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Social Pulse · Silicon Valley · 2026-10-26 20:46 UTC

@barkmeta: Anthropic's IPO filing and a biotech acquisition

Unpopular opinion, but if your IPO filing says your product might end humanity, maybe you shouldn't be allowed to operate. https://t.co/nT68hTlSJA

Likes5.3K
Reposts642
Replies174
Views230.9K
Engagement rate2.67%
Author followers289.1K
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Bark ✓ @barkmeta

Unpopular opinion, but if your IPO filing says your product might end humanity, maybe you shouldn't be allowed to operate. https://t.co/nT68hTlSJA

♥ 5.3K↺ 642💬 174👁 230.9K on X ↗

Part of the conversation: Anthropic's IPO filing and a biotech acquisition

@ByteEcosystem posted that Anthropic files for an IPO, drawing 1.3K likes. @barkmeta, with 5.3K likes, says a company whose IPO filing says its product might end humanity maybe should not be allowed to operate. @AswathDamodaran says IPOs get priced, and that a young company with growing revenues and big losses will be judged on buzzy metrics, citing ARR for AI companies. @Prof_Oak_ (3.7K likes) says Anthropic acquired his one-person biotech, Mithril, and he is joining the company.

Why it mattersIt combines a possible landmark AI listing, skepticism about risk disclosures, valuation commentary and a notable AI-biotech deal.

Other posts in this conversation

Professor Oak ✓ @Prof_Oak_

Surprise 1: Anthropic acquired a one-person biotech . . . Surprise 2: that person is me Surprise 3: I’m here to tell you all about it Yes, this is what you think it is; after 6 yrs of increasingly loose anonymity: the Professor Oak reveal post …and yes, it has gotten so boring around here that I’m literally doxxing myself to spice up the timeline ------- Ok, allow me to introduce myself. My name is Cody Tranbarger. I mostly tweet, but occasionally find time to dabble in drug dev & starting/building biotechs. My past lives span the VC, crossover, startup continuum; Prof Oak has been my way of keeping a digital foot in those worlds, despite having my physical feet planted elsewhere. The past 18 mo, ‘elsewhere’ was Mithril Medicine, a co. I founded to develop bsAbs for LAMA2-CMD & other ECM-related genetic diseases. Mithril was born out of hands-on building with @MikeNGladstone, @JasonPaulRhodes, @LifeSciVC, & team @atlasventure. Somehow, I made enough half-decent calls along the way (even a broken clock is right twice a day, eh?) to convince them Mithril/I warranted a small seed. While I can hardly rationalize such an outrageously cavalier bet, I’m grateful for it, & I'd partner with Atlas again in a heartbeat. In typical AV fashion, Mithril’s primordial form was virtual, decentralized, & ultra-lean. This stage tends to be short-lived, but for Mithril, it worked surprisingly well, for surprisingly long, thanks in part to the rapid maturation of the AI tools I used liberally. Eventually, Mithril became a bit of an experiment itself - to find the upper bound of how far it could scale as a single operator + a bunch of Claude (+ a stellar bench of part-time consultants). In parallel, I started spending time with @nc_frey, @an1lam, & @CoefficientBio team; and promptly experienced, for the 1st time, AI at the frontier. Soon thereafter, Mithril stopped looking like an experiment, & started looking like a preview of an entirely new operating model. From that spark came “Pipeline-in-a-Person.” The idea immediately resonated when we shared it here back in April; and it was central to the shared vision that led to Anthropic’s acquisition of Mithril, & my joining the team. Why join Anthropic? Three reasons. (1) For Mithril, the programs continue, with more resources & infrastructure behind them, and as much Claude as I can put to work. (2) For me, the chance to start several more programs, & find out how many one person can actually run in parallel - an almost unprecedented luxury for a curious drug hunter. (3) For our mission, a path to institutionalize & scale this new way of working, then put it in the hands of all of biopharma, all over the world - which, candidly, I find the most energizing. Will AI x Bio cure diseases? Unequivocally yes, imo… but not by the route that gets the most airtime. Rather than timeline acceleration & compression, I see orchestration & parallelization as today's low-hanging fruit. Most drug hunters see a handful of go/no-go calls in a career, & spend entirely too much of the rest trading emails (my inbox can attest). Give them the bandwidth to run several programs at once, and the time to focus on scientific judgment, and I’m willing to bet they’ll make better calls. And at scale, better calls translate to more drugs, higher hit rates, broader patient impact, & likely, a disease or 10 or 100 cured. I couldn't be more excited to build toward that future @AnthropicAI. Finally, a heartfelt thank you to BioTwitter/X. The end of anonymity is bittersweet, but if anyone’s earned a proper introduction, you all have. It’s difficult to overstate how much this app has done for me: a decade of education, plenty of friends, many job opportunities, several mentors, a few investors, even a co-founder (fmr). It was the generosity of this community that inspired me to start posting 6 years ago, after just as many years lurking. I hope I’ve been able to pay it forward, in my own small way. But, to be clear, Prof Oak isn’t going anywhere. Same beat, same themes, and now, a front-row seat to drug development at the frontier. Stay tuned for dispatches from the trenches; and remember... Gotta Cure 'Em All

♥ 3.7K↺ 226💬 182👁 206.1K on X ↗
Byte ✓ @ByteEcosystem

BREAKING - Anthropic files for an IPO https://t.co/0sh8uVl6Xd

♥ 1.3K↺ 89💬 33👁 97.2K on X ↗
Aswath Damodaran ✓ @AswathDamodaran

As Anthropic's IPO nears its target date, it it worth remembering that IPOs get priced, and that as a young company with growing revenues and big losses, that pricing will be based on metrics that are buzzy and unfamiliar, from eyeballs in the dotcom era to users in the social media decade to ARR with AI companies...https://t.co/5DXmDGcSTf

♥ 1.2K↺ 148💬 58👁 203.1K on X ↗

How it compares

Likes vs the rest of the feed14 top Silicon Valley posts on 2026-10-28
likes: This post 5,284, Silicon Valley median 4,033, Silicon Valley top post 24,720This post5,284Silicon Valley median4,033Silicon Valley top post24,720

This post ranks #4 of the 14 highest-engagement silicon valley posts AgentFlare tracked on 2026-10-28, with 1.3× the median likes. See the full Silicon Valley briefing.

How this page is made. Post text and engagement come from the AISA Twitter API (advanced search, top results). Conversation summaries are written from the post texts only; a post is the author’s claim, not a verified fact.

Sources & citations

  1. @barkmeta on X 2026-10-26 20:46 UTC
  2. AISA Twitter API