11 companies, privately held.

Privately held1 developments

Cambrian Bio

Longevity · A group of companies developing drugs aimed at ageing biology

Latest (Jul 15, 2026): Cambrian Bio reports $123.8 million of equity sold in a private offering

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Privately held1 developments

Life Biosciences

Longevity · Partial epigenetic reprogramming

Latest (Apr 24, 2026): Life Biosciences reports $31 million of equity sold in a private offering

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Privately held1 developments

Neuralink

Neurotechnology & BCI · Implanted brain-computer interface

Latest (Jun 12, 2025): Neuralink reports $649 million of equity sold in a private offering

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Privately held1 developments

NewLimit

Longevity · Epigenetic reprogramming

Latest (May 15, 2025): NewLimit reports $129.8 million of equity sold in a private offering

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Privately held1 developments

Precision Neuroscience

Neurotechnology & BCI · Thin-film brain-computer interface

Latest (Sep 28, 2026): Precision Neuroscience reports $250 million of securities sold in a private offering

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Privately held1 developments

Rejuvenate Bio

Longevity · Gene & cell engineering · Gene therapy for ageing-related disease

Latest (Jun 18, 2026): Rejuvenate Bio reports $19.5 million of equity sold in a private offering

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Privately held1 developments

Science Corp.

Neurotechnology & BCI · Physical augmentation · Neural engineering, including a retinal prosthesis

Latest (Mar 6, 2026): Science Corp. reports $230 million of securities sold in a private offering

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Privately held0 developments

Colossal Biosciences

Synthetic biology · Genetic engineering, including de-extinction projects

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Loyal (Cellular Longevity)

Longevity · Lifespan-extension drugs for dogs

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Paradromics

Neurotechnology & BCI · High-data-rate brain-computer interface

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Synchron

Neurotechnology & BCI · Brain-computer interface implanted through blood vessels

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Coverage is not an offer to invest. Private ownership does not imply available shares. Sector labels are Sapien Frontier’s own coverage classification, not company claims.

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