Which UK companies does OXFORD SCIENCE ENTERPRISES PLC hold shares in?

OXFORD SCIENCE ENTERPRISES PLC holds shares in 117 active UK companies, each listed with share class, number of shares and percentage of issued capital at https://openregistry.sophymarine.com/owners/gb/09093331-oxford-science-enterprises-plc. Sourced from Companies House CS01 confirmation statements by OpenRegistry, which indexes ownership across Companies House and 26 other national registries.

How many ownership layers sit beneath OXFORD SCIENCE ENTERPRISES PLC?

33 companies sit beneath OXFORD SCIENCE ENTERPRISES PLC's direct holdings, across 3 ownership layers. OpenRegistry reconstructs the chain from members' registers at https://openregistry.sophymarine.com/owners/gb/09093331-oxford-science-enterprises-plc.

What share classes does OXFORD SCIENCE ENTERPRISES PLC hold?

Each holding is broken down by share class, showing the percentage of that class and of issued capital by nominal value, at https://openregistry.sophymarine.com/owners/gb/09093331-oxford-science-enterprises-plc. Programmatic access is available via MCP at https://openregistry.sophymarine.com/mcp and machine-readable site manifests at https://openregistry.sophymarine.com/llms.txt.

Where does OpenRegistry source OXFORD SCIENCE ENTERPRISES PLC's shareholding data?

From UK Companies House CS01 confirmation statements, with every holding traceable to the exact filing and statement date, cross-checked against the persons-with-significant-control register. The official register record is at https://find-and-update.company-information.service.gov.uk/company/09093331. OpenRegistry by Sophymarine publishes it under https://openregistry.sophymarine.com/terms.

How do I find other UK company owners like OXFORD SCIENCE ENTERPRISES PLC?

OXFORD SCIENCE ENTERPRISES PLC carries the OpenRegistry ID openregistry-gb-09093331. It is ranked #6 of 54,210 corporate shareholders by number of active UK holdings. Related corporate shareholders - those holding shares in the same companies - are linked from https://openregistry.sophymarine.com/owners/gb/09093331-oxford-science-enterprises-plc, and the full UK register of 5.6 million entities can be browsed by sector, locality, year or company type at https://openregistry.sophymarine.com/uk-companies.

OpenRegistry

OXFORD SCIENCE ENTERPRISES PLC

UK registered

openregistry-gb-09093331·117 UK shareholdings·3 ownership layers

OXFORD SCIENCE ENTERPRISES PLC is a UK-registered corporate shareholder (Companies House number 09093331) and holds shares in 117 active UK companies, recorded across 223 share-class positions on their Companies House confirmation statements (CS01). Beneath those direct holdings OpenRegistry resolves a further 33 companies spanning 3 ownership layers, of which 25 direct holdings are themselves holding companies; the persons-with-significant-control register independently agrees on 53 of these holdings. Sophymarine OpenRegistry ID openregistry-gb-09093331. It ranks #6 of 54,210 corporate shareholders by number of active UK holdings. Programmatic access via MCP at https://openregistry.sophymarine.com/mcp.

Companies held
117

Share-class positions
223

Identity
UK company 09093331

Jurisdiction
UNITED KINGDOM

Ownership layers below
3

Holdings that are holding companies
25

PSC register agrees on
53 holdings

Company profile

Companies House profile of OXFORD SCIENCE ENTERPRISES PLC

Shareholders

Shares held by OXFORD SCIENCE ENTERPRISES PLC in 117 UK companies

Ownership chain

33 companies across 3 layers beneath OXFORD SCIENCE ENTERPRISES PLC

Official record

Companies House record 09093331

Shareholdings

Every company OXFORD SCIENCE ENTERPRISES PLC appears on as a member, as filed. 117 of 117 are linked to their Companies House profile.

