ACWX vs SPY: Holdings Overlap
ACWXiShares MSCI ACWI ex U.S. ETF
iShares · 1761 holdings · $11.7B · as of 2026-04-30
SPYState Street® SPDR® S&P 500® ETF Trust
State Street (SPDR) · 504 holdings · $812.0B · as of 2026-08-06
Holdings snapshots are 98 days apart (ACWX: 2026-04-30, SPY: 2026-08-06). 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 ACWX and SPY?
iShares MSCI ACWI ex U.S. ETF (ACWX, by iShares) holds 1761 positions; State Street® SPDR® S&P 500® ETF Trust (SPY, by State Street (SPDR)) holds 504. They have 0 holdings in common, and by portfolio weight the two funds are 0.0% identical. In practical terms the pair is essentially distinct, holding almost none of the same securities.
- Overlap by Weight
- 0.0%Sum of the smaller weight of each shared holding
- Shared Holdings
- 0ACWX holds 1761 · SPY holds 504
- Weight in Shared Holdings
- ACWX 0%·SPY 0%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 ACWX
1761 of 1761 positions (99.7% of the fund) are not held by SPY. Showing the top 30 by weight.
Sector Breakdown
| Sector | ACWX | SPY |
|---|---|---|
| Information Technology | 17.5% | 37.6% |
| Financials | 21.6% | 12.3% |
| Industrials | 12.5% | 8.8% |
| Communication Services | 4.5% | 9.7% |
| Consumer Discretionary | 6.5% | 9.3% |
| Other Sectors | 25.6% | 22.3% |
| Unclassified | 11.4% | 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 (11% of ACWX, 0% of SPY).
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| ACWX | +3.0% | +16.6% | +28.7% | +19.1% | +9.3% | +9.6% | 2.46% |
| SPY | +3.4% | +14.0% | +23.7% | +21.2% | +13.3% | +15.3% | 0.97% |
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 ACWX vs SPY →
Shared Holdings(0)
These two funds have no holdings in common.
Frequently Asked Questions
How much do ACWX and SPY overlap?
ACWX and SPY overlap by 0.0% of portfolio weight. They share 0 holdings (ACWX holds 1761 positions and SPY holds 504), based on each fund's latest SEC-reported holdings.
Is it redundant to own both ACWX and SPY?
The two portfolios are 0.0% identical by weight. Owning both is genuine diversification: the funds hold almost none of the same securities.
What does ACWX own that SPY doesn't?
1761 positions (99.7% of ACWX) are unique to ACWX, led by TSMWF, 005930 and ASML. In the other direction, 504 positions (99.9% of SPY) are unique to SPY.