The Ledger

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why aren't all 836 resolved? a statement only gets an assessment when the public record can support or contradict it. opinions and what-ifs never can, and 0 checkable ones are still open, waiting for their date. predictions held up or didn't; assertions are supported or contradicted. on every card: ▮▮▮▮▮ certainty · ▮▮▮▮▮ debate potential. speakers are clickable

Assertion Supported
Bezos: Amazon's Metrics Improved Rapidly While Its Stock Crashed to $6
“I watched the stock fall from 113 dollars to six, but I was also watching all of our internal business metrics, numbers of customers, profit per unit. Every single thing about the business was getting better and fast, even as the stock was dropping.”
David Senra Mar 8, 2025 ▶ 31:38 400 Pages of Warren Buffett and Charlie Munger In Their Own Words
Assertion Supported
Buffett Bought Disney Stock at 31 Cents and Sold at 48 Cents
“Buffett bought Disney stock after meeting Walt Disney in 1966. He paid 31 cents a share. And sold when the stock went to a 48 cents a share.”
David Senra Mar 8, 2025 ▶ 59:08 400 Pages of Warren Buffett and Charlie Munger In Their Own Words
Assertion Supported
NFL Rules Originally Exempted Luxury Suite Revenues From League-Wide Sharing
“According to the NFL rules revenues from the boxes are not shared with other NFL owners the way ticket revenues are.”
David Senra Mar 3, 2025 ▶ 52:17 The Life Story of Jerry Jones: Owner of The Dallas Cowboys
Assertion Supported
Jerry Jones Fired Head Coach Jimmy Johnson After Winning Two Super Bowls
“He winds up firing his friend and his coach after Jimmy Johnson won the second Superbowl and he winds up hiring another one of his friends. It's getting Barry Switzer who lasts a little bit longer, but he was more comfortable playing like a number two role.”
David Senra Mar 3, 2025 ▶ 56:49 The Life Story of Jerry Jones: Owner of The Dallas Cowboys
Assertion Supported
Hess bypassed US shipping laws while simultaneously collecting domestic refinery subsidies
“So the refinery is able to secure foreign refiner status, which allows it to circumvent federal rules that require the use of higher cost U.S. Flagged vessels. When shipping oil to the East coast, while simultaneously at the same time, also receiving subsidies…”
David Senra Feb 26, 2025 ▶ 26:09 The Last Oil Baron: Leon Hess
Assertion Supported
1970s Wallenberg companies employed 40% of Sweden's industrial workforce
“MW's impact on Swedish industry was so substantial that during the 19 seventies, Wallenberg family businesses employed about 40%, a single family, employed about 40% of Sweden's industrial workforce and represented 40% of the total worth of the stock market in…”
David Senra Feb 24, 2025 ▶ 30:08 The Wallenberg Family Dynasty
Assertion Supported
Don Valentine Backed Nvidia While Threatening to Kill Jensen Huang
“And yet the end of the meeting, Sequoia decides to invest. And there's a great quote on Don Valentine in this. He goes, against my better judgment, based on what you just told me, obviously it's a crappy pitch. I'm going to give you my money. But if you lose m…”
David Senra Jan 14, 2025 ▶ 19:51 How Jensen Thinks
Assertion Supported
Jensen Huang Rejected Board Recommendations to Hire a COO
“He's insistent on a flat structure says he steadfastly refused to change his management philosophy. Even when new board members joined and recommended that he hired chief operating officer to reduce his administrative burden. No, thanks. He replied.”
David Senra Jan 14, 2025 ▶ 37:34 How Jensen Thinks
Assertion Supported
Huang reprimanded staff who based goals on competitors or past performance
“Jensen would reprimand subordinates who set goals. I referred to what the company had already done before, or what the competitors were doing at that moment. As he saw it, he needed to prevent that kind of eternal rot. That he observed at other companies.”
David Senra Jan 14, 2025 ▶ 48:09 How Jensen Thinks
Assertion Supported
Nvidia Used Simultaneous Design Teams to Ship Chips Every Six Months
“NVIDIA would split the design team into three groups. The first would design a new chip architecture while the other two worked in parallel to the first to develop faster derivatives Based on the new chip. What is that? Why? Why would you do that? Because this…”
David Senra Jan 14, 2025 ▶ 54:49 How Jensen Thinks
Assertion Supported
Nvidia Repackaged Flawed High-End Chips to Defend Against Low-End Competitors
“Jensen saw that Nvidia could stop throwing away parts that failed quality tests. They failed quality tests. If you're building a Ferrari, but not if you're building, you know, a Ford fusion, right? So true. These parts were not suitable for the company's Ferra…”
David Senra Jan 14, 2025 ▶ 1:16:51 How Jensen Thinks
Assertion Supported
Hetty Green bailed out New York City multiple times
“So on more than one occasion, Hedy as a single individual bailed out the city of New York.”
