| 800% | “800%” | Opticians Charge Consumers 700% to 800% Markups on Prescription Lenses | David Senra | Jul 14, 2025 | — |
| 625% | “625%” | Dell's equity value increased over 625% in the eight years post-buyout. | David Senra | Apr 22, 2025 | Supported |
| 404% | “404%” | Nomad Investment Partnership Returned 404% Over Four Years After 2008 | David Senra | Sep 26, 2024 | Partly supported |
| 100% | “hundred percent” | Peterffy owned nearly 100% of Interactive Brokers prior to IPO | David Senra | Oct 5, 2025 | Supported |
| 100% | “hundred percent” | Ferrero Group generates $20B in annual revenue with zero outside debt | David Senra | Jun 24, 2025 | Partly supported |
| 100% | “hundred percent” | Naval: Total commitment yields massive outperformance in idea-driven domains | David Senra | Mar 8, 2025 | — |
| 100% | “hundred percent” | Michael Dell owned 100% of Dell before recruiting executive Lee Walker. | David Senra | Apr 22, 2025 | Supported |
| 100% | “hundred percent” | Munger: The historical eclipse rate of great civilizations is 100% | David Senra | Mar 2, 2024 | — |
| 99% | “99%” | Consistently avoiding stupidity over decades beats 99 percent of people | David Senra | Jan 8, 2026 | — |
| 99% | “99%” | MrBeast Memo: 99% of Movies and TV Shows Would Flop on YouTube | David Senra | Oct 15, 2024 | — |
| 99% | “99%” | 99% of Warren Buffett's Wealth Was Accumulated After Age 50 | David Senra | Apr 10, 2024 | Supported |
| 98% | “98%” | Dallas Cowboys Luxury Suite Occupancy Jumped From Six Suites to Over 95% | David Senra | Mar 3, 2025 | Partly supported |
| 90% | “90%” | Make decisions with 70 percent information because waiting for 90 is too slow | David Senra | May 21, 2025 | — |
| 90% | “90%” | Todd Graves Owns Over 90% of Raising Cane's, Worth Over $10B | David Senra | Apr 4, 2025 | Supported |
| 90% | “90%” | Senra: Todd Graves owns 90% of a $10B business growing 30% annually | David Senra | Apr 22, 2025 | Supported |
| 90% | “90%” | Rockefeller controlled 90% of US oil exports but could not dominate Russia | David Senra | Aug 19, 2024 | Supported |
| 90% | “90%” | Costco's Jim Sinegal: Leaders must spend 90% of their time teaching | David Senra | Jul 2, 2024 | — |
| 90% | “90%” | Bezos: Most decisions should be made with 70% of desired information | David Senra | Apr 8, 2024 | — |
| 90% | “90%” | David Senra discards over 90 percent of his podcast research notes | David Senra | Apr 5, 2024 | — |
| 90% | “90%” | Henry Singleton Repurchased 90% of Teledyne's Shares via Eight Tenders | David Senra | Aug 31, 2026 | Supported |
| 85% | “85%” | Ogilvy: Clients must optimize 85% media spend, not 15% agency fees | David Senra | Mar 24, 2024 | — |
| 80% | “80%” | SpaceX builds 80% of rocket hardware internally | David Senra | Mar 8, 2026 | Supported |
| 80% | “80%” | Federer won 80% of career matches despite winning only 54% of points | David Senra | Feb 19, 2026 | Supported |
| 80% | “80%” | Nvidia's stock fell 80% during its massive initial investment in CUDA | David Senra | Oct 19, 2025 | Supported |
| 80% | “80%” | Luxottica Fills 80% of Its Acquired Retail Stores With Its Own Frames | David Senra | Jul 14, 2025 | Supported |
| 80% | “80%” | Nvidia Stock Dropped Over 80 Percent Amid 2008 CUDA Expenditures | David Senra | Jan 14, 2025 | Supported |
| 80% | “80%” | Ortega believed full vertical integration could cut middle margins by 70-80% | David Senra | Dec 17, 2024 | — |
