ARKK vs VTHR: Holdings Overlap
ARK · 45 holdings · $6.0B · as of 2026-04-30
VTHRVanguard Russell 3000 Index Fund
Vanguard · 2910 holdings · $4.8B · as of 2026-05-31
Holdings snapshots are 31 days apart (ARKK: 2026-04-30, VTHR: 2026-05-31). 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 VTHR?
ARK Innovation ETF (ARKK, by ARK) holds 45 positions; Vanguard Russell 3000 Index Fund (VTHR, by Vanguard) holds 2910. They have 35 holdings in common, and by portfolio weight the two funds are 11.2% identical. In practical terms the pair is lightly overlapping, with most of each portfolio distinct.
- Overlap by Weight
- 11.2%Sum of the smaller weight of each shared holding
- Shared Holdings
- 35ARKK holds 45 · VTHR holds 2910
- Weight in Shared Holdings
- ARKK 84%·VTHR 22%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
10 of 45 positions (15.9% of the fund) are not held by VTHR.
Sector Breakdown
| Sector | ARKK | VTHR |
|---|---|---|
| Information Technology | 26.0% | 35.6% |
| Health Care | 26.7% | 8.8% |
| Financials | 16.8% | 11.6% |
| Consumer Discretionary | 13.3% | 9.7% |
| Communication Services | 10.5% | 10.0% |
| Other Sectors | 4.8% | 23.8% |
| Unclassified | 1.8% | 0.2% |
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 VTHR).
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% | — |
| VTHR | +3.4% | +14.5% | +24.0% | +20.8% | +12.4% | +14.8% | 0.99% |
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 VTHR →
Shared Holdings(35)
The top 10 shared positions account for 96% of the overlap, led by AMZN, TSLA and GOOG.
 AMZNAmazon.com, Inc. COM | 2.68% | 3.58% | 2.68% |
|---|---|---|---|
 TSLATesla Inc COM | 9.74% | 1.69% | 1.69% |
 GOOGAlphabet Inc. CAP STK CL C | 1.48% | 2.46% | 1.48% |
 NVDANVIDIA Corp. COM | 1.19% | 6.81% | 1.19% |
 AVGOBroadcom Inc COM | 1.17% | 2.84% | 1.17% |
 AMDAdvanced Micro Devices Inc. COM | 5.18% | 1.15% | 1.15% |
 METAMeta Platforms, Inc., Class A | 0.60% | 1.90% | 0.60% |
 PLTRPalantir Technologies, Inc., Class A | 3.13% | 0.47% | 0.47% |
 DEDeere & Company COM | 1.22% | 0.18% | 0.18% |
 HOODRobinhood Markets, Inc., Class A | 4.30% | 0.10% | 0.10% |
 TERTeradyne Inc. COM | 1.95% | 0.08% | 0.08% |
 COINCoinbase Global, Inc., Class A | 4.23% | 0.06% | 0.06% |
 XYZBlock, Inc., Class A | 1.53% | 0.06% | 0.06% |
 NTRANatera Inc. COM | 1.17% | 0.04% | 0.04% |
 RBLXRoblox Corporation CL A | 3.07% | 0.04% | 0.04% |
 ILMNIllumina Inc COM | 1.20% | 0.03% | 0.03% |
 SOFISofi Technologies Inc COM | 0.54% | 0.03% | 0.03% |
 BWXTBWX Technologies Inc. COM | 1.00% | 0.02% | 0.02% |
 ROKURoku, Inc., Class A | 4.33% | 0.02% | 0.02% |
 CRCLCircle Internet Group, Inc., Class A | 3.84% | 0.02% | 0.02% |
 KTOSKratos Defense & Security Solutions, Inc. COM NEW | 1.05% | 0.02% | 0.02% |
 1CGCRISPR Therapeutics AG COM CHF0.03 | 4.98% | 0.01% | 0.01% |
 TEMTempus AI, Inc., Class A | 5.36% | 0.01% | 0.01% |
 ACHRArcher Aviation, Inc., Class A | 1.55% | 0.01% | 0.01% |
 TWSTTwist Bioscience Corporation COM | 3.05% | 0.01% | 0.01% |
Frequently Asked Questions
How much do ARKK and VTHR overlap?
ARKK and VTHR overlap by 11.2% of portfolio weight. They share 35 holdings (ARKK holds 45 positions and VTHR holds 2910), based on each fund's latest SEC-reported holdings.
Is it redundant to own both ARKK and VTHR?
The two portfolios are 11.2% 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 VTHR?
The largest positions held by both funds are AMZN, TSLA, GOOG, NVDA and AVGO. Together the top 10 shared positions account for 96% of the total overlap.
What does ARKK own that VTHR doesn't?
10 positions (15.9% of ARKK) are unique to ARKK, led by SHOP, CRWV and OPENAI GROUP PBC SERIES C. In the other direction, 2875 positions (78.0% of VTHR) are unique to VTHR.