David Senra Jan 13, 2025 ▶ 4:31 The Richest Woman In America: Hetty Green
Assertion Supported
Hetty Green built a $100 million fortune by only investing trust income
“She's going to become the richest woman in America and maybe the richest woman, self-made woman in a, in the world, not by investing the principle of her family's fortune, but by investing the investment income. She turned, she's going to turn a yearly cash fl…”
David Senra Jan 13, 2025 ▶ 20:46 The Richest Woman In America: Hetty Green
Assertion Supported
Brad Jacobs sold his road rental businesses at a $500M loss
“We ended up selling those road rental companies at about a half a billion dollar loss because it was the best way forward under those circumstances.”
David Senra Dec 19, 2024 ▶ 58:58 Breakfast with Brad Jacobs + How To Make A Few Billion Dollars
Assertion Supported
XPO's contrarian $2B stock buyback generated a $4B profit
“A couple of years later, those two billion dollars of shares we brought back, we bought back, ended up being worth six Billion dollars, giving them a profit on that one transaction of four billion dollars.”
David Senra Dec 19, 2024 ▶ 1:01:28 Breakfast with Brad Jacobs + How To Make A Few Billion Dollars
Assertion Supported
United Rentals reached $1B revenue in thirteen months; Hertz took 37 years
“Hertz did this, and they built up a national equipment rental chain to about a billion dollars of annual revenue over the course of 37 years. United Rentals did that in 13 months.”
David Senra Dec 19, 2024 ▶ 1:20:00 Breakfast with Brad Jacobs + How To Make A Few Billion Dollars
Assertion Supported
Zara Takes Under 15 Days From Trend Detection to Store Hangers
“Zara's main advantage is an astonishing ability to detect fashion trends, assimilate them, make them a reality on the hanger at a bargain price inside of a store that's conveniently located all in less than 15 days.”
David Senra Dec 17, 2024 ▶ 21:13 Amancio Ortega: The Genius Behind The Inditex Group
Assertion Supported
Senra: Over half of Zara's production comes from proximity manufacturing
“So Zara also produces in those countries, but more than half of Zara's production comes from what they call proximity.”
David Senra Dec 17, 2024 ▶ 28:58 Amancio Ortega: The Genius Behind The Inditex Group
Assertion Supported
Inditex Almost Acquired Sephora Before LVMH Bought It
“They almost bought Sephora before LVMH buys it.”
David Senra Dec 17, 2024 ▶ 43:43 Amancio Ortega: The Genius Behind The Inditex Group
Assertion Supported
American railroads generated twice the US federal government's revenue by 1885
“So by 1885, railroads brought in twice the revenue than the federal government did.”
David Senra Nov 26, 2024 ▶ 19:17 James J. Hill: The Empire Builder
Assertion Supported
James J. Hill turned a bankrupt railroad highly profitable within one year
“The line showed net profits by the end of the year, well above 500,000 dollars. That is an 1878 dollars.”
David Senra Nov 26, 2024 ▶ 34:47 James J. Hill: The Empire Builder
Assertion Supported
Legacy aerospace launch contracts billed the government for delays plus a fee
“When the military awarded a national security launch contract to Lockheed or Boeing, they signed a cost plus agreement where any delays were billed to the government. Plus a fee.”
David Senra Nov 6, 2024 ▶ 33:34 Elon Musk and The Early Days of SpaceX
Assertion Supported
By 2023, the US held 54% of global commercial space launch revenues
“In 2023, the U S had a 54% share of global commercial launch revenues with space X's Falcon nine responsible for the bulk of these.”
David Senra Nov 6, 2024 ▶ 46:06 Elon Musk and The Early Days of SpaceX
Assertion Supported
SpaceX offered $6M orbital rocket launches while competitors charged $26M to $28M
“At this time it would cost between 26 and twenty eight million dollars per launch. SpaceX winds up being able to do this for six million dollars.”
