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  1. The Investor's Podcast (We Study Billionaires) - The Investor’s Podcast Network
  2. TIP807: Portfolio Review: Analyzing Holdings and Watchlist Companies for 2026 w/ Daniel Mahncke, Shawn O'Malley, & Kyle Grieve
TIP807: Portfolio Review: Analyzing Holdings and Watchlist Companies for 2026 w/ Daniel Mahncke, Shawn O'Malley, & Kyle Grieve

TIP807: Portfolio Review: Analyzing Holdings and Watchlist Companies for 2026 w/ Daniel Mahncke, Shawn O'Malley, & Kyle Grieve

The Investor's Podcast (We Study Billionaires) - The Investor’s Podcast Network · Apr 16, 2026

Portfolio Review: Analyzing holdings like Exor & Airbnb, selling Copart & TransDigm for Amazon, and reviewing watchlist stocks FICO & Trade Desk.

Investors Should Sell Good Companies to Concentrate Capital in Great Ones

The hosts advocate selling smaller positions in strong businesses like TransDigm and Copart to increase their stake in a higher-conviction holding like Amazon. This simplifies the portfolio and focuses research efforts on their best ideas, rather than managing marginal positions.

TIP807: Portfolio Review: Analyzing Holdings and Watchlist Companies for 2026 w/ Daniel Mahncke, Shawn O'Malley, & Kyle Grieve thumbnail

TIP807: Portfolio Review: Analyzing Holdings and Watchlist Companies for 2026 w/ Daniel Mahncke, Shawn O'Malley, & Kyle Grieve

The Investor's Podcast (We Study Billionaires) - The Investor’s Podcast Network·10 hours ago

Reddit’s Value Is in Anonymous Interest Data, Not Personal Identity

Unlike Facebook, which knows who you are, Reddit knows what you are interested in. Its platform is built on anonymous, topic-based communities. This allows for powerful contextual advertising that targets user interests at the moment of discussion, rather than relying on personal data.

TIP807: Portfolio Review: Analyzing Holdings and Watchlist Companies for 2026 w/ Daniel Mahncke, Shawn O'Malley, & Kyle Grieve thumbnail

TIP807: Portfolio Review: Analyzing Holdings and Watchlist Companies for 2026 w/ Daniel Mahncke, Shawn O'Malley, & Kyle Grieve

The Investor's Podcast (We Study Billionaires) - The Investor’s Podcast Network·10 hours ago

TransDigm's Monopoly Stems From Irreplaceable FAA-Certified Aircraft Parts

Once a TransDigm part is certified for a specific aircraft model, it cannot be substituted for the plane's entire 30-50 year lifespan. This regulatory lock-in creates hundreds of mini-monopolies, giving TransDigm immense and durable pricing power on replacement parts.

TIP807: Portfolio Review: Analyzing Holdings and Watchlist Companies for 2026 w/ Daniel Mahncke, Shawn O'Malley, & Kyle Grieve thumbnail

TIP807: Portfolio Review: Analyzing Holdings and Watchlist Companies for 2026 w/ Daniel Mahncke, Shawn O'Malley, & Kyle Grieve

The Investor's Podcast (We Study Billionaires) - The Investor’s Podcast Network·10 hours ago

Holding Company Exor Offers a 60% Discount on Its Ferrari Stake

Exor, a holding company, trades at a 60% discount to its net asset value (NAV). Its stake in Ferrari alone is worth nearly its entire market capitalization, meaning investors effectively acquire its other holdings (like Stellantis and The Economist) for free.

TIP807: Portfolio Review: Analyzing Holdings and Watchlist Companies for 2026 w/ Daniel Mahncke, Shawn O'Malley, & Kyle Grieve thumbnail

TIP807: Portfolio Review: Analyzing Holdings and Watchlist Companies for 2026 w/ Daniel Mahncke, Shawn O'Malley, & Kyle Grieve

The Investor's Podcast (We Study Billionaires) - The Investor’s Podcast Network·10 hours ago

Holding a Winning Stock Is a Form of Active Capital Allocation

Exor CEO John Elkann's decision to hold onto the company's Ferrari stake through market crises is a crucial, often overlooked, form of capital allocation discipline. Many managers fail by diversifying away from their best assets, whereas holding demonstrates conviction.

