The hottest Venture Funding Substack posts right now

And their main takeaways
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Weekly Top Picks #114: Anthropic's Moment

The Algorithmic Bridge • 191 implied HN points • 16 Feb 26
đź•ą Technology Venture Funding
  1. Anthropic’s huge $30 billion raise and rapid revenue growth show the AI industry is booming, but the company faces a weird tension: leaders talk about near‑term AGI while having to be very cautious about spending on compute.
  2. AI tools often don’t reduce work — they speed people up and widen their scope, which blurs boundaries and can cause fatigue; deliberate limits and routines are needed to avoid endless extra work.
  3. Safety promises are being tested by real-world demands: Anthropic’s “no mass surveillance, no autonomous weapons” stance may cost government partnerships, highlighting how fragile ethical red lines can be under pressure.

Announcing the 2026 Cyber 150

The Security Industry • 18 implied HN points • 09 Mar 26
đź•ą Technology Venture Funding
  1. The Cyber 150 uses LinkedIn headcount growth tracked in the IT‑Harvest Dashboard to identify the top 150 fastest‑growing midsize cybersecurity companies (50–500 employees), and the winners are published in a shared spreadsheet.
  2. AI security topped the list by category, with many winners offering agentic or AI‑powered solutions—MDR, autonomous pentesting, AI SOC analysts, DSPM, and behavioral risk tools—signaling a clear shift toward AI‑first defenses.
  3. Several winners drew major funding or were acquired and eight grew past the 500‑employee cutoff, and the dataset is positioned as a practical prospecting tool for vendors, recruiters, and event organizers (RSA exhibitors are flagged).

The Sequence Radar #795: The New Inference Kids

TheSequence • 112 implied HN points • 25 Jan 26
đź•ą Technology Venture Funding
  1. Serving models (inference) is now the main battleground, drawing huge funding as startups race to make model serving boring, reliable, and infinitely scalable.
  2. New kernel-level tricks are cutting recomputation and memory waste: RadixAttention reuses KV cache blocks like an LRU to avoid recomputing prefixes, and PagedAttention pages KV memory so GPUs can pack many more requests without VRAM fragmentation.
  3. Latency and per-turn cost now define product quality, causing a split in the stack between orchestration/hardware layers that manage scale and kernel teams that squeeze every FLOP to make models fast and cheap.

Something Big Is Happening in Cybersecurity

The Security Industry • 35 implied HN points • 17 Feb 26
đź•ą Technology Venture Funding
  1. AI development is accelerating fast, with new models that feel like a qualitative leap and are even being used to build the next generation of models.
  2. The AI security market has exploded into hundreds of companies, including many focused on automating SOC work, and it has attracted substantial venture funding.
  3. AI security is becoming a standard part of organizational defenses, and soon it will no longer make sense to treat it as a separate category because every vendor will have AI-driven security features.

Which Is The Better Option For Growth Funding: Venture Debt or Venture Capital?

Venture Curator • 199 implied HN points • 30 Jun 23
đź’Ľ Business Venture Funding
  1. If you're deciding between venture debt or venture capital for growth funding, venture debt can be a cheaper option for founders due to lower overall costs.
  2. Venture debt involves warrant coverage, which gives the holder the right to purchase company stock at a set price within a specific period.
  3. Understanding the financial implications of each funding option, such as equity dilution and interest payments, is crucial for making the best decision for your startup's growth.
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Arming the Creators

The Odin Times • 19 implied HN points • 16 Jul 23
đź’Ľ Business Venture Funding
  1. Content creators and software startups have similarities but also key differences.
  2. Success for content creators follows a power law distribution.
  3. Venture funding landscape shows tough times, but there are opportunities for investors.

Stanford Alumni 5x More Likely to Secure VC Funding Than Carnegie Mellon

Golden Pineapple • 46 HN points • 20 Jun 23
đź’Ľ Business Venture Funding
  1. Stanford alumni have 5 times higher chance of securing VC funding than Carnegie Mellon alumni.
  2. A quarter of companies meeting specific criteria were founded by alumni of top universities located in venture capital hubs like Bay Area and Cambridge, MA.
  3. Y Combinator was the only startup accelerator that featured in the list of companies meeting the specific criteria.