# Susquehanna Sustainable Investments (SSI): portfolio, investments and team

> Susquehanna Sustainable Investments (SSI) is a family office based in United States. 1 investment on record, 1 in the last 12 months, latest May 2026.

Source: https://millionrounds.com/fund/susquehanna-sustainable-investments (Millionrounds; every figure on the page links to its filing or article)

United States · [Investor](https://millionrounds.com/investors)

# Susquehanna Sustainable Investments (SSI)

Last cheque observed May 2026; 1 cheques on record.

Email

Deploying now Family office

Seed Series A Climate Clean_tech Agriculture

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Deploying now

**100%** of best year **1** **cheques in 12 months**, 1 on record

Since the last cheque **180** days **00** hrs **00** min **00** sec

Median round **$140M** Rounds led **0 of 1**

Pitch Susquehanna Sustainable Investments (SSI)

## Susquehanna Sustainable Investments (SSI) highlights

- 01 1 cheques in the last 12 months
- 02 Mostly Growth: 100% of its rounds

## What they do

> We are funded by the owners of Susquehanna International Group, LLP. From their own website

- **Type:** Family office
- **Cheque size:** Not stated
- **Stages:** Seed Series A
- **Sectors:** Climate Clean_tech Agriculture
- **Based in:** Bala Cynwyd, United States
- **Cold pitches:** Not accepted

## The record

Every round we can evidence, newest first **1 appearances**

- **2026** 1 round
- **May** **[Panthalassa](https://millionrounds.com/company/panthalassa)** Growth · US · TechStartups **$140M** With 26 others

An announcement gives the size of the round, not the size of this investor's cheque: the only rounds that imply a cheque are those where they were the sole named investor.

## What they claim to have backed

From their own portfolio page (on their website)

**30** of 56 we have independently watched raise

[Aigen](https://millionrounds.com/company/aigen)[Appliedcarbon](https://millionrounds.com/company/applied-carbon)[Basi-go](https://millionrounds.com/company/basigo)[Bedrockenergy](https://millionrounds.com/company/bedrock-energy)[Blueoceangear](https://millionrounds.com/company/blue-ocean-gear)[Boxpower](https://millionrounds.com/company/boxpower)[Carboncounts](https://millionrounds.com/company/carbon-counts)[Criticalenergy](https://millionrounds.com/company/critical-energy)[Datch](https://millionrounds.com/company/datch)[Derapi](https://millionrounds.com/company/derapi)[Dispatchgoods](https://millionrounds.com/company/dispatch-goods)[Ebbcarbon](https://millionrounds.com/company/ebb-carbon)[Electriceratechnologies](https://millionrounds.com/company/electric-era-technologies)[Enduringplanet](https://millionrounds.com/company/enduring-planet)[Euclidpower](https://millionrounds.com/company/euclid-power)[Flowlabs](https://millionrounds.com/company/flow-labs)[Hilos](https://millionrounds.com/company/hilos)[Hohonu](https://millionrounds.com/company/hohonu)[Klir](https://millionrounds.com/company/klir)[Nitricity](https://millionrounds.com/company/nitricity)[Okrasolar](https://millionrounds.com/company/okra-solar)[Panthalassa](https://millionrounds.com/company/panthalassa)[Plentify](https://millionrounds.com/company/plentify)[Rayleighsolartech](https://millionrounds.com/company/rayleigh-solar-tech)[Refiberd](https://millionrounds.com/company/refiberd)[Treeswift](https://millionrounds.com/company/treeswift)[Vibrantplanet](https://millionrounds.com/company/vibrant-planet)[Virtual-peaker](https://millionrounds.com/company/virtual-peaker)[Wasted](https://millionrounds.com/company/wasted)[Zanskar](https://millionrounds.com/company/zanskar) 280 Airform Aquatic-labs Bureo Calyxglobal Carbonade Copprint Elexity Exency Flair Foraybio Hephaeet Maiacarbon Noteworthy Omch2 Rhythmos SIG - CHINA SUSQUEHANNA GROWTH EQUITY SUSQUEHANNA PRIVATE CAPITAL Sig-asiavc Terra Terralinetrucks Thecropproject Thelimeloop Windscape Yellow

Weaker than a round we watched, stronger than a list somebody sold us. A firm is far less willing to put a company on its own site that it never funded.

## The cheque

Seed Series A

Median round joined **$140M** the round, not its cheque

Led 0 of 1 rounds **0%**

- **Sole investor:** Never alone
- **Last cheque:** May 2026

Rounds by stage said on their site

- Growth *1*
- Seed said *-*
- Series A said *-*

Cheques by month Led Joined

Dec 2023 Nov 2026

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## Recently backed

The latest companies Susquehanna Sustainable Investments (SSI) put money into.

[**Panthalassa** $140M · May 2026](https://millionrounds.com/company/panthalassa)

## Quick answers about Susquehanna Sustainable Investments (SSI)

### What does Susquehanna Sustainable Investments (SSI) invest in?

Susquehanna Sustainable Investments (SSI) invests most often at Growth (100% of the rounds on record), in sectors such as Climate, Clean_tech and Agriculture.

### How active is Susquehanna Sustainable Investments (SSI)?

1 investments on record, 1 of them in the last 12 months. The most recent was in May 2026.

### What has Susquehanna Sustainable Investments (SSI) invested in recently?

Its most recent investments on record: Panthalassa (Growth, May 2026).

### How big are Susquehanna Sustainable Investments (SSI)'s cheques?

The median round it joins is $140M.

### Is Susquehanna Sustainable Investments (SSI) investing now?

Yes: it is actively investing, with 1 investments in the last 12 months.

### What kind of investor is Susquehanna Sustainable Investments (SSI)?

Susquehanna Sustainable Investments (SSI) is a family office based in Bala Cynwyd, United States.

### Where does this information on Susquehanna Sustainable Investments (SSI) come from?

From 3 articles and filings naming it in a round, public registers and its own website, checked and rebuilt every night.

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