Coinbase (COIN): ARK Investment Management added to its stake +416K shares

2.93M

Shares reported · +416K vs prior quarter

3.1%

Disclosed portfolio weight

$546M

Reported value

Holdings as of

Sep 30, 2026

Filed

Nov 13, 2026

The story around this disclosure

Every dated public record OQRO holds about the company from 60 days before to 120 days after, oldest first. It shows what was going on; none of it is a stated reason for the trade.

1. Sep 21, 2026Insider · 2 peopleInsiders: 5 sales (~$9.4M)
2. Sep 29, 2026Company filing · Form 8-K · Executive changeChanged a top executive or board member“On September 29, 2026, Jennifer Jones, the Chief Accounting Officer and principal accounting officer of Coinbase Global, Inc. (“Coinbase”), notified Coinbase of her decision to retire.”
3. Sep 30, 2026Federal contract · $8.1M obligatedDepartment of Justice awarded Coinbase: $8.13M obligated to date
4. Oct 1, 2026InsiderDirector sold ~$2.55M of COIN shares in the open market
5. Oct 2, 2026InsiderDirector sold ~$1.35M of COIN shares in the open market
6. Oct 6, 2026Government · Federal Register proposed ruleAdviser and Regulated Fund Custody Rules; Crypto Custody Rules
7. Oct 29, 2026Company filing · Form 8-K · ResultsReported its results

How to read SEC Form 13F-HR

Form 13F is the quarterly report in which investment managers that oversee $100 million or more list the US-listed stocks and some other securities they held on the last day of the quarter.

Full guide: What is an SEC Form 13F?

What else is on file for Coinbase

For Coinbase, OQRO holds 25 insider filings (SEC Form 4 or Form 144), 2 Congress trade reports, 1 fund holdings report (13F) and 1 federal contract award dated in the last 90 days.

These are records OQRO holds, counted by their date, not a measure of how much trading took place. Routine paperwork such as option exercises and tax withholding is left out. Everything for the company is on its COIN page.

How this filing works

• SEC Form 13F

Other disclosures at Coinbase

• SEC Form 4Oct 6, 2026
• SEC Form 4Oct 6, 2026
• SEC Form 144Oct 2, 2026
• SEC Form 144Oct 1, 2026
• USAspending.gov award recordSep 30, 2026
• SEC Form 4Sep 23, 2026

Everything OQRO holds on this company is on its COIN page.