Stone Ridge Holdings Group (SRHG) is a diversified financial services holding company founded in 2012 by Ross Stevens. It creates innovative capital markets solutions through industry-leading operating companies including Stone Ridge Asset Management (alternative investments), NYDIG (Bitcoin financial services), and reinsurance and energy businesses.
43% of their portfolio is in Fintech. Their most common stage is series-a (43% of deals). Average disclosed round size is $92.3M (across 6 rounds with reported amounts).
Portfolio
6
Fund Size
—
Top Stage
Series A
Last 12 Mo
0
Team
YZ
Yan Zhao
Co-founder and President and Head of the Investment Committee
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
7 investments
| Company | Round | Amount | Date |
|---|---|---|---|
 Backpackr | Series C | $16M | Jan 2023 |
 Unchained Capital | Series A | — | Jun 2021 |
 AltoIRA | Series A | $17M | Apr 2021 |
| AAlto Solutions | Series A | $17M | Apr 2021 |
 NYDIG | Growth | $200M | Mar 2021 |
 Offchain Labs | Seed | $3.7M | Apr 2019 |
| NYDIG | Growth | $300M | — |
Top Co-Investors
MassMutual2 shared
Worklife2 shared
FIS Impact Ventures2 shared
Unusual Ventures2 shared
Moment Ventures2 shared
Franklin Templeton2 shared
Acrew Capital2 shared
Alpha Edison2 shared
Carta2 shared
Coinbase Ventures2 shared
Soros Fund Management1 shared
FinTech Collective1 shared
Bessemer Venture Partners1 shared
Pantera Capital1 shared
Altos Ventures Management, Inc.1 shared
Vanderbilt University1 shared
Third Prime1 shared
Starting Line1 shared
Ecliptic Capital1 shared
Last updated: 9 September 2026