Data as of .
HYDR vs TAN: which is really different?
HYDR and TAN hold 0% of their weight in the same names, and HYDR returned more over the year.
ETFIQ Off-Index Score: TAN scores higher
How much of it is not the index it is sold as an alternative to?
A percentile among the 379 thematic ETFs with a holdings filing. It is a position in a set, not a rating, and neither end of it is a recommendation. All thematic ETFs ranked by it · How it is computed
0% of the two portfolios are the same securities at the same weight.
What they hold in common
By the books each fund has filed, HYDR and TAN hold 0% of their money in the same securities at the same weight.
| Only in HYDR | Only in TAN |
|---|---|
| BLOOM ENERGY CORP- A 16.93% | First Solar Inc 9.81% |
| DOOSAN FUEL CELL CO LTD 11.51% | Nextpower Inc 8.84% |
| PLUG POWER INC 9.73% | Enlight Renewable Energy Ltd 8.19% |
| CERES POWER HOLDINGS PLC 7.38% | Enphase Energy Inc 6.37% |
| SFC ENERGY AG-BR 6.38% | Doral Group Renewable Energy Resources L 4.68% |
| FUELCELL ENERGY INC 5.59% | HA Sustainable Infrastructure Capital In 4.39% |
| ITM POWER PLC 4.34% | GCL Technology Holdings Ltd 4.35% |
| NEL ASA 4.32% | Sunrun Inc 3.86% |
Weight overlap is an ETFIQ calculation: for every security both funds hold, the smaller of the two weights, summed. Above 50%, holding both is close to holding one of them twice. Holdings dated Sep 18, 2026 and Sep 19, 2026.
Performance, window by window
| Window | Total return | vs the S&P 500 | vs the Nasdaq-100 | |||
|---|---|---|---|---|---|---|
| HYDR | TAN | HYDR | TAN | HYDR | TAN | |
| 3 months | −19.9% | −24.6% | −22.2 pts | −26.9 pts | −17.5 pts | −22.1 pts |
| 6 months | +21.4% | −17.2% | +3.4 pts | −35.2 pts | −2.8 pts | −41.5 pts |
| 1 year | +37.6% | +6.7% | +21.0 pts | −9.9 pts | +15.8 pts | −15.1 pts |
| 3 years | +17.1% | −15.9% | −61.3 pts | −94.3 pts | −81.0 pts | −114.0 pts |
| Since launch | −60.3% | −41.6% | −147.6 pts | −845.2 pts | −165.0 pts | −1731.9 pts |
| HYDR Global X Hydrogen ETF Holds 30 stocks in clean energy, 5% of its weight in S&P 500 companies | TAN Invesco Solar ETF Holds 45 stocks in clean energy, 10% of its weight in S&P 500 companies | |
|---|---|---|
| Issuer | Global X | Invesco |
| Theme | Clean energy | Clean energy |
| In the S&P 500 | 5.1% | 9.8% |
| Active share vs the S&P 500 | 99.7% | 100.0% |
| In the Nasdaq-100 | 0.0% | 0.0% |
| Holdings | 30 | 45 |
| Top ten, share of the fund | 73.1% | 58.0% |
| Expense ratio | 0.50% | 0.70% |
| Fee for the differing part | 0.50% | 0.70% |
| Total return, 1 year | +37.6% | +6.7% |
| vs the S&P 500 | +21.0 pts | −9.9 pts |
| vs the Nasdaq-100 | +15.8 pts | −15.1 pts |
| Below its high | −67.1% | −62.3% |
| Net assets | $98m | $953m |
HYDR in plain words
By weight, 5% of HYDR's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 100%. The top ten holdings are 73% of the fund across 30 positions, as published by its issuer for Sep 18, 2026. Over the year to Sep 18, 2026 the fund returned +37.6% with distributions reinvested against +16.6% for the S&P 500, so a holder was ahead by 21.0 pts. It sits 67.1% below its all-time high of Nov 8, 2021.
TAN in plain words
By weight, 10% of TAN's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 100%. The top ten holdings are 58% of the fund across 45 positions, as published by its issuer for Sep 19, 2026. Over the year to Sep 18, 2026 the fund returned +6.7% with distributions reinvested against +16.6% for the S&P 500, so a holder was behind by 9.9 pts. It sits 62.3% below its all-time high of Feb 9, 2021.
Questions people ask
- Do HYDR and TAN hold the same stocks?
- By their latest filings, 0% of their books are the same securities at the same weight, which is mostly different names. Overlap is the sum of the smaller weight of every security they share.
- Which is more different from the S&P 500, HYDR or TAN?
- HYDR has 5% of its weight in S&P 500 names and TAN has 10%, so TAN differs more from the index.
- Which is cheaper, HYDR or TAN?
- HYDR charges 0.50% a year and TAN charges 0.70%, so HYDR is cheaper. Fees come from each fund's prospectus.
Other comparisons
Where these figures came from
ETFIQ links to the documents behind every figure. It is not affiliated with any issuer, and a link is not an endorsement.
Cite this page. ETFIQ, HYDR against TAN, data as of Sep 18, 2026. https://etfiq.com/compare/themes/hydr-vs-tan Free to use with attribution; the underlying files are at Open data.