@KateClarkTweets

Following the money. Reporter @WSJ. Signal: kateclark.77

 New York, NY
Joined February 2013
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It’s my first day at The Wall Street Journal covering startups, VC, AI and more. Confidential tips welcome: [email protected] | Signal: 415-409-9095.
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One of Anthropic’s earliest investors, Jaan Tallinn dances hip-hop and warns about “racing to build a technology that could end humanity.” on.wsj.com/4zjT98T

He’s Completely Terrified of AI—and He’s About to Make Billions Off It

One of Anthropic’s earliest investors, Jaan Tallinn dances hip-hop and warns about “racing to build a technology that could end humanity.”

wsj.com
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Jessica Toonkel
@jtoonkel
Sep 24
Bizarre scoop alert: wsj.com/business/hospitality… w/@CaraRLombardo

Exclusive | MGM Resorts Eyeing Bid for Barry Diller’s People Incorporated

The billionaire’s company, which has a stake in MGM, also owns titles including Food & Wine magazine.

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New - Jeff Bezos has invested $30 billion in Blue Origin over more than a quarter century. The co has raised its first outside funds in a round that includes $2 billion from Bezos, and values the company at $140 billion. @WSJ wsj.com/business/jeff-bezos-…

Exclusive | Jeff Bezos’ Blue Origin Is Fueled With $30 Billion of His Fortune

The space company wants to rapidly boost revenue over the next few years, betting its huge rockets will make it a powerful industry player.

wsj.com
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Kate Clark retweeted
Katherine Long
@ByKLong
Sep 24
NEW from @KevinTDugan: New York, one of the largest markets for gambling in the U.S., escalated its fight against prediction markets Thursday by suing Polymarket’s domestic arm, alleging that the bet-on-nearly-everything site was illegally running a gambling operation. wsj.com/us-news/law/ny-sues-…

NY Sues Polymarket in Escalating Crackdown on Prediction Markets

The company and rival Kalshi are facing legal challenges from states around the country.

wsj.com
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Kate Clark retweeted
Ben Mullin@BenMullin
Sep 24
News -- among the handful of suitors who have expressed interest in acquiring Letterboxd: A24, Sony and....The New York Times Company! Bidding starts at $300 million. w/@LaurenSHirsch nytimes.com/2026/09/24/busin…

Letterboxd Sees Acquisition Interest From A24, Sony and the New York Times (Gift Article)

A24, Sony and The New York Times Company all registered their interest in acquiring the cinephile’s paradise.

nytimes.com
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Kate Clark retweeted
Jessica Toonkel
@jtoonkel
Sep 24
In his first on-the-record interview since being fired as CEO of Disney in 2022, Bob Chapek says his predecessor-turned-successor Bob Iger campaigned to undermine him @benfritz wsj.com/business/media/bob-c… via @WSJ

Exclusive | Bob Chapek Is So Not Over Getting Fired From Disney

In his first interview since being ousted as CEO, Chapek speaks about his rocky tenure and blames Bob Iger.

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Anthropic leaders have invested in a startup developing technology to detect airborne viruses, amid growing fears that AI could lead to new biological threats. wsj.com/tech/ai/anthropic-le…

Exclusive | Anthropic Leaders Back Startup Developing System to Detect Biological Threats

Pilgrim has raised $25 million and has developed a 50-pound device that detects biological threats.

wsj.com
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Kate Clark retweeted
Techmeme
@Techmeme
Sep 23
Pilgrim, whose device combines air sampling and genomic sequencing to detect biological threats, raised a $25M seed led by Buckley at a $150M valuation (@kateclarktweets / Wall Street Journal) (Visit Techmeme dot com for the link and full context!)
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Wrote about Meta’s new Muse AI agent and what hurdles Meta will have to overcome for it to succeed wsj.com/tech/ai/meta-ai-agen…
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Andreessen Horowitz has a message for up-and-coming tech talent: Don’t drop out of school to start a company; come do school with us instead. The venture-capital firm is investing $35 million in an unaccredited two-year alternative to traditional college. on.wsj.com/4rnuxci
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Great read wsj.com/business/entrepreneu…

Burned Out and Unemployed, Young People in China Are Launching AI Startups

Last year, more than seven million new one-person companies were established in China.

