Twynam is the investment arm of the Kahlbetzer family office, founded in 1969 and headquartered in Sydney, Australia. Through its Twynym Earth Fund it invests in early-stage climate technology and deep-tech ventures driving global decarbonisation, writing cheques of US$100K–US$3M from pre-seed through Series B.
31% of their portfolio is in Climate & Energy. Deal activity decreased year-over-year (3 deals in the last 12 months vs 5 prior). Their most common stage is series-a (50% of deals). Average disclosed round size is $9.6M (across 14 rounds with reported amounts).
Portfolio
11
Fund Size
$50M
Top Stage
Series A
Last 12 Mo
3
Team
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
16 investments
| Company | Round | Amount | Date |
|---|---|---|---|
 Plasmaleap Technologies | Series A | $20M | Mar 2026 |
 Vycarb | Seed | $5M | Oct 2025 |
 Vycarb | Seed | $5M | Oct 2025 |
 Enmovil | Series A | $6M | Aug 2025 |
| IIgnis | Series A | $13.6M | Jun 2025 |
 Ignis H2 Energy | Series A | $13.6M | Jun 2025 |
 Hoofprint Biome | Series A | $15M | Apr 2025 |
| Enmovil | Seed | — | Jan 2025 |
| IIgnis | Series A | $13.6M | Jan 2025 |
| Vycarb | Pre-Seed | — | Oct 2024 |
 Earthodic | Pre-Seed | $1.9M | May 2023 |
 Voltpost | Seed | $3.6M | Jan 2023 |
| Enmovil | Series A | $6M | Jan 2021 |
 Evrnu | Unknown | $9.1M | Oct 2019 |
| Evrnu | Unknown | $9.1M | Jan 2019 |
| IIgnis Energy | Series A | $13.6M | — |
Top Co-Investors
Nabors Industries4 shared
Clocktower Technology Ventures3 shared
India Quotient3 shared
Investible2 shared
SGInnovate2 shared
MOL Switch2 shared
Closed Loop Partners2 shared
Magna Investment2 shared
Plum Alley Ventures2 shared
Radicle Impact2 shared
The Mills Fabrica2 shared
Barclays2 shared
existing shareholders1 shared
S2G Ventures1 shared
Gates Foundation1 shared
Yara Growth Ventures1 shared
Artesian1 shared
Plug and Play Tech Center1 shared
UniQuest1 shared
Last updated: 7 October 2026