| 80% | “80%” | Independent Wildcatters Discover 80% of US Oil Despite Scavenging Incumbent Rejects | David Senra | Apr 25, 2024 | Partly supported |
| 80% | “80%” | Ogilvy: Headlines account for 80 percent of an advertisement's total value | David Senra | Mar 24, 2024 | — |
| 77% | “77%” | Physical Media Generated Over 70% of Amazon's Revenue in 2003 | David Senra | Apr 8, 2024 | Supported |
| 75% | “75%” | Michael Ovitz Captured 75% Talent Agency Market Share Within CAA’s First Decade | David Senra | Mar 14, 2025 | Contradicted |
| 75% | “75%” | CAA captured a 75% market share within its first 10 years | David Senra | Mar 21, 2025 | Contradicted |
| 75% | “75%” | MCA packaged TV shows and took up to 75% of production costs | David Senra | Mar 21, 2025 | — |
| 75% | “75%” | Ted Turner acquired a $1 million billboard company with zero cash down | David Senra | Apr 14, 2024 | Supported |
| 75% | “75%” | Chouinard Equipment held 75% climbing hardware share with little profit | David Senra | Mar 8, 2024 | Supported |
| 73% | “73%” | Michael Dell retained 73% ownership of Dell at its 1988 IPO. | David Senra | Apr 22, 2025 | Supported |
| 70% | “70%” | Seventy percent of Budapest was damaged during World War II | David Senra | Oct 5, 2025 | Supported |
| 70% | “70%” | Thomas Peterffy still owns nearly 70% of Interactive Brokers at age 81 | David Senra | Oct 5, 2025 | Supported |
| 70% | “70%” | Ferrero captured over 70% of the global chocolate hazelnut spread market | David Senra | Jun 24, 2025 | Partly supported |
| 70% | “70%” | Steve Jobs eliminated 70% of Apple's product roadmap upon returning in 1997 | David Senra | Aug 14, 2025 | — |
| 70% | “70%” | Make decisions with 70 percent information because waiting for 90 is too slow | David Senra | May 21, 2025 | — |
| 70% | “70%” | Sleep Concentrated Capital Into Three Stocks, Holding 70% in One | David Senra | Sep 26, 2024 | — |
| 70% | “70%” | Nick Sleep Sold Half His Amazon Stake at $1,500 in 2018 | David Senra | Sep 26, 2024 | Supported |
| 70% | “70%” | Bezos: Most decisions should be made with 70% of desired information | David Senra | Apr 8, 2024 | — |
| 70% | “70%” | Senra: Singleton Put Over 70% of Insurance Float in Five Stocks | David Senra | Aug 31, 2026 | Supported |
| 65% | “65%” | Standard Oil accounted for 65% of all Pennsylvania Railroad traffic | David Senra | Nov 17, 2025 | Partly supported |
| 65% | “65%” | Glock achieved 65% gross margins compared to rivals' 5 to 20% | David Senra | Mar 26, 2024 | Supported |
| 61% | “61%” | Charlie Munger's Fund Held 61% of Assets in Blue Chip Stamps | David Senra | Mar 2, 2024 | Supported |
| 60% | “60%” | Amancio Ortega Holds a $120B Net Worth and Owns 60% of Inditex | David Senra | Dec 17, 2024 | Supported |
| 55.9% | “55.9%” | Medallion gained 55.9% in 1990 after losing 4% in 1989 | David Senra | May 13, 2025 | Supported |
| 55% | “55%” | Getty's Saudi concession required $10.5M upfront, royalties, and 25% of profits | David Senra | Jul 9, 2024 | Supported |
| 54.2% | “54.2%” | 90 million Americans watched the live broadcast of Disneyland's 1955 opening | David Senra | May 14, 2024 | Supported |
| 54% | “54%” | Federer won 80% of career matches despite winning only 54% of points | David Senra | Feb 19, 2026 | Supported |
| 54% | “54%” | By 2023, the US held 54% of global commercial space launch revenues | David Senra | Nov 6, 2024 | Supported |
| 51% | “51%” | Cascading 51% stakes allow investors to control large companies with minimal capital | David Senra | Mar 5, 2024 | — |
