SPY vs SPTM: Holdings Overlap
SPYState Street® SPDR® S&P 500® ETF Trust
State Street (SPDR) · 504 holdings · $812.0B · 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 SPY and SPTM?
State Street® SPDR® S&P 500® ETF Trust (SPY, by State Street (SPDR)) holds 504 positions; State Street® SPDR® Portfolio S&P 1500® Composite Stock Market ETF (SPTM, by State Street (SPDR)) holds 1506. They have 503 holdings in common, and by portfolio weight the two funds are 92.2% identical. In practical terms the pair is essentially interchangeable, so holding both adds little diversification.
- Overlap by Weight
- 92.2%Sum of the smaller weight of each shared holding
- Shared Holdings
- 503SPY holds 504 · SPTM holds 1506
- Weight in Shared Holdings
- SPY 100%·SPTM 92%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 SPY
1 of 504 positions (0.0% of the fund) are not held by SPTM.
NWSANews Corporation CL A0.02%
Sector Breakdown
| Sector | SPY | SPTM |
|---|---|---|
| Information Technology | 37.6% | 35.8% |
| Financials | 12.3% | 12.6% |
| Industrials | 8.8% | 9.8% |
| Communication Services | 9.7% | 9.1% |
| Consumer Discretionary | 9.3% | 9.5% |
| Other Sectors | 22.3% | 23.0% |
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.
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| SPY | +3.4% | +14.0% | +23.7% | +21.2% | +13.3% | +15.3% | 0.97% |
| 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 SPY vs SPTM →
Shared Holdings(503)
The top 10 shared positions account for 38% of the overlap, led by NVDA, AAPL and MSFT.
 NVDANVIDIA Corp. COM | 8.00% | 7.38% | 7.38% |
|---|---|---|---|
 AAPLApple Inc. COM | 6.92% | 6.39% | 6.39% |
 MSFTMicrosoft Corp. COM | 5.60% | 5.17% | 5.17% |
 AMZNAmazon.com, Inc. COM | 4.02% | 3.71% | 3.71% |
 GOOGLAlphabet Inc. CAP STK CL A | 3.16% | 2.92% | 2.92% |
 AVGOBroadcom Inc COM | 3.00% | 2.77% | 2.77% |
 GOOGAlphabet Inc. CAP STK CL C | 2.54% | 2.34% | 2.34% |
 METAMeta Platforms, Inc., Class A | 1.95% | 1.80% | 1.80% |
 MUMicron Technology Inc. COM | 1.50% | 1.38% | 1.38% |
 BRK-BBerkshire Hathaway, Inc., Class B | 1.45% | 1.34% | 1.34% |
 JPMJPMorgan Chase & Co. COM | 1.44% | 1.33% | 1.33% |
 LLYEli Lilly & Co. COM | 1.42% | 1.31% | 1.31% |
 TSLATesla Inc COM | 1.36% | 1.25% | 1.25% |
 AMDAdvanced Micro Devices Inc. COM | 1.20% | 1.11% | 1.11% |
 XOMEXXONMOBIL HOLDINGS CORP | 0.97% | 0.89% | 0.89% |
 JNJJohnson & Johnson COM | 0.93% | 0.86% | 0.86% |
 VVisa, Inc., Class A | 0.93% | 0.86% | 0.86% |
 WMTWalmart Inc COM | 0.74% | 0.69% | 0.69% |
 CSCOCisco Systems, Inc. COM | 0.72% | 0.67% | 0.67% |
 INTCIntel Corporation COM | 0.71% | 0.65% | 0.65% |
 MAMasterCard Incorporated CL A | 0.70% | 0.65% | 0.65% |
 ABBVAbbVie Inc. COM | 0.65% | 0.60% | 0.60% |
 COSTCostco Wholesale Corporation COM | 0.63% | 0.58% | 0.58% |
 AMATApplied Materials Inc. COM | 0.63% | 0.58% | 0.58% |
 BACBank of America Corp. COM | 0.62% | 0.57% | 0.57% |
Showing the top 250 of 503 shared holdings by overlap weight.
Frequently Asked Questions
How much do SPY and SPTM overlap?
SPY and SPTM overlap by 92.2% of portfolio weight. They share 503 holdings (SPY holds 504 positions and SPTM holds 1506), based on each fund's latest SEC-reported holdings.
Is it redundant to own both SPY and SPTM?
The two portfolios are 92.2% identical by weight. Owning both is largely redundant: they are close to the same portfolio, so a second position mostly duplicates the first.
What are the biggest shared holdings of SPY and SPTM?
The largest positions held by both funds are NVDA, AAPL, MSFT, AMZN and GOOGL. Together the top 10 shared positions account for 38% of the total overlap.
What does SPY own that SPTM doesn't?
1 positions (0.0% of SPY) are unique to SPY, led by NWSA. In the other direction, 1003 positions (7.6% of SPTM) are unique to SPTM.