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DAT · ProShares Big Data Refiners ETF

Equity fundTracks an index0.58% fee$5mSince Sep 30, 2021SEC filings ↗
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DAT tracks an index and returned +6.0% over the past year.

+6.0%
Total return, 1 year
0.58%
Expense ratio
25
Holdings
−0.5%
Below its high
WindowTotal returnS&P 500Gap to S&P 500Gap to Nasdaq-100
3M Jul 2 – Oct 2, 2026+17.9%+3.6%+14.4 pts+12.7 pts
6M Apr 2 – Oct 2, 2026+49.3%+17.9%+31.4 pts+20.9 pts
1Y Oct 2, 2025 – Oct 2, 2026+6.0%+16.2%−10.3 pts−18.3 pts
3Y Oct 3, 2023 – Oct 2, 2026+93.3%+89.3%+4.0 pts−21.5 pts
Since listing Sep 30, 2021 – Oct 2, 2026+27.8%+91.8%−64.0 pts−88.0 pts

DAT over each window to Oct 2, 2026. Every figure is an ETFIQ calculation. Source: ETFIQ.

DAT top ten by weight, 52.3% of its 25 equity positions, from the holdings published by its issuer for Oct 2, 2026. An index fund holds what the index holds, so this is the index. Source: the issuer’s own daily file.

ZEBRA TECHNOLOGIES CORP-CL A ZBRA 6.03%
ELASTIC NV ESTC 5.66%
FIVE9 INC FIVN 5.44%
SNOWFLAKE INC SNOW 5.32%
DYNATRACE INC DT 5.23%
PALANTIR TECHNOLOGIES INC-A PLTR 5.18%
NUTANIX INC - A NTNX 5.02%
STRATEGY INC MSTR 4.94%
INTERDIGITAL INC IDCC 4.79%
COMMVAULT SYSTEMS INC CVLT 4.71%
Holdings, the issuer’s own daily file ↗
Head to head
Funds near this one
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In plain words

DAT tracks an index. Over the year to Oct 2, 2026 it returned +6.0% with distributions reinvested, against +16.2% for the S&P 500 and +24.3% for the Nasdaq-100. The prospectus expense ratio is 0.58% a year. By its holdings published by its issuer for Oct 2, 2026, 20% of the fund by weight is stocks the S&P 500 also holds, across 25 positions, with the top ten at 52.3%.
What it tracksnot read by ETFIQ
Fund typeEquity fund
Category (ETFIQ)Stocks · Technology
Expense ratio (485BPOS XBRL, Sep 25, 2026)0.58%
Price$51.76
Listed sinceSep 30, 2021
Net assets (issuer page, as of Oct 2, 2026)$5m
Below its high (ETFIQ)−0.5%
Holdings25
Top ten weight52.3%
Holdings published for (the issuer’s daily file)Oct 2, 2026
Already in the S&P 500, by weight (ETFIQ)20.2%
Active share vs the S&P 500 (ETFIQ)99.4%
Already in the Nasdaq-100, by weight (ETFIQ)16.8%
ETFIQ links to the documents behind every figure. It is not affiliated with any issuer, and a link is not an endorsement.

Questions people ask about DAT

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.
Sources and dates
Prices, DAT and S&P 500Tiingo end-of-day · Oct 2, 2026
Fee, 0.58%Prospectus filing with the expense ratio (SEC) ↗
Net assets, $5mIssuer page · Oct 2, 2026
HoldingsHoldings, the issuer’s own daily file · Oct 2, 2026 ↗
All fund filingsFund filings on SEC EDGAR ↗
SourceProShares’s own site ↗

ETFIQ links to the documents behind every figure. It is not affiliated with any issuer, and a link is not an endorsement.

ETFIQ covers core, leveraged and inverse, buffer, thematic, option-income, alternatives and spot crypto ETFs. This fund is here because the other funds here are measured against it and portfolios hold it. ETFIQ is an independent publisher and makes no recommendations. Standards and sources

How these figures are computed →Standards and sources →Open data →
Cite this page

ETFIQ, DAT, core fund, data as of Oct 2, 2026. https://etfiq.com/funds/dat

Free to use with attribution; the underlying files are at Open data.

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