# Third Sphere: portfolio, investments and team

> Third Sphere is a vc firm based in United States. 80 investments on record, 6 in the last 12 months, latest Aug 2026. Portfolio, stages, co-investors and team.

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

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

# Third Sphere

Last cheque observed Aug 2026; 80 cheques on record.

Email

Deploying now New fund $9.9M, May 2022 VC firm

Pre-seed Seed Series A Sustainable Public Policy Tech For Good

Follow Third Sphere and see its new cheques in your feed. [Start following](https://millionrounds.com/login?join=1&why=follow&next=%2Ffund%2Fthird-sphere)

Deploying now

**33%** of best year **6** **cheques in 12 months**, 80 on record

Since the last cheque **75** days **00** hrs **00** min **00** sec

Median round **$5.0M** Cheque size, as they say **$250K – $1.0M** Rounds led **0 of 80** Sole investor **7 rounds** Mostly in **United States, 74%**

Pitch Third Sphere

## Third Sphere highlights

- 01 6 cheques in the last 12 months
- 02 Mostly Venture and Series A: 65% of its rounds
- 03 Sole investor in 7 rounds, median $1.0M

## What they do

> We use early stage capital to upgrade systems. From their own website

- **Type:** VC firm (from a list, unverified)
- **Cheque size:** $250K – $1.0M as they say
- **Stages:** Pre-seed Seed Series A Series B
- **Sectors:** Sustainable Public Policy Tech For Good
- **Based in:** New York, United States
- **Cold pitches:** Not accepted

## The record

Every round we can evidence, newest first **80 appearances**

- **2026** 6 rounds
- **Aug** **[Sonic Fire Tech](https://millionrounds.com/company/sonic-fire-tech)** Seed · US · The O.H.I.O. Fund **$15M** With 3 others
- **Jul** **[ChargeLab](https://millionrounds.com/company/chargelab)** Grant · CA **$400K** With 2 others
- **Apr** **[Wasted*](https://millionrounds.com/company/wasted)** Venture · US **$3.2M** With 2 others
- **Apr** **[Sention Technologies](https://millionrounds.com/company/sention-technologies)** Grant · GB **$806K** With 1 other
- **Mar** **[Shellworks](https://millionrounds.com/company/shellworks)** Series A · GB **$15M** With 4 others
- **Mar** **[Flair](https://millionrounds.com/company/flair)** Series B · US **$5.7M** With 2 others
- **2025** 14 rounds
- **Oct** **[AccessGrid](https://millionrounds.com/company/accessgrid)** Seed · TechCrunch **$4.4M** With 4 others
- **Oct** **[Renew](https://millionrounds.com/company/renew)** Series A · US **$12M** With 5 others
- **Oct** **[Kiwibot](https://millionrounds.com/company/kiwibot)** Venture · US **$6.8M** With 4 others
- **Oct** **[Robot.com](https://millionrounds.com/company/robot-com)** Venture · US **$25M** With 5 others
- **Sept** **[Sonic](https://millionrounds.com/company/sonic)** Seed · US · TechStartups **$3.5M** With 11 others
- **Jul** **[Nevoya](https://millionrounds.com/company/nevoya)** Seed · US · TechCrunch **$9.3M** With 7 others
- **May** **[Sention Technologies](https://millionrounds.com/company/sention-technologies)** Seed · GB · Energy Revolution Ventures **$5.0M** With 8 others
- **Apr** **[Near Space Labs](https://millionrounds.com/company/near-space-labs)** Series B · US **$20M** With 4 others
- **Apr** **[Dorothy](https://millionrounds.com/company/dorothy)** Venture · US **$650K** With 4 others
- **Feb** **[Circuit](https://millionrounds.com/company/circuit)** Series B · US · AlleyWatch **$17M** With 4 others
- **Feb** **[3AM Innovations](https://millionrounds.com/company/3am-innovations)** US **$285K** With 2 others
- **Feb** **[Swellcycle](https://millionrounds.com/company/swellcycle)** Pre-seed · US **$1.0M** Sole investor
- **Jan** **[Resonant Link](https://millionrounds.com/company/resonant-link)** Series A · US **$3.4M** With 3 others
- **Jan** **[3AM Innovations](https://millionrounds.com/company/3am-innovations)** Venture · US **$750K** With 2 others
- **2024** 17 rounds
- **Dec** **[Flair](https://millionrounds.com/company/flair)** Venture · US **Undisclosed** With 2 others
- **Dec** **FireDome** Pre-seed **$3.0M** With 2 others
- **Nov** **[Shyft Power Solutions](https://millionrounds.com/company/shyft-power-solutions)** NG · Disrupt Africa **Undisclosed** With 9 others
- **Oct** **[Upshift](https://millionrounds.com/company/upshift)** Seed · US **$770K** With 2 others
- **Oct** **[GlacierGrid](https://millionrounds.com/company/glaciergrid)** Series A · US **$5.0M** With 1 other
- **Oct** **[Urbint](https://millionrounds.com/company/urbint)** Series C · US **$35M** With 4 others
- **Aug** **[Photon](https://millionrounds.com/company/photon)** Seed · US **$9.0M** With 7 others
- **Aug** **[Applied Carbon](https://millionrounds.com/company/applied-carbon)** Grant · US **$1.1M** With 4 others
- **Aug** **[Wright Electric](https://millionrounds.com/company/wright-electric)** Grant · US **$3.3M** With 4 others
- **Jul** **[Plentify](https://millionrounds.com/company/plentify)** ZA · Fireball Capital **Undisclosed** With 4 others
- **May** **[FIRMUS](https://millionrounds.com/company/firmus)** Venture · IL **Undisclosed** With 2 others
- **Apr** **[Oonee](https://millionrounds.com/company/oonee)** Crowdfunding · US **$146K** Sole investor
- **Feb** **[Gradient](https://millionrounds.com/company/gradient)** Series A · US **$9.5M** With 3 others
- **Feb** **[ChargeLab](https://millionrounds.com/company/chargelab)** Series A · CA **$30M** With 2 others
- **Feb** **[Loamist](https://millionrounds.com/company/loamist)** Pre-seed · US **$1.0M** Sole investor
- **Jan** **[Builders Patch](https://millionrounds.com/company/builders-patch)** Venture · US **Undisclosed** With 2 others
- **Jan** **[HAAS Alert](https://millionrounds.com/company/haas-alert)** Venture · US **Undisclosed** With 3 others
- **2023** 14 rounds
- **Oct** **[Kelvin](https://millionrounds.com/company/kelvin)** Venture · FR **Undisclosed** With 3 others
- **Sept** **[Partsimony](https://millionrounds.com/company/partsimony)** Venture · US **Undisclosed** With 3 others
- **Aug** **[Urbio](https://millionrounds.com/company/urbio)** Venture · CH **Undisclosed** With 1 other

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.

## The team

Named by the firm itself, on a filing, its Form ADV or its company registration **5 named**

MP **Mark Paris** Managing Partner i Filing they signed

SB **Shaun Baptiste Abrahamson** MANAGING PARTNER i Filing they signed

SB **Shilpi Baptiste Kumar** PARTNER i Filing they signed

SB **Stonly Baptiste Blue** PARTNER i Filing they signed

ZK **Zeev Krieger** Principal i Filing they signed

We also hold **7** people at this firm from the lists this database was built from: a weaker source than the filings, since a list does not say when a title ended. Login to see them.

## What they claim to have backed

From their own portfolio page (on their website)

**1** of 9 we have independently watched raise

[One Concern +More](https://millionrounds.com/company/one-concern) Applied Carbon +More Climatebase +More Dorothy +More Furno Materials +More Merino Energy +More Mill +More Singularity Energy +More T-Sync

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.

New fund on file

**$9.9M**

raised in May 2022

From its SEC filing, not a journalist: a firm that has just raised has money to deploy.

