ETF comparison
HACK vs SKYY
Both Thematic.
Holdings overlap
9 positions appear in both funds. Buying equal dollars of HACK and SKYY would leave roughly 13.5% 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
Expense ratios are effectively identical (0.60% vs 0.60%).
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 HACK vs SKYY.
Top shared holdings
9 shared in total| # | Holding | In HACK | In SKYY | Overlap |
|---|---|---|---|---|
| 1 | Cloudflare Inc | 4.84% | 2.65% | 2.65% |
| 2 | Cisco Systems Inc | 5.79% | 2.55% | 2.55% |
| 3 | Rubrik Inc | 3.98% | 2.00% | 2.00% |
| 4 | Fastly Inc | 3.27% | 1.86% | 1.86% |
| 5 | Netskope Inc | 2.83% | 1.50% | 1.50% |
| 6 | Qualys Inc | 4.14% | 0.82% | 0.82% |
| 7 | Palo Alto Networks Inc | 6.58% | 0.79% | 0.79% |
| 8 | Crowdstrike Holdings Inc | 5.54% | 0.68% | 0.68% |
| 9 | Zscaler Inc | 4.02% | 0.66% | 0.66% |
Only in HACK
15 total- Broadcom Inc 6.01%
- Fortinet Inc 5.36%
- General Dynamics Corp 4.93%
- Okta Inc 4.44%
- F5 Inc 4.34%
- Northrop Grumman Corp 4.30%
- Tenable Holdings Inc 4.20%
- Varonis Systems Inc 4.08%
- A10 Networks Inc 3.83%
- Check Point Software Technolog 3.72%
Only in SKYY
55 total- ARISTA NETWORKS INC 4.18%
- DIGITALOCEAN HOLDINGS INC 3.95%
- EVERPURE INC 3.89%
- NUTANIX INC 3.84%
- INTERNATIONAL BUSINESS MACHINES CORP 3.70%
- ALPHABET INC 3.68%
- AMAZON.COM INC 3.45%
- MONGODB INC 3.27%
- MICROSOFT CORP 3.25%
- COREWEAVE INC 2.97%
Related comparisons
More comparisons with HACK
- HACK vs XLK · State Street Technology Select Sector SPDR ETF 11.4%
- HACK vs FDN · First Trust Dow Jones Internet Index Fund 10.9%
- HACK vs VGT · Vanguard Information Technology Index Fund ETF Shares 9.4%
- HACK vs ARKW · ARK Next Generation Technology ETF 8.5%
- HACK vs AIQ · Global X Artificial Intelligence & Technology ETF 7.5%
- HACK vs QTUM · Defiance Quantum ETF 4.3%
More comparisons with SKYY
- SKYY vs QTUM · Defiance Quantum ETF 12.7%
- SKYY vs ARKK · ARK Innovation ETF 8.3%
- SKYY vs ARKF · ARK Blockchain & Fintech Innovation ETF 6.7%
- SKYY vs ARKQ · ARK Autonomous Technology & Robotics ETF 3.8%
- SKYY vs GRID · First Trust NASDAQ Clean Edge Smart Grid Infrastructure Index Fund 3.7%
- SKYY vs KOMP · State Street SPDR S&P Kensho New Economies Composite ETF 3.5%
Percentages are holdings overlap with the named fund.
Open HACK or SKYY 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.