Privacy Policy

Last updated: January 2026

Overview

13F Builder is committed to protecting your privacy. This policy explains what information we collect, how we use it, and your rights regarding that information.

In short: We collect minimal, anonymized usage data to improve our service. We don't sell your data, use tracking cookies, or share information with third parties.

Information We Collect

Automatically Collected (Analytics)

When you use our service, we automatically collect:

  • Anonymized IP address - We hash your IP address so it cannot be traced back to you
  • Browser type - General information about your browser (e.g., "Chrome on Windows")
  • Referring website - How you found us (e.g., from a search engine)
  • Pages visited - Which pages you view on our site
  • Usage events - Actions like searches performed and files generated (not the content)

This data is stored on our servers for 30 days and then automatically deleted.

Voluntarily Provided
  • Email address - Only if you choose to provide it for updates
  • Holdings data - The securities information you enter is processed to generate your XML file but is not stored on our servers after generation

How We Use Your Information

  • To provide the service - Generate your 13F XML files
  • To improve the service - Understand how people use the tool
  • To communicate - Send updates if you opted in (you can unsubscribe anytime)

We do NOT:

  • Sell your data to third parties
  • Use tracking cookies or third-party analytics (like Google Analytics)
  • Store your holdings/financial data after XML generation
  • Share your email with anyone

Cookies

We use only essential cookies required for the website to function (like maintaining your session while you build your filing). We do not use advertising or tracking cookies.

Your Rights

Under GDPR (EU), UK GDPR, and CCPA (California), you have the right to:

  • Access - Request a copy of data we hold about you
  • Deletion - Request we delete your data
  • Correction - Request we correct inaccurate data
  • Opt-out - Unsubscribe from emails at any time

To exercise these rights, contact us at: contact@13fbuilder.com

Data Security

We implement appropriate technical measures to protect your information:

  • IP addresses are hashed (one-way encryption)
  • HTTPS encryption for all data in transit
  • Holdings data is processed in-memory and not persisted
  • Logs are automatically purged after 30 days

Changes to This Policy

We may update this policy occasionally. Significant changes will be noted on this page with an updated "Last updated" date.

Contact

Questions about this privacy policy? Contact us at: contact@13fbuilder.com