IWF vs SPLG: Holdings Overlap
IWFiShares Russell 1000 Growth ETF
iShares · 387 holdings · $127.3B · as of 2026-03-31
SPLGState Street® SPDR® Portfolio S&P 500® ETF
State Street (SPDR) · 504 holdings · $157.4B · as of 2026-08-06
Holdings snapshots are 128 days apart (IWF: 2026-03-31, SPLG: 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 IWF and SPLG?
iShares Russell 1000 Growth ETF (IWF, by iShares) holds 387 positions; State Street® SPDR® Portfolio S&P 500® ETF (SPLG, by State Street (SPDR)) holds 504. They have 191 holdings in common, and by portfolio weight the two funds are 58.8% identical. In practical terms the pair is moderately overlapping; they share a meaningful core, but each fund adds distinct exposure.
- Overlap by Weight
- 58.8%Sum of the smaller weight of each shared holding
- Shared Holdings
- 191IWF holds 387 · SPLG holds 504
- Weight in Shared Holdings
- IWF 95%·SPLG 67%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 IWF
196 of 387 positions (4.6% of the fund) are not held by SPLG. Showing the top 30 by weight.
Only in SPLG
313 of 504 positions (33.0% of the fund) are not held by IWF. Showing the top 30 by weight.
Sector Breakdown
| Sector | IWF | SPLG |
|---|---|---|
| Information Technology | 49.2% | 37.6% |
| Consumer Discretionary | 13.1% | 9.3% |
| Communication Services | 12.4% | 9.7% |
| Financials | 5.9% | 12.3% |
| Health Care | 8.0% | 8.9% |
| Other Sectors | 11.1% | 22.1% |
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 |
|---|---|---|---|---|---|---|---|
| IWF | +2.7% | +5.5% | +13.1% | +22.0% | +12.6% | +17.8% | 0.35% |
| 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 IWF vs SPLG →
Shared Holdings(191)
The top 10 shared positions account for 65% of the overlap, led by NVDA, AAPL and MSFT.
 NVDANVIDIA Corp. COM | 12.92% | 8.00% | 8.00% |
|---|---|---|---|
 AAPLApple Inc. COM | 11.64% | 6.92% | 6.92% |
 MSFTMicrosoft Corp. COM | 8.82% | 5.60% | 5.60% |
 AMZNAmazon.com, Inc. COM | 4.66% | 4.02% | 4.02% |
 GOOGLAlphabet Inc. CAP STK CL A | 3.54% | 3.16% | 3.16% |
 AVGOBroadcom Inc COM | 4.79% | 3.00% | 3.00% |
 GOOGAlphabet Inc. CAP STK CL C | 2.87% | 2.54% | 2.54% |
 METAMeta Platforms, Inc., Class A | 3.46% | 1.95% | 1.95% |
 LLYEli Lilly & Co. COM | 2.66% | 1.42% | 1.42% |
 TSLATesla Inc COM | 3.55% | 1.36% | 1.36% |
 VVisa, Inc., Class A | 1.84% | 0.93% | 0.93% |
 MAMasterCard Incorporated CL A | 1.45% | 0.70% | 0.70% |
 AMDAdvanced Micro Devices Inc. COM | 0.69% | 1.20% | 0.69% |
 ABBVAbbVie Inc. COM | 1.39% | 0.65% | 0.65% |
 COSTCostco Wholesale Corporation COM | 1.60% | 0.63% | 0.63% |
 GEGeneral Electric Co. | 1.06% | 0.59% | 0.59% |
 LRCXLam Research Corporation COM NEW | 0.97% | 0.58% | 0.58% |
 PLTRPalantir Technologies, Inc., Class A | 1.15% | 0.54% | 0.54% |
 HDHome Depot, Inc. (The) | 0.90% | 0.52% | 0.52% |
 KOCoca-Cola Co (The) COM | 0.52% | 0.51% | 0.51% |
 NFLXNetflix, Inc. COM | 1.47% | 0.47% | 0.47% |
 PANWPalo Alto Networks Inc COM | 0.46% | 0.44% | 0.44% |
 GEVGE Vernova Inc. COM | 0.85% | 0.41% | 0.41% |
 KLACKLA Corp. COM NEW | 0.70% | 0.38% | 0.38% |
 ORCLOracle Corp. COM | 0.89% | 0.37% | 0.37% |
Frequently Asked Questions
How much do IWF and SPLG overlap?
IWF and SPLG overlap by 58.8% of portfolio weight. They share 191 holdings (IWF holds 387 positions and SPLG holds 504), based on each fund's latest SEC-reported holdings.
Is it redundant to own both IWF and SPLG?
The two portfolios are 58.8% 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 IWF and SPLG?
The largest positions held by both funds are NVDA, AAPL, MSFT, AMZN and GOOGL. Together the top 10 shared positions account for 65% of the total overlap.
What does IWF own that SPLG doesn't?
196 positions (4.6% of IWF) are unique to IWF, led by SPOT, NET and SNOW. In the other direction, 313 positions (33.0% of SPLG) are unique to SPLG.