ARKK vs SPY: Holdings Overlap
ARK · 45 holdings · $6.0B · as of 2026-04-30
SPYState Street® SPDR® S&P 500® ETF Trust
State Street (SPDR) · 504 holdings · $812.0B · as of 2026-08-06
Holdings snapshots are 98 days apart (ARKK: 2026-04-30, SPY: 2026-08-06). 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 SPY?
ARK Innovation ETF (ARKK, by ARK) holds 45 positions; State Street® SPDR® S&P 500® ETF Trust (SPY, by State Street (SPDR)) holds 504. They have 13 holdings in common, and by portfolio weight the two funds are 10.8% identical. In practical terms the pair is lightly overlapping, with most of each portfolio distinct.
- Overlap by Weight
- 10.8%Sum of the smaller weight of each shared holding
- Shared Holdings
- 13ARKK holds 45 · SPY holds 504
- Weight in Shared Holdings
- ARKK 38%·SPY 23%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
32 of 45 positions (61.6% of the fund) are not held by SPY. Showing the top 30 by weight.
Sector Breakdown
| Sector | ARKK | SPY |
|---|---|---|
| Information Technology | 26.0% | 37.6% |
| Health Care | 26.7% | 8.9% |
| Financials | 16.8% | 12.3% |
| Consumer Discretionary | 13.3% | 9.3% |
| Communication Services | 10.5% | 9.7% |
| Other Sectors | 4.8% | 22.1% |
| 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 SPY).
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% | — |
| SPY | +3.4% | +14.0% | +23.7% | +21.2% | +13.3% | +15.3% | 0.97% |
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 SPY →
Shared Holdings(13)
The top 10 shared positions account for 98% of the overlap, led by AMZN, GOOG and TSLA.
 AMZNAmazon.com, Inc. COM | 2.68% | 4.02% | 2.68% |
|---|---|---|---|
 GOOGAlphabet Inc. CAP STK CL C | 1.48% | 2.54% | 1.48% |
 TSLATesla Inc COM | 9.74% | 1.36% | 1.36% |
 AMDAdvanced Micro Devices Inc. COM | 5.18% | 1.20% | 1.20% |
 NVDANVIDIA Corp. COM | 1.19% | 8.00% | 1.19% |
 AVGOBroadcom Inc COM | 1.17% | 3.00% | 1.17% |
 METAMeta Platforms, Inc., Class A | 0.60% | 1.95% | 0.60% |
 PLTRPalantir Technologies, Inc., Class A | 3.13% | 0.54% | 0.54% |
 DEDeere & Company COM | 1.22% | 0.23% | 0.23% |
 HOODRobinhood Markets, Inc., Class A | 4.30% | 0.11% | 0.11% |
 TERTeradyne Inc. COM | 1.95% | 0.09% | 0.09% |
 XYZBlock, Inc., Class A | 1.53% | 0.06% | 0.06% |
 COINCoinbase Global, Inc., Class A | 4.23% | 0.05% | 0.05% |
Frequently Asked Questions
How much do ARKK and SPY overlap?
ARKK and SPY overlap by 10.8% of portfolio weight. They share 13 holdings (ARKK holds 45 positions and SPY holds 504), based on each fund's latest SEC-reported holdings.
Is it redundant to own both ARKK and SPY?
The two portfolios are 10.8% 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 SPY?
The largest positions held by both funds are AMZN, GOOG, TSLA, AMD and NVDA. Together the top 10 shared positions account for 98% of the total overlap.
What does ARKK own that SPY doesn't?
32 positions (61.6% of ARKK) are unique to ARKK, led by TEM, 1CG and SHOP. In the other direction, 491 positions (76.8% of SPY) are unique to SPY.