| 50% | “50%” | Andrej Karpathy notes Elon Musk spends 50% of his time with engineers | David Senra | Mar 8, 2026 | Supported |
| 50% | “50%” | Water freight was 50% cheaper than rail for early oil refiners | David Senra | Nov 17, 2025 | — |
| 50% | “50%” | Ferrero products cost an average of 50% more than competing products | David Senra | Jun 24, 2025 | Partly supported |
| 50% | “50%” | Jimmy Choo sold his 50 percent brand stake for $8 million | David Senra | Jun 8, 2025 | Partly supported |
| 50% | “50%” | Jimmy Choo scaled to a $1.2 billion acquisition through sequential PE sales | David Senra | Jun 8, 2025 | Partly supported |
| 50% | “50%” | Del Vecchio Bought a US Distributor for $11M on $14M Revenue | David Senra | Jul 14, 2025 | Supported |
| 50% | “50%” | Les Schwab shared 50% of store profits with store employees | David Senra | Feb 26, 2025 | Supported |
| 50% | “50%” | James J. Hill raised an engineer's salary 50% for justified insubordination | David Senra | Nov 26, 2024 | Partly supported |
| 50% | “50%” | Tom Murphy Bought Back Nearly 50% Of Capital Cities' Outstanding Shares | David Senra | Apr 15, 2024 | Supported |
| 50% | “50%” | IBM Took a 50% Stake in Digital Domain for $15M | David Senra | Mar 29, 2024 | Supported |
| 50% | “50%” | LVMH shares dropped 50% following the October 1987 stock market crash | David Senra | Mar 5, 2024 | Supported |
| 50% | “50%” | Senra quotes Munger: Investors intolerant of 50% drawdowns get mediocre returns | David Senra | Mar 2, 2024 | — |
| 45% | “45%” | CUDA Investments Pushed Nvidia Gross Margins Down to 35 Percent | David Senra | Jan 14, 2025 | Supported |
| 42% | “42%” | Singleton's Stock Repurchases Generated a 42% CAGR for Teledyne Shareholders | David Senra | Aug 31, 2026 | Supported |
| 40% | “40%” | 1970s Wallenberg companies employed 40% of Sweden's industrial workforce | David Senra | Feb 24, 2025 | Supported |
| 40% | “40%” | 1920s Depletion Forecasts Dramatically Underestimated Future US Oil Production | David Senra | Apr 25, 2024 | Supported |
| 40% | “40%” | Berkshire's $1.3B Coca-Cola stake grew past $17B, yielding $528M annually | David Senra | Mar 2, 2024 | Supported |
| 37% | “37%” | Oakley Stock Fell 37% After Luxottica's Sunglass Hut Dropped Its Products | David Senra | Jul 14, 2025 | Supported |
| 36% | “36%” | Compaq operated at 36% cost of revenue compared to Dell's 18%. | David Senra | Apr 22, 2025 | Supported |
| 35% | “35%” | Nvidia's stock fell 80% during its massive initial investment in CUDA | David Senra | Oct 19, 2025 | Supported |
| 35% | “35%” | CUDA Investments Pushed Nvidia Gross Margins Down to 35 Percent | David Senra | Jan 14, 2025 | Supported |
| 33% | “33%” | Leonardo Del Vecchio Turned a €6,000 Stake Into €25 Billion | David Senra | Jul 14, 2025 | Supported |
| 30% | “30%” | Steve Jobs: A Startup's First Ten Hires Determine Its Success | David Senra | Jul 10, 2026 | — |
| 30% | “30%” | The FIA traded its 30% stake in F1 TV rights for $9M | David Senra | Jul 22, 2025 | Partly supported |
| 30% | “30%” | Atari founder Nolan Bushnell declined 30% of Apple for $50k | David Senra | Aug 14, 2025 | Supported |
| 30% | “30%” | CAA made over $30 million from packaging the movie Ghostbusters | David Senra | Mar 21, 2025 | — |
| 30% | “30%” | Senra: Todd Graves owns 90% of a $10B business growing 30% annually | David Senra | Apr 22, 2025 | Supported |
| 30% | “30%” | Costco Caps Product Markups at 15% Compared to 30% for Supermarkets | David Senra | Sep 26, 2024 | Supported |
