ARKK vs IYW: Holdings Overlap
ARK · 45 holdings · $6.0B · as of 2026-04-30
IYWiShares U.S. Technology ETF
iShares · 139 holdings · $25.2B · as of 2026-04-30
How similar are ARKK and IYW?
ARK Innovation ETF (ARKK, by ARK) holds 45 positions; iShares U.S. Technology ETF (IYW, by iShares) holds 139. They have 7 holdings in common, and by portfolio weight the two funds are 10.1% identical. In practical terms the pair is lightly overlapping, with most of each portfolio distinct.
- Overlap by Weight
- 10.1%Sum of the smaller weight of each shared holding
- Shared Holdings
- 7ARKK holds 45 · IYW holds 139
- Weight in Shared Holdings
- ARKK 15%·IYW 35%Share of each fund's weight in stocks both funds own
Based on each fund's latest official holdings. How is this calculated?
What makes each fund different
Only in ARKK
38 of 45 positions (85.3% of the fund) are not held by IYW. Showing the top 30 by weight.
Sector Breakdown
| Sector | ARKK | IYW |
|---|---|---|
| Information Technology | 26.0% | 80.4% |
| Health Care | 26.7% | 0.0% |
| Communication Services | 10.5% | 17.9% |
| Financials | 16.8% | 0.1% |
| Consumer Discretionary | 13.3% | 0.4% |
| Other Sectors | 4.8% | 1.1% |
| Unclassified | 1.8% | 0.0% |
Share of each fund's portfolio weight by GICS-style sector, compiled from issuer fund data and our own classification of the holdings, not the issuers' published sector charts. “Unclassified” is weight we could not classify (2% of ARKK, 0% of IYW).
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| ARKK | -2.2% | +3.3% | +6.8% | +21.1% | -8.1% | +15.3% | — |
| IYW | +4.4% | +27.3% | +39.7% | +32.8% | +19.8% | +24.9% | 0.10% |
Total returns including dividends, from adjusted daily closes as of 2026-08-07. 3Y/5Y/10Y are annualized. Yield is trailing-12-month distributions over the last close. Past performance does not predict future results.
Project the growth of $10,000 in ARKK vs IYW →
Shared Holdings(7)
The top 7 shared positions account for 100% of the overlap, led by AMD, PLTR and GOOG.
 AMDAdvanced Micro Devices Inc. COM | 5.18% | 3.50% | 3.50% |
|---|---|---|---|
 PLTRPalantir Technologies, Inc., Class A | 3.13% | 1.86% | 1.86% |
 GOOGAlphabet Inc. CAP STK CL C | 1.48% | 6.33% | 1.48% |
 NVDANVIDIA Corp. COM | 1.19% | 16.23% | 1.19% |
 AVGOBroadcom Inc COM | 1.17% | 3.78% | 1.17% |
 METAMeta Platforms, Inc., Class A | 0.60% | 2.80% | 0.60% |
 TERTeradyne Inc. COM | 1.95% | 0.33% | 0.33% |
Frequently Asked Questions
How much do ARKK and IYW overlap?
ARKK and IYW overlap by 10.1% of portfolio weight. They share 7 holdings (ARKK holds 45 positions and IYW holds 139), based on each fund's latest SEC-reported holdings.
Is it redundant to own both ARKK and IYW?
The two portfolios are 10.1% identical by weight. Owning both is not redundant. Most of each portfolio is distinct, so the funds can serve different roles.
What are the biggest shared holdings of ARKK and IYW?
The largest positions held by both funds are AMD, PLTR, GOOG, NVDA and AVGO. Together the top 7 shared positions account for 100% of the total overlap.
What does ARKK own that IYW doesn't?
38 positions (85.3% of ARKK) are unique to ARKK, led by TSLA, TEM and 1CG. In the other direction, 132 positions (65.0% of IYW) are unique to IYW.