- Companies
- Xilis
Xilis Funding, Investors & Competitors
Xilis has raised $111M across 4 funding rounds, most recently a $19M undisclosed-stage round in April 2025.
Last Xilis funding round
$19M
Undisclosed stage · Apr 2025
Cumulative funding Xilis raised
$111M
across 4 funding rounds
Key investors in Xilis
Felicis
Pear VC
Two Sigma Ventures
Alix Ventures
GV
EQT
Mubadala
Catalio Capital Management
About Xilis
Xilis is a Durham, North Carolina-based biotechnology company that engineers patient-derived organoid models for cancer precision medicine. Its platform supports diagnostics, drug screening, and model generation to match therapies with individual tumors. Xilis collaborates with oncologists and pharma companies to accelerate tailored treatments using high-throughput screening of biopsy samples.
Founded
2019
HQ
Website
Status
Privately held
Customer focus
B2B
Revenue model
Services
Xilis Funding History
Xilis has raised a total of $111M across 4 funding rounds.
Xilis' first fundraising round was a $3M seed round in December 2019. The most recent completed round was a $19M undisclosed-stage round in April 2025.
Xilis funding rounds
| Date | Stage | Investors | Raised | Deal Summary |
|---|---|---|---|---|
| Apr 2025 | Undisclosed stage | - | $19M | Xilis, Inc. is a biotechnology company founded in 2019 by Dr. Xiling Shen, Dr. David Hsu, and Dr. Hans Clevers, headquartered in Durham, North Carolina. It develops MicroOrganoSphere (MOS) technology, which generates thousands of miniature patient-derived tumors capturing tumor heterogeneity and microenvironment for therapeutic profiling, enabling personalized precision oncology and accelerating drug discovery and development for cancer patients and pharmaceutical companies. In July 2021, Xilis closed a $70 million Series A financing round led by Mubadala Capital, with participation from GV (formerly Google Ventures), LSP, Catalio Capital Management, Duke Angel Network, and existing investors Felicis Ventures, Two Sigma Ventures, Pear VC, KdT Ventures, and Alix Ventures. The funds support advancement of its diagnostic platform and MOS technology for precision therapy guidance and drug development. Xilis later extended its Series A by over $19 million led by FPV Ventures, with Alexandria Venture Investments and existing investors including EQT Life Sciences, Mubadala Capital Management, Pear Ventures, GV, Duke Angel Network, Catalio Capital Management, Two Sigma Ventures, Felicis Ventures, and Alix Ventures, bringing the total Series A to over $89 million. The company holds patents related to microfluidic systems for droplet generation, droplet imaging pipelines, patient-derived microorganospheres for precision oncology, and testing immuno-oncology drugs, with filings noted around April-May 2025. Xilis positions its AI-driven platform to predict therapeutic responses by analyzing patient tumors in native microenvironments, aiming to improve cancer care outcomes and reduce ineffective treatments. |
| Jul 2022 | Series A | FPV Ventures (lead); EQT; Pear VC; GV; Alexandria Venture Investments; Felicis; Catalio Capital Management; Alix Ventures; Mubadala; Antenna Ventures; Duke Angel Network; Two Sigma Ventures | $19M | Xilis, Inc. is a biotechnology company based in Durham, N.C., developing MicroOrganoSphere (MOS) technology to create patient-derived 3D models for guiding precision cancer therapy and accelerating drug discovery and development. Founded by Duke University professors, the platform enables high-throughput testing to predict patient responses and identify promising drug candidates. The Series A - II extension on July 13, 2022, raised $19 million, led by FPV Ventures with participation from new investor Alexandria Venture Investments and existing backers including EQT Life Sciences, Mubadala Capital Management, Pear VC, GV (Google Ventures), Duke Angel Network, Catalio Capital Management, Two Sigma Ventures, Felicis Ventures, and Alix Ventures. This extension brought the total Series A financing to over $89 million from the prior $70 million raised in 2021. The funding supports expansion of MOS