OpenRegistry
UK companies/Company owner profile

NORTHERN GRITSTONE LIMITED

UK registered
openregistry-gb-12982592·28 UK shareholdings·2 ownership layers

NORTHERN GRITSTONE LIMITED is a UK-registered corporate shareholder (Companies House number 12982592) and holds shares in 28 active UK companies, recorded across 42 share-class positions on their Companies House confirmation statements (CS01). Beneath those direct holdings OpenRegistry resolves a further 1 companies spanning 2 ownership layers, of which 2 direct holdings are themselves holding companies; the persons-with-significant-control register independently agrees on 14 of these holdings. Sophymarine OpenRegistry ID openregistry-gb-12982592. It ranks #208 of 54,210 corporate shareholders by number of active UK holdings. Programmatic access via MCP at https://openregistry.sophymarine.com/mcp.

Companies held
28
Share-class positions
42
Identity
UK company 12982592
Jurisdiction
UNITED KINGDOM
Ownership layers below
2
Holdings that are holding companies
2
PSC register agrees on
14 holdings

Company profile

Companies House profile of NORTHERN GRITSTONE LIMITED

Shareholders

Shares held by NORTHERN GRITSTONE LIMITED in 28 UK companies

Ownership chain

1 companies across 2 layers beneath NORTHERN GRITSTONE LIMITED

Official record

Companies House record 12982592

Shareholdings

Every company NORTHERN GRITSTONE LIMITED appears on as a member, as filed. 28 of 28 are linked to their Companies House profile.

Company heldStatusAccountsShare classShares% of class% of capitalTotal % of capitalAs of
MICROLUB LIMITEDopenregistry-gb-15032046ActiveTOTAL EXEMPTION FULLA ORDINARY60,03351.77%25.85%33.92%2025-07-26
ORDINARY18,75016.12%8.07%
PHOVIR TECHNOLOGIES LIMITEDopenregistry-gb-14756844ActiveMICRO ENTITYA ORDINARY29,62960.72%19.14%28.84%2025-09-29
ORDINARY15,00014.16%9.69%
LITERAL LABS LTDopenregistry-gb-14746541ActiveTOTAL EXEMPTION FULLA ORDINARY476,19056.02%24.75%24.75%2025-08-31
SILVERRAY LTDopenregistry-gb-11339711ActiveTOTAL EXEMPTION FULLA ORDINARY666,11249.77%20.17%24.20%2025-04-02
ORDINARY133,2246.78%4.03%
CAVERO QUANTUM LIMITEDopenregistry-gb-13028884ActiveTOTAL EXEMPTION FULLA ORDINARY380,18837.11%18.78%23.72%2024-11-17
ORDINARY100,00010.00%4.94%
OPTALYSYS LTDopenregistry-gb-08575493ActiveSMALLSERIES A560,05331.41%22.53%22.53%2026-06-05
APINI THERAPEUTICS LIMITEDopenregistry-gb-13767202ActiveSMALLSERIES A610,00018.86%14.40%15.94%2025-11-25
ORDINARY65,0006.50%1.53%
IMPERAGEN LIMITEDopenregistry-gb-13761050ActiveTOTAL EXEMPTION FULLORDINARY15,00015.00%6.25%12.29%2022-11-22
A1 ORDINARY14,49335.51%6.04%
CABLE COATINGS LIMITEDopenregistry-gb-10096075ActiveTOTAL EXEMPTION FULLSERIES SEED B PREFERENCE SHARES8,92817.80%7.06%7.06%2025-10-04
QV BIOELECTRONICS LTD.openregistry-gb-11608210ActiveTOTAL EXEMPTION FULLA ORDINARY210,94614.93%5.22%5.22%2026-03-23
EVOLUTOR LIMITEDopenregistry-gb-13882589ActiveMICRO ENTITYA ORDINARY14,89017.46%1.37%1.37%2025-01-30
ADSILICO LIMITEDopenregistry-gb-14263453ActiveTOTAL EXEMPTION FULLORDINARY150,0002024-07-28
A ORDINARY444,444
CRUCIBLE THERAPEUTICS LIMITEDopenregistry-gb-14690230ActiveSMALLORDINARY1,5002025-04-05
SEED10,000
NORTHERN GRITSTONE INVESTMENT MANAGER LIMITEDopenregistry-gb-15186303ActiveTOTAL EXEMPTION FULLORDINARY5,0002024-10-03
PIXEL-FLO LIMITEDopenregistry-gb-16387880ActiveNO ACCOUNTS FILEDA ORDINARY46,5092026-04-14
ORDINARY16,875
ICEOTOPE GROUP LIMITED ▼openregistry-gb-08783357ActiveGROUPSERIES B PREFERENCE5,1462025-11-24
SERIES B1 PREFERENCE4,116
PHAGENESIS LIMITEDopenregistry-gb-06308699ActiveSMALLSERIES D1 ORDINARY323,3102025-07-10
C-CAPTURE LIMITEDopenregistry-gb-06912622ActiveTOTAL EXEMPTION FULLORDINARY750,7512026-05-19
PRAGMATIC SEMICONDUCTOR LIMITEDopenregistry-gb-07423954ActiveFULLD ORDINARY29,2972025-10-29
FLOREON TECHNOLOGY LIMITEDopenregistry-gb-07850630ActiveTOTAL EXEMPTION FULLA ORDINARY98,6112025-04-19
RECOURSE AI LTD.openregistry-gb-11269312ActiveTOTAL EXEMPTION FULLORDINARY132,9792023-03-21
PENCIL BIOSCIENCES LIMITEDopenregistry-gb-11660861ActiveSMALLSEED28,3362026-05-24
SIMANALYTICA LIMITEDopenregistry-gb-11996161ActiveTOTAL EXEMPTION FULLC ORDINARY165,0162023-05-14
MIMETRIK SOLUTIONS LIMITEDopenregistry-gb-12456980ActiveTOTAL EXEMPTION FULLA ORDINARY74,9462024-02-10
OPTERAN TECHNOLOGIES LIMITEDopenregistry-gb-12494709ActiveTOTAL EXEMPTION FULLA2 SHARES121,6732026-03-02
A3 SHARES480,769
OLO ROBOTICS LTDopenregistry-gb-12516316ActiveMICRO ENTITYORDINARY B52,5812026-03-12
PHLUX TECHNOLOGY LTDopenregistry-gb-12908876ActiveTOTAL EXEMPTION FULLORDINARY82,5502025-09-27
SEED PREFERRED71,428
SERIES A211,590
AUXETEC LIMITEDopenregistry-gb-12925662ActiveTOTAL EXEMPTION FULLA ORDINARY9632025-10-02
ORDINARY375

Ownership structure below these holdings

1 further companies sit beneath this entity’s direct holdings, across 2 layers. Each is linked to its Companies House profile.

Related company owners

Corporate shareholders that hold shares in the same UK companies as NORTHERN GRITSTONE LIMITED:

Other corporate shareholders of comparable size registered in UNITED KINGDOM:

Need the registered office, SIC code, accounts and filing history for NORTHERN GRITSTONE LIMITED? Open its Companies House profile at https://openregistry.sophymarine.com/insights/gb/12982592-northern-gritstone-limited.

▼ marks a holding that itself holds shares in further companies, so ownership continues below it.

“% of capital” is the entity’s share of issued capital by nominal value, the correct basis when a company has multiple share classes.

Figures are as filed on each company’s most recent confirmation statement; the “As of” column gives that statement date. Source: Companies House Free Company Data and CS01 confirmation statements. Official record: find-and-update.company-information.service.gov.uk.