IPO Party Faces Down… | Newcomer Newsletter Summary

1. Key Themes

Theme 1: IPO Window Is Open But Aftermarket Performance Is a Warning Sign

The 2025 IPO market has hit a first-half record by total proceeds, but the story beneath the headline is troubling — most companies are underwater after their debut.

"Of the 10 venture-backed companies that have gone public over the past year, only two are trading above their offering price."

"University of Florida's Prof. Jay Ritter, known as 'Mr. IPO' for his long history tracking the data, noted that while the first day price jump for IPOs this year has been above historical averages, aftermarket performance has been disappointing."

SpaceX is the single biggest distorting factor in the headline numbers:

"SpaceX's record-breaking $75 billion offering was a big chunk of the total raised... SpaceX shares have been sliding for the better part of two weeks and closed Thursday below the IPO price — and that's ahead of the coming lockup expiration."

Theme 2: AI Concentration Risk in the IPO Market

The IPO boom is heavily concentrated in AI and a few mega-names, raising questions about whether the market can absorb the anticipated flood of frontier AI company listings.

"Like everything else in the AI era, the big dollars are highly concentrated — SpaceX's record-breaking $75 billion offering was a big chunk of the total raised."

"Analysts have cautioned that SpaceX, plus the much-anticipated listings of OpenAI and Anthropic, could suck up all the investor dollars."

Cerebras illustrates the AI hype-to-reality gap starkly:

"Cerebras peaked just two days after its debut at $386, only to fall by more than half to $178 at Thursday's close."

Theme 3: An Emerging Consensus on AI Regulation — But Execution Risk Is High

A rare cross-industry alignment on the need for AI regulation is forming, but the article is skeptical that the current administration can translate consensus into competent policy.

"Manifestos from industry leaders calling for AI regulation are suddenly coming fast and furious, and a rare consensus seems to be emerging that something must be done."

"At this point, everyone at the frontier of AI agrees that third parties should test out AI systems and use these to develop standards to feed into policy." — Jack Clark, Anthropic

The concern is that political dysfunction will squander the moment:

"It's not clear if there was any process at all behind the export bans on Mythos and GPT-5.6, or the lifting of those bans after a couple of weeks, or whether it was simply Trump's typical whim-and-a-prayer approach."

Theme 4: Post-Lock-Up Selling Pressure Is Structural, Not a Signal of Company Quality

The article argues that weak post-IPO performance is a known, recurring dynamic — not a new crisis specific to this cycle.

"PitchBook venture capital analyst Kyle Stanford notes that sinking post-IPO shares have been common for venture-backed companies for years, 'at least until their financials mesh a bit better with how public market investors price companies.'"

"There is an adjustment period for private market values to match public market pricing, and there are a lot of employees and investors trying to realize their returns after the lockup, which adds selling pressure."

Theme 5: The Back Half of 2025 Is the Target Window, With Mid-Cap Deals Favored

Operators and investors are actively preparing for a post-Labor Day IPO push, with deal size expectations being recalibrated upward.

"He's hearing many companies have been updating their Q2 numbers and getting ready in case they want to test the markets post-Labor Day."

"General Atlantic's latest analyst note on the topic from June is optimistic that mid-cap companies will be able to get out successfully in the back half of 2026, but would favor larger offerings in the $750 million to $1 billion range."

2. Contrarian Perspectives

Perspective 1: Post-IPO Share Declines Don't Mean the IPO Market Is Broken

The conventional read on weak aftermarket performance is investor skepticism or overpricing. The article pushes back, framing it as a structural, predictable reset between private and public market valuations.

"I don't think that means all these companies are bad, or that the initial price is wrong, or that investors are skittish. There is an adjustment period for private market values to match public market pricing, and there are a lot of employees and investors trying to realize their returns after the lockup, which adds selling pressure." — Kyle Stanford, PitchBook

Perspective 2: The AI IPO Pipeline Won't Crowd Out Smaller Companies

The prevailing fear is that mega-offerings from OpenAI, Anthropic, and SpaceX will absorb all available investor capital, leaving no oxygen for smaller listings. "Mr. IPO" disputes this directly.

"I'm not concerned about a lack of investor demand for promising companies going public." — Prof. Jay Ritter

Perspective 3: Non-AI, Non-US Companies Can Still Command IPO Premiums

The assumption is that only AI or defense names can generate strong IPO demand right now. Bending Spoons defied that.

"Even if you're a quirky Milanese company, if it's a good company, people will buy. You don't have to be putting data centers in space." — Rick Heitzmann, FirstMark Capital

The Italian software roll-up debuted at $29, popped 40% on day one, and settled at $32 — suggesting durable investor appetite for quality software businesses regardless of sector.

3. Companies Identified

SpaceX

Description: Elon Musk's aerospace and satellite company
Why mentioned: Largest IPO of the year at $75B; shares have since fallen below the offering price ahead of lockup expiration, casting a shadow over the broader IPO market
Quote: "SpaceX shares have been sliding for the better part of two weeks and closed Thursday below the IPO price — and that's ahead of the coming lockup expiration."

