October 2025: Emergence of a stealth company, product evolution, and fall events


Hey, this is Michael from The Bioentrepreneurs: Stanford, UCSF, Berkeley. Each month, I bring you key updates and exclusive insights straight from the teams driving innovation across these cutting-edge life sciences ecosystem.


DISCLAIMER: We have the fortunate problem of having more companies than ever give updates (17!)Be sure to view entire message (or view it in the archive) in case the email is clipped to see updates from any of Aperture, Cache, Diffuse, and DropXcell. I'm working on a solution for next time but wanted to get this out at the normal cadence. Thank you for reading! 

Here's what's happening in October 2025:

YourChoice Therapeutics [A, Therapeutics]

Xylo Bio [Seed, Neuro Tx]

Ridge Bio [Seed, Enzyme and Therapeutic Design]

  • Emerged from stealth with $25M in funding

    • Sutter Hill incubated and led the round, with participation from Overlap Holdings and others

PyrAmes [A, Commercial-stage Med Device]

  • Awarded 2nd Place and the People's Choice Award in the WT Innovation World Cup for their wearable blood pressure monitors

Portal Bio [Seed, Cell Engineering Platform]

Phinomics [Seed, Tx]

  • Financing milestone - successfully closed the first tranche of their Pre-A round and are now gearing up for a second close, strengthening their position to advance therapeutic discovery and validation programs

  • Strategic Partnerships - signed their first paid partnership for therapeutic target discovery in a new cancer indication, marking a major step in translating their Circulome Atlas into actionable insights for drug development

  • Key Team Additions - expanded their leadership and scientific team with world-class talent from pharma and biotech:

    • Troy Dale – Head of Therapeutic Strategy & Partnerships 

      • Ex-Novartis, brings 30+ years in global pharma (Development, Market Access, Policy, and Commercial Strategy). At Phinomics, Troy will help translate their Circulome Atlas into transformative therapeutic strategies and partnerships.

    • Nigel Cooke, PhD – Head of Therapeutic Pipeline & Validation 

      • Ex-Novartis/Sandoz, brings 36+ years in pharma (R&D and Commercial). Nigel will lead pipeline prioritization, validation frameworks, and evidence strategies from discovery through early development. 

    • Elizabeth Mitchell, PhD – Therapeutic Discovery & Validation Specialist 

      • Ex-Pathos AI, supports protocol development and sample processing for therapeutic discovery programs

    • Kubilay (Ky) Demir, PhD – Principal Scientist: Target Discovery & Preclinical Development 

      • Ex-JUUL Therapeutic Discovery Labs, leads sample processing, data generation, and preclinical workflows for therapeutic discovery, integrating regulatory, IP, and functional genomics expertise

    • Richard Grewelle, PhD – Staff Scientist: Systems Biology

      • Ex-Elegen, leads circular DNA isolation and computational biology workflows, bridging wet-lab and systems-level insights

Parallel Health [Seed, Consumer Health]

  • The Data Engine: From Collection to Prediction. Their proprietary dataset continues to expand at Parallel Health, and they're now starting to see what they've been building toward—genuine predictive capabilities. Their models are beginning to predict skin flares, sensitivity patterns, antibiotic resistance, and aging markers. They're also going to be exploring early indicators for skin cancer detection, though they're approaching this carefully and scientifically as they gather more data.

  • Derm Dream Team. To accelerate their work and ensure clinical rigor, they're finalizing their "Derm Dream Team"—a select cohort of dermatologist KOLs who are both investors and advisors to Parallel. These leading dermatologists span specialties from inflammatory disease to oncology to aging, and represent practices across the United States. They will be instrumental in guiding their proprietary AI predictive health models. They'll be announcing names once finalized, and they're thrilled to welcome this caliber of clinical expertise to their mission

  • Investor Interest: If you are an investor with clinical/healthcare/wellness expertise and looking for your next investment, they'd welcome a conversation. BTW - as of last month, they're now profitable. Find a time here.

Nextnet [Seed, Research Software]

  • Rolled out their first subscription plans: Free and Starter

  • Free plan: All existing accounts have been moved here automatically - no need to re-register. It includes limited access to core Copilot and Explorer features.

  • Starter Plan: enhanced access to Nextnet Copilot and Explorer

    • A higher quota of Copilot responses each month

    • Unlimited sources per Copilot response and up to 300 per session

    • Extended history of your Copilot chats beyond 14 days

    • Extended history of your Explorer searches beyond 14 days

    • Unlimited results per Explorer session and up to 12,000 per month

  • See the pricing of these new offerings here

N1 Life [Pre-A, Drug Delivery Tech]

  • Will be attending CALISCC Suppliers' Day on October 29-30! Their team will be sharing insights on Absotride™, their proprietary peptide-based skin penetration technology platform, which enhances the penetration and bioavailability of active ingredients in skin tissue. Absotride™ unlocks new possibilities in dermatology therapeutics, hair & scalp care, and advanced skincare applications. Their team looks forward to connecting with raw material suppliers, brands, and industry partners during the event. If you are attending the event and would like to learn more or meet with them, please reach out to Lynzee Havert ([email protected]) to arrange a time.

