Data as of Oct 28, 2026.
IBB vs PULS: Differences, Returns & Fees
Over the year to Oct 28, 2026, IBB returned +37.5% to PULS's +4.0%, and PULS charges 0.15% to IBB's 0.44%.
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Net assets on Oct 27, 2026: $11.0bn for iShares Biotechnology ETF and $19.8bn for PGIM Ultra Short Bond ETF.
Pair scorecard
PULS costs 0.29 points a year less; their one-year returns differ by 33.5 points; PULS is 1.8 times larger.
| Measure | IBB | PULS |
|---|---|---|
| Return | ||
| Total return, 1 year | +37.5% | +4.0% |
| Benchmark | ||
| What it tracks | Biotech | No index, actively managed |
| Cost and size | ||
| Expense ratio | 0.44% | 0.15% |
| Net assets, as of Oct 27, 2026 | $11.0bn | $19.8bn |
| Active share vs the S&P 500 | 99% | |
| Holdings | ||
| Holdings in common | 0% | |
| In the S&P 500, by weight | 40% | |
| Top ten holdings, share of the fund | 50% | |
Holdings in common uses holdings dated May 29, 2026 and Oct 27, 2026. Method
What they share
By the books each fund has filed, IBB and PULS hold 0% of their money in the same securities at the same weight. Holdings dated May 29, 2026 and Oct 27, 2026.
half
0% in common
Only in one fund ↓
Side by side
IBB and PULS on the fields both publish, as of Oct 28, 2026. Source: ETFIQ.
IBB
By weight, 40% of IBB's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 99%. The top ten holdings are 50% of the fund across 245 positions, as published by its issuer for Oct 27, 2026. Over the year to Oct 28, 2026 the fund returned +37.5% with distributions reinvested.
PULS
PULS is actively managed and tracks no index. Over the year to Oct 28, 2026 it returned +4.0% with distributions reinvested. The prospectus expense ratio is 0.15% a year.
Questions people ask
- Are IBB and PULS in the same category?
- IBB is a thematic ETF and PULS is a bond ETF, so they do different jobs. The table compares what both publish: return, cost and holdings.
- Which returned more over the last year, IBB or PULS?
- In the year to Oct 28, 2026, with distributions reinvested, IBB returned +37.5% and PULS +4.0%.
- Which is cheaper, IBB or PULS?
- PULS is cheaper, by 0.29 percentage points a year. That is about $29 on $10,000 held for a year. Fees come from each fund's prospectus.
Links are sources, not endorsements. A comparison is not a recommendation.
How this is computed
Overlap adds up the smaller of the two weights for each security both funds hold.
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ETFIQ, IBB against PULS, data as of Oct 28, 2026. https://etfiq.com/compare/any/ibb-vs-puls
ETFIQ. (Oct 28, 2026). IBB against PULS. Retrieved from https://etfiq.com/compare/any/ibb-vs-puls
[IBB against PULS (ETFIQ, Oct 28, 2026)](https://etfiq.com/compare/any/ibb-vs-puls)
Free to use with attribution for data ETFIQ computes; issuer data stays under its owner's terms.