wsj.com
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Katherine Long
@ByKLong
Sep 20
NEW: A story full of scoops big and small from @ceostroff and @byneilmehta. > Polymarket removed one of its anti-money-laundering programs during a fraud attack, alarming some staff; CEO Shayne Coplan downplayed risks > Persistent engineering glitches have cost some customers thousands > Internal audio & text messages reveal Coplan’s management style > Some current & former employees & investors are concerned Poly has prioritized growth at all costs > Company is trying to course-correct; eyeing an IPO by the end of 2027 > Talks with Drake fell through; rapper name-dropped Poly in a song anyways; a market on the album saw suspicious trading And more. Gift link below. wsj.com/business/polymarkets…

Polymarket’s Rush to Grow Left a Door Wide Open For Fraudsters

CEO Shayne Coplan brushed off concerns about a scheme involving stolen debit cards. Now the prediction market is bolstering its executive ranks as it eyes an IPO.

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Kate Clark retweeted
Techmeme
@Techmeme
Sep 18
Sources: Anthropic plans to stage its IPO in November, later than many investors expected; the decision was made before ex-Anthropic researcher Jacob Coxon left (Wall Street Journal) (Visit Techmeme dot com for the link and full context!)
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NEW: Anthropic plans to stage its blockbuster initial public offering in November, later than many investors expected. With @cdriebusch and @KateClarkTweets wsj.com/tech/ai/anthropic-sh…
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Kate Clark retweeted
Jessica Toonkel
@jtoonkel
Sep 18
SCOOP: A buyout group led by Bob Iger and Joshua Kushner told potential investors the Lakers’ annual revenue will cross $1.6 billion in a decade, pushing the valuation to at least $30 billion w/@markgmaurer wsj.com/business/media/laker… via @WSJ

Exclusive | Lakers Buyers Lay Out Plans to Reach $30 Billion Valuation in Pitch to Investors

A group led by Bob Iger and Joshua Kushner estimate team revenue will more than double to at least $1.6 billion in a decade.

wsj.com
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Kate Clark retweeted
Jessica Toonkel
@jtoonkel
Sep 18
End of an era. Warren Buffett is stepping down as chairman of Berkshire Hathaway, the $1 trillion conglomerate that he led for more than six decades wsj.com/finance/warren-buffe… via @WSJ

Warren Buffett Steps Down as Berkshire Hathaway Chairman

The legendary investor, whose son Howard succeeds him as chairman, will remain on the board and become chairman emeritus.

wsj.com
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A bug-hunting independent security research team used Anthropic’s Claude software to gain access to an OpenAI employee’s ChatGPT account, giving them a way to read and suggest changes to the company’s private cache of software. on.wsj.com/4h8vaBP

Exclusive | Hackers Used Anthropic’s Claude to Break Into OpenAI

A bug-hunting independent security research team was able to access OpenAI’s internal code system, exposing growing risks in automated cyber threats.

wsj.com
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How Ed Sheeran, a musician known for his crowd-pleasing, inoffensive everyman appeal, landed in this situation illustrates the hazards of planning a lucrative tour at a time of intense geopolitical unrest and cultural division over violent conflicts. on.wsj.com/4AfwGL8

The 40-Minute Phone Call That Left Ed Sheeran’s Tour Hanging by a Thread

Patriots owner Robert Kraft made it clear to the singer that he would cancel his tour dates at Gillette Stadium unless Macklemore was dropped from the bill. Other NFL owners were ready to do the same.

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Kate Clark retweeted
Erin Woo
@erinkwoo
Sep 17
We profiled Jacob Coxon, the "normal researcher" who quit Anthropic and caused a firestorm, tracing his journey from high school math whiz to London rationalist to self-proclaimed "doomer." with @AmrithRamkumar @berber_jin1 @bzcohen: wsj.com/tech/ai/jacob-coxon-…

The Anonymous Math Geek Who Quit Anthropic—and Became the Face of AI Safety

Long-simmering worries about the technology’s potential dangers have exploded into the global consciousness since Jacob Coxon’s dire warning.

wsj.com
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Kate Clark retweeted
Erin Woo
@erinkwoo
Sep 16
New: OpenAI disclosed six new safety incidents as part of an announcement on a new framework for reporting misaligned AI. From one of the incidents:
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