David Senra Nov 6, 2024 ▶ 46:51 Elon Musk and The Early Days of SpaceX
Assertion Supported
Nomad Investment Partnership Made Around $2 Billion for Clients
“Nomad was not a particularly large fund, but over the years, it did make around two billion dollars for its clients, which were predominantly charities and educational endowments.”
David Senra Oct 15, 2024 ▶ 0:44 Nick Sleep's Letters: The Full Collection of the Nomad Investment Partnership Letters
Assertion Supported
Nomad Investment Partnership Generated a 10x Return Over 14 Years
“Over about 14 years, They wind up 10 X-ing the money.”
David Senra Sep 26, 2024 ▶ 2:18 Nick & Zak’s Excellent Adventure: How Nick Sleep & Qais Zakaria Built Their Partnership
Assertion Supported
Sleep and Zakaria Barred Broker Sales Calls for Independent Research
“Nick and Zach told stockbrokers that it was pointless calling them with sales pitches since they relied on their own research to reach independent conclusions.”
David Senra Sep 26, 2024 ▶ 13:26 Nick & Zak’s Excellent Adventure: How Nick Sleep & Qais Zakaria Built Their Partnership
Assertion Supported
Nomad Dissolved in 2014 With $3 Billion in Assets Under Management
“In early 2014, Nick and Zach dissolved the Nomad investment partnership. By then, it had grown to about three billion dollars in assets. I think it made two billion dollars for its investors.”
David Senra Sep 26, 2024 ▶ 39:09 Nick & Zak’s Excellent Adventure: How Nick Sleep & Qais Zakaria Built Their Partnership
Assertion Supported
Buffett: Munger pushed me beyond Benjamin Graham's cheap-stock philosophy
“Buffett said, Benjamin Graham taught me only to buy cheap stocks. Charlie allowed me to change my thinking. That's the real impact Charlie's had on me. I needed a powerful force to walk out of the limitations imposed by Graham's theories. Charlie's ideas were …”
David Senra Sep 25, 2024 ▶ 5:39 Li Lu and Charlie Munger and Warren Buffett
Assertion Supported
Munger turned a single Barron's insight into $400M via Li Lu
“Reading Barron's magazine for 50 years made him like four hundred million dollars, and he described why, because he's like, I read Barron's magazine for 50 years, the entire 50 years that I read Barron's magazine, I found one actionable insight that I could ac…”
David Senra Sep 25, 2024 ▶ 21:39 Li Lu and Charlie Munger and Warren Buffett
Assertion Supported
Li Lu: Timberland stock appreciated 7x in two years after concentrated bet
“I put a shitload on them. And over the next two years, the damn thing went up seven times.”
David Senra Sep 25, 2024 ▶ 32:18 Li Lu and Charlie Munger and Warren Buffett
Assertion Supported
Li Lu was the only outside manager trusted with Munger family money
“In 95 years, I have given Munger family money to an outsider to run once. Once in 95 years, and that is Li Lu.”
David Senra Sep 25, 2024 ▶ 43:20 Li Lu and Charlie Munger and Warren Buffett
Assertion Supported
Buffett and Munger's biggest investment ideas generated 10,000x returns
“And he says their biggest ideas, meaning Munger and Buffett's, their biggest ideas really gave them 10,000 times their money.”
David Senra Sep 25, 2024 ▶ 45:13 Li Lu and Charlie Munger and Warren Buffett
Assertion Supported
Disney's growth under Michael Eisner was largely driven by price hikes
“Disney found that it could raise prices a lot for the Disney parks and attendance stayed right up. So a lot of the great record of Eisner and Wells came just from raising prices at Disneyland and Disney World”
David Senra Sep 25, 2024 ▶ 51:47 Li Lu and Charlie Munger and Warren Buffett
Assertion Supported
Two-thirds of top 50 US companies disappear within 40 years
“Look at the top 50 companies in America every 10 years. By the time 20 or 40 years go by, two thirds of them are gone. By the time it goes to a hundred years, there might be only a couple left.”
David Senra Sep 25, 2024 ▶ 58:33 Li Lu and Charlie Munger and Warren Buffett
Assertion Supported
BYD raised only $300k pre-IPO before reaching $7B in revenue
“The founder only raised 300,000 in venture capital before the IPO. He raised money in an IPO and then Buffett gave him two hundred million dollars. And so at this point they had 160,000 employees, six to seven billion in revenue and five hundred million in net…”
David Senra Sep 25, 2024 ▶ 1:00:11 Li Lu and Charlie Munger and Warren Buffett
Assertion Supported
Li Lu spends zero time studying other investors
“I don't spend my time studying other investors. We spend our time studying industries and studying specific companies.”
