
 AWIArmstrong World Industries, Inc. COM | 0.43% | 0.01% | 0.01% |
 AGXArgan Inc COM | 0.45% | 0.01% | 0.01% |
 LQDALiquidia Corporation COM NEW | 0.34% | 0.01% | 0.01% |
 ALKSAlkermes PLC COM USD0.01 | 0.44% | 0.01% | 0.01% |
 PLXSPlexus Corp COM | 0.39% | 0.01% | 0.01% |
 FSSFederal Signal Corp. COM | 0.43% | 0.01% | 0.01% |
 POOLPool Corporation COM | 0.35% | 0.01% | 0.01% |
 MHKMohawk Industries, Inc. COM | 0.37% | 0.01% | 0.01% |
 LWLamb Weston Holdings Inc COM | 0.39% | 0.01% | 0.01% |
 GKOSGlaukos Corp. COM | 0.55% | 0.01% | 0.01% |
 RALRalliant Corp. COM | 0.40% | 0.01% | 0.01% |
 RHPRyman Hospitality Properties Inc COM | 0.43% | 0.01% | 0.01% |
Showing the top 250 of 604 shared holdings by overlap weight.
Frequently Asked Questions
How much do SPSM and SPTM overlap?
SPSM and SPTM overlap by 2.5% of portfolio weight. They share 604 holdings (SPSM holds 604 positions and SPTM holds 1506), based on each fund's latest SEC-reported holdings.
Is it redundant to own both SPSM and SPTM?
The two portfolios are 2.5% identical by weight. Owning both is genuine diversification: the funds hold almost none of the same securities.
What are the biggest shared holdings of SPSM and SPTM?
The largest positions held by both funds are CORT, PAYC, MTCH, KMX and EAT. Together the top 10 shared positions account for 5% of the total overlap.
What does SPSM own that SPTM doesn't?
Nothing. Every position in SPSM is also held by SPTM. In the other direction, 902 positions (97.3% of SPTM) are unique to SPTM.