ARKK vs FDN: Holdings Overlap
ARK · 45 holdings · $6.0B · as of 2026-04-30
FDNFirst Trust Dow Jones Internet Index Fund
First Trust · 41 holdings · $5.3B · as of 2026-03-31
Holdings snapshots are 30 days apart (ARKK: 2026-04-30, FDN: 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 ARKK and FDN?
ARK Innovation ETF (ARKK, by ARK) holds 45 positions; First Trust Dow Jones Internet Index Fund (FDN, by First Trust) holds 41. They have 5 holdings in common, and by portfolio weight the two funds are 7.7% identical. In practical terms the pair is lightly overlapping, with most of each portfolio distinct.
- Overlap by Weight
- 7.7%Sum of the smaller weight of each shared holding
- Shared Holdings
- 5ARKK holds 45 · FDN holds 41
- Weight in Shared Holdings
- ARKK 11%·FDN 27%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
40 of 45 positions (89.3% of the fund) are not held by FDN. Showing the top 30 by weight.
Sector Breakdown
| Sector | ARKK | FDN |
|---|---|---|
| Information Technology | 26.0% | 38.1% |
| Communication Services | 10.5% | 29.8% |
| Consumer Discretionary | 13.3% | 26.9% |
| Health Care | 26.7% | 1.4% |
| Financials | 16.8% | 2.2% |
| Other Sectors | 4.8% | 1.6% |
| 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 FDN).
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) |
|---|---|---|---|---|---|---|
| ARKK | -2.2% | +3.3% | +6.8% | +21.1% | -8.1% | +15.3% |
| FDN | +6.5% | +7.5% | +6.5% | +19.6% | +3.6% | +13.9% |
Total returns including dividends, from adjusted daily closes as of 2026-08-07. 3Y/5Y/10Y are annualized. Past performance does not predict future results.
Project the growth of $10,000 in ARKK vs FDN →
Shared Holdings(5)
The top 5 shared positions account for 100% of the overlap, led by AMZN, RBLX and GOOG.
Frequently Asked Questions
How much do ARKK and FDN overlap?
ARKK and FDN overlap by 7.7% of portfolio weight. They share 5 holdings (ARKK holds 45 positions and FDN holds 41), based on each fund's latest SEC-reported holdings.
Is it redundant to own both ARKK and FDN?
The two portfolios are 7.7% 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 FDN?
The largest positions held by both funds are AMZN, RBLX, GOOG, CRWV and META. Together the top 5 shared positions account for 100% of the total overlap.
What does ARKK own that FDN doesn't?
40 positions (89.3% of ARKK) are unique to ARKK, led by TSLA, TEM and AMD. In the other direction, 36 positions (73.3% of FDN) are unique to FDN.