David Senra Sep 25, 2024 ▶ 1:15:48 Li Lu and Charlie Munger and Warren Buffett
Assertion Supported
During the Great Depression, public shares traded at 1/20th of asset value
“There were shares selling for as little as a 20th. Of their net underlying asset value. That means anyone who purchased them was in effect buying 20 dollars for every dollar he spent.”
David Senra Jul 9, 2024 ▶ 41:03 J. Paul Getty: The Richest Private Citizen in America
Assertion Supported
Steve Jobs originally wanted to name the iMac the 'MacMan'
“Ken Sego, the author. He's the one that came up with the name iMac. And thank God he did, because you know what Steve wanted to call the iMac before it was called iMac? He wanted to call the iMac Mac Man.”
David Senra Jul 2, 2024 ▶ 21:51 How Steve Jobs Kept Things Simple
Assertion Supported
Quant Pioneer Ed Thorp Discovered Bernie Madoff's Ponzi Scheme in 1991
“Back in 1991, Ed Thorpe was doing research for a friend of his, and he discovered, he was one of the first people to discover the Bernie Madoff Ponzi scheme.”
David Senra May 15, 2024 ▶ 44:20 The Financial Genius Behind A Century of Wall Street Scandals: Ivar Kreuger
Assertion Supported
Kreuger Used a Fake Foot-Pedal Phone to Stage Calls With Mussolini
“The middle phone was fake. It was a non-working phone that Ivar could cause to ring by stepping on a button under the desk. He used it for two purposes. One, if you're visiting him and he wants to get you out of there, he'll, he'll step on the button. It rings…”
David Senra May 15, 2024 ▶ 55:19 The Financial Genius Behind A Century of Wall Street Scandals: Ivar Kreuger
Assertion Supported
Kreuger Hired Movie Extras to Pose as Ambassadors for Percy Rockefeller
“That evening he threw a lavish party and introduced Rockefeller to numerous ambassadors. And I put ambassadors in quotation marks, ambassadors from various countries. Who actually were movie extras that he had hired for the night.”
David Senra May 15, 2024 ▶ 56:06 The Financial Genius Behind A Century of Wall Street Scandals: Ivar Kreuger
Assertion Supported
Walt Disney used film set designers instead of conventional architects
“Disney's buildings would not be the work of architects. They would be the work of set designers. His studio people would have to do it.”
David Senra May 14, 2024 ▶ 26:03 How Walt Disney Built His Greatest Creation: Disneyland
Assertion Supported
Walt Disney broke park conventions by subordinating rides to storytelling
“Most amusement parks wanted all the street visibility they could get. Walt's entire park would be hidden from the outside world by landscaping. Walt was talking about customized rides, exhibits, and attractions instead of the standard off-the-shelf Ferris whee…”
David Senra May 14, 2024 ▶ 28:38 How Walt Disney Built His Greatest Creation: Disneyland
Assertion Supported
Walt Disney refused to allow formal organizational charts
“Disney did not want any formal organizational chart. He actually says multiple times, I don't ever want to see an organizational chart.”
David Senra May 14, 2024 ▶ 50:05 How Walt Disney Built His Greatest Creation: Disneyland
Assertion Supported
Steve Jobs Hired an Interior Designer as NeXT's 9th or 10th Employee
“Steve Jobs, one of the ninth employee, if I remember correctly, ninth or 10th employee at Next was an interior designer for the office.”
David Senra May 2, 2024 ▶ 51:05 The Biography of George Lucas
Assertion Supported
George Lucas Made Three Times More Money on Toys Than Films
“Lucas makes three times the amount of toys as he does on the films and the films, they make billions and billions of dollars.”
David Senra May 2, 2024 ▶ 1:16:50 The Biography of George Lucas
Assertion Supported
Spielberg earned over $40M from trading 2.5% of Close Encounters for Star Wars
“And so Spielberg gave Lucas 2.5% of Close Encounters of the Third Kind. Lucas gave Spielberg 2.5% of Star Wars. And it says this two 5.5% would earn Spielberg more than forty million dollars over the next four decades.”
David Senra May 2, 2024 ▶ 1:30:39 The Biography of George Lucas
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