OpenRegistry
UK companies/Company owner profile

SYNCONA PORTFOLIO LTD

Foreign holder
GUERNSEY·15 UK shareholdings·2 ownership layers

SYNCONA PORTFOLIO LTD is a corporate shareholder registered in GUERNSEY and holds shares in 15 active UK companies, recorded across 35 share-class positions on their Companies House confirmation statements (CS01). Beneath those direct holdings OpenRegistry resolves a further 6 companies spanning 2 ownership layers, of which 12 direct holdings are themselves holding companies; the persons-with-significant-control register independently agrees on 3 of these holdings. It ranks #688 of 54,210 corporate shareholders by number of active UK holdings. Programmatic access via MCP at https://openregistry.sophymarine.com/mcp.

Companies held
15
Share-class positions
35
Identity
GUERNSEY entity
Jurisdiction
GUERNSEY
Ownership layers below
2
Holdings that are holding companies
12
PSC register agrees on
3 holdings

Company profile

SYNCONA PORTFOLIO LTD is a GUERNSEY entity; OpenRegistry holds no UK register profile for it.

Shareholders

Shares held by SYNCONA PORTFOLIO LTD in 15 UK companies

Shareholdings

Every company SYNCONA PORTFOLIO LTD appears on as a member, as filed. 15 of 15 are linked to their Companies House profile.

Company heldStatusAccountsShare classShares% of class% of capitalTotal % of capitalAs of
SLINGSHOT THERAPEUTICS HOLDINGS LIMITED openregistry-gb-15871470ActiveSMALLORDINARY5,601,000100.00%100.00%100.00%2025-08-01
MOSAIC THERAPEUTICS LIMITEDopenregistry-gb-12780154ActiveSMALLSERIES A2 PREFERRED36,400,00076.67%58.39%70.16%2025-07-29
SERIES A1 PREFERRED7,333,333100.00%11.76%
KESMALEA THERAPEUTICS LIMITEDopenregistry-gb-12961631ActiveSMALLSERIES A PREFERRED20,000,00080.00%61.13%61.13%2025-10-19
RE-AIM THERAPEUTICS LTDopenregistry-gb-15689618ActiveSMALLSERIES SEED138,46164.29%42.05%42.05%2026-04-28
QUELL THERAPEUTICS LIMITEDopenregistry-gb-11890040ActiveFULLSERIES A PREFERRED45,171,42997.14%27.18%35.13%2026-04-28
SERIES B PREFERRED13,227,51313.96%7.96%
OMASS THERAPEUTICS LIMITEDopenregistry-gb-10028228ActiveFULLSERIES A20,299,49663.59%22.52%32.25%2026-03-12
SERIES B8,771,92917.54%9.73%
BIOMODAL LIMITEDopenregistry-gb-08005377ActiveGROUPORDINARY766,72920.68%2.86%2.86%2026-03-26
PURESPRING THERAPEUTICS LIMITEDopenregistry-gb-12543677ActiveSMALLDEFERRED1002026-03-31
SERIES A PREFERRED35,100,000
SERIES B110,805,675
SERIES B224,843,892
RESOLUTION THERAPEUTICS LIMITEDopenregistry-gb-11112568ActiveGROUPSERIES B (T2)31,280,7162026-01-31
SERIES B (T1)25,648,668
SERIES A PREFERRED37,942,026
FORCEFIELD THERAPEUTICS LIMITEDopenregistry-gb-12983133ActiveSMALLDEFERRED1002025-10-21
SERIES A1 PREFERRED1,839,081
SERIES SEED PREFERRED5,500,000
YELLOWSTONE BIOSCIENCES LIMITEDopenregistry-gb-14606478ActiveSMALLORDINARY900,0002025-01-19
SERIES A16,500,000
SWANBIO THERAPEUTICS LIMITEDopenregistry-gb-10942620ActiveTOTAL EXEMPTION FULLSERIES B PREFERRED02024-08-31
SERIES A PREFERRED0
GYROSCOPE THERAPEUTICS HOLDINGS LIMITED openregistry-gb-13086765ActiveDORMANTB ORDINARY02022-12-16
SERIES A PREFERRED0
SERIES B PREFERRED0
SERIES C1 PREFERRED0
SERIES C2 PREFERRED0
BEACON THERAPEUTICS HOLDINGS LIMITED openregistry-gb-14303840ActiveGROUPORDINARY8,000,0002025-08-17
SERIES A PREFERRED75,000,000
SERIES B1 PREFERRED11,138,143
SERIES B2 PREFERRED10,676,987
SPUR THERAPEUTICS HOLDINGS LIMITED openregistry-gb-15295548ActiveGROUPSERIES A PREFERRED116,385,7572025-11-19
SERIES B PREFERRED79,608,244

Ownership structure below these holdings

6 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 SYNCONA PORTFOLIO LTD:

Other corporate shareholders of comparable size registered in GUERNSEY: