ETF comparison
ARKQ vs PHO
Both Thematic.
ARK Autonomous Technology & Robotics ETF · Invesco Water Resources ETF
Holdings overlap
1 positions appear in both funds. Buying equal dollars of ARKQ and PHO would leave roughly 2.1% of each dollar exposed to the same underlying securities.
Unmatched is the part of a fund's weight the other fund doesn't match: names only it holds, plus any extra weight it puts in names both funds hold.
Side by side
Sub-score comparison
Tracking quality isn't part of the composite — see what we don't score for why.
Cost difference
PHO is 16 bps cheaper than ARKQ. On a $100,000 position that's about $160/yr more in fees for ARKQ.
Fee figure is the annual expense charged on $100,000. To see how the gap compounds over a multi-decade holding period, open the cost calculator pre-filled with ARKQ vs PHO.
Top shared holdings
1 shared in total| # | Holding | In ARKQ | In PHO | Overlap |
|---|---|---|---|---|
| 1 | TRIMBLE INC | 2.10% | 2.89% | 2.10% |
Only in ARKQ
39 total- TESLA INC 9.75%
- TERADYNE INC 6.64%
- ADVANCED MICRO DEVICES INC 6.16%
- SPACE EXPLORATION TECHNOLOGIES CORP 5.90%
- KRATOS DEFENSE & SECURITY SOLUTIONS INC 5.81%
- ALPHABET INC 5.15%
- AMAZON.COM INC 3.79%
- PALANTIR TECHNOLOGIES INC 3.78%
- TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD 3.61%
- ROCKET LAB CORP 3.36%
Only in PHO
40 total- Roper Technologies, Inc. 9.12%
- Ecolab Inc. 8.21%
- Ferguson Enterprises Inc. 6.89%
- Waters Corp. 6.74%
- IDEXX Laboratories, Inc. 6.47%
- Veralto Corp. 4.34%
- American Water Works Co., Inc. 4.12%
- Xylem Inc. 4.04%
- Agilent Technologies, Inc. 3.87%
- IDEX Corp. 3.67%
Related comparisons
More comparisons with ARKQ
More comparisons with PHO
- PHO vs ROBO · Robo Global Robotics and Automation Index ETF 1.5%
- PHO vs VGT · Vanguard Information Technology Index Fund ETF Shares 0.4%
- PHO vs GRID · First Trust NASDAQ Clean Edge Smart Grid Infrastructure Index Fund 0.4%
- PHO vs XLK · State Street Technology Select Sector SPDR ETF 0.3%
- PHO vs HACK · Amplify Cybersecurity ETF 0.1%
- PHO vs TAN · Invesco Solar ETF 0.0%
Percentages are holdings overlap with the named fund.
Open ARKQ or PHO at a brokerage
Both funds trade commission-free at major US brokerages.
Affiliate links — opening an account through these earns PlainIndex a one-time referral. Scoring is computed before any affiliate consideration; see our methodology and funding disclosure.
Holdings overlap is the sum of min(weight_a, weight_b) over positions
matched on ISIN (CUSIP fallback). Methodology: see
/methodology/.
Comparing two funds doesn't endorse swapping one for the other. Tax-lot history, account type, and personal goals matter — PlainIndex publishes data and methodology, not investment advice.