TIP807: Portfolio Review: Analyzing Holdings and Watchlist Companies for 2026 w/ Daniel Mahncke, Shawn O'Malley, & Kyle Grieve thumbnail

TIP807: Portfolio Review: Analyzing Holdings and Watchlist Companies for 2026 w/ Daniel Mahncke, Shawn O'Malley, & Kyle Grieve

The Investor's Podcast (We Study Billionaires) - The Investor’s Podcast Network·10 hours ago

Music Labels Outsource Their Pricing Power to Streaming Platforms

When services like Spotify or Apple Music increase subscription prices, music labels such as Universal Music Group automatically get a percentage of that increased revenue. This creates a unique form of pricing power that is executed by a third party, delivering higher revenue at virtually zero marginal cost.

TIP807: Portfolio Review: Analyzing Holdings and Watchlist Companies for 2026 w/ Daniel Mahncke, Shawn O'Malley, & Kyle Grieve thumbnail

TIP807: Portfolio Review: Analyzing Holdings and Watchlist Companies for 2026 w/ Daniel Mahncke, Shawn O'Malley, & Kyle Grieve

The Investor's Podcast (We Study Billionaires) - The Investor’s Podcast Network·10 hours ago

Supply Exclusivity is Airbnb's Underappreciated Moat

A large portion of Airbnb's hosts are individuals with single properties who find managing listings across multiple platforms too complex. They stick exclusively to Airbnb's user-friendly interface, creating a unique inventory of properties that cannot be found on competing sites like Vrbo or Booking.com.

TIP807: Portfolio Review: Analyzing Holdings and Watchlist Companies for 2026 w/ Daniel Mahncke, Shawn O'Malley, & Kyle Grieve thumbnail

TIP807: Portfolio Review: Analyzing Holdings and Watchlist Companies for 2026 w/ Daniel Mahncke, Shawn O'Malley, & Kyle Grieve

The Investor's Podcast (We Study Billionaires) - The Investor’s Podcast Network·10 hours ago

High Cost of Grounded Aircraft Justifies TransDigm's Premium Parts Prices

An airline can lose $15,000 to $50,000 in revenue per day from a single grounded aircraft. This makes paying a high price for a TransDigm replacement part that ensures quick return to service an economically rational decision, despite eye-watering margins for the supplier.

TIP807: Portfolio Review: Analyzing Holdings and Watchlist Companies for 2026 w/ Daniel Mahncke, Shawn O'Malley, & Kyle Grieve thumbnail

TIP807: Portfolio Review: Analyzing Holdings and Watchlist Companies for 2026 w/ Daniel Mahncke, Shawn O'Malley, & Kyle Grieve

The Investor's Podcast (We Study Billionaires) - The Investor’s Podcast Network·10 hours ago

Airbnb Expanded the Travel Market Rather Than Just Stealing Hotel Share

By enabling stays in unique locations where hotels don't exist, Airbnb genuinely grew the total addressable market for travel. It unlocked trips people would not have otherwise taken, fundamentally changing travel behavior rather than simply offering a substitute for hotels.

TIP807: Portfolio Review: Analyzing Holdings and Watchlist Companies for 2026 w/ Daniel Mahncke, Shawn O'Malley, & Kyle Grieve thumbnail

TIP807: Portfolio Review: Analyzing Holdings and Watchlist Companies for 2026 w/ Daniel Mahncke, Shawn O'Malley, & Kyle Grieve

The Investor's Podcast (We Study Billionaires) - The Investor’s Podcast Network·10 hours ago

FICO's Aggressive Price Hikes Invited Regulatory Scrutiny That Broke Its Monopoly

FICO's extreme price increases for its credit scores attracted political and regulatory attention. This led to regulators approving a competing model, VantageScore, for government-backed mortgages, shattering FICO's decades-long exclusive mandate and creating a permanent competitive risk.

