VOL. XCIV, NO. 247

★ FINANCIAL TOOLS & SERVICES DIRECTORY ★

PRICE: 5 CENTS

Thursday, October 30, 2025

Tool Comparison

Corner of Berkshire & Fairfax (COBF) vs r/SecurityAnalysis — Letters Wiki comparison

Compare pricing, supported platforms, categories, and standout capabilities to decide which tool fits your workflow.

Quick takeaways

Corner of Berkshire & Fairfax (COBF) adds Blogs coverage that r/SecurityAnalysis — Letters Wiki skips.

r/SecurityAnalysis — Letters Wiki includes Education, Playbooks & Case Studies, and Newsletters categories that Corner of Berkshire & Fairfax (COBF) omits.

In depth comparison

Corner of Berkshire & Fairfax (COBF) logo

Corner of Berkshire & Fairfax (COBF)

thecobf.com

A long-standing value-investing forum founded in 2009, with public boards and members-only sections. Membership is a one-time lifetime fee of $49.99, purchased through the site’s shop. The community hosts thousands of investors, with active discussions, member-submitted articles, and dedicated rooms for deeper collaboration.

Categories

Platforms

Web

Pricing

FreeOne-time

Quick highlights

  • Public discussion boards focused on Berkshire Hathaway, Fairfax Financial, general investing, books, and broader market conversations.
  • Members-only sections covering investment ideas, personal finance, strategies, real estate, wealth management, events, and more.
  • One-time lifetime membership fee of $49.99 USD, available through the site’s shop.
  • Private Members Room (also known as the COBF Zoom Room) reserved for paid members.
  • Podium section for blog-style, user-submitted articles, accessible via forum login.

Community votes (overall)

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r/SecurityAnalysis — Letters Wiki logo

r/SecurityAnalysis — Letters Wiki

reddit.com

Community‑maintained directory of investor/fund letters and reports, organized by year/quarter. Publicly viewable; edits limited to approved contributors. Links out to original PDFs/posts on managers’ sites. No data feeds, APIs, or exports—pure research reading list.

Platforms

Web

Pricing

Free

Quick highlights

  • Chronological index of letters grouped by year and quarter (2016→present in the wiki).
  • Publicly readable wiki page with edit permissions restricted to approved users/moderators.
  • ‘Others’ section pointing to classic collections (e.g., Austin Value, Nomad Partnership, Peter Lynch).
  • Direct outbound links to the letters on manager sites; useful for primary-source research.

Community votes (overall)

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Where they differ

Corner of Berkshire & Fairfax (COBF)

Distinct strengths include:

  • Public discussion boards focused on Berkshire Hathaway, Fairfax Financial, general investing, books, and broader market conversations.
  • Members-only sections covering investment ideas, personal finance, strategies, real estate, wealth management, events, and more.
  • One-time lifetime membership fee of $49.99 USD, available through the site’s shop.
  • Private Members Room (also known as the COBF Zoom Room) reserved for paid members.

r/SecurityAnalysis — Letters Wiki

Distinct strengths include:

  • Chronological index of letters grouped by year and quarter (2016→present in the wiki).
  • Publicly readable wiki page with edit permissions restricted to approved users/moderators.
  • ‘Others’ section pointing to classic collections (e.g., Austin Value, Nomad Partnership, Peter Lynch).
  • Direct outbound links to the letters on manager sites; useful for primary-source research.

Feature-by-feature breakdown

AttributeCorner of Berkshire & Fairfax (COBF)r/SecurityAnalysis — Letters Wiki
Categories

Which research workflows each platform targets

Shared: Forums

Unique: Blogs

Shared: Forums

Unique: Education, Playbooks & Case Studies, Newsletters

Asset types

Supported asset classes and universes

Stocks

Other

Experience levels

Who each product is built for

Beginner, Intermediate, Advanced

Beginner, Intermediate, Advanced

Platforms

Where you can access the product

Web

Web

Pricing

High-level pricing models

Free, One-time

Free

Key features

Core capabilities called out by each vendor

Unique

  • Public discussion boards focused on Berkshire Hathaway, Fairfax Financial, general investing, books, and broader market conversations.
  • Members-only sections covering investment ideas, personal finance, strategies, real estate, wealth management, events, and more.
  • One-time lifetime membership fee of $49.99 USD, available through the site’s shop.
  • Private Members Room (also known as the COBF Zoom Room) reserved for paid members.
  • Podium section for blog-style, user-submitted articles, accessible via forum login.
  • Community features include periodic stock-picking competitions and contests.

Unique

  • Chronological index of letters grouped by year and quarter (2016→present in the wiki).
  • Publicly readable wiki page with edit permissions restricted to approved users/moderators.
  • ‘Others’ section pointing to classic collections (e.g., Austin Value, Nomad Partnership, Peter Lynch).
  • Direct outbound links to the letters on manager sites; useful for primary-source research.
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Frequently Asked Questions

Which workflows do Corner of Berkshire & Fairfax (COBF) and r/SecurityAnalysis — Letters Wiki both support?

Both platforms cover Forums workflows, so you can research those use cases in either tool before digging into the feature differences below.

Do Corner of Berkshire & Fairfax (COBF) and r/SecurityAnalysis — Letters Wiki require subscriptions?

Both Corner of Berkshire & Fairfax (COBF) and r/SecurityAnalysis — Letters Wiki keep freemium access with optional paid upgrades, so you can trial each platform before committing.

How can you access Corner of Berkshire & Fairfax (COBF) and r/SecurityAnalysis — Letters Wiki?

Both Corner of Berkshire & Fairfax (COBF) and r/SecurityAnalysis — Letters Wiki prioritize web or desktop access. Investors wanting a mobile-first workflow may need to rely on responsive web views.

What unique strengths set the two platforms apart?

Corner of Berkshire & Fairfax (COBF) differentiates itself with Public discussion boards focused on Berkshire Hathaway, Fairfax Financial, general investing, books, and broader market conversations., Members-only sections covering investment ideas, personal finance, strategies, real estate, wealth management, events, and more., and One-time lifetime membership fee of $49.99 USD, available through the site’s shop., whereas r/SecurityAnalysis — Letters Wiki stands out for Chronological index of letters grouped by year and quarter (2016→present in the wiki)., Publicly readable wiki page with edit permissions restricted to approved users/moderators., and ‘Others’ section pointing to classic collections (e.g., Austin Value, Nomad Partnership, Peter Lynch)..

Keep exploring

Curation & Accuracy

This directory blends AI‑assisted discovery with human curation. Entries are reviewed, edited, and organized with the goal of expanding coverage and sharpening quality over time. Your feedback helps steer improvements (because no single human can capture everything all at once).

Details change. Pricing, features, and availability may be incomplete or out of date. Treat listings as a starting point and verify on the provider’s site before making decisions. If you spot an error or a gap, send a quick note and I’ll adjust.