ETF comparison
QTUM vs TAN
Both Thematic.
Holdings overlap
0 positions appear in both funds. Buying equal dollars of QTUM 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
QTUM is 30 bps cheaper than TAN. On a $100,000 position that's about $300/yr more in fees for TAN.
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 QTUM vs TAN.
Top shared holdings
0 shared in totalNo shared holdings between these funds.
Only in QTUM
86 total- Arqit Quantum Inc 2.41%
- Horizon Quantum Holdings LTD 2.38%
- Quantinuum Inc 1.57%
- Astera Labs Inc 1.55%
- Applied Materials Inc 1.55%
- KLA Corp 1.50%
- MKS Inc 1.50%
- Onto Innovation Inc 1.49%
- Teradyne Inc 1.48%
- Lam Research Corp 1.43%
Only in TAN
32 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 QTUM
- QTUM vs AIQ · Global X Artificial Intelligence & Technology ETF 25.3%
- QTUM vs VGT · Vanguard Information Technology Index Fund ETF Shares 23.3%
- QTUM vs XLK · State Street Technology Select Sector SPDR ETF 23.2%
- QTUM vs SKYY · First Trust Cloud Computing ETF 12.7%
- QTUM vs ROBO · Robo Global Robotics and Automation Index ETF 10.8%
- QTUM vs ARKQ · ARK Autonomous Technology & Robotics ETF 10.5%
More comparisons with TAN
- TAN vs SKYY · First Trust Cloud Computing ETF 0.0%
- TAN vs ICLN · iShares Global Clean Energy ETF 32.7%
- TAN vs KOMP · State Street SPDR S&P Kensho New Economies Composite ETF 3.3%
- TAN vs GRID · First Trust NASDAQ Clean Edge Smart Grid Infrastructure Index Fund 1.1%
- TAN vs VGT · Vanguard Information Technology Index Fund ETF Shares 0.4%
- TAN vs XLK · State Street Technology Select Sector SPDR ETF 0.1%
Percentages are holdings overlap with the named fund.
Open QTUM 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.