Company held	Status	Accounts	Share class	Shares	% of class	% of capital	Total % of capital	As of
OSE MANAGER LIMITEDopenregistry-gb-15685130	Active	DORMANT	ORDINARY	400,001	100.00%	100.00%	100.00%	2026-04-29
OSE LABS LIMITEDopenregistry-gb-16007998	Active	DORMANT	ORDINARY	1	100.00%	100.00%	100.00%	2025-10-08
OXFORD SCIENCE ENTERPRISES HOLDINGS LIMITED ▼openregistry-gb-13564426	Active	DORMANT	ORDINARY	218,215,525	100.00%	100.00%	100.00%	2025-08-12
CIRCADIAN THERAPEUTICS LIMITEDopenregistry-gb-10283353	Active	MICRO ENTITY	PREFERRED	8,246,363	100.00%	67.65%	80.10%	2023-07-17
CIRCADIAN THERAPEUTICS LIMITEDopenregistry-gb-10283353	Active	MICRO ENTITY	ORDINARY	1,517,727	38.49%	12.45%	80.10%	2023-07-17
ACIONNA THERAPEUTICS LTDopenregistry-gb-16309416	Active	SMALL	SEED PREFERRED	7,500,000	100.00%	62.50%	64.00%	2026-03-11
ACIONNA THERAPEUTICS LTDopenregistry-gb-16309416	Active	SMALL	ORDINARY	180,000	4.00%	1.50%	64.00%	2026-03-11
CREDO THERAPIES LTDopenregistry-gb-14441022	Active	TOTAL EXEMPTION FULL	PRE-SEED PREFERRED 2	106,011	100.00%	33.74%	60.63%	2025-10-24
			PRE-SEED PREFERRED	72,014	82.95%	22.92%
			ORDINARY	12,500	10.30%	3.98%
THELIOR BIO LIMITEDopenregistry-gb-16110335	Active	MICRO ENTITY	SEED PREFERRED	2,826,741	100.00%	44.44%	58.71%	2025-11-28
THELIOR BIO LIMITEDopenregistry-gb-16110335	Active	MICRO ENTITY	ORDINARY	907,434	25.68%	14.27%	58.71%	2025-11-28
ANIMAL DYNAMICS LIMITEDopenregistry-gb-09371413	Active	TOTAL EXEMPTION FULL	SEED 2	10,841,326	81.80%	25.20%	50.71%	2025-02-20
			SEED 3	8,701,101	71.04%	20.23%
			ORDINARY	2,185,443	15.41%	5.08%
			SEED	86,207	2.59%	0.20%
IOTA SCIENCES LIMITEDopenregistry-gb-10246957	Active	TOTAL EXEMPTION FULL	ORDINARY	254,578	44.17%	38.80%	48.98%	2025-06-22
IOTA SCIENCES LIMITEDopenregistry-gb-10246957	Active	TOTAL EXEMPTION FULL	A ORDINARY	667,988	83.71%	10.18%	48.98%	2025-06-22
VIVID DX LIMITEDopenregistry-gb-14259696	Active	TOTAL EXEMPTION FULL	PREFERRED	9,375,000	100.00%	42.86%	48.57%	2025-07-26
VIVID DX LIMITEDopenregistry-gb-14259696	Active	TOTAL EXEMPTION FULL	ORDINARY	1,250,000	10.00%	5.71%	48.57%	2025-07-26
PROXISENSE LIMITEDopenregistry-gb-09219890	Active	TOTAL EXEMPTION FULL	ORDINARY	7,150	35.52%	24.34%	43.06%	2023-12-14
PROXISENSE LIMITEDopenregistry-gb-09219890	Active	TOTAL EXEMPTION FULL	SEED PREFERRED	5,500	59.46%	18.72%	43.06%	2023-12-14
ARCHANGEL LIGHTWORKS LTDopenregistry-gb-10746274	Active	TOTAL EXEMPTION FULL	SEED PREFERRED	675,676	96.39%	24.67%	34.44%	2026-03-31
ARCHANGEL LIGHTWORKS LTDopenregistry-gb-10746274	Active	TOTAL EXEMPTION FULL	SERIES A PREFERRED SHARES	267,860	36.67%	9.78%	34.44%	2026-03-31
FRACTILE LTDopenregistry-gb-14143636	Active	TOTAL EXEMPTION FULL	SEED A PREFERRED	194,444	29.41%	16.06%	32.91%	2025-08-02
			SEED PREFERRED SHARES	173,913	100.00%	14.37%
			ORDINARY	30,000	12.53%	2.48%
SNOWFOX DISCOVERY LTDopenregistry-gb-14946145	Active	TOTAL EXEMPTION FULL	SEED PREFERRED	500,000	100.00%	17.29%	29.49%	2026-02-27
