Northern Gritstone — Activity | F4

Northern Gritstone Activity

Every public signal F4 has attached to this firm, with sources and cross-entity links.

Types

Time range

3 investments· MAY 2026 – JUL 2026Show all

Investment

Invested £2.5 million into Pixel-Flo, a University of Sheffield spinout.

Pixel-Flo

Pixel-Flo Northern Gritstone

northern-gritstone.comJUL 9, 2026

JUL 9, 2026

Investment

Invested £1.5 million into Silveray, developer of advanced X-ray detection materials.

Silveray

SilverayNorthern Gritstone

northern-gritstone.comJUN 17, 2026

JUN 17, 2026

Investment

Invested £2.5 million into techbio company Imperagen at seed stage.

Imperagen

Imperagen Northern Gritstone

northern-gritstone.comMAY 21, 2026

MAY 21, 2026

New Fund

Announced first £20M investment in rolling close from British Business Bank and Andrew Law, bringing total permanent capital to £382M.

£20M rolling close — permanent capital to £382M

Northern Gritstone

northern-gritstone.comAPR 23, 2026

APR 23, 2026

6 investments· AUG 2025 – MAR 2026Show all

Investment

Co-led £2 million pre-Seed round in AmpliSi, University of Sheffield spinout developing silicon anode battery materials.

AmpliSi

AmpliSi Northern Gritstone

northern-gritstone.comMAR 12, 2026

MAR 12, 2026

Investment

Led £3 million Seed round in Cytotrait, University of Manchester spinout for crop gene expression technology.

Cytotrait

Cytotrait Northern Gritstone

northern-gritstone.comMAR 9, 2026

MAR 9, 2026

Investment

Led £23 million Series A extension in Optalysys, Leeds-based photonic computing company developing FHE technology.

Optalysys

Optalysys Northern Gritstone

northern-gritstone.comJAN 22, 2026

JAN 22, 2026

Investment

Invested in IVFmicro, a University of Leeds spinout and graduate of the first NG Studios powered by KQ Labs programme.

IVFmicro

IVFmicro Northern Gritstone

northern-gritstone.comDEC 15, 2025

DEC 15, 2025

Investment

Invested in Sitehop, Sheffield-based deeptech company providing FPGA-powered quantum-safe network encryption.

Sitehop

Sitehop Northern Gritstone

northern-gritstone.comOCT 9, 2025

OCT 9, 2025

Investment

Invested in PhovIR, a deeptech near-infrared optical sensor spinout from the University of Manchester.

PhovIR

PhovIR Northern Gritstone

northern-gritstone.comAUG 19, 2025

AUG 19, 2025

News

Launched NG Studios accelerator programme in partnership with KQ Labs to support deep tech and quantum-adjacent spinouts.

NG Studios powered by KQ Labs launch

Northern Gritstone

northern-gritstone.comJUL 1, 2025

JUL 1, 2025

Investment

Invested in Apini Therapeutics, developer of novel small molecule treatments for chronic inflammatory bowel diseases.

Apini Therapeutics

Apini Therapeutics Northern Gritstone

northern-gritstone.comJUN 11, 2025

JUN 11, 2025

Investment

Invested in Literal Labs, Newcastle University spinout building energy-efficient AI algorithms using logic-based techniques.

Literal Labs

Literal LabsNorthern Gritstone

northern-gritstone.comJUN 2, 2025

JUN 2, 2025

New Fund

Raised £50M from Northern LGPS, Aviva, and Fulcrum Asset Management, bringing total permanent capital to £362M.

£50M fundraise — permanent capital to £362M

Northern Gritstone

northern-gritstone.comAPR 10, 2025

APR 10, 2025

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