ETF comparison
ARKK vs HACK
Both Thematic.
Holdings overlap
1 positions appear in both funds. Buying equal dollars of ARKK and HACK would leave roughly 1.2% 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
HACK is 15 bps cheaper than ARKK. On a $100,000 position that's about $150/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 HACK.
Top shared holdings
1 shared in total| # | Holding | In ARKK | In HACK | Overlap |
|---|---|---|---|---|
| 1 | BROADCOM INC | 1.24% | 6.01% | 1.24% |
Only in ARKK
43 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 HACK
23 total- Palo Alto Networks Inc 6.58%
- Cisco Systems Inc 5.79%
- Crowdstrike Holdings Inc 5.54%
- Fortinet Inc 5.36%
- General Dynamics Corp 4.93%
- Cloudflare Inc 4.84%
- Okta Inc 4.44%
- F5 Inc 4.34%
- Northrop Grumman Corp 4.30%
- Tenable Holdings Inc 4.20%
Related comparisons
More comparisons with ARKK
More comparisons with HACK
- HACK vs ROBO · Robo Global Robotics and Automation Index ETF 0.4%
- HACK vs PHO · Invesco Water Resources ETF 0.1%
- HACK vs TAN · Invesco Solar ETF 0.0%
- HACK vs ARKG · ARK Genomic Revolution ETF 0.0%
- HACK vs BOTZ · Global X Robotics & Artificial Intelligence ETF 0.0%
- HACK vs ICLN · iShares Global Clean Energy ETF 0.0%
Percentages are holdings overlap with the named fund.
Open ARKK or HACK 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.