SCHA vs XBI: Holdings Overlap
Schwab · 1705 holdings · $23.3B · as of 2026-05-31
XBIState Street® SPDR® S&P® Biotech ETF
State Street (SPDR) · 149 holdings · $10.0B · as of 2026-08-06
Holdings snapshots are 67 days apart (SCHA: 2026-05-31, 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 SCHA and XBI?
Schwab U.S. Small-Cap ETF (SCHA, by Schwab) holds 1705 positions; State Street® SPDR® S&P® Biotech ETF (XBI, by State Street (SPDR)) holds 149. They have 109 holdings in common, and by portfolio weight the two funds are 6.6% identical. In practical terms the pair is lightly overlapping, with most of each portfolio distinct.
- Overlap by Weight
- 6.6%Sum of the smaller weight of each shared holding
- Shared Holdings
- 109SCHA holds 1705 · XBI holds 149
- Weight in Shared Holdings
- SCHA 7%·XBI 76%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 SCHA
1596 of 1705 positions (93.2% of the fund) are not held by XBI. Showing the top 30 by weight.
Sector Breakdown
| Sector | SCHA | XBI |
|---|---|---|
| Health Care | 13.4% | 95.5% |
| Information Technology | 22.1% | 0.0% |
| Industrials | 17.7% | 0.0% |
| Financials | 15.1% | 0.0% |
| Consumer Discretionary | 9.3% | 0.0% |
| Other Sectors | 21.4% | 0.0% |
| Unclassified | 0.8% | 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 SCHA, 5% of XBI).
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| SCHA | +1.0% | +22.8% | +36.7% | +17.1% | +7.9% | +10.8% | 1.02% |
| 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 SCHA vs XBI →
Shared Holdings(109)
The top 10 shared positions account for 37% of the overlap, led by RVMD, IONS and BBIO.
 RVMDRevolution Medicines Inc COM | 0.65% | 1.33% | 0.65% |
|---|---|---|---|
 IONSIonis Pharmaceuticals, Inc. COM | 0.26% | 0.72% | 0.26% |
 BBIOBridgebio Pharma Inc COM | 0.24% | 1.19% | 0.24% |
 ARWRArrowhead Pharmaceuticals Inc COM | 0.23% | 1.17% | 0.23% |
 CYTKCytokinetics Incorporated | 0.21% | 1.17% | 0.21% |
 MDGLMadrigal Pharmaceuticals Inc COM | 0.20% | 1.05% | 0.20% |
 PRAXPraxis Precision Medicines Inc COM NEW | 0.19% | 1.49% | 0.19% |
 KRYSKrystal Biotech Inc COM | 0.17% | 1.00% | 0.17% |
 HALOHalozyme Therapeutics Inc COM | 0.17% | 1.18% | 0.17% |
 ALKSAlkermes PLC COM USD0.01 | 0.15% | 1.07% | 0.15% |
 PCVXVaxcyte Inc COM | 0.14% | 1.25% | 0.14% |
 PTCTPTC Therapeutics, Inc. COM | 0.13% | 0.93% | 0.13% |
 PTGXProtagonist Therapeutics Inc COM | 0.12% | 1.34% | 0.12% |
 SYRESpyre Therapeutics Inc COM NEW | 0.12% | 1.33% | 0.12% |
 1CGCRISPR Therapeutics AG COM CHF0.03 | 0.11% | 1.01% | 0.11% |
 COGTCogent Biosciences Inc. COM | 0.11% | 1.29% | 0.11% |
 RYTMRhythm Pharmaceuticals Inc COM | 0.11% | 1.26% | 0.11% |
 TGTXTG Therapeutics Inc COM | 0.11% | 1.03% | 0.11% |
 KYMRKymera Therapeutics Inc COM | 0.11% | 1.31% | 0.11% |
 MIRMMirum Pharmaceuticals Inc. COM | 0.10% | 0.97% | 0.10% |
 CELCCelcuity Inc. COM | 0.10% | 1.02% | 0.10% |
 APGEApogee Therapeutics Inc. COM | 0.09% | 1.57% | 0.09% |
 CGONCG Oncology Inc. COM | 0.09% | 1.32% | 0.09% |
 TVTXTravere Therapeutics Inc COM | 0.09% | 1.29% | 0.09% |
 SRRKScholar Rock Holding Corp. COM | 0.09% | 1.15% | 0.09% |
Frequently Asked Questions
How much do SCHA and XBI overlap?
SCHA and XBI overlap by 6.6% of portfolio weight. They share 109 holdings (SCHA holds 1705 positions and XBI holds 149), based on each fund's latest SEC-reported holdings.
Is it redundant to own both SCHA and XBI?
The two portfolios are 6.6% identical by weight. Owning both is not redundant. Most of each portfolio is distinct, so the funds can serve different roles.
What are the biggest shared holdings of SCHA and XBI?
The largest positions held by both funds are RVMD, IONS, BBIO, ARWR and CYTK. Together the top 10 shared positions account for 37% of the total overlap.
What does SCHA own that XBI doesn't?
1596 positions (93.2% of SCHA) are unique to SCHA, led by SNDK, LITE and STRL. In the other direction, 40 positions (24.5% of XBI) are unique to XBI.