TIP807: Portfolio Review: Analyzing Holdings and Watchlist Companies for 2026 w/ Daniel Mahncke, Shawn O'Malley, & Kyle Grieve thumbnail

TIP807: Portfolio Review: Analyzing Holdings and Watchlist Companies for 2026 w/ Daniel Mahncke, Shawn O'Malley, & Kyle Grieve

The Investor's Podcast (We Study Billionaires) - The Investor’s Podcast Network·10 hours ago

Backward Compatibility Transforms Gaming Hardware Into a Sticky Software Ecosystem

By making new consoles like the Switch 2 compatible with old games, Nintendo avoids losing its entire user base with each hardware cycle. This transforms a transactional product business into a durable ecosystem, allowing for continuous monetization of its 130M+ user base through software sales.

TIP807: Portfolio Review: Analyzing Holdings and Watchlist Companies for 2026 w/ Daniel Mahncke, Shawn O'Malley, & Kyle Grieve thumbnail

TIP807: Portfolio Review: Analyzing Holdings and Watchlist Companies for 2026 w/ Daniel Mahncke, Shawn O'Malley, & Kyle Grieve

The Investor's Podcast (We Study Billionaires) - The Investor’s Podcast Network·10 hours ago

A Falling Stock Isn't Cheaper if Intrinsic Value Also Declines

Despite Trade Desk's stock price falling 85%, it may not be a bargain. The hosts argue that its intrinsic value has also decreased due to deteriorating relationships with key advertising agencies. The investment case is weaker, meaning the lower price simply reflects a less valuable business.

TIP807: Portfolio Review: Analyzing Holdings and Watchlist Companies for 2026 w/ Daniel Mahncke, Shawn O'Malley, & Kyle Grieve thumbnail

TIP807: Portfolio Review: Analyzing Holdings and Watchlist Companies for 2026 w/ Daniel Mahncke, Shawn O'Malley, & Kyle Grieve

The Investor's Podcast (We Study Billionaires) - The Investor’s Podcast Network·10 hours ago

Anonymity Makes Reddit a Valuable Human Data Source for Training AI

Because Reddit users are anonymous and lack incentives to post AI-generated content, its 20-year archive represents one of the largest caches of authentic human interaction. This makes its data uniquely valuable for training Large Language Models (LLMs) as the rest of the internet fills with AI content.

TIP807: Portfolio Review: Analyzing Holdings and Watchlist Companies for 2026 w/ Daniel Mahncke, Shawn O'Malley, & Kyle Grieve thumbnail

TIP807: Portfolio Review: Analyzing Holdings and Watchlist Companies for 2026 w/ Daniel Mahncke, Shawn O'Malley, & Kyle Grieve

The Investor's Podcast (We Study Billionaires) - The Investor’s Podcast Network·10 hours ago

Airbnb's Direct Traffic Creates a Moat Against Paying the 'Google Tax'

Unlike competitors like Booking.com that heavily rely on paid Google search ads, Airbnb's strong brand drives a high volume of direct traffic. This user habit reduces customer acquisition costs and insulates the business from changes in search algorithms or the rise of AI-driven travel planning.

TIP807: Portfolio Review: Analyzing Holdings and Watchlist Companies for 2026 w/ Daniel Mahncke, Shawn O'Malley, & Kyle Grieve thumbnail

TIP807: Portfolio Review: Analyzing Holdings and Watchlist Companies for 2026 w/ Daniel Mahncke, Shawn O'Malley, & Kyle Grieve

The Investor's Podcast (We Study Billionaires) - The Investor’s Podcast Network·10 hours ago

Social Media Virality Gives Old Music Catalogs Unpredictable Long-Tail Value

A viral TikTok video can propel a 50-year-old song back onto the charts, generating new royalty streams for rights holders like Universal Music Group. This phenomenon creates perpetual, unpredictable optionality across a music catalog, making older assets potentially more valuable over time.

TIP807: Portfolio Review: Analyzing Holdings and Watchlist Companies for 2026 w/ Daniel Mahncke, Shawn O'Malley, & Kyle Grieve thumbnail

TIP807: Portfolio Review: Analyzing Holdings and Watchlist Companies for 2026 w/ Daniel Mahncke, Shawn O'Malley, & Kyle Grieve

The Investor's Podcast (We Study Billionaires) - The Investor’s Podcast Network·10 hours ago