IBB vs MCHI: Holdings Overlap
iShares · 254 holdings · $9.3B · as of 2026-03-31
iShares · 580 holdings · $6.3B · as of 2026-05-31
Holdings snapshots are 61 days apart (IBB: 2026-03-31, MCHI: 2026-05-31). 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 IBB and MCHI?
iShares Biotechnology ETF (IBB, by iShares) holds 254 positions; iShares MSCI China ETF (MCHI, by iShares) holds 580. They have 1 holdings in common, and by portfolio weight the two funds are 0.1% identical. In practical terms the pair is essentially distinct, holding almost none of the same securities.
- Overlap by Weight
- 0.1%Sum of the smaller weight of each shared holding
- Shared Holdings
- 1IBB holds 254 · MCHI holds 580
- Weight in Shared Holdings
- IBB 0%·MCHI 0%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 IBB
253 of 254 positions (99.6% of the fund) are not held by MCHI. Showing the top 30 by weight.
Only in MCHI
579 of 580 positions (99.5% of the fund) are not held by IBB. Showing the top 30 by weight.
Sector Breakdown
| Sector | IBB | MCHI |
|---|---|---|
| Health Care | 91.0% | 0.9% |
| Consumer Discretionary | 0.0% | 21.1% |
| Communication Services | 0.0% | 17.2% |
| Financials | 0.0% | 14.8% |
| Information Technology | 0.0% | 7.8% |
| Other Sectors | 0.0% | 9.2% |
| Unclassified | 8.9% | 28.5% |
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 (9% of IBB, 29% of MCHI).
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| IBB | -0.3% | +17.3% | +51.0% | +16.4% | +3.1% | +7.4% | 0.21% |
| MCHI | +9.3% | -5.2% | -1.0% | +8.7% | -2.2% | +4.3% | 1.94% |
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 IBB vs MCHI →
Shared Holdings(1)
 LEGNLegend Biotech Corp. | 0.22% | 0.07% | 0.07% |
|---|
Frequently Asked Questions
How much do IBB and MCHI overlap?
IBB and MCHI overlap by 0.1% of portfolio weight. They share 1 holdings (IBB holds 254 positions and MCHI holds 580), based on each fund's latest SEC-reported holdings.
Is it redundant to own both IBB and MCHI?
The two portfolios are 0.1% identical by weight. Owning both is genuine diversification: the funds hold almost none of the same securities.
What are the biggest shared holdings of IBB and MCHI?
The largest positions held by both funds are LEGN. Together the top 1 shared positions account for 100% of the total overlap.
What does IBB own that MCHI doesn't?
253 positions (99.6% of IBB) are unique to IBB, led by GILD, AMGN and VRTX. In the other direction, 579 positions (99.5% of MCHI) are unique to MCHI.