ProShares UltraShort Nasdaq Biotechnology (BIS)

NASDAQ: BISExchange-traded fund from ProShares.

  • Expense ratio0.96%
  • Net assets$1.9M
  • Dividend yield5.75%
  • 1-year return-48.12%
  • Holdings104

BIS ETF price chart

BIS quote & trading statistics

  • YTD-37.23%
  • 1 year-48.12%
  • 3 years-37.64%/yr
  • 5 years-19.38%/yr
  • 10 years-26.89%/yr
1Y volatility
31.82%
3Y volatility
32.15%
3Y Sharpe ratio
-1.25

Returns include reinvested distributions; 3-, 5- and 10-year figures are annualized.

BIS top 10 holdings

All holdings →
ProShares UltraShort Nasdaq Biotechnology largest holdings by weight
#SymbolNameWeight
1AMGNAmgen Inc8.23%
2VRTXVertex Pharmaceuticals Inc7.30%
3GILDGilead Sciences Inc7.06%
4BIIBBiogen Inc6.02%
5ILMNIllumina Inc5.82%
6REGNRegeneron Pharmaceuticals Inc4.00%
7ALXNAlexion Pharmaceuticals Inc3.14%
8SGENSeagen Inc2.19%
9INCYIncyte Corporation2.17%
10BMRNBiomarin Pharmaceutical Inc2.00%

The top 10 holdings make up 47.9% of the fund (104 holdings in total). As of October 25, 2026.

BIS asset allocation

Cash
65.7%
Other
34.3%

About ProShares UltraShort Nasdaq Biotechnology

The fund invests in financial instruments that ProShare Advisors believes, in combination, should produce daily returns consistent with the Daily Target. The index is designed to measure the performance of a set of Nasdaq-listed biotechnology and pharmaceutical companies. Under normal circumstances, the fund will obtain inverse leveraged exposure to at least 80% of its total assets in components of the index or in instruments with similar economic characteristics. The fund is non-diversified.

BIS ETF FAQ

What is the BIS expense ratio?

ProShares UltraShort Nasdaq Biotechnology has a net expense ratio of 0.96%, or $96.00 a year for every $10,000 invested.

How much money is in BIS?

ProShares UltraShort Nasdaq Biotechnology has about $1.9M in net assets.

What are the top holdings of BIS?

The largest positions in BIS are Amgen Inc (8.23%), Vertex Pharmaceuticals Inc (7.30%), Gilead Sciences Inc (7.06%). The fund holds 104 securities in total.

How has BIS performed?

BIS returned -48.12% over the past year and -19.38% a year over the past five years, including reinvested distributions.

Does BIS pay dividends?

BIS has a dividend yield of 5.75% and pays distributions quarterly.

When was BIS launched?

ProShares UltraShort Nasdaq Biotechnology began trading on April 6, 2010.

ETFs similar to BIS

Funds that track the same index or whose top-10 holdings overlap most with BIS's. Overlap: shared top-10 weight as a share of the larger top-10 total of the two funds.

ETFs with holdings most similar to BIS, compared by expense ratio, assets and 1-year return
SymbolFundOverlapExpense ratioNet assets1-year return
BISProShares UltraShort Nasdaq Biotechnology—0.96%$1.9M-48.12%
IBBQInvesco Nasdaq Biotechnology ETF68%0.18%$113.9M+38.28%
IBBiShares Biotechnology ETF63%0.46%$10.73B+33.96%
PBEInvesco Dynamic Biotechnology & Genome ETF61%0.56%$430.9M+37.84%
BIBProShares Ultra Nasdaq Biotechnology51%0.95%$94.8M+73.77%