SPY vs SUSA: Holdings Overlap
SPYState Street® SPDR® S&P 500® ETF Trust
State Street (SPDR) · 504 holdings · $812.0B · as of 2026-08-06
SUSAiShares ESG Optimized MSCI USA ETF
iShares · 170 holdings · $4.1B · as of 2026-04-30
Holdings snapshots are 98 days apart (SPY: 2026-08-06, SUSA: 2026-04-30). Weights and index membership change between snapshots, so the true current overlap is typically higher than shown. For funds tracking the same index, the gap can be 5–15 points.
How similar are SPY and SUSA?
State Street® SPDR® S&P 500® ETF Trust (SPY, by State Street (SPDR)) holds 504 positions; iShares ESG Optimized MSCI USA ETF (SUSA, by iShares) holds 170. They have 156 holdings in common, and by portfolio weight the two funds are 51.3% identical. In practical terms the pair is moderately overlapping; they share a meaningful core, but each fund adds distinct exposure.
- Overlap by Weight
- 51.3%Sum of the smaller weight of each shared holding
- Shared Holdings
- 156SPY holds 504 · SUSA holds 170
- Weight in Shared Holdings
- SPY 58%·SUSA 97%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
348 of 504 positions (42.3% of the fund) are not held by SUSA. Showing the top 30 by weight.
Sector Breakdown
| Sector | SPY | SUSA |
|---|---|---|
| Information Technology | 37.6% | 38.2% |
| Financials | 12.3% | 11.9% |
| Industrials | 8.8% | 11.3% |
| Communication Services | 9.7% | 8.5% |
| Consumer Discretionary | 9.3% | 5.9% |
| Other Sectors | 22.3% | 24.1% |
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% |
| SUSA | +3.0% | +14.4% | +24.2% | +19.9% | +11.2% | +14.9% | 0.82% |
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 SUSA →
Shared Holdings(156)
The top 10 shared positions account for 60% of the overlap, led by NVDA, AAPL and MSFT.
 NVDANVIDIA Corp. COM | 8.00% | 7.92% | 7.92% |
|---|---|---|---|
 AAPLApple Inc. COM | 6.92% | 5.35% | 5.35% |
 MSFTMicrosoft Corp. COM | 5.60% | 4.35% | 4.35% |
 GOOGLAlphabet Inc. CAP STK CL A | 3.16% | 3.01% | 3.01% |
 AVGOBroadcom Inc COM | 3.00% | 3.07% | 3.00% |
 GOOGAlphabet Inc. CAP STK CL C | 2.54% | 3.84% | 2.54% |
 TSLATesla Inc COM | 1.36% | 1.63% | 1.36% |
 LLYEli Lilly & Co. COM | 1.42% | 1.21% | 1.21% |
 AMDAdvanced Micro Devices Inc. COM | 1.20% | 1.12% | 1.12% |
 VVisa, Inc., Class A | 0.93% | 0.97% | 0.93% |
 INTCIntel Corporation COM | 0.71% | 0.96% | 0.71% |
 MAMasterCard Incorporated CL A | 0.70% | 0.92% | 0.70% |
 CSCOCisco Systems, Inc. COM | 0.72% | 0.67% | 0.67% |
 AMATApplied Materials Inc. COM | 0.63% | 1.51% | 0.63% |
 MUMicron Technology Inc. COM | 1.50% | 0.63% | 0.63% |
 LRCXLam Research Corporation COM NEW | 0.58% | 1.03% | 0.58% |
 HDHome Depot, Inc. (The) | 0.52% | 1.14% | 0.52% |
 PGThe Procter & Gamble Co. COM | 0.52% | 0.58% | 0.52% |
 PANWPalo Alto Networks Inc COM | 0.44% | 0.66% | 0.44% |
 GEVGE Vernova Inc. COM | 0.41% | 0.57% | 0.41% |
 MSMorgan Stanley COM NEW | 0.39% | 1.38% | 0.39% |
 TXNTexas Instruments Inc. COM | 0.38% | 0.58% | 0.38% |
 KOCoca-Cola Co (The) COM | 0.51% | 0.36% | 0.36% |
 IBMInternational Business Machines Corp. COM | 0.33% | 0.66% | 0.33% |
 ORCLOracle Corp. COM | 0.37% | 0.31% | 0.31% |
Frequently Asked Questions
How much do SPY and SUSA overlap?
SPY and SUSA overlap by 51.3% of portfolio weight. They share 156 holdings (SPY holds 504 positions and SUSA holds 170), based on each fund's latest SEC-reported holdings.
Is it redundant to own both SPY and SUSA?
The two portfolios are 51.3% identical by weight. Owning both is defensible: they share a meaningful core, but each fund adds exposure the other lacks.
What are the biggest shared holdings of SPY and SUSA?
The largest positions held by both funds are NVDA, AAPL, MSFT, GOOGL and AVGO. Together the top 10 shared positions account for 60% of the total overlap.
What does SPY own that SUSA doesn't?
348 positions (42.3% of SPY) are unique to SPY, led by AMZN, META and BRK-B. In the other direction, 14 positions (3.3% of SUSA) are unique to SUSA.