| 30% | “30%” | Steve Jobs: A Startup's First Ten Hires Determine Its Success | David Senra | May 2, 2024 | — |
| 30% | “30%” | Steve Jobs: A Startup's First Ten Hires Determine Its Success | David Senra | Apr 18, 2024 | — |
| 30% | “30%” | Red Bull spends over 30% of gross revenue on advertising | David Senra | Apr 20, 2024 | Partly supported |
| 30% | “30%” | Dan Burke Cut ABC's TV Oversight Staff From 60 To Eight | David Senra | Apr 15, 2024 | Supported |
| 30% | “30%” | Steve Jobs: A startup's first 10 hires completely determine its success | David Senra | Apr 17, 2024 | — |
| 30% | “30%” | Gagosian made $15 million in a single night selling Cy Twombly paintings | David Senra | Apr 12, 2024 | Supported |
| 30% | “30%” | Senra: Atari founder Nolan Bushnell rejected 30% of Apple for $50,000 | David Senra | Mar 14, 2024 | Supported |
| 28% | “28%” | Claude Shannon averaged a 28% annual stock return over 30 years | David Senra | Aug 9, 2026 | Supported |
| 28% | “28%” | Patagonia was offered 28% interest financing from a Mafia connection | David Senra | Mar 8, 2024 | — |
| 25% | “25%” | Ellison Secured an $80M Loan from Nippon Steel to Avoid Dilution | David Senra | Nov 4, 2025 | Supported |
| 25% | “25%” | Getty's Saudi concession required $10.5M upfront, royalties, and 25% of profits | David Senra | Jul 9, 2024 | Supported |
| 25% | “25%” | Ivar Kreuger's companies comprised 25% of traded US securities in the 1920s | David Senra | Jul 3, 2024 | — |
| 25% | “25%” | Capital Cities' Major Acquisitions Each Equaled 25% Of Its Market Cap | David Senra | Apr 15, 2024 | Supported |
| 25% | “25%” | Munger's independent fund returned nearly 25% annually over 14 years | David Senra | Mar 2, 2024 | Supported |
| 25% | “25%” | Senra: Singleton Put Over 70% of Insurance Float in Five Stocks | David Senra | Aug 31, 2026 | Supported |
| 22.4% | “22.4%” | Capital Cities Generated 22.4% Returns Over 19 Years On $1.8B In Buybacks | David Senra | Apr 15, 2024 | Supported |
| 22% | “22%” | By 1987, Moët Hennessy's founding families controlled just 22% of equity | David Senra | Mar 5, 2024 | Supported |
| 20.4% | “20.4%” | Senra: Teledyne delivered 20.4% annual compound returns under Singleton | David Senra | Aug 31, 2026 | Supported |
| 20% | “20%” | Steve Jobs spent 20 percent of his time recruiting talent | David Senra | Aug 14, 2025 | — |
| 20% | “20%” | Working 20% less would not have hurt Michael Ovitz's career success | David Senra | Mar 21, 2025 | — |
| 20% | “20%” | Leon Hess acquired a 20 percent stake in the New York Jets for $250,000 | David Senra | Feb 26, 2025 | Supported |
| 20% | “20%” | Public auctions account for less than 20% of the global art market | David Senra | Apr 12, 2024 | Contradicted |
| 20% | “20%” | Glock achieved 65% gross margins compared to rivals' 5 to 20% | David Senra | Mar 26, 2024 | Supported |
| 18% | “18%” | Compaq operated at 36% cost of revenue compared to Dell's 18%. | David Senra | Apr 22, 2025 | Supported |
| 16.67% | “16.67%” | Canon Invested $100 Million in NeXT For 16.67% Stake | David Senra | Jun 4, 2026 | Supported |
| 16% | “16%” | Ross Perot Invested $20 Million in NeXT For a 16% Stake | David Senra | Jun 4, 2026 | Supported |
| 16% | “16%” | Amazon's 2008 holiday orders grew 16% while overall retail fell 10% | David Senra | Oct 15, 2024 | Supported |
| 15% | “15%” | Dietrich Mateschitz: Small price premiums fail to establish distinct product categories | David Senra | Nov 25, 2025 | — |
