ETF comparison
ARKF vs FDN
Both Thematic.
ARK Blockchain & Fintech Innovation ETF · First Trust Dow Jones Internet Index Fund
Holdings overlap
6 positions appear in both funds. Buying equal dollars of ARKF and FDN would leave roughly 12.2% of each dollar exposed to the same underlying securities.
Side by side
Sub-score comparison
Tracking quality isn't part of the composite — see what we don't score for why.
Cost difference
FDN is 26 bps cheaper than ARKF. On a $100,000 position that's about $260/yr more in fees for ARKF.
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 ARKF vs FDN.
Top shared holdings
6 shared in total| # | Holding | In ARKF | In FDN | Overlap |
|---|---|---|---|---|
| 1 | AMAZON.COM INC | 3.87% | 10.25% | 3.87% |
| 2 | META PLATFORMS INC | 2.87% | 9.14% | 2.87% |
| 3 | ROBLOX CORP | 2.71% | 1.97% | 1.97% |
| 4 | AIRBNB INC | 1.59% | 2.82% | 1.59% |
| 5 | DOORDASH INC | 1.31% | 2.96% | 1.31% |
| 6 | DRAFTKINGS INC | 1.79% | 0.57% | 0.57% |
Only in ARKF
32 total- SHOPIFY INC 9.27%
- ARK 21SHARES BITCOIN ETF 6.42%
- COINBASE GLOBAL INC 5.83%
- CIRCLE INTERNET GROUP INC 5.47%
- BLOCK INC 5.31%
- ROBINHOOD MARKETS INC 4.47%
- PALANTIR TECHNOLOGIES INC 4.20%
- TOAST INC 4.12%
- ADVANCED MICRO DEVICES INC 3.88%
- BULLISH 3.56%
Only in FDN
36 total- Netflix, Inc. 8.98%
- Cisco Systems, Inc. 6.78%
- Alphabet Inc. 5.41%
- Booking Holdings Inc 4.59%
- Salesforce Inc. 4.53%
- Alphabet Inc. 4.33%
- Arista Networks Inc 4.18%
- Cloudflare Inc 3.45%
- Ciena Corporation 2.89%
- Snowflake Inc 2.72%
Open ARKF or FDN 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.