ARKW vs IWO: Holdings Overlap
ARKWARK Next Generation Internet ETF
ARK · 42 holdings · $1.7B · as of 2026-04-30
IWOiShares Russell 2000 Growth ETF
iShares · 1101 holdings · $14.8B · as of 2026-03-31
Holdings snapshots are 30 days apart (ARKW: 2026-04-30, IWO: 2026-03-31). Weights and index membership change between snapshots, so the true current overlap is typically higher than shown. For funds tracking the same index, the gap can be 5–15 points.
How similar are ARKW and IWO?
ARK Next Generation Internet ETF (ARKW, by ARK) holds 42 positions; iShares Russell 2000 Growth ETF (IWO, by iShares) holds 1101. They have 1 holdings in common, and by portfolio weight the two funds are 0.1% identical. In practical terms the pair is essentially distinct, holding almost none of the same securities.
- Overlap by Weight
- 0.1%Sum of the smaller weight of each shared holding
- Shared Holdings
- 1ARKW holds 42 · IWO holds 1101
- Weight in Shared Holdings
- ARKW 1%·IWO 0%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 ARKW
41 of 42 positions (99.2% of the fund) are not held by IWO. Showing the top 30 by weight.
Only in IWO
1100 of 1101 positions (99.8% of the fund) are not held by ARKW. Showing the top 30 by weight.
Sector Breakdown
| Sector | ARKW | IWO |
|---|---|---|
| Information Technology | 39.5% | 19.0% |
| Industrials | 0.0% | 23.7% |
| Health Care | 0.0% | 23.1% |
| Financials | 18.1% | 8.6% |
| Consumer Discretionary | 17.3% | 7.3% |
| Other Sectors | 16.6% | 14.1% |
| Unclassified | 8.4% | 4.0% |
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 (8% of ARKW, 4% of IWO).
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| ARKW | +0.5% | +0.1% | -4.8% | +34.6% | +0.7% | +22.3% | 1.59% |
| IWO | +1.2% | +21.0% | +34.7% | +17.5% | +5.9% | +11.0% | 0.42% |
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 ARKW vs IWO →
Shared Holdings(1)
 GENIGenius Sports Ltd. COM NPV | 0.84% | 0.06% | 0.06% |
|---|
Frequently Asked Questions
How much do ARKW and IWO overlap?
ARKW and IWO overlap by 0.1% of portfolio weight. They share 1 holdings (ARKW holds 42 positions and IWO holds 1101), based on each fund's latest SEC-reported holdings.
Is it redundant to own both ARKW and IWO?
The two portfolios are 0.1% identical by weight. Owning both is genuine diversification: the funds hold almost none of the same securities.
What are the biggest shared holdings of ARKW and IWO?
The largest positions held by both funds are GENI. Together the top 1 shared positions account for 100% of the total overlap.
What does ARKW own that IWO doesn't?
41 positions (99.2% of ARKW) are unique to ARKW, led by AMD, TSLA and ARKB. In the other direction, 1100 positions (99.8% of IWO) are unique to IWO.