ETF comparison
ARKK vs TAN
Both Thematic.
Holdings overlap
0 positions appear in both funds. Buying equal dollars of ARKK 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 5 bps cheaper than ARKK. On a $100,000 position that's about $50/yr more in fees for ARKK.
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 ARKK vs TAN.
Top shared holdings
0 shared in totalNo shared holdings between these funds.
Only in ARKK
44 total- TESLA INC 9.74%
- TEMPUS AI INC 4.89%
- SPACE EXPLORATION TECHNOLOGIES CORP 4.87%
- CRISPR THERAPEUTICS AG 4.73%
- SHOPIFY INC 4.36%
- COINBASE GLOBAL INC 4.17%
- ADVANCED MICRO DEVICES INC 3.98%
- CIRCLE INTERNET GROUP INC 3.90%
- ROBINHOOD MARKETS INC 3.64%
- TWIST BIOSCIENCE CORP 3.31%
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 ARKK
- ARKK vs ARKW · ARK Next Generation Technology ETF 55.9%
- ARKK vs ARKQ · ARK Autonomous Technology & Robotics ETF 37.9%
- ARKK vs ARKF · ARK Blockchain & Fintech Innovation ETF 37.4%
- ARKK vs ARKG · ARK Genomic Revolution ETF 27.7%
- ARKK vs AIQ · Global X Artificial Intelligence & Technology ETF 19.6%
- ARKK vs FDN · First Trust Dow Jones Internet Index Fund 10.5%
More comparisons with TAN
- TAN vs ARKQ · ARK Autonomous Technology & Robotics ETF 0.0%
- TAN vs ARKW · ARK Next Generation Technology ETF 0.0%
- TAN vs BOTZ · Global X Robotics & Artificial Intelligence ETF 0.0%
- TAN vs CIBR · First Trust NASDAQ Cybersecurity ETF 0.0%
- TAN vs FDN · First Trust Dow Jones Internet Index Fund 0.0%
- TAN vs LIT · Global X Lithium & Battery Tech ETF 0.0%
Percentages are holdings overlap with the named fund.
Open ARKK 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.