AVUV vs IBB: Holdings Overlap
AVUVAvantis U.S. Small Cap Value ETF
Avantis · 795 holdings · $30.2B · as of 2026-05-31
iShares · 254 holdings · $9.3B · as of 2026-03-31
Holdings snapshots are 61 days apart (AVUV: 2026-05-31, IBB: 2026-03-31). 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 AVUV and IBB?
Avantis U.S. Small Cap Value ETF (AVUV, by Avantis) holds 795 positions; iShares Biotechnology ETF (IBB, by iShares) holds 254. They have 9 holdings in common, and by portfolio weight the two funds are 0.7% identical. In practical terms the pair is essentially distinct, holding almost none of the same securities.
- Overlap by Weight
- 0.7%Sum of the smaller weight of each shared holding
- Shared Holdings
- 9AVUV holds 795 · IBB holds 254
- Weight in Shared Holdings
- AVUV 1%·IBB 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 AVUV
786 of 795 positions (99.0% of the fund) are not held by IBB. Showing the top 30 by weight.
Sector Breakdown
| Sector | AVUV | IBB |
|---|---|---|
| Health Care | 4.4% | 91.0% |
| 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% | 8.9% |
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, 9% of IBB).
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% |
| IBB | -0.3% | +17.3% | +51.0% | +16.4% | +3.1% | +7.4% | 0.21% |
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 IBB →
Shared Holdings(9)
The top 9 shared positions account for 100% of the overlap, led by ALKS, GLUE and RIGL.
 ALKSAlkermes PLC | 0.51% | 0.53% | 0.51% |
|---|---|---|---|
 GLUEMonte Rosa Therapeutics, Inc. | 0.12% | 0.07% | 0.07% |
 RIGLRigel Pharmaceuticals, Inc. | 0.07% | 0.04% | 0.04% |
 EBSEmergent BioSolutions, Inc. | 0.08% | 0.04% | 0.04% |
| Keros Therapeutics, Inc. | 0.00% | 0.03% | 0.00% |
| Black Diamond Therapeutics, Inc. | 0.00% | 0.01% | 0.00% |
| Cargo Therapeutics, Inc., CVR | 0.00% | 0.00% | 0.00% |
 2200964DOmniAb, Inc., 15.00 Earnout Shares | 0.00% | 0.00% | 0.00% |
 2200963DOmniAb, Inc., 12.50 Earnout Shares | 0.00% | 0.00% | 0.00% |
Frequently Asked Questions
How much do AVUV and IBB overlap?
AVUV and IBB overlap by 0.7% of portfolio weight. They share 9 holdings (AVUV holds 795 positions and IBB holds 254), based on each fund's latest SEC-reported holdings.
Is it redundant to own both AVUV and IBB?
The two portfolios are 0.7% 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 IBB?
The largest positions held by both funds are ALKS, GLUE, RIGL, EBS and Keros Therapeutics, Inc.. Together the top 9 shared positions account for 100% of the total overlap.
What does AVUV own that IBB doesn't?
786 positions (99.0% of AVUV) are unique to AVUV, led by VSAT, MATX and LEA. In the other direction, 245 positions (99.1% of IBB) are unique to IBB.