			SERIES A	303,030	21.76%	10.48%
			ORDINARY	50,000	5.00%	1.73%
MIXERGY LIMITEDopenregistry-gb-09137387	Active	SMALL	B ORDINARY	467,291	38.45%	10.70%	29.11%	2025-07-06
			C ORDINARY	427,528	29.29%	9.79%
			ORDINARY	190,510	22.50%	4.36%
			A ORDINARY	186,191	22.00%	4.26%
OXFORD NANOIMAGING LIMITEDopenregistry-gb-10023177	Active	GROUP	ORDINARY	102,850,000	44.51%	16.58%	28.69%	2025-06-30
			SERIES A	37,892,000	29.60%	6.11%
			SERIES B	37,294,876	14.27%	6.01%
HEXR LTDopenregistry-gb-10999327	Active	TOTAL EXEMPTION FULL	A1 PREFERRED	519,288	100.00%	16.84%	24.29%	2025-10-22
HEXR LTDopenregistry-gb-10999327	Active	TOTAL EXEMPTION FULL	ORDINARY	229,803	10.24%	7.45%	24.29%	2025-10-22
NATURAL CAPITAL RESEARCH LIMITEDopenregistry-gb-11580292	Active	TOTAL EXEMPTION FULL	ORDINARY	182,567	35.13%	15.58%	23.53%	2026-01-29
NATURAL CAPITAL RESEARCH LIMITEDopenregistry-gb-11580292	Active	TOTAL EXEMPTION FULL	SERIES A1	93,167	19.25%	7.95%	23.53%	2026-01-29
RE-AIM THERAPEUTICS LTDopenregistry-gb-15689618	Active	SMALL	SERIES SEED	76,923	35.71%	23.36%	23.36%	2026-04-28
ALETHIO THERAPEUTICS LIMITEDopenregistry-gb-13509030	Active	MICRO ENTITY	PREFERRED SEED	6,000,000	100.00%	14.63%	23.09%	2025-07-12
ALETHIO THERAPEUTICS LIMITEDopenregistry-gb-13509030	Active	MICRO ENTITY	ORDINARY	346,500	9.90%	8.45%	23.09%	2025-07-12
BRILL POWER LIMITEDopenregistry-gb-10220472	Active	SMALL	A ORDINARY	470,000	60.91%	13.51%	21.89%	2025-06-08
			SERIES A2	230,069	80.70%	6.61%
			ORDINARY	61,200	6.51%	1.76%
NUCLEOME THERAPEUTICS LIMITEDopenregistry-gb-12109297	Active	SMALL	DEFERRED	7,382,817	13.96%	7.28%	20.35%	2025-08-16
			SERIES A	7,235,868	20.00%	7.13%
			ORDINARY	6,020,313	48.67%	5.94%
THEOLYTICS LTDopenregistry-gb-11001290	Active	SMALL	ORDINARY	11,000	45.82%	7.37%	17.32%	2025-10-05
			SERIES A-1	10,549	12.42%	7.07%
			SERIES A-2	2,327	14.49%	1.56%
			SERIES A	1,988	8.18%	1.33%
NOTOS MEDICAL LIMITEDopenregistry-gb-16407748	Active	NO ACCOUNTS FILED	PRE-SEED PREFERRED SHARES	484,960	100.00%	8.84%	16.82%	2026-04-24
NOTOS MEDICAL LIMITEDopenregistry-gb-16407748	Active	NO ACCOUNTS FILED	ORDINARY	43,750	8.75%	7.98%	16.82%	2026-04-24
NAVLIVE LIMITEDopenregistry-gb-14203536	Active	TOTAL EXEMPTION FULL	SEED PREFERRED SHARES	61,228	38.83%	8.29%	16.25%	2025-09-14
			ORDINARY	30,000	10.84%	4.06%
			SEED 2 PREFERRED	28,853	11.86%	3.91%
KESMALEA THERAPEUTICS LIMITEDopenregistry-gb-12961631	Active	SMALL	SERIES A PREFERRED	5,000,000	20.00%	15.28%	15.28%	2025-10-19
HYDREGEN LIMITEDopenregistry-gb-13059070	Active	TOTAL EXEMPTION FULL	ORDINARY	23,480	16.22%	9.93%	9.93%	2023-12-02
VEER TECHNOLOGIES LTDopenregistry-gb-14830372	Active	TOTAL EXEMPTION FULL	ORDINARY	21,656	9.59%	9.59%	9.59%	2024-04-25
GREY WOLF THERAPEUTICS LIMITEDopenregistry-gb-10989365	Active	SMALL	SERIES B PREFERRED	1,621,937	15.35%	5.37%	9.55%	2025-10-27