| 15% | “15%” | Berkshire refuses to sell businesses unless they drain cash endlessly | David Senra | Mar 8, 2025 | Supported |
| 15% | “15%” | Costco Caps Product Markups at 15% Compared to 30% for Supermarkets | David Senra | Sep 26, 2024 | Supported |
| 15% | “15%” | Mateschitz: Small Price Premiums Fail to Create Distinct Product Categories | David Senra | Apr 20, 2024 | — |
| 15% | “15%” | Ogilvy: Clients must optimize 85% media spend, not 15% agency fees | David Senra | Mar 24, 2024 | — |
| 14% | “14%” | Costco maintained standardized product markups of exactly 14 percent | David Senra | May 21, 2025 | Supported |
| 10% | “10%” | Steve Jobs: A Startup's First Ten Hires Determine Its Success | David Senra | Jul 10, 2026 | — |
| 10% | “10%” | Peterffy saved $80 million in banking fees through a Dutch auction IPO | David Senra | Oct 5, 2025 | Partly supported |
| 10% | “10%” | Rival F1 teams rejected Bernie Ecclestone's $100k offer for 10% TV rights | David Senra | Jul 22, 2025 | Supported |
| 10% | “10%” | Companies must always take bets offering a 10 percent chance of 100x payoffs | David Senra | May 21, 2025 | — |
| 10% | “10%” | Giorgio Armani Traded a Licensing Deal for 5% Equity in Luxottica | David Senra | Jul 14, 2025 | Partly supported |
| 10% | “10%” | Grinnell College bought 10% of Intel's initial private placement | David Senra | Mar 8, 2025 | Partly supported |
| 10% | “10%” | Working 10% Less Optimizes Executive Performance for the Long Term | David Senra | Mar 14, 2025 | — |
| 10% | “10%” | Working 20% less would not have hurt Michael Ovitz's career success | David Senra | Mar 21, 2025 | — |
| 10% | “10%” | CAA made over $30 million from packaging the movie Ghostbusters | David Senra | Mar 21, 2025 | — |
| 10% | “10%” | By 1885, American railroads generated twice the revenue of the federal government | David Senra | Jan 13, 2025 | Partly supported |
| 10% | “10%” | Railroad companies owned more than ten percent of all US land | David Senra | Nov 26, 2024 | Partly supported |
| 10% | “10%” | James J. Hill acquired a bankrupt railroad with just 10% down | David Senra | Nov 26, 2024 | Supported |
| 10% | “10%” | Amazon's 2008 holiday orders grew 16% while overall retail fell 10% | David Senra | Oct 15, 2024 | Supported |
| 10% | “10%” | Steve Jobs: A Startup's First Ten Hires Determine Its Success | David Senra | May 2, 2024 | — |
| 10% | “10%” | Steve Jobs: A Startup's First Ten Hires Determine Its Success | David Senra | Apr 18, 2024 | — |
| 10% | “10%” | Steve Jobs: A startup's first 10 hires determine whether it succeeds | David Senra | Apr 16, 2024 | — |
| 10% | “10%” | Steve Jobs: A startup's first 10 hires completely determine its success | David Senra | Apr 17, 2024 | — |
| 10% | “10%” | Directors at Gagosian Gallery earn 10% of the profit on art sales | David Senra | Apr 12, 2024 | Supported |
| 10% | “10%” | Jobs: Animation expenses require editing a film before making it | David Senra | Mar 14, 2024 | — |
| 10% | “10%” | Berkshire discovered See's Candies could raise prices 10% without losing customers | David Senra | Mar 2, 2024 | Supported |
| 10% | “10%” | The post-WWI US Shipping Board required only 10% down for surplus ships | David Senra | Feb 23, 2024 | Supported |
| 9.7% | “9.7%” | Hess Bought a $100 Million 9.7% Stake in Amerada Before Merging | David Senra | Feb 26, 2025 | Supported |
| 9% | “nine percent” | Sam Zell Earned a 3% Real Return Instantly Through Debt-Inflation Arbitrage | David Senra | Oct 19, 2023 | Not publicly verifiable |