Kascaid [Pre-Seed, Dx]

  • Officially kicked off prototype development — an important step toward bringing Kascaid’s tech into the hands of clinicians and trial partners

  • Will be at ACR Convergence 2025 in Chicago (Oct 24–29)! If you’ll be there, go find them — they’d love to share what they’re building and connect in person.

Inapill [Seed, Inflammation & Autoimmunity Tx]

  • Selected to the Creative Destruction Lab Advanced Therapies Program cohort for 2025-26. This prestigious global accelerator program, which has helped generate $51B in equity value for participating companies, is deeply committed to the goal of enhancing the commercialization of science for the betterment of humankind. Inapill’s mission to develop 1st-in-class small molecule therapeutics targeting immunometabolism to address significant unmet patient need across age-related chronic inflammatory & autoimmune diseases is strongly aligned with this goal.

  • Fundraising: actively raising a $3M Seed round, and has received a soft commitment for up to $1.5M to lead the round from a VC actively investing in the SF Bay Area biotech ecosystem. Inapill is currently working together with this VC to identify a co-lead investor. If interested in participating in the round, please contact Inapill CEO & co-founder Greg Timblin to learn more ([email protected]).

Foldscope [Seed, Intrumentation/Ed Tech]

  • Just launched a new program! STEM EdTech 

    • Foldscope’s Fast & Curious Tour is bringing free training and paper microscopes to educators and community leaders across the United States. Through hands-on workshops, participants learn to assemble and explore with the Foldscope, an ultra-affordable microscope that magnifies up to 340x, and receive materials to train others in their own communities. Thanks to a recent donation, every session includes free Foldscopes, lesson plans, and access to the global Microcosmos network of educators and explorer

    • Sign up here

Fauna Bio [Seed, Therapeutics]

  • Will be speaking at many events in the next month! Listen to them speak at: 

    • Oct. 7: AI x Bio (during Techweek): Extreme animal genomics x AI helping us all live longer

    • Oct. 10: Ageless Evolution Summit: Fireside chat about extreme organisms and aging

    • Oct. 15: GiTEX (Dubai) - Fireside chat on main stage - Genomics Beyond Humans: Unlocking Evolution’s Drug Library (interview with Pavla Hubálková, science journalist at Wired Czech Republic)

    • 11/7 - 11/10: AHA - Fauna Bio's Head of Therapeutics will present a moderated poster with preclinical results from our lead cardiovascular program, Faun1083

DropXcell [Seed, Drug Disc. Tech + Services]

  • Won 2 pitch competitions in the past month, including one with a $25k prize, and will be pitching twice during SF Tech Week on their AI + high-throughput screening platform for antibody discovery

  • CEO and founder Luke Blauch is co-hosting San Francisco’s first VC Village on 10/21, an investor-only meet up with free food, drinks, and no pitches. Dozens have already signed up and space is filling fast. Investors can RSVP here

Diffuse Bio [Seed, AI for de novo Protein Design]

  • Launched new features for DiffuseSandbox, a no-code web app to design binders for protein targets that leverages Diffuse's latest AI model. 

    • Users can now design minibinders in addition to VHHs and scFvs, choose from a number of therapeutically relevant frameworks, select multi-chain epitopes, and obtain up to 100 designs per run. 

    • More details on this latest feature release can be found in Diffuse's most recent blog post.

Cache DNA [Seed, Life Sciences Tools/Lab Infrastructure]

  • Team-building: Cache found their Head of Chemistry! This individual (to be announced later this fall) is currently the Chief Scientific Officer of a growing molecular diagnostics company and will support their team as they pursue new biomaterial horizons. Thank you to The Bioentrepreneurs Newsletter for helping us get the word out!

  • Technical validation: Their second aims in studies with both Stanford University and Princess Margaret Cancer Centre proved to be successful in preserving delicate clinical biomarker signatures in short- and long-read sequencing settings (they are preparing manuscripts for both studies).

  • Fundraising: The Cache team has been on the road pitching! CEO Michael Becich was awarded the East Bay SBDC Award at the Startup World Cup Regional. Cache also presented at the MedInvest Conference in Palo Alto (check out our recording if you weren't able to be there in-person). Holler if you'll be at SF Tech Week or ASHG 2025 in Boston next week! Reach out to [email protected] if you are interested in participating in Cache's current round

Aperture Therapeutics [Seed, Therapeutics]

  • Investment Update: Tensor Ventures, a deep tech investor backed by the European Investment Fund, joined Aperture as their latest investor

  • Hiring: Aperture is growing their team and currently have three open drug development positions (more info):

    • Scientist, In Vivo Pharmacology

    • Sr Research Assistant, High-throughput Assays

    • Sr Research Assistant, In Vivo Pharmacology

  • Fundraising: Aperture is raising their Seed round to advance new drugs to clinic. If you’re interested in learning more, contact [email protected]

  • Meet the Team! The team will be attending multiple events in October, including:

Where you can find me this month:

Week of Oct. 6-9th: SF Tech Week broadly! (SF)
Thursday, October 9th: Knight Initiative Fall 2025 Symposium (Stanford) 

Until next time,

Michael Snyder [LinkedIn]

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