# Card Sound Capital

> Card Sound Capital is a VC fund in Denver backing Textiles, Recycling and Sustainability. See 3 investments, check sizes, portfolio. Updated Aug 2026.

- Type: VC Fund
- Location: Denver, United States
- Total investments: 3
- Last investment: Jul 2022
- Lead investor: 0%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/company/card-sound-capital
- Website: https://cardsoundcapital.com/

Card Sound Capital is a VC fund in Denver focused on Textiles and Recycling. Card Sound Capital is provides capital and support to successful early and growth stage companies with the goal of creating sustained value. At CSC, we traditionally invest in the personalized healthcare sector and disruptive technology companies seeking to drive a positive social or environmental impact alongside strong financial performance.

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Textiles | 1 | 33% |
| Recycling | 1 | 33% |
| Sustainability | 1 | 33% |
| Service Industry | 1 | 33% |

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Series A | 1 | 33% |
| Series B | 1 | 33% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Circ | Circ helps industries meet consumer expectations for sustainability without compromises in quality, price, or convenience. It recycles discarded clothing to produce the basis of petroleum- and plant-based fabrics. Tyton’s virgin-equivalent, market-grade dissolving pulp, and petroleum monomers can be sold at the same cost as virgin materials tomanufacturers who make fibers. Whether cotton, poly-cotton, polyester, nylon, or other fibers, it aims to cost-effectively recycle these materials using water as a solvent. It was founded in 2011 and is headquartered in Danville, Virginia. | $30M | Series B | Jul 12, 2022 |  |
| Circ | Circ helps industries meet consumer expectations for sustainability without compromises in quality, price, or convenience. It recycles discarded clothing to produce the basis of petroleum- and plant-based fabrics. Tyton’s virgin-equivalent, market-grade dissolving pulp, and petroleum monomers can be sold at the same cost as virgin materials tomanufacturers who make fibers. Whether cotton, poly-cotton, polyester, nylon, or other fibers, it aims to cost-effectively recycle these materials using water as a solvent. It was founded in 2011 and is headquartered in Danville, Virginia. | $30M | Series B | Jul 12, 2022 |  |
| Circ | Circ helps industries meet consumer expectations for sustainability without compromises in quality, price, or convenience. It recycles discarded clothing to produce the basis of petroleum- and plant-based fabrics. Tyton’s virgin-equivalent, market-grade dissolving pulp, and petroleum monomers can be sold at the same cost as virgin materials tomanufacturers who make fibers. Whether cotton, poly-cotton, polyester, nylon, or other fibers, it aims to cost-effectively recycle these materials using water as a solvent. It was founded in 2011 and is headquartered in Danville, Virginia. | $8M | Series A | Jan 10, 2020 |  |

3 of 3 investments shown.

## Co-investors
- [Alante Capital](https://shizune.co/investors/profile/alante-capital) — VC Fund, 3 deals together
- Marubeni America Corporation — VC Fund, 3 deals together
- [8090 Partners](https://shizune.co/investors/profile/8090-partners) — VC Fund, 2 deals together
- [Breakthrough Energy Ventures](https://shizune.co/investors/profile/breakthrough-energy-ventures) — VC Fund, 2 deals together
- [Circulate Capital](https://shizune.co/investors/profile/circulate-capital) — VC Fund, 2 deals together
- [Envisioning Partners](https://shizune.co/investors/profile/envisioning-partners) — VC Fund, 2 deals together

## Similar investors

### Similar stage
- [Antler](https://shizune.co/investors/profile/antler-be9c) — VC Fund
- [Alumni Ventures](https://shizune.co/investors/profile/alumni-ventures-group) — VC Fund
- [General Catalyst](https://shizune.co/investors/profile/general-catalyst-partners) — VC Fund

## FAQ

### What does Card Sound Capital invest in?

Card Sound Capital invests primarily in Textiles, Recycling and Sustainability startups, most often at Series A and Series B stage. Most of the 3 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### When did Card Sound Capital last invest?

The most recent investment recorded for Card Sound Capital closed in Jul 2022. Shizune tracks 3 investments in total for this profile, including round sizes, stages and portfolio companies, all sourced from confirmed public funding rounds and refreshed monthly.

### Is Shizune's investor data accurate?

Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.

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