Cerebras

Description: AI chipmaker
Why mentioned: High-profile AI IPO that illustrates the hype-to-reality gap — peaked two days after debut, then lost more than half its value
Quote: "Cerebras peaked just two days after its debut at $386, only to fall by more than half to $178 at Thursday's close."

Bending Spoons

Description: Italian software roll-up company
Why mentioned: Case study of a non-AI, non-US company successfully going public; demonstrated there is still appetite for quality software brands
Quote: "The Italian software roll-up Bending Spoons went out July 1 at $29 a share and saw its stock pop 40% in its debut, before falling back to $32."

Anthropic

Description: AI safety-focused frontier model company
Why mentioned: IPO plans (targeting end of 2026, investor meetings underway); CEO Dario Amodei cited as an early, lonely voice for AI regulation
Quote: "Anthropic still plans to IPO by the end of 2026 and has started to plan investor meetings."

OpenAI

Description: Frontier AI company, maker of ChatGPT
Why mentioned: Reportedly considering delaying its IPO until 2027 as Sam Altman pushes to exceed $1 trillion valuation in the private markets first
Quote: "OpenAI...is seriously considering a delay until 2027 after Sam Altman's push to get the company's valuation over $1 trillion in the private markets first."

Discord

Description: Gaming and community communication platform
Why mentioned: Named as an IPO contender that confidentially filed but pulled back earlier this year due to market uncertainty
Quote: "Contenders waiting in the wings include Discord and Kraken, both of which have confidentially filed but pulled back from going out earlier this year due to market uncertainties."

Kraken

Description: Cryptocurrency exchange
Why mentioned: Same as Discord — confidentially filed, then paused; watching the market for a re-entry window
Quote: "Contenders waiting in the wings include Discord and Kraken, both of which have confidentially filed but pulled back from going out earlier this year due to market uncertainties."

Lambda

Description: Neocloud (GPU cloud infrastructure) company
Why mentioned: Hired banks for IPO preparation but has no target date yet
Quote: "Neoclouds Lambda and Nscale both hired banks to help with the process last year, but neither yet has a target date."

Nscale

Description: Neocloud (GPU cloud infrastructure) company
Why mentioned: Same as Lambda — in the IPO pipeline but without a committed timeline
Quote: "Neoclouds Lambda and Nscale both hired banks to help with the process last year, but neither yet has a target date."

Vercel

Description: Frontend cloud and developer platform
Why mentioned: Named as a potential near-term IPO candidate, with founder publicly signaling interest
Quote: "Vercel is another name that came up while gossiping with investors, with founder Guillermo Rauch signaling publicly that he'd be interested."

Databricks

Description: Data and AI platform company
Why mentioned: Raising a Series M at a $188 billion valuation — a signal of continued private market appetite for AI infrastructure at massive scale
Quote: "Databricks is raising a Series M at a $188 billion valuation."

Helsing

Description: AI defense technology company
Why mentioned: Named as raising a funding round over $1 billion (details paywalled)
Quote: "Helsing and Fireworks raise funding rounds over $1 billion."

Fireworks AI

Description: AI inference and fine-tuning platform
Why mentioned: Named alongside Helsing as raising a $1B+ funding round
Quote: "Helsing and Fireworks raise funding rounds over $1 billion."

Thinking Machines Lab

Description: AI research company founded by Mira Murati (former OpenAI CTO)
Why mentioned: Released its first model — a notable debut from one of the most closely watched AI startups
Quote: "Mira Murati's Thinking Machines Lab releases its first model."

Greylock

Description: Early-stage venture capital firm
Why mentioned: Announced $1.5 billion in new funds — a significant commitment signal in the current fundraising environment
Quote: "Early-stage venture stalwart Greylock announces $1.5 billion in new funds."

Google DeepMind

Description: Alphabet's AI research division
Why mentioned: Co-founder Demis Hassabis published a detailed AI regulation proposal modeled on FINRA
Quote: "The latest plea, and among the most detailed, comes from Google DeepMind co-founder Demis Hassabis...who calls for the US government to assemble a regulatory agency modeled on the Financial Industry Regulatory Authority."

DeepSeek

Description: Chinese AI lab
Why mentioned: Briefly noted as making IPO plans — a geopolitical signal about the global AI race and capital markets competition
Quote: "On the other side of the world, DeepSeek is making plans too."

4. People Identified

Prof. Jay Ritter ("Mr. IPO")

Description: Finance professor at the University of Florida; long-time IPO data tracker
Why mentioned: Provided data-grounded perspective on IPO aftermarket performance and investor demand outlook
Quote: "I'm not concerned about a lack of investor demand for promising companies going public."

Rick Heitzmann

Description: Partner at FirstMark Capital
Why mentioned: Offered on-the-ground intelligence on company IPO preparation activity and the viability of non-AI listings
Quote: "Even if you're a quirky Milanese company, if it's a good company, people will buy. You don't have to be putting data centers in space."

