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ADVENT LIFE SCIENCES LLP UK registered
openregistry-gb-OC347034 · 8 UK shareholdings· 2 ownership layers
ADVENT LIFE SCIENCES LLP is a UK-registered corporate shareholder (Companies House number OC347034) and holds shares in 8 active UK companies, recorded across 24 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 3 direct holdings are themselves holding companies; the persons-with-significant-control register independently agrees on 5 of these holdings. Sophymarine OpenRegistry ID openregistry-gb-OC347034. It ranks #2,330 of 54,210 corporate shareholders by number of active UK holdings. Programmatic access via MCP at https://openregistry.sophymarine.com/mcp .
Identity
UK company OC347034
Jurisdiction
UNITED KINGDOM
Holdings that are holding companies
3
PSC register agrees on
5 holdings
Shareholdings Every company ADVENT LIFE SCIENCES LLP appears on as a member, as filed. 8 of 8 are linked to their Companies House profile.
Company held Status Accounts Share class Shares % of class % of capital Total % of capital As of AVIADOBIO LTD ▼ openregistry-gb-12373955 Active GROUP SERIES A PREFERRED 5,234,279 9.69% 5.84% 9.18% 2025-12-19 SERIES SEED PREFERRED 2,422,377 20.19% 2.70% SERIES B PREFERRED 577,647 3.72% 0.64% PROXIMIE LIMITED openregistry-gb-10509541 Active GROUP SERIES C PREFERRED 4,491,556 15.06% 5.60% 5.60% 2025-12-04 VENTUS MEDICAL LIMITED openregistry-gb-09364884 Active SMALL A ORDINARY 484,756 3.44% 2.94% 2.94% 2025-12-19 PHENO THERAPEUTICS LIMITED openregistry-gb-SC612347 Active SMALL SERIES SEED PREFERRED SHARES 68,738 1.37% 0.86% 1.42% 2023-10-30 ORDINARY £0.0001 44,680 1.49% 0.56% SERIES A PREFERRED £0.0001 0 0.00% LEVICEPT LTD openregistry-gb-08190142 Active SMALL SERIES A-2 19,008 1.23% 0.63% 0.74% 2026-01-26 SERIES B-1 2,674 0.55% 0.09% SERIES B-2 331 0.15% 0.01% SERIES B-3 249 0.45% 0.01% AMPHISTA THERAPEUTICS LIMITED openregistry-gb-11119959 Active GROUP SERIES A PREFERRED 118,311 1.67% 0.48% 0.71% 2025-12-06 SERIES B PREFERRED 45,834 0.30% 0.19% ORDINARY 10,310 0.53% 0.04% F2G LTD openregistry-gb-03578625 Active GROUP SERIES D CONVERTIBLE PREFERRED 75,690 3.24% 0.21% 0.45% 2025-06-10 SERIES E CONVERTIBLE PREFERRED 45,811 0.65% 0.12% SERIES 1 C CONVERTIBLE PREFERRED 181,800 0.08% SERIES 2 C CONVERTIBLE PREFERRED 90,899 0.04% SERIES F CONVERTIBLE PREFERRED 145,994 0.42% 0.00% SERIES G CONVERTIBLE PREFERRED 4,161 0.01% 0.00% SERIES H1 CONVERTIBLE PREFERRED 1,901 0.00% 0.00% SERIES H CONVERTIBLE PREFERRED 4,262 0.01% 0.00% ALS III MEMBER CO LIMITED openregistry-gb-11397908 Active MICRO ENTITY ORDINARY 1 2026-06-04
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 ADVENT LIFE SCIENCES LLP:
Other corporate shareholders of comparable size registered in UNITED KINGDOM:
Need the registered office, SIC code, accounts and filing history for ADVENT LIFE SCIENCES LLP? Open its Companies House profile at https://openregistry.sophymarine.com/insights/gb/OC347034-advent-life-sciences-llp .
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