/Companies

Xilis, Inc.

Durham, US · Founded 2019 · Delaware corporation · 11 known investors

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Founders & leadership

Xilis, Inc. was founded in 2019 by Xiling Shen and David Shiaowen.

XS
Xiling ShenCo-founder
DS
David ShiaowenCo-founder
WR
William Roy SmytheExecutive

Board

AH
Alaa HalawaBoard directorGeneral Partner at MC Healthcare Ventures
JDJohn de Koning
John de KoningBoard directorPartner at EQT Life Sciences

Investors · 11

Also in the syndicate · 1

FPV Ventureslead

Reported raises · per SEC filings

Form D private placements

$110.8M disclosed across 4 rounds · 2019–2025

▶$19.4MraisedApr 2025 · 9 investors · Biotechnology
Rule 506(b)
Officers, directors & promoters on the filing
  • Alaa HalawaDirector
  • John de KoningDirector
  • William Roy SmytheExecutive Officer, Director
Offering amount
$19.4M
Amount sold
$19.4M
First sale
Apr 2025
Incorporated
Corporation, Delaware
Federal exemptions
06b
Full filing on SEC EDGAR ↗
▶$16.5MraisedJul 2022 · 14 investors · Biotechnology
Rule 506(b)
Officers, directors & promoters on the filing
  • David HsuExecutive Officer, Director
  • Halawa AlaaExecutive Officer, Director
  • Xiling ShenExecutive Officer, Director
  • Wesley ChanExecutive Officer, Director
Offering amount
$16.5M
Amount sold
$16.5M
First sale
Jun 2022
Incorporated
Corporation, Delaware, 2019
Federal exemptions
06b
Full filing on SEC EDGAR ↗
▶$70MraisedJul 2021 · 17 investors · Biotechnology
Rule 506(b)
Officers, directors & promoters on the filing
  • David HsuDirector
  • Xiling ShenExecutive Officer, Director
Offering amount
$70M
Amount sold
$70M
First sale
Jun 2021
Incorporated
Corporation, Delaware, 2019
Federal exemptions
06b
Full filing on SEC EDGAR ↗
▶$4.8MraisedMay 2020 · 8 investors · Other Health Care
Rule 506(b)
Officers, directors & promoters on the filing
  • Xiling ShenExecutive Officer, Director, Promoter
  • David ShiaowenDirector
Offering amount
$4.8M
Amount sold
$4.8M
First sale
Nov 2019
Incorporated
Corporation, Delaware, 2019
Federal exemptions
06b
Full filing on SEC EDGAR ↗

Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.

Frequently asked questions

Who founded Xilis, Inc.?
Xilis, Inc. was founded by Xiling Shen, David Shiaowen in 2019.
Who are Xilis, Inc.'s investors?
Xilis, Inc.'s investors include GV (Google Ventures), Alexandria, Alix Ventures, Catalio Capital Management, EQT Life Sciences, Felicis Ventures, MC Healthcare Ventures, Mubadala Capital and 2 more.
How much funding has Xilis, Inc. raised?
Xilis, Inc. has disclosed $110.8M raised across 4 rounds.
Where is Xilis, Inc. headquartered?
Xilis, Inc. is headquartered in Durham, US.