ETF comparison
ROBO vs TAN
Both Thematic.
Robo Global Robotics and Automation Index ETF · Invesco Solar ETF
Holdings overlap
1 positions appear in both funds. Buying equal dollars of ROBO and TAN would leave roughly 0.0% 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
TAN is 25 bps cheaper than ROBO. On a $100,000 position that's about $250/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 ROBO vs TAN.
Top shared holdings
1 shared in total| # | Holding | In ROBO | In TAN | Overlap |
|---|---|---|---|---|
| 1 | N/A | 0.51% | 0.04% | 0.04% |
Only in ROBO
79 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%
Only in TAN
31 total- First Solar, Inc. 11.74%
- Nextpower Inc. 9.81%
- Enphase Energy, Inc. 8.75%
- Enlight Renewable Energy Ltd. 7.58%
- SolarEdge Technologies, Inc. 6.32%
- Doral Group Renewable Energy Resources Ltd. 5.09%
- Sunrun Inc. 4.83%
- O.Y. Nofar Energy Ltd. 4.22%
- HA Sustainable Infrastructure Capital, Inc. 3.46%
- Shoals Technologies Group, Inc. 3.39%
Related comparisons
More comparisons with ROBO
- ROBO vs CIBR · First Trust NASDAQ Cybersecurity ETF 0.0%
- ROBO vs ICLN · iShares Global Clean Energy ETF 0.0%
- ROBO vs SKYY · First Trust Cloud Computing ETF 0.0%
- ROBO vs BOTZ · Global X Robotics & Artificial Intelligence ETF 25.2%
- ROBO vs KOMP · State Street SPDR S&P Kensho New Economies Composite ETF 11.7%
- ROBO vs QTUM · Defiance Quantum ETF 10.8%
More comparisons with TAN
- TAN vs AIQ · Global X Artificial Intelligence & Technology ETF 0.0%
- TAN vs ARKF · ARK Blockchain & Fintech Innovation ETF 0.0%
- TAN vs ARKG · ARK Genomic Revolution ETF 0.0%
- TAN vs ARKK · ARK Innovation ETF 0.0%
- TAN vs ARKQ · ARK Autonomous Technology & Robotics ETF 0.0%
- TAN vs ARKW · ARK Next Generation Technology ETF 0.0%
Percentages are holdings overlap with the named fund.
Open ROBO or TAN 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.