IGM vs VTI: Holdings Overlap
IGMiShares Expanded Tech Sector ETF
iShares · 288 holdings · $10.7B · as of 2026-03-31
VTIVanguard Total Stock Market Index Fund
Vanguard · 3505 holdings · $696.4B · as of 2026-03-31
How similar are IGM and VTI?
iShares Expanded Tech Sector ETF (IGM, by iShares) holds 288 positions; Vanguard Total Stock Market Index Fund (VTI, by Vanguard) holds 3505. They have 277 holdings in common, and by portfolio weight the two funds are 38.3% identical. In practical terms the pair is moderately overlapping; they share a meaningful core, but each fund adds distinct exposure.
- Overlap by Weight
- 38.3%Sum of the smaller weight of each shared holding
- Shared Holdings
- 277IGM holds 288 · VTI holds 3505
- Weight in Shared Holdings
- IGM 98%·VTI 38%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 IGM
11 of 288 positions (1.7% of the fund) are not held by VTI.
Sector Breakdown
| Sector | IGM | VTI |
|---|---|---|
| Information Technology | 82.6% | 30.5% |
| Communication Services | 17.1% | 9.6% |
| Financials | 0.0% | 12.7% |
| Industrials | 0.0% | 10.4% |
| Health Care | 0.0% | 10.0% |
| Other Sectors | 0.0% | 26.1% |
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 |
|---|---|---|---|---|---|---|---|
| IGM | +4.5% | +26.9% | +40.7% | +35.3% | +19.1% | +23.9% | 0.13% |
| VTI | +3.3% | +14.6% | +24.2% | +20.9% | +12.3% | +14.9% | 1.02% |
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 IGM vs VTI →
Shared Holdings(277)
The top 10 shared positions account for 72% of the overlap, led by NVDA, AAPL and MSFT.
 NVDANVIDIA Corp. COM | 8.44% | 6.42% | 6.42% |
|---|---|---|---|
 AAPLApple Inc. COM | 8.76% | 5.94% | 5.94% |
 MSFTMicrosoft Corp. COM | 8.23% | 4.38% | 4.38% |
 GOOGLAlphabet Inc. CAP STK CL A | 4.65% | 2.67% | 2.67% |
 AVGOBroadcom Inc COM | 8.16% | 2.34% | 2.34% |
 GOOGAlphabet Inc. CAP STK CL C | 3.73% | 2.11% | 2.11% |
 METAMeta Platforms, Inc., Class A | 4.17% | 2.00% | 2.00% |
 NFLXNetflix, Inc. COM | 2.68% | 0.65% | 0.65% |
 MUMicron Technology Inc. COM | 2.51% | 0.61% | 0.61% |
 AMDAdvanced Micro Devices Inc. COM | 2.19% | 0.53% | 0.53% |
 PLTRPalantir Technologies, Inc., Class A | 2.20% | 0.51% | 0.51% |
 CSCOCisco Systems, Inc. COM | 2.02% | 0.44% | 0.44% |
 AMATApplied Materials Inc. COM | 1.79% | 0.43% | 0.43% |
 LRCXLam Research Corporation COM NEW | 1.76% | 0.43% | 0.43% |
 ORCLOracle Corp. COM | 1.65% | 0.40% | 0.40% |
 IBMInternational Business Machines Corp. COM | 1.49% | 0.36% | 0.36% |
 KLACKLA Corp. COM NEW | 1.27% | 0.31% | 0.31% |
 INTCIntel Corporation COM | 1.37% | 0.28% | 0.28% |
 TXNTexas Instruments Inc. COM | 1.16% | 0.28% | 0.28% |
 CRMSalesforce Inc. COM | 1.15% | 0.26% | 0.26% |
 ADIAnalog Devices Inc. COM | 1.03% | 0.25% | 0.25% |
 APHAmphenol Corporation CL A | 1.02% | 0.25% | 0.25% |
 QCOMQUALCOMM Inc. COM | 0.91% | 0.22% | 0.22% |
 ANETArista Networks Inc COM SHS | 0.84% | 0.21% | 0.21% |
 PANWPalo Alto Networks Inc COM | 0.85% | 0.21% | 0.21% |
Showing the top 250 of 277 shared holdings by overlap weight.
Frequently Asked Questions
How much do IGM and VTI overlap?
IGM and VTI overlap by 38.3% of portfolio weight. They share 277 holdings (IGM holds 288 positions and VTI holds 3505), based on each fund's latest SEC-reported holdings.
Is it redundant to own both IGM and VTI?
The two portfolios are 38.3% 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 IGM and VTI?
The largest positions held by both funds are NVDA, AAPL, MSFT, GOOGL and AVGO. Together the top 10 shared positions account for 72% of the total overlap.
What does IGM own that VTI doesn't?
11 positions (1.7% of IGM) are unique to IGM, led by SHOP, NXPI and CLS. In the other direction, 3228 positions (61.4% of VTI) are unique to VTI.