IJS vs XBI: Holdings Overlap
IJSiShares S&P Small-Cap 600 Value ETF
iShares · 458 holdings · $8.4B · as of 2026-03-31
XBIState Street® SPDR® S&P® Biotech ETF
State Street (SPDR) · 149 holdings · $10.0B · as of 2026-08-06
Holdings snapshots are 128 days apart (IJS: 2026-03-31, XBI: 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 IJS and XBI?
iShares S&P Small-Cap 600 Value ETF (IJS, by iShares) holds 458 positions; State Street® SPDR® S&P® Biotech ETF (XBI, by State Street (SPDR)) holds 149. They have 4 holdings in common, and by portfolio weight the two funds are 0.4% identical. In practical terms the pair is essentially distinct, holding almost none of the same securities.
- Overlap by Weight
- 0.4%Sum of the smaller weight of each shared holding
- Shared Holdings
- 4IJS holds 458 · XBI holds 149
- Weight in Shared Holdings
- IJS 0%·XBI 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 IJS
454 of 458 positions (98.2% of the fund) are not held by XBI. Showing the top 30 by weight.
Only in XBI
145 of 149 positions (97.8% of the fund) are not held by IJS. Showing the top 30 by weight.
Sector Breakdown
| Sector | IJS | XBI |
|---|---|---|
| Health Care | 7.2% | 95.5% |
| Financials | 20.6% | 0.0% |
| Consumer Discretionary | 15.4% | 0.0% |
| Industrials | 12.4% | 0.0% |
| Information Technology | 9.8% | 0.0% |
| Other Sectors | 32.1% | 0.0% |
| Unclassified | 0.9% | 4.6% |
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 (1% of IJS, 5% of XBI).
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| IJS | +3.6% | +23.1% | +39.5% | +13.6% | +8.2% | +10.2% | 1.29% |
| XBI | -4.0% | +29.2% | +85.3% | +26.3% | +4.5% | +9.5% | 0.36% |
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 IJS vs XBI →
Shared Holdings(4)
The top 4 shared positions account for 100% of the overlap, led by SRPT, XNCR and RCUS.
Frequently Asked Questions
How much do IJS and XBI overlap?
IJS and XBI overlap by 0.4% of portfolio weight. They share 4 holdings (IJS holds 458 positions and XBI holds 149), based on each fund's latest SEC-reported holdings.
Is it redundant to own both IJS and XBI?
The two portfolios are 0.4% identical by weight. Owning both is genuine diversification: the funds hold almost none of the same securities.
What are the biggest shared holdings of IJS and XBI?
The largest positions held by both funds are SRPT, XNCR, RCUS and VIR. Together the top 4 shared positions account for 100% of the total overlap.
What does IJS own that XBI doesn't?
454 positions (98.2% of IJS) are unique to IJS, led by EMN, LKQ and MTCH. In the other direction, 145 positions (97.8% of XBI) are unique to XBI.