technology into biopharma collaborations for drug discovery, clinical diagnostics programs, and partnered R&D efforts. CEO Xiling Shen noted the extension was completed at a step-up valuation amid challenging biotech market conditions, highlighting investor confidence in Xilis' progress in predictive diagnostics and drug development traction. FPV Ventures' Wesley Chan praised Xilis' scientific breakthroughs in personalized precision oncology. Prior to the extension, Xilis had raised $70 million in its initial Series A led by Mubadala Capital, with GV, LSP, Catalio, Duke Angel Network, and others, following earlier seed rounds totaling around $5 million. The company has secured investments from 15 investors across six funding rounds, reaching $94 million total raised by mid-2022. |
| Jul 2021 | Series A | Mubadala (lead); EQT; Pear VC; GV; Felicis; KdT Ventures; Catalio Capital Management; Alix Ventures; Duke Angel Network; Two Sigma Ventures | $70M | Xilis, Inc. is a biotechnology company developing MicroOrganoSphere (MOS) technology to create patient-specific 3D organoids for precision cancer therapy guidance, drug discovery, and development. Founded in 2019 by Duke University professors David Shen and David Hsu, along with Hans Clevers, the company launched with $3 million in seed funding and is based in Durham, North Carolina. The technology enables functional testing of tumors against a spectrum of therapies, addressing limitations of traditional companion diagnostics by evaluating multiple potential treatments simultaneously. On July 8, 2021, Xilis closed a $70 million Series A financing round led by Mubadala Capital, with participation from new investors GV (formerly Google Ventures), LSP, Catalio Capital Management, and Duke Angel Network, as well as existing investors Felicis Ventures, Two Sigma Ventures, Pear VC, KdT Ventures, and Alix Ventures. The funds were intended to advance the diagnostic platform, support clinical trials initially in colon and breast cancers followed by lung cancer, and expand applications in precision medicine. The Series A was later extended in July 2022 with an additional $19 million led by FPV Ventures, bringing the total round to over $89 million, with involvement from Alexandria Venture Investments and prior investors including EQT Life Sciences, Mubadala Capital Management, Pear Ventures, GV, Duke Angel Network, Catalio, Two Sigma, and Felicis. This extension aimed to enhance biopharma collaborations for drug discovery. Overall, Xilis has raised approximately $94 million across six funding rounds as of mid-2022. The company focuses on preclinical and clinical validation of its MOS platform to improve predictability in cancer treatments and accelerate drug development for physicians and biopharma partners. |
| Dec 2019 | Seed | Felicis (lead); Pear VC (lead); Two Sigma Ventures (lead); Liquid 2 Ventures; 8VC; KdT Ventures; Alix Ventures | $3M | Xilis is a biotechnology company developing MicroOrganoSphere (MOS) technology, which creates miniature patient tumors to guide precision therapy for cancer patients and accelerate drug discovery. The company, founded in 2019 as a Duke University spinout by Xiling Shen, David Hsu, and Hans Clevers, raised a seed round on September 26, 2019, led by Pear VC, followed by a Seed VC - II on December 6, 2019, with Felicis, 8VC, Liquid 2 Ventures, and others including the queried investors. These early rounds totaled around $3 million in seed funding. Xilis progressed to larger raises, including a $70 million Series A in 2021 led by Mubadala Capital with participation from GV, LSP, Catalio Capital Management, Duke Angel Network, Felicis Ventures, Two Sigma Ventures, Pear VC, KdT Ventures, and Alix Ventures to advance MOS technology and clinical studies. An extension brought the Series A total over $89 million in 2022, led by FPV Ventures. |
Who has invested in Xilis?
15 investors have backed Xilis across its funding rounds, including Felicis, Pear VC, Two Sigma Ventures, Alix Ventures, GV and EQT.
Lead investors include FPV Ventures, Mubadala, Felicis, Pear VC and Two Sigma Ventures.
