ARKK vs ACIO overlap
ARKK and ACIO overlap 13.7% by weight, across 12 shared holdings.
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Top shared holdings
| Holding | ARKK | ACIO | Overlap |
|---|---|---|---|
| Amazon.COM Inc.AMZN | 2.95% | 4.13% | 2.95% |
| Alphabet Inc.-CGOOG | 2.13% | 5.87% | 2.13% |
| Nvidia Corp.NVDA | 1.94% | 7.58% | 1.94% |
| META Platforms-aMETA | 1.56% | 1.90% | 1.56% |
| Tesla Inc.TSLA | 9.74% | 1.37% | 1.37% |
| ADV Micro DeviceAMD | 3.98% | 1.28% | 1.28% |
| Broadcom Inc.AVGO | 1.24% | 2.86% | 1.24% |
| ELI Lilly & CoLLY | 0.59% | 1.44% | 0.59% |
| Deere & CoDE | 0.97% | 0.24% | 0.24% |
| Palantir Techn-aPLTR | 3.11% | 0.23% | 0.23% |
| Robinhood Mark-aHOOD | 3.64% | 0.19% | 0.19% |
| Space Explorat-aSPCX | 4.87% | 0.00% | 0.00% |
Overlap by weight adds up the smaller weight of each holding the funds share, so 100% means identical portfolios. Long securities only: derivatives and cash vehicles are left out. Sources: ARKK, SEC Form N-PORT, July 31, 2026; ACIO, SEC Form N-PORT, July 31, 2026.
Largest institutions holding both
| Firm | ARKK | ACIO |
|---|---|---|
| Aptus Capital Advisors, LLC | $609K | $857.8M |
| Integrated Wealth Concepts LLC | $1.9M | $521.2M |
| Morgan Stanley | $508.1M | $63 |
| JPMorgan Chase & Co | $380.8M | $236K |
| Guardian Wealth Advisors, LLC | $341K | $209.6M |
| Wells Fargo & Company | $172.1M | $31.3M |
| LPL Financial LLC | $168.7M | $21.5M |
| Raymond James Financial Inc. | $67.5M | $70.2M |
| Corient Private Wealth LP | $3.3M | $113.9M |
| UBS Group AG | $100.5M | $5.7M |
| Envestnet Asset Management Inc. | $18.2M | $79.2M |
| First Heartland Consultants, Inc. | $441K | $53.4M |
| Advisory Services Network, LLC | $1.7M | $51.1M |
| Cambridge Investment Research Advisors, Inc. | $35.6M | $428K |
| Osaic Holdings, Inc. | $27.9M | $3.8M |
This compares who owns the funds, not what the funds hold. From SEC Form 13F, for managers with $100M+ in US securities.
Who owns them: ARKK institutional holders, ACIO institutional holders.
Frequently asked questions
How much do ARKK and ACIO overlap?
13.7% by weight, with 12 holdings in common, using holdings for ARKK as of July 31, 2026 and ACIO as of July 31, 2026. The largest shared position is AMZN.
Do institutions hold both ARKK and ACIO?
73 Form 13F filers report positions in both, out of 703 that report either one.
How is overlap by weight worked out?
For each holding the two funds share, take the smaller of the two weights, then add those up. Identical portfolios score 100%.