Kyle Stanford

Description: Venture capital analyst at PitchBook
Why mentioned: Provided the structural explanation for post-IPO share price declines — framing them as a recurring private-to-public valuation adjustment
Quote: "There is an adjustment period for private market values to match public market pricing, and there are a lot of employees and investors trying to realize their returns after the lockup, which adds selling pressure."

Eddie Molloy

Description: Co-head of global equity capital markets at Morgan Stanley
Why mentioned: Flagged the risk of AI momentum cooling, adding institutional weight to concerns about the IPO window narrowing
Quote: "Markets can expect some of the 'steam' from the AI momentum to come off a little bit."

Demis Hassabis

Description: Co-founder and CEO of Google DeepMind
Why mentioned: Authored the most detailed AI regulation proposal to date, calling for a FINRA-style regulatory body for AI model safety review
Quote: "Calls for the US government to assemble a regulatory agency modeled on the Financial Industry Regulatory Authority...staffed with top-tier AI experts and empowered to review new AI models for safety risks."

Jack Clark

Description: Co-founder of Anthropic
Why mentioned: Endorsed Hassabis's regulation proposal and articulated the frontier industry's emerging consensus on third-party testing
Quote: "At this point, everyone at the frontier of AI agrees that third parties should test out AI systems and use these to develop standards to feed into policy."

Dario Amodei

Description: CEO of Anthropic
Why mentioned: Called out as an early and lonely voice for AI regulation before the current consensus emerged
Quote: "Anthropic CEO Dario Amodei had until recently been a lonely voice insisting on the need for regulation."

Sam Altman

Description: CEO of OpenAI
Why mentioned: Two distinct signals: (1) now publicly backing international AI regulation; (2) reportedly pushing to delay OpenAI's IPO until the company crosses $1 trillion in private valuation
Quote: "OpenAI is seriously considering a delay until 2027 after Sam Altman's push to get the company's valuation over $1 trillion in the private markets first."

Brad Smith

Description: Microsoft's longtime policy and politics executive
Why mentioned: Added Microsoft's voice to the growing chorus calling for AI governance frameworks
Quote: "Microsoft's longtime policy and politics honcho, Brad Smith, has ideas too."

Mira Murati

Description: Former CTO of OpenAI; founder of Thinking Machines Lab
Why mentioned: Her new company released its first AI model — a milestone debut from one of the most anticipated AI startups
Quote: "Mira Murati's Thinking Machines Lab releases its first model."

Guillermo Rauch

Description: Founder and CEO of Vercel
Why mentioned: Publicly signaled IPO interest, making Vercel a name to watch in the back-half IPO pipeline
Quote: "Vercel is another name that came up while gossiping with investors, with founder Guillermo Rauch signaling publicly that he'd be interested."

5. Operating Insights

Insight 1: Time Your IPO Filing Around Clean Quarterly Financials

The article notes that companies are actively updating their Q2 numbers before deciding whether to test markets. The implication: public market investors scrutinize the financial narrative at IPO more than private investors do, and the gap between private and public pricing means your first set of public financials must be defensible.

"He's hearing many companies have been updating their Q2 numbers and getting ready in case they want to test the markets post-Labor Day."

Insight 2: Bigger Is Safer in the Current IPO Environment

Institutional guidance from General Atlantic favors larger deal sizes, signaling that smaller offerings face more execution risk in a volatile market. Companies staging IPOs should consider whether scale is achievable before going out.

"General Atlantic's latest analyst note on the topic from June is optimistic that mid-cap companies will be able to get out successfully in the back half of 2026, but would favor larger offerings in the $750 million to $1 billion range."

Insight 3: Quality Fundamentals Can Override Sector Bias

For software founders who worry they lack the AI or defense narrative investors currently favor, Bending Spoons is instructive — a European, non-AI software roll-up still achieved a strong debut. The market is not exclusively chasing a single theme.

"Even if you're a quirky Milanese company, if it's a good company, people will buy. You don't have to be putting data centers in space." — Rick Heitzmann, FirstMark Capital

6. Overlooked Insights

Insight 1: Export Control Policy Is Being Made on a Whim — Creating Regulatory Arbitrage Risk

The article briefly but pointedly flags that semiconductor and frontier model export controls are being applied and reversed without apparent process, and may be influenced by stock market movements. For companies operating in AI infrastructure, defense AI, or chip supply chains, this is a material business risk that is being underweighted in the market narrative.

"It's not clear if there was any process at all behind the export bans on Mythos and GPT-5.6, or the lifting of those bans after a couple of weeks... Semiconductor export policies are similarly opaque and fluid, and seemingly affected by stock market concerns."

Insight 2: Public Sentiment Toward Big Tech Is Deteriorating Rapidly

Buried in the newsletter summary is a Gallup data point that gets no elaboration — but carries significant implications for tech company valuations, regulatory risk, and brand positioning.

"A new Gallup poll shows Americans rapidly souring on Big Tech."

This trend, if accelerating, could compress valuation multiples for consumer-facing tech companies heading into the public markets and give political cover for more aggressive regulation — making it a factor both operators and IPO candidates should be tracking closely.