# Sydnexis: Manufacturing, Del Mar, United States

> Sydnexis: Sydnexis is engaged in the development of a proprietary treatment for pediatric progressive myopia. Based in Del Mar, United States. Founded 2014.

Source: https://millionrounds.com/startup/sydnexis (Millionrounds; every figure on the page links to its filing or article)

United States · [Manufacturing startup](https://millionrounds.com/companies)

# Sydnexis

Sydnexis is engaged in the development of a proprietary treatment for pediatric progressive myopia.

Funding reported Last round: Series B

Manufacturing Del Mar, United States

Company summary

- **Founded:** 2014 12 years old
- **Team:** 11 11 to 50 people
- **Funding reported:** $50M in dollars
- **Last round:** Series B Aug 2021

How sure we are

- ✓ **Listed** We know it exists and what it does
- 2 **Funding reported** A company dataset reports a raise
- 3 **Observed** A filing or a dated announcement confirms a round

No round for Sydnexis has been confirmed by a filing or an announcement yet, so nothing here counts toward an investor's record. [How we decide](https://millionrounds.com/methodology)

## What company datasets say Sydnexis raised

Funding, as reported

Reported in all **$50M** in dollars

Rounds **2**

Last round **Series B**

Last round date **Aug 2021**

Investors listed **6**

SEC Form D **$72M sold, 4 filings, last Apr 2025**

## Founders and team

From Sydnexis's own website: 5 on the team.

- **Perry J. Sternberg** Chief Executive Officer
- **Paul Chu** Vice President, Finance and Business Development
- **Nick Ruth** Chief Commercial Officer
- **Jeffry Weinhuff** Chairman of the Board of Sydnexis
- **Laura Scott** Executive Business Partner to Perry Sternberg

## On 3 portfolio pages

Investors who name them

- [Longitude Capital](https://millionrounds.com/fund/longitude-capital)
- [Bluestem Capital](https://millionrounds.com/fund/bluestem-capital-company-llc)
- [Visionary Ventures Fund](https://millionrounds.com/fund/visionary-ventures-fund)

Each firm lists Sydnexis on its own website. That is the firm's claim, a weaker thing than a round we watched, but a named source.

## Manufacturing in United States

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- [**Westmag** South San Francisco *Raised*](https://millionrounds.com/company/westmag)
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- [**OnCore Golf Technology** Buffalo · founded 2009](https://millionrounds.com/startup/oncore-golf-technology)
- [**Ignium** Rockville](https://millionrounds.com/startup/ignium-2)
- [**Highland Materials** Johnson City · founded 2023](https://millionrounds.com/startup/highland-materials)
- [**SiO2 Materials Science** Auburn · founded 2012](https://millionrounds.com/startup/sio2-materials-science)
- [**Dollar Shave Club** Marina Del Rey · founded 2011](https://millionrounds.com/startup/dollar-shave-club)

## Is this your company?

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