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Logos

Crossover fundActively deploying

San Francisco · Series A–Series B · 20 people tracked

Also known as LOGOS GLOBAL MANAGEMENT, L.P. · Logos Odin

Find your way into Logos

239 people in our graph share verified history with the Logos team — schools, employers, funds. One of them is your warm intro.

David Allisonunlockedknows Graham Walmsley · together at Versant Ventures (overlapped)
×5knows the team · via Versant Ventures
×4knows the team · via Stanford University School of Medicine
×2knows the team · via Stanford Hospital & Clinics
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Investment thesis

Logos Capital invests in biotechnology with a disciplined, data-driven and research-intensive approach, aiming to identify transformative, first-in-class and best-in-class therapeutics at attractive valuations. Recognizing that success in biotech requires more than science, the firm integrates clinical underwriting, continuous event tracking, and proactive risk management to assess intrinsic value across clinical, operational, regulatory, and commercial dimensions. It targets technologies that advance patient care through functional cures, improved access, and extended life expectancy. A proprietary data science platform, Logos Analytics, supports evaluation of trial design and probability of clinical success, with the primary mandate of delivering strong long-term returns to investors.

Source: firm website, verified Sep 15, 2026.

Stage
Series A–Series B
HQ
San Francisco, California, US
Instruments
Equity
Founded
2019
AUM
$2.3B
Tracked investments
4
Unicorns
1
IPOs
3

Team · 20 people

from the firm's website & public directories
Dr. Arsani William· Managing Partner / Chief Investment Officer
Dr. Graham Walmsley· Managing Partner
Edward C . Callaway· General Partner
Travis Scher· General Partner
Virginia Yee· General Partner
William Baine· General Partner
Yanni Souroutzidis· General Partner
Dr. Ed Zhong· Investment Advisor
Dr. Jesse Yu· Senior Analyst
Dr. Yuqi Wang· Senior Analyst
Ed Zhong· Investment Advisor

Investment Advisor at Logos Capital with a PhD.

Jesse Yu· Senior Analyst

Senior Analyst at Logos Capital with a PhD.

Yuqi Wang· Senior Analystin

Senior Analyst at Logos Capital with a PhD.

What they invest in

from 4 of 4 portfolio companies

Biotech ×4Healthtech ×4Medical Devices ×1

HQs:United States×2China×1

Investments · 4 tracked

founders shown can be your intro path
Alx Oncologyalxoncology.comin𝕏NASDAQ: ALXO

ALX Oncology develops therapies for cancer treatment, operating in the biotechnology and medical technology sectors.

BiotechHealthtechMedical Devices

Corey Goodman(Chairman)inJason Lettmann(Chief Executive Officer)in

Co-investorsLightstone Venturesage1Foresite CapitalvenBio PartnersVivo Capital

Nkarta, Inc.nkartatx.cominNASDAQ: NKTX

Nkarta is a biotech company developing allogeneic CAR NK cell therapies for autoimmune diseases, aiming to offer safer and more accessible alternatives to autologous CAR-T treatments.

BiotechHealthtechSouth San Francisco, US

Paul Hastings(Executive Officer, Director)inPaul H.inMatthew Plunkett(Executive Officer)inPaul J. Hastings(Chief Executive Officer)in

BoardMichael Dybbs(Director)Jill Carroll(Director)in

Co-investorsNew Enterprise Associates (NEA)RA CapitalSamsara BioCapitalSR One Capital ManagementAmgen VenturesNorwest Venture Partners+1 more

Olemaolema.comin𝕏NASDAQ: OLMA

Olema is a clinical-stage biopharmaceutical company developing novel therapies for metastatic breast cancer and other endocrine-driven cancers, targeting nuclear receptors and mechanisms of acquired resistance.

BiotechHealthtechSan Francisco, US

Cyrus L. Harmon, Ph.D.(Director)Cyrus Harmon(Executive Officer, Director)inCyrus L. Harmon(Director)inDavid C. Myles, Ph.D.(Executive Officer)Sean Bohen, M.D., Ph.D.(Executive Officer, Director)Naseem Zojwalla, M.D.(Executive Officer)in

Co-investorsAvoro Capital AdvisorsBain Capital Life SciencesForesite CapitalLightspeed Venture PartnersRA CapitalBiotechnology Value Fund+1 more

NiKang Therapeuticsnikangtx.comMay 2021

NiKang Therapeutics is a clinical-stage biotechnology company developing small molecule drugs for cancer, using structure-based drug design against targets such as HIF2α, CDK2, KRAS, and SHP2.

BiotechHealthtechWilmington, CN

Yan Lou(Founder)inZhenhai Gao(President, CEO, and Secretary)Hong (Kelsey) Chen(Chief Financial Officer)

BoardGary Yeung(Director)Ting Jia(Director)Roderick Wong(Director)

Co-investorsEcoR1 CapitalLAVLilly Asia VenturesRA CapitalSamsara BioCapitalThe Innovation Space

Exits · 3

3 IPOs

Alx OncologyNASDAQ: ALXONkarta, Inc.NASDAQ: NKTXOlemaNASDAQ: OLMA

Portfolio news

latest coverage across their companies

IPO stake values · per SEC filings · 2

Value of this firm's stake in each portfolio company at its IPO price, from the prospectus principal-stockholder table.

CompanyOwnedIPO priceAt IPOStake value
Alx Oncology7.9%$76.00Dec 2020$238.4M
Olema6.7%$19.00Nov 2020$49.1M

Source: SEC S-1 / 424B prospectus filings. Stake value = shares beneficially owned × the initial public offering price, as disclosed — a market value at IPO, not a return multiple (the firm's original cost is not disclosed).

Frequently asked questions

What stage does Logos invest at?
Logos invests at the Series A, Series B stages.
What sectors does Logos focus on?
Logos focuses on Biotech, Digital Health, Healthtech.
Where is Logos located?
Logos is headquartered in San Francisco, US.

Images

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