ADA VENTURES II LP

UK registered

Companies House number LP022533·18 UK shareholdings·2 ownership layers

ADA VENTURES II LP is a UK-registered corporate shareholder (Companies House number LP022533) and holds shares in 18 active UK companies, recorded across 19 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 1 direct holdings are themselves holding companies. It ranks #480 of 54,210 corporate shareholders by number of active UK holdings. Programmatic access via MCP at https://openregistry.sophymarine.com/mcp.

Companies held
18

Share-class positions
19

Identity
UK company LP022533

Jurisdiction
UNITED KINGDOM

Ownership layers below
2

Holdings that are holding companies
1

Company profile

Companies House profile of ADA VENTURES II LP

Shareholders

Shares held by ADA VENTURES II LP in 18 UK companies

Ownership chain

1 companies across 2 layers beneath ADA VENTURES II LP

Official record

Companies House record LP022533

Shareholdings

Every company ADA VENTURES II LP appears on as a member, as filed. 18 of 18 are linked to their Companies House profile.

Company held	Status	Accounts	Share class	Shares	% of class	% of capital	Total % of capital	As of
GREENWORKX LTD14178456	Active	TOTAL EXEMPTION FULL	SEED PREFERRED	2,273	21.32%	6.22%	10.87%	2026-05-22
GREENWORKX LTD14178456	Active	TOTAL EXEMPTION FULL	SEED PREFERRED EXTENSION SHARES	1,702	21.58%	4.66%	10.87%	2026-05-22
MEDFIN AI LIMITED15891454	Active	MICRO ENTITY	PRE-SEED	128,175	53.83%	10.35%	10.35%	2025-08-11
RADIANT MATTER LTD12536048	Active	TOTAL EXEMPTION FULL	ORDINARY	21,006	12.04%	10.26%	10.26%	2026-04-12
BLAKBEAR LTD10916134	Active	TOTAL EXEMPTION FULL	SEED	9,504	40.29%	10.16%	10.16%	2023-12-13
JUNO BIO LIMITED11407635	Active	MICRO ENTITY	SERIES SEED CONVERTIBLE PREFERRED ORDINARY	1,501,642	35.58%	10.03%	10.03%	2024-06-10
MATERIALS NEXUS LIMITED13057449	Active	SMALL	SEED ORDINARY	27,325	24.09%	10.01%	10.01%	2025-12-01
VALLA LTD ▼SC658140	Active	TOTAL EXEMPTION FULL	PRE-SEED	164,766	35.96%	8.42%	8.42%	2025-11-12
CAREER EAR LIMITED11479497	Active	TOTAL EXEMPTION FULL	ORDINARY SHARES A	436	0.33%	0.33%	0.33%	2024-07-22
ALVIE HEALTH LIMITED11096924	Active	TOTAL EXEMPTION FULL	SEED CONVERTIBLE PREFERRED SHARES	0		0.00%		2026-03-19
LIVE MORE OFFLINE LTD12018655	Active	MICRO ENTITY	B SHARES	5,026				2024-05-27
MULTIOMIC HEALTH LIMITED13246608	Active	TOTAL EXEMPTION FULL	SEED PREFERRED	431,587				2026-04-30
NOGGIN HQ LTD13409453	Active	MICRO ENTITY	A ORDINARY	40,880				2024-09-11
PHINXT ROBOTICS LTD14034678	Active	MICRO ENTITY	SEED PREFERENCE SHARE	166,964				2025-04-07
WE ARE BLEND LTD14555906	Active	MICRO ENTITY	ORDINARY	624				2025-11-28
8ACK.COM LTD15760360	Active	TOTAL EXEMPTION FULL	PRE-SEED	2,533				2025-06-03
OTOIMMUNE LTD15799123	Active	TOTAL EXEMPTION FULL	PRE-SEED	126,104				2025-06-23
MAIVEN LTD15804960	Active	TOTAL EXEMPTION FULL	PRE-SEED	133,434				2025-06-25
TINKER TAILOR TALENT LIMITED16324763	Active	NO ACCOUNTS FILED	SERIES SEED 2	60,572				2026-03-17

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.

VALLA LTDSC658140
- DOUNCROFT LIMITEDSC127925 ORDINARY

Related company owners

Corporate shareholders that hold shares in the same UK companies as ADA VENTURES II LP:

ADA VENTURES SOC II LPLP022873 17 shared holdings
THE RESOLUTION FOUNDATION05588883 3 shared holdings
ATLAS VENTURES SYNDICATE LIMITED13952504 2 shared holdings
ALBION CROWN VCT PLC03495287 1 shared holding
ALBION TECHNOLOGY & GENERAL VCT PLC04114310 1 shared holding
ALBION ENTERPRISE VCT PLC05990732 1 shared holding

Other corporate shareholders of comparable size registered in UNITED KINGDOM:

HR GO PLC00924542 17 UK holdings
BEAUMONT RB HOLDINGS LIMITED13899212 18 UK holdings
STORY ENERGY LIMITED14086033 18 UK holdings
SUMER GROUP BIDCO LIMITED14257156 18 UK holdings

Every company on this page is identified by its original Companies House registration number, shown beside its name and repeated in the data-company-number attribute of the same element. A shareholder that does not resolve to a registered company carries no number.

▼ 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.