| 7% | “seven percent” | James J. Hill acquired a bankrupt railroad with just 10% down | David Senra | Nov 26, 2024 | Supported |
| 6% | “six percent” | Coppola Directed The Godfather for $75,000 and 6% of Profits | David Senra | May 2, 2024 | Partly supported |
| 6% | “six percent” | Sam Zell Earned a 3% Real Return Instantly Through Debt-Inflation Arbitrage | David Senra | Oct 19, 2023 | Not publicly verifiable |
| 5.5% | “5.5%” | Spielberg earned over $40M from trading 2.5% of Close Encounters for Star Wars | David Senra | May 2, 2024 | Supported |
| 5% | “five percent” | Gates sold 5% of Microsoft for $1M solely for VC expertise | David Senra | Sep 24, 2025 | Supported |
| 5% | “five percent” | Giorgio Armani Traded a Licensing Deal for 5% Equity in Luxottica | David Senra | Jul 14, 2025 | Partly supported |
| 5% | “five percent” | Michael Jordan Receives a 5% Royalty on All Jordan Brand Sales | David Senra | Mar 8, 2025 | Supported |
| 5% | “five percent” | Cornelius Vanderbilt held five percent of the entire US money supply at death | David Senra | Apr 28, 2024 | Supported |
| 5% | “five percent” | Michael Jordan's 5% Nike royalty will generate $300 million in 2024 | David Senra | Apr 27, 2024 | Supported |
| 5% | “five percent” | Munger: Almost everyone underestimates how incentives drive behavior | David Senra | Apr 16, 2024 | — |
| 4% | “four percent” | Medallion gained 55.9% in 1990 after losing 4% in 1989 | David Senra | May 13, 2025 | Supported |
| 3.1% | “3.1%” | Online retail made up just 3.1% of US sales in 2006 | David Senra | Oct 15, 2024 | Open |
| 3% | “three percent” | Mark Zuckerberg Spent $3.5 Billion for a 3% Stake in EssilorLuxottica | David Senra | Jul 14, 2025 | Supported |
| 3% | “three percent” | CAA made over $30 million from packaging the movie Ghostbusters | David Senra | Mar 21, 2025 | — |
| 3% | “three percent” | Sam Zell Earned a 3% Real Return Instantly Through Debt-Inflation Arbitrage | David Senra | Oct 19, 2023 | Not publicly verifiable |
| 2.5% | “2.5%” | Spielberg earned over $40M from trading 2.5% of Close Encounters for Star Wars | David Senra | May 2, 2024 | Supported |
| 2% | “two percent” | Raw materials make up just 2% of a traditional rocket's price | David Senra | Mar 8, 2026 | Supported |
| 2% | “two percent” | Dietrich Mateschitz and Chaleo Yoovidhya each invested $500,000 to found Red Bull | David Senra | Nov 25, 2025 | Supported |
| 2% | “two percent” | Steven Spielberg Receives 2% of Universal Studios Global Ticket Sales | David Senra | Mar 8, 2025 | Partly supported |
| 2% | “two percent” | Hetty Green lent New York City $1 million at a below-market rate | David Senra | Jan 13, 2025 | Supported |
| 2% | “two percent” | Red Bull was founded with $500K investments and a 49/49 equity split | David Senra | Apr 20, 2024 | Supported |
| 1% | “one percent” | Zara Spends Less Than 1% of Its Revenue on Marketing | David Senra | Dec 17, 2024 | Supported |
| 1% | “a percent” | The McDonald brothers' original buyout contract guaranteed 0.5% of all future sales | David Senra | Apr 17, 2024 | Supported |
| 1% | “one percent” | Senra: Chouinard Equipment operated at a one percent profit margin | David Senra | Mar 8, 2024 | Supported |
| 0.5% | “half percent” | Hetty Green lent New York City $1 million at a below-market rate | David Senra | Jan 13, 2025 | Supported |
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