DIA vs SPLG: Holdings Overlap
DIAState Street® SPDR® Dow Jones Industrial Average® ETF Trust
State Street (SPDR) · 30 holdings · $47.6B · as of 2026-08-06
SPLGState Street® SPDR® Portfolio S&P 500® ETF
State Street (SPDR) · 504 holdings · $157.4B · as of 2026-08-06
How similar are DIA and SPLG?
State Street® SPDR® Dow Jones Industrial Average® ETF Trust (DIA, by State Street (SPDR)) holds 30 positions; State Street® SPDR® Portfolio S&P 500® ETF (SPLG, by State Street (SPDR)) holds 504. They have 30 holdings in common, and by portfolio weight the two funds are 29.1% identical. In practical terms the pair is lightly overlapping, with most of each portfolio distinct.
- Overlap by Weight
- 29.1%Sum of the smaller weight of each shared holding
- Shared Holdings
- 30DIA holds 30 · SPLG holds 504
- Weight in Shared Holdings
- DIA 100%·SPLG 39%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 DIA
Every position in DIA is also held by SPLG, so it brings nothing the other fund doesn’t already own.
Only in SPLG
474 of 504 positions (60.7% of the fund) are not held by DIA. Showing the top 30 by weight.
Sector Breakdown
| Sector | DIA | SPLG |
|---|---|---|
| Information Technology | 17.3% | 37.6% |
| Financials | 27.4% | 12.3% |
| Industrials | 16.7% | 8.8% |
| Health Care | 13.2% | 8.9% |
| Consumer Discretionary | 10.4% | 9.3% |
| Other Sectors | 15.0% | 23.1% |
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 |
|---|---|---|---|---|---|---|---|
| DIA | +2.1% | +13.2% | +24.6% | +16.9% | +10.8% | +13.5% | 1.33% |
| SPLG | +3.4% | +14.1% | +23.7% | +21.3% | +13.4% | +15.4% | 1.00% |
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 DIA vs SPLG →
Shared Holdings(30)
The top 10 shared positions account for 77% of the overlap, led by MSFT, AAPL and GOOGL.
 MSFTMicrosoft Corp. COM | 5.51% | 5.60% | 5.51% |
|---|---|---|---|
 AAPLApple Inc. COM | 3.44% | 6.92% | 3.44% |
 GOOGLAlphabet Inc. CAP STK CL A | 3.94% | 3.16% | 3.16% |
 AMZNAmazon.com, Inc. COM | 3.00% | 4.02% | 3.00% |
 NVDANVIDIA Corp. COM | 2.41% | 8.00% | 2.41% |
 JPMJPMorgan Chase & Co. COM | 3.93% | 1.44% | 1.44% |
 JNJJohnson & Johnson COM | 2.83% | 0.93% | 0.93% |
 VVisa, Inc., Class A | 4.08% | 0.93% | 0.93% |
 WMTWalmart Inc COM | 1.24% | 0.74% | 0.74% |
 CSCOCisco Systems, Inc. COM | 1.33% | 0.72% | 0.72% |
 CATCaterpillar Inc COM | 9.45% | 0.59% | 0.59% |
 UNHUnitedHealth Group Inc. COM | 4.45% | 0.55% | 0.55% |
 CVXChevron Corp. COM | 2.09% | 0.53% | 0.53% |
 HDHome Depot, Inc. (The) | 3.85% | 0.52% | 0.52% |
 PGThe Procter & Gamble Co. COM | 1.62% | 0.52% | 0.52% |
 KOCoca-Cola Co (The) COM | 0.96% | 0.51% | 0.51% |
 MRKMerck & Co., Inc COM | 1.42% | 0.48% | 0.48% |
 GSGoldman Sachs Group, Inc. (The) | 11.38% | 0.46% | 0.46% |
 IBMInternational Business Machines Corp. COM | 2.57% | 0.33% | 0.33% |
 AMGNAmgen Inc. COM | 4.46% | 0.33% | 0.33% |
 MCDMcDonald's Corp. COM | 3.05% | 0.30% | 0.30% |
 BABoeing Co. (The) | 2.56% | 0.28% | 0.28% |
 AXPAmerican Express Company COM | 3.78% | 0.27% | 0.27% |
 DISWalt Disney Company COM | 1.15% | 0.27% | 0.27% |
 CRMSalesforce Inc. COM | 2.06% | 0.23% | 0.23% |
Frequently Asked Questions
How much do DIA and SPLG overlap?
DIA and SPLG overlap by 29.1% of portfolio weight. They share 30 holdings (DIA holds 30 positions and SPLG holds 504), based on each fund's latest SEC-reported holdings.
Is it redundant to own both DIA and SPLG?
The two portfolios are 29.1% identical by weight. Owning both is not redundant. Most of each portfolio is distinct, so the funds can serve different roles.
What are the biggest shared holdings of DIA and SPLG?
The largest positions held by both funds are MSFT, AAPL, GOOGL, AMZN and NVDA. Together the top 10 shared positions account for 77% of the total overlap.
What does DIA own that SPLG doesn't?
Nothing. Every position in DIA is also held by SPLG. In the other direction, 474 positions (60.7% of SPLG) are unique to SPLG.