AVUV vs XBI: Holdings Overlap
AVUVAvantis U.S. Small Cap Value ETF
Avantis · 795 holdings · $30.2B · 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 (AVUV: 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 AVUV and XBI?
Avantis U.S. Small Cap Value ETF (AVUV, by Avantis) holds 795 positions; State Street® SPDR® S&P® Biotech ETF (XBI, by State Street (SPDR)) holds 149. They have 7 holdings in common, and by portfolio weight the two funds are 0.8% identical. In practical terms the pair is essentially distinct, holding almost none of the same securities.
- Overlap by Weight
- 0.8%Sum of the smaller weight of each shared holding
- Shared Holdings
- 7AVUV holds 795 · XBI holds 149
- Weight in Shared Holdings
- AVUV 1%·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 AVUV
788 of 795 positions (99.0% of the fund) are not held by XBI. Showing the top 30 by weight.
Only in XBI
142 of 149 positions (98.2% of the fund) are not held by AVUV. Showing the top 30 by weight.
Sector Breakdown
| Sector | AVUV | XBI |
|---|---|---|
| Health Care | 4.4% | 95.5% |
| Financials | 24.6% | 0.0% |
| Consumer Discretionary | 17.5% | 0.0% |
| Energy | 15.0% | 0.0% |
| Industrials | 14.3% | 0.0% |
| Other Sectors | 19.6% | 0.0% |
| Unclassified | 4.3% | 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 (4% of AVUV, 5% of XBI).
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| AVUV | +3.0% | +25.2% | +39.5% | +16.7% | +13.2% | — | 1.23% |
| 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 AVUV vs XBI →
Shared Holdings(7)
The top 7 shared positions account for 100% of the overlap, led by ALKS, GLUE and EBS.
 ALKSAlkermes PLC COM USD0.01 | 0.51% | 1.07% | 0.51% |
|---|---|---|---|
 GLUEMonte Rosa Therapeutics Inc COM | 0.12% | 0.32% | 0.12% |
 EBSEmergent Biosolutions Inc COM | 0.08% | 0.09% | 0.08% |
 RIGLRigel Pharmaceuticals Inc. COM | 0.07% | 0.25% | 0.07% |
 MDXGMiMedx Group Inc. COM | 0.00% | 0.12% | 0.00% |
 2200963DOmniAb Inc. USD0.0001 A (USD12.5 VESTING) | 0.00% | 0.00% | 0.00% |
 2200964DOmniAb Inc. USD0.0001 A (USD15 VESTING) | 0.00% | 0.00% | 0.00% |
Frequently Asked Questions
How much do AVUV and XBI overlap?
AVUV and XBI overlap by 0.8% of portfolio weight. They share 7 holdings (AVUV holds 795 positions and XBI holds 149), based on each fund's latest SEC-reported holdings.
Is it redundant to own both AVUV and XBI?
The two portfolios are 0.8% identical by weight. Owning both is genuine diversification: the funds hold almost none of the same securities.
What are the biggest shared holdings of AVUV and XBI?
The largest positions held by both funds are ALKS, GLUE, EBS, RIGL and MDXG. Together the top 7 shared positions account for 100% of the total overlap.
What does AVUV own that XBI doesn't?
788 positions (99.0% of AVUV) are unique to AVUV, led by VSAT, MATX and LEA. In the other direction, 142 positions (98.2% of XBI) are unique to XBI.