ETF comparison
IBB vs IXJ
Both Healthcare.
Holdings overlap
9 positions appear in both funds. Buying equal dollars of IBB and IXJ would leave roughly 8.4% of each dollar exposed to the same underlying securities.
Side by side
Sub-score comparison
Tracking quality isn't part of the composite — see what we don't score for why.
Cost difference
IXJ is 4 bps cheaper than IBB. On a $100,000 position that's about $40/yr more in fees for IBB.
Fee figure is the annual expense charged on $100,000. To see how the gap compounds over a multi-decade holding period, open the cost calculator pre-filled with IBB vs IXJ.
Top shared holdings
9 shared in total| # | Holding | In IBB | In IXJ | Overlap |
|---|---|---|---|---|
| 1 | Amgen, Inc. | 7.51% | 2.51% | 2.51% |
| 2 | Gilead Sciences, Inc. | 7.75% | 2.29% | 2.29% |
| 3 | Vertex Pharmaceuticals, Inc. | 7.44% | 1.50% | 1.50% |
| 4 | Regeneron Pharmaceuticals, Inc. | 7.21% | 1.03% | 1.03% |
| 5 | Biogen, Inc. | 2.46% | 0.36% | 0.36% |
| 6 | Moderna, Inc. | 1.68% | 0.23% | 0.23% |
| 7 | Incyte Corp. | 1.70% | 0.21% | 0.21% |
| 8 | Charles River Laboratories International, Inc. | 0.77% | 0.12% | 0.12% |
| 9 | Bio-Techne Corp. | 0.74% | 0.11% | 0.11% |
Only in IBB
247 total- BlackRock Funds III 9.66%
- Alnylam Pharmaceuticals, Inc. 3.99%
- Insmed, Inc. 3.20%
- Argenx SE 3.07%
- Natera, Inc. 2.41%
- United Therapeutics Corp. 2.30%
- BeOne Medicines Ltd. 1.93%
- Illumina, Inc. 1.68%
- Revolution Medicines, Inc. 1.54%
- Roivant Sciences Ltd. 1.24%
Only in IXJ
104 total- ELI LILLY AND COMPANY 9.44%
- JOHNSON & JOHNSON 7.63%
- ABBVIE INC. 4.98%
- ASTRAZENECA PLC 4.02%
- MERCK & CO., INC. 3.96%
- Novartis AG 3.87%
- Roche Holding AG 3.72%
- UNITEDHEALTH GROUP INCORPORATED 3.25%
- THERMO FISHER SCIENTIFIC INCORPORATED 2.45%
- ABBOTT LABORATORIES 2.37%
Open IBB or IXJ at a brokerage
Both funds trade commission-free at major US brokerages.
Affiliate links — opening an account through these earns PlainIndex a one-time referral. Scoring is computed before any affiliate consideration; see our methodology and funding disclosure.
Holdings overlap is the sum of min(weight_a, weight_b) over positions
matched on ISIN (CUSIP fallback). Methodology: see
/methodology/.
Comparing two funds doesn't endorse swapping one for the other. Tax-lot history, account type, and personal goals matter — PlainIndex publishes data and methodology, not investment advice.