FBT vs IBB: holdings overlap, shared companies and scores
As of October 28, 2026, FBT and IBB overlap 43.9% by weight. First Trust NYSE Arca Biotechnology Index Fund (FBT): U.S. biotech stocks. iShares Biotechnology ETF (IBB): U.S. biotechnology stocks.
Updated October 28, 2026
Where FBT and IBB trade against their own history
FBT trades at 31.9 times earnings, against its own median of 21.1, and is more expensive than 94% of its own last 6 years.
IBB trades at 28.9 times earnings, against its own median of 21.6, and is more expensive than 88% of its own last 7 years.
What moved FBT and IBB this week
FBT rose 2.6% in the week to October 28, 2026. The holdings that moved it most were Genmab A/S (+44.8%), Veracyte (+8.8%) and TG Therapeutics (+7.9%); Corcept Therapeutics (−25.8%) pushed the other way.
IBB rose 2.3% in the week to October 28, 2026. The holdings that moved it most were Genmab A/S (+44.8%), Gilead Sciences (+3.7%) and Amgen (+3.1%); Moderna (−12.9%) pushed the other way.
What do FBT and IBB each hold?
36% of FBT is its ten largest holdings.
What's inside IBB: AI 1%.
51% of IBB is its ten largest holdings.
How much do FBT and IBB overlap? 43.9% by weight
As of October 28, 2026, FBT and IBB overlap 43.9% by weight.
91% of FBT is already inside IBB.
61% of IBB is already inside FBT.
FBT holds 30 companies and IBB holds 240; 27 are in both.
Computed by ETF Copilot from both funds' holdings rather than quoted from a data provider, and rebuilt nightly.
How does ETF Copilot score FBT and IBB? 5.4 and 4.3 out of 10
As of October 28, 2026, ETF Copilot scores FBT 5.4 out of 10 and IBB 4.3 out of 10.
They differ most on Return: FBT 7.6 and IBB 5.0.
The five factor scores behind them are set out below, 0–10 and higher is better, ranked against every US equity ETF we track.
| Factor | FBT | IBB |
|---|---|---|
| Growth | 9.8 | 9.5 |
| Value | 0.2 | 0.2 |
| Risk | 4.1 | 2.8 |
| Quality | 2.0 | 0.9 |
| Return | 7.6 | 5.0 |
IBB is the cheaper of the two at 0.44% a year
As of October 28, 2026, FBT charges 0.55% a year and holds $3.0B in assets across 30 positions.
As of October 28, 2026, IBB charges 0.44% a year, yields 0.14% and holds $11.0B in assets across 240 positions.
| Measure | FBT | IBB |
|---|---|---|
| Expense ratio | 0.55% | 0.44% |
| Dividend yield | — | 0.14% |
| Assets under management | $3.0B | $11.0B |
| Holdings | 30 | 240 |
Expense ratio, dividend yield and assets under management are reported by the fund and refreshed daily. Every other figure on this page is computed by ETF Copilot.
Compare with similar funds
Cite this
ETF Copilot, “FBT vs IBB holdings overlap and scores”, as of October 28, 2026.
https://etf-copilot.com/compare/fbt-vs-ibb
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