IHI vs VB: Holdings Overlap
IHIiShares U.S. Medical Devices ETF
iShares · 47 holdings · $3.4B · as of 2026-03-31
VBVanguard Small-cap Index Fund
Vanguard · 1312 holdings · $82.5B · as of 2026-03-31
How similar are IHI and VB?
iShares U.S. Medical Devices ETF (IHI, by iShares) holds 47 positions; Vanguard Small-cap Index Fund (VB, by Vanguard) holds 1312. They have 22 holdings in common, and by portfolio weight the two funds are 1.4% identical. In practical terms the pair is essentially distinct, holding almost none of the same securities.
- Overlap by Weight
- 1.4%Sum of the smaller weight of each shared holding
- Shared Holdings
- 22IHI holds 47 · VB holds 1312
- Weight in Shared Holdings
- IHI 15%·VB 1%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
25 of 47 positions (85.1% of the fund) are not held by VB.
Sector Breakdown
| Sector | IHI | VB |
|---|---|---|
| Health Care | 99.8% | 11.6% |
| Industrials | 0.0% | 21.2% |
| Information Technology | 0.0% | 13.8% |
| Financials | 0.0% | 13.4% |
| Consumer Discretionary | 0.0% | 10.5% |
| Other Sectors | 0.0% | 28.5% |
| Unclassified | 0.1% | 0.7% |
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 (0% of IHI, 1% of VB).
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% |
| VB | +2.5% | +19.5% | +29.1% | +15.9% | +8.1% | +11.3% | 1.18% |
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 VB →
Shared Holdings(22)
The top 10 shared positions account for 82% of the overlap, led by HOLX, PEN and GMED.
 HOLXHologic Inc COM | 2.28% | 0.24% | 0.24% |
|---|---|---|---|
 PENPenumbra Inc. COM | 1.75% | 0.17% | 0.17% |
 GMEDGlobus Medical, Inc., Class A | 1.30% | 0.14% | 0.14% |
 BAXBaxter International, Inc. COM | 1.17% | 0.12% | 0.12% |
| Masimo Corporation COM | 1.10% | 0.11% | 0.11% |
 PODDInsulet Corporation COM | 2.00% | 0.10% | 0.10% |
 GKOSGlaukos Corp. COM | 0.84% | 0.08% | 0.08% |
 TFXTeleflex Incorporated COM | 0.72% | 0.07% | 0.07% |
 NVSTEnvista Holdings Corporation COM | 0.56% | 0.06% | 0.06% |
 IRTCiRhythm Holdings Inc. COM | 0.52% | 0.05% | 0.05% |
 TMDXTransMedics Group Inc. COM | 0.46% | 0.05% | 0.05% |
 ITGRInteger Holdings Corp. COM | 0.42% | 0.04% | 0.04% |
 INSPInspire Medical Systems Inc COM | 0.18% | 0.02% | 0.02% |
 OMCLOmnicell Inc COM | 0.20% | 0.02% | 0.02% |
 ATRCAtricure Inc COM | 0.19% | 0.02% | 0.02% |
 PRCTProcept Biorobotics Corp. COM | 0.19% | 0.02% | 0.02% |
 ENOVEnovis Corporation COM | 0.18% | 0.02% | 0.02% |
 TNDMTandem Diabetes Care Inc COM NEW | 0.18% | 0.02% | 0.02% |
 NVCRNovocure Ltd COM USD0.00 | 0.15% | 0.02% | 0.02% |
 QDELQuidelOrtho Corp COM | 0.15% | 0.02% | 0.02% |
 CNMDConmed Corporation COM | 0.15% | 0.02% | 0.02% |
 IARTIntegra LifeSciences Holdings Corporation COM NEW | 0.09% | 0.01% | 0.01% |
Frequently Asked Questions
How much do IHI and VB overlap?
IHI and VB overlap by 1.4% of portfolio weight. They share 22 holdings (IHI holds 47 positions and VB holds 1312), based on each fund's latest SEC-reported holdings.
Is it redundant to own both IHI and VB?
The two portfolios are 1.4% 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 VB?
The largest positions held by both funds are HOLX, PEN, GMED, BAX and Masimo Corporation COM. Together the top 10 shared positions account for 82% of the total overlap.
What does IHI own that VB doesn't?
25 positions (85.1% of IHI) are unique to IHI, led by ABT, ISRG and SYK. In the other direction, 1290 positions (98.3% of VB) are unique to VB.