# DAT (ProShares Big Data Refiners ETF)

ProShares · Stock ETFs · Technology · data as of Oct 2, 2026

DAT tracks an index and returned +6.0% over the past year.

## Key facts

- DAT, total return, 1 year: +6.0%, as of Oct 2, 2026.
- DAT, expense ratio: 0.58%, as of Oct 2, 2026.
- DAT, holdings: 25, as of Oct 2, 2026.
- DAT, below its high: −0.5%, as of Oct 2, 2026.
- DAT, net assets: $5m (issuer page, as of Oct 2, 2026).

## DAT over each window to Oct 2, 2026

| Window | Total return | S&P 500 | Gap to S&P 500 | Gap to Nasdaq-100 |
| --- | --- | --- | --- | --- |
| 3 months | +17.9% | +3.6% | +14.4 pts | +12.7 pts |
| 6 months | +49.3% | +17.9% | +31.4 pts | +20.9 pts |
| 1 year | +6.0% | +16.2% | −10.3 pts | −18.3 pts |
| 3 years | +93.3% | +89.3% | +4.0 pts | −21.5 pts |
| Since listing | +27.8% | +91.8% | −64.0 pts | −88.0 pts |

## Every published field

| Field | Value | Source |
| --- | --- | --- |
| What it tracks | not read by ETFIQ | ETFIQ |
| Fund type | Equity fund | ETFIQ |
| Category | Stocks · Technology | ETFIQ |
| Expense ratio | 0.58% | 485BPOS XBRL, Sep 25, 2026 |
| Price | $51.76 | ETFIQ |
| Listed since | Sep 30, 2021 | ETFIQ |
| Net assets | $5m | issuer page, as of Oct 2, 2026 |
| Below its high | −0.5% | ETFIQ |
| Holdings | 25 | ETFIQ |
| Top ten weight | 52.3% | ETFIQ |
| Holdings published for | Oct 2, 2026 | the issuer’s daily file |
| Already in the S&P 500, by weight | 20.2% | ETFIQ |
| Active share vs the S&P 500 | 99.4% | ETFIQ |
| Already in the Nasdaq-100, by weight | 16.8% | ETFIQ |

## Questions

### How has DAT performed?

Over the year to Oct 2, 2026, DAT returned +6.0% with distributions reinvested, against +16.2% for the S&P 500. Over three years the figure is +93.3%.

### What does DAT cost?

The prospectus expense ratio is 0.58% a year.

### What does DAT hold?

25 positions as published by its issuer for Oct 2, 2026, with the top ten at 52.3% of the fund. 20% of its weight is in stocks the S&P 500 also holds.

### How far is DAT below its high?

0.5% below its high of Sep 23, 2026, measured on the reinvested series to Oct 2, 2026.


## Cite this page

ETFIQ, DAT, data as of Oct 2, 2026. https://etfiq.com/funds/dat
Free to use with attribution; the underlying files are at https://etfiq.com/data/.

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