IHI vs VTI: Holdings Overlap
IHIiShares U.S. Medical Devices ETF
iShares · 47 holdings · $3.4B · as of 2026-03-31
VTIVanguard Total Stock Market Index Fund
Vanguard · 3505 holdings · $696.4B · as of 2026-03-31
How similar are IHI and VTI?
iShares U.S. Medical Devices ETF (IHI, by iShares) holds 47 positions; Vanguard Total Stock Market Index Fund (VTI, by Vanguard) holds 3505. They have 46 holdings in common, and by portfolio weight the two funds are 1.7% identical. In practical terms the pair is essentially distinct, holding almost none of the same securities.
- Overlap by Weight
- 1.7%Sum of the smaller weight of each shared holding
- Shared Holdings
- 46IHI holds 47 · VTI holds 3505
- Weight in Shared Holdings
- IHI 99%·VTI 2%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 IHI
1 of 47 positions (0.5% of the fund) are not held by VTI.
LIVNLivaNova PLC ORD GBP1.00 (DI)0.47%
Sector Breakdown
| Sector | IHI | VTI |
|---|---|---|
| Health Care | 99.8% | 10.0% |
| Information Technology | 0.0% | 30.5% |
| Financials | 0.0% | 12.7% |
| Industrials | 0.0% | 10.4% |
| Consumer Discretionary | 0.0% | 9.8% |
| Other Sectors | 0.0% | 26.0% |
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.
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| IHI | +4.1% | -12.3% | -9.9% | +0.5% | -2.6% | +8.9% | 0.45% |
| 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 IHI vs VTI →
Shared Holdings(46)
The top 10 shared positions account for 83% of the overlap, led by ABT, ISRG and SYK.
 ABTAbbott Laboratories COM | 16.98% | 0.28% | 0.28% |
|---|---|---|---|
 ISRGIntuitive Surgical Inc. COM NEW | 15.57% | 0.26% | 0.26% |
 SYKStryker Corporation COM | 10.76% | 0.18% | 0.18% |
 MDTMedtronic PLC USD0.0001 | 4.62% | 0.18% | 0.18% |
 BSXBoston Scientific Corporation COM | 4.28% | 0.15% | 0.15% |
 EWEdwards Lifesciences Corporation COM | 4.47% | 0.07% | 0.07% |
 BDXBecton, Dickinson and Company COM | 4.57% | 0.07% | 0.07% |
 IDXXIDEXX Laboratories Inc. COM | 4.44% | 0.07% | 0.07% |
 RMDResMed Inc. COM | 4.43% | 0.05% | 0.05% |
 GEHCGE Healthcare Technologies Inc. COMMON STOCK | 4.40% | 0.05% | 0.05% |
 DXCMDexCom Inc COM | 3.28% | 0.04% | 0.04% |
 STESteris PLC ORD USD0.001 | 2.94% | 0.03% | 0.03% |
 ZBHZimmer Biomet Holdings Inc COM | 2.43% | 0.03% | 0.03% |
 HOLXHologic Inc COM | 2.28% | 0.03% | 0.03% |
 PODDInsulet Corporation COM | 2.00% | 0.02% | 0.02% |
 PENPenumbra Inc. COM | 1.75% | 0.02% | 0.02% |
 GMEDGlobus Medical, Inc., Class A | 1.30% | 0.02% | 0.02% |
 BAXBaxter International, Inc. COM | 1.17% | 0.01% | 0.01% |
| Masimo Corporation COM | 1.10% | 0.01% | 0.01% |
 GKOSGlaukos Corp. COM | 0.84% | 0.01% | 0.01% |
 TFXTeleflex Incorporated COM | 0.72% | 0.01% | 0.01% |
 NVSTEnvista Holdings Corporation COM | 0.56% | 0.01% | 0.01% |
 IRTCiRhythm Holdings Inc. COM | 0.52% | 0.01% | 0.01% |
 TMDXTransMedics Group Inc. COM | 0.46% | 0.01% | 0.01% |
 ITGRInteger Holdings Corp. COM | 0.42% | 0.00% | 0.00% |
Frequently Asked Questions
How much do IHI and VTI overlap?
IHI and VTI overlap by 1.7% of portfolio weight. They share 46 holdings (IHI holds 47 positions and VTI holds 3505), based on each fund's latest SEC-reported holdings.
Is it redundant to own both IHI and VTI?
The two portfolios are 1.7% identical by weight. Owning both is genuine diversification: the funds hold almost none of the same securities.
What are the biggest shared holdings of IHI and VTI?
The largest positions held by both funds are ABT, ISRG, SYK, MDT and BSX. Together the top 10 shared positions account for 83% of the total overlap.
What does IHI own that VTI doesn't?
1 positions (0.5% of IHI) are unique to IHI, led by LIVN. In the other direction, 3459 positions (98.0% of VTI) are unique to VTI.