## The cheque

Pre-seed Seed Series A

Median round joined **$5.0M** the round, not its cheque Alone, median **$1.0M**

Led 0 of 80 rounds **0%**

- **Said size:** $250K – $1.0M
- **Sole investor:** 7 rounds
- **Last cheque:** Aug 2026

Rounds by stage said on their site

- Venture *27*
- Series A said *17*
- Seed said *12*
- Series B said *7*
- Pre-seed said *5*

Cheques by month Led Joined

Nov 2023 Oct 2026

Often in the room with

- [Techstars](https://millionrounds.com/fund/techstars) 7
- [Elemental Impact](https://millionrounds.com/fund/elemental-impact) 5
- [National Science Foundation](https://millionrounds.com/fund/nsf-small-business-innovation-research-small-business-techno) 5
- [Gaingels](https://millionrounds.com/fund/gaingels) 4
- [Revolution](https://millionrounds.com/fund/revolution) 4
- [US Department of Energy](https://millionrounds.com/fund/u-s-department-of-energy) 4

**Pitching Third Sphere?** Put them on your fundraising board with this record on the card, and follow them to hear when they write a new cheque.

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## Who they invest alongside

The investors most often in the same rounds as Third Sphere. A count of rooms they were both in, not a relationship either has claimed.

[**Techstars** VC firm **7** rounds together](https://millionrounds.com/fund/techstars)[**Elemental Impact** VC firm **5** rounds together](https://millionrounds.com/fund/elemental-impact)[**National Science Foundation** Government **5** rounds together](https://millionrounds.com/fund/nsf-small-business-innovation-research-small-business-techno)[**Gaingels** Private equity **4** rounds together](https://millionrounds.com/fund/gaingels)[**Revolution** VC firm **4** rounds together](https://millionrounds.com/fund/revolution)[**US Department of Energy** Government **4** rounds together](https://millionrounds.com/fund/u-s-department-of-energy)[**Climate Capital** VC firm **3** rounds together](https://millionrounds.com/fund/climate-capital)[**Collaborative Fund** VC firm **3** rounds together](https://millionrounds.com/fund/collaborative-fund)[**Creative Destruction Lab** Accelerator **3** rounds together](https://millionrounds.com/fund/creative-destruction-lab)[**Khosla Ventures** VC firm **3** rounds together](https://millionrounds.com/fund/khosla-ventures)[**LocalGlobe** VC firm **3** rounds together](https://millionrounds.com/fund/localglobe)[**Lowercarbon Capital** VC firm **3** rounds together](https://millionrounds.com/fund/lowercarbon-capital)

## Recently backed

The latest companies Third Sphere put money into.

[**Sonic Fire Tech** $15M · Aug 2026](https://millionrounds.com/company/sonic-fire-tech)[**ChargeLab** $400K · Jul 2026](https://millionrounds.com/company/chargelab)[**Shellworks** $15M · Mar 2026](https://millionrounds.com/company/shellworks)[**Flair** $5.7M · Mar 2026](https://millionrounds.com/company/flair)[**AccessGrid** $4.4M · Oct 2025](https://millionrounds.com/company/accessgrid)[**Renew** $12M · Oct 2025](https://millionrounds.com/company/renew)

## Quick answers about Third Sphere

### What does Third Sphere invest in?

Third Sphere invests most often at Venture and Series A (65% of the rounds on record), in sectors such as Sustainable, Public Policy and Tech For Good.

### How active is Third Sphere?

80 investments on record, 6 of them in the last 12 months. The most recent was in Aug 2026.

### What has Third Sphere invested in recently?

Its most recent investments on record: Sonic Fire Tech (Seed, Aug 2026), ChargeLab (Grant, Jul 2026) and Wasted* (Venture, Apr 2026).

### How big are Third Sphere's cheques?

The median round it joins is $5.0M. It says it writes cheques of $250K to $1.0M.

### Does Third Sphere lead rounds?

Rarely, if at all: none of its 80 investments on record names it as the lead.

### Where does Third Sphere invest?

Most of the companies it backs are in the United States (74%), the United Kingdom (8%) and Canada (5%).

### Is Third Sphere investing now?

Yes: it is actively investing, with 6 investments in the last 12 months.

### Who does Third Sphere invest alongside?

Most often Techstars (7 rounds together), Elemental Impact (5 rounds together) and National Science Foundation (5 rounds together).

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