ETF comparison
PHO vs ROBO
Both Thematic.
Invesco Water Resources ETF · Robo Global Robotics and Automation Index ETF
Holdings overlap
2 positions appear in both funds. Buying equal dollars of PHO and ROBO would leave roughly 1.5% 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 36 bps cheaper than ROBO. On a $100,000 position that's about $360/yr more in fees for ROBO.
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 PHO vs ROBO.
Top shared holdings
2 shared in total| # | Holding | In PHO | In ROBO | Overlap |
|---|---|---|---|---|
| 1 | Trimble Inc. | 2.89% | 1.35% | 1.35% |
| 2 | Invesco Government & Agency Portfolio | 0.13% | 0.51% | 0.13% |
Only in PHO
39 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%
Only in ROBO
78 total- AMBARELLA, INC. 2.09%
- ILLUMINA, INC. 1.92%
- ROCKWELL AUTOMATION, INC. 1.90%
- FANUC CORPORATION 1.74%
- GEA Group Aktiengesellschaft 1.72%
- Yokogawa Electric Corporation 1.71%
- TERADYNE, INC. 1.67%
- EMERSON ELECTRIC CO. 1.67%
- JBT MAREL CORPORATION 1.63%
- NOVANTA INC. 1.62%
Related comparisons
More comparisons with PHO
- 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%
- PHO vs AIQ · Global X Artificial Intelligence & Technology ETF 0.0%
More comparisons with ROBO
- ROBO vs MOO · VanEck Agribusiness ETF 1.4%
- ROBO vs ARKF · ARK Blockchain & Fintech Innovation ETF 1.3%
- ROBO vs LIT · Global X Lithium & Battery Tech ETF 0.9%
- ROBO vs FDN · First Trust Dow Jones Internet Index Fund 0.5%
- ROBO vs HACK · Amplify Cybersecurity ETF 0.4%
- ROBO vs TAN · Invesco Solar ETF 0.0%
Percentages are holdings overlap with the named fund.
Open PHO or ROBO 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.