Xilis Investors
| Investor | HQ | Rounds | Role | First check |
|---|---|---|---|---|
| 3 | Lead | Dec 2019 | ||
| 3 | Lead | Dec 2019 | ||
| 3 | Participant | Dec 2019 | ||
| 3 | Lead | Dec 2019 | ||
| 2 | Participant | Jul 2021 | ||
| 2 | Participant | Jul 2021 | ||
| 2 | Participant | Dec 2019 | ||
| 2 | Participant | Jul 2021 | ||
| 2 | Lead | Jul 2021 | ||
| 2 | Participant | Jul 2021 | ||
| 1 | Participant | Dec 2019 | ||
| 1 | Participant | Dec 2019 | ||
| 1 | Participant | Jul 2022 | ||
This data is available for Pro users. Sign up to see all 15 Xilis investors. Start Free Trial | ||||
Benchmark 350K+ Funding Rounds and Disclosed VC Valuation Multiples
Sign up to see data on 350K+ funding rounds and disclosed revenue and EBITDA valuation multiples, from seed, through growth stage, to pre-IPO.
Start Free TrialXilis Competitors
Xilis competitors include listed companies like Roche, Illumina and BillionToOne, and private ones like ArsenalBio, EverlyWell and Ankon Medical Technologies.
| Company | HQ | Status | Revenue | EBITDA | Valuation | Revenue Multiple |
|---|---|---|---|---|---|---|
| Publicly listed | $77B | $26B | $351B | 4.9x | ||
| Publicly listed | $4.3B | $1.4B | $37B | 8.4x | ||
| Publicly listed | $305M | $12M | $5.2B | 11.7x | ||
| Private | - | - | $1.9B | - | ||
| Private | $100M | - | $1.3B | 13.0x | ||
| Private | - | - | $870M | - |
Xilis Public Comps
Xilis is still privately-owned, but its public comps include Samsung, Johnson & Johnson, Roche, Thermo Fisher Scientific, Siemens, Abbott, Danaher, Intuitive Surgical, Medtronic and Stryker.
| Last FY | EV/Revenue | EV/EBITDA | ||||||
|---|---|---|---|---|---|---|---|---|
| Revenue | EBITDA | Last FY | LTM | 2027E | Last FY | LTM | 2027E | |
| $243B | $67B | 4.4x | 2.4x | 15.8x | 4.4x | |||
| $94B | $40B | 7.2x | 6.8x | 17.0x | 18.3x | |||
| $77B | $26B | 5.0x | 4.9x | 14.6x | 12.4x | |||
| $45B | $11B | 6.3x | 6.0x | 26.8x | 23.6x | |||
| $91B | $15B | 3.0x | 2.9x | 18.1x | 15.7x | |||
| $44B | $12B | 4.6x | 4.2x | 17.4x | 15.8x | |||
| $25B | $6.9B | 7.0x | 6.6x | 24.8x | 21.1x | |||
| $10B | $3.6B | 13.0x | 11.6x | 36.6x | 25.7x | |||
This data is available for Pro users. Sign up to see all Xilis competitors and their valuation data. Start Free Trial | ||||||||
Common questions about Xilis
| When was Xilis founded? | Xilis was founded in 2019. |
| Where is Xilis headquartered? | Xilis is headquartered in Durham, NC, United States. |
| Is Xilis publicly listed? | No, Xilis is a private, VC-backed company. |
| How much funding has Xilis raised? | Xilis has raised $111M across 4 funding rounds. |
| What was Xilis' last funding round? | Xilis' last funding round was a $19M undisclosed-stage round in April 2025. |
| Who are Xilis' investors? | Xilis' investors include Pear VC, Felicis, Alix Ventures, Two Sigma Ventures, EQT, GV, KdT Ventures, Catalio Capital Management, Mubadala, Duke Angel Network and 5 others. |
| Which companies are comparable to Xilis? | Companies comparable to Xilis include Roche, Illumina, BillionToOne, ArsenalBio, EverlyWell and Ankon Medical Technologies. |
See companies similar to Xilis
Start Your
Free Trial Today
Try Multiples for free for 3 days. Got questions or need a demo? Schedule a call with us below.