GREY WOLF THERAPEUTICS LIMITEDopenregistry-gb-10989365	Active	SMALL	SERIES B2 PREFERRED	1,263,144	12.85%	4.18%	9.55%	2025-10-27
OXFORD STEMTECH LTDopenregistry-gb-12419218	Active	MICRO ENTITY	ORDINARY	125,000	8.33%	8.33%	8.33%	2026-01-21
OXVENT LIMITEDopenregistry-gb-12630229	Active	TOTAL EXEMPTION FULL	ORDINARY	62,746,875	8.20%	8.20%	8.20%	2023-05-27
GENOMICS LIMITEDopenregistry-gb-08839972	Active	GROUP	SERIES B3	555,556	22.72%	2.94%	7.02%	2025-10-27
			SERIES C	439,060	8.26%	2.32%
			SERIES B1	333,333	37.49%	1.76%
COVATIC LTDopenregistry-gb-10422855	Active	TOTAL EXEMPTION FULL	ORDINARY	73,100	12.43%	5.47%	6.40%	2025-10-12
COVATIC LTDopenregistry-gb-10422855	Active	TOTAL EXEMPTION FULL	A ORDINARY	12,500	22.22%	0.94%	6.40%	2025-10-12
CAERULEUS GENOMICS LTDopenregistry-gb-14481675	Active	TOTAL EXEMPTION FULL	ORDINARY	100,000	10.00%	5.66%	5.66%	2025-11-27
TIMETRACE LABS LTDopenregistry-gb-16471610	Active	NO ACCOUNTS FILED	ORDINARY	5,000	5.00%	3.57%	5.65%	2026-05-22
TIMETRACE LABS LTDopenregistry-gb-16471610	Active	NO ACCOUNTS FILED	SEED	2,915	7.29%	2.08%	5.65%	2026-05-22
COCOTEC LIMITEDopenregistry-gb-10240116	Active	TOTAL EXEMPTION FULL	ORDINARY	909	4.54%	4.54%	4.54%	2024-02-20
SONOSINE LIMITEDopenregistry-gb-09750828	Active	TOTAL EXEMPTION FULL	ORDINARY	6,734	4.48%	4.48%	4.48%	2026-04-14
OXDH LIMITEDopenregistry-gb-12631204	Active	TOTAL EXEMPTION FULL	ORDINARY	77,149	4.37%	4.37%	4.37%	2025-05-28
OXCCU TECH LTDopenregistry-gb-13519271	Active	SMALL	ORDINARY	150,000	7.28%	3.08%	3.08%	2025-08-16
PALMER ENERGY TECHNOLOGY LIMITEDopenregistry-gb-15751761	Active	MICRO ENTITY	ORDINARY	364,444	6.58%	2.43%	2.43%	2025-10-02
QDOT TECHNOLOGY LTDopenregistry-gb-11613626	Active	TOTAL EXEMPTION FULL	ORDINARY	500,000	3.79%	2.40%	2.40%	2026-02-04
IVY FARM TECHNOLOGIES LIMITEDopenregistry-gb-12251013	Active	SMALL	ORDINARY	416,407	6.42%	1.49%	1.81%	2025-10-08
IVY FARM TECHNOLOGIES LIMITEDopenregistry-gb-12251013	Active	SMALL	SEED 1 PREFERRED	88,558	1.36%	0.32%	1.81%	2025-10-08
DALTONTX LIMITEDopenregistry-gb-15844036	Active	TOTAL EXEMPTION FULL	ORDINARY	26,300	2.50%	1.79%	1.79%	2025-07-16
QUANTUM DICE LIMITEDopenregistry-gb-12579596	Active	TOTAL EXEMPTION FULL	ORDINARY	2,500	2.50%	0.57%	1.04%	2025-04-29
QUANTUM DICE LIMITEDopenregistry-gb-12579596	Active	TOTAL EXEMPTION FULL	A2	2,083	1.28%	0.47%	1.04%	2025-04-29
RAIQC LTDopenregistry-gb-09863569	Active	MICRO ENTITY	ORDINARY	750	0.75%	0.75%	0.75%	2025-10-31
QUANTUM MOTION TECHNOLOGIES LIMITEDopenregistry-gb-10867089	Active	SMALL	ORDINARY	75,000	3.28%	0.68%	0.68%	2025-07-07
			SERIES A	0	0.00%	0.00%
			SERIES B1	0	0.00%	0.00%
ARMADA TECHNOLOGIES LIMITEDopenregistry-gb-12576682	Active	TOTAL EXEMPTION FULL	PREFERENCE	12,362	2.12%	0.62%	0.62%	2026-02-14
GAITQ LIMITEDopenregistry-gb-12281171	Active	TOTAL EXEMPTION FULL	ORDINARY	7,650	0.53%	0.53%	0.53%	2026-05-30
SERENE HEALTH LTDopenregistry-gb-14348062	Active	TOTAL EXEMPTION FULL	A ORDINARY	7,469	0.28%	0.06%	0.06%	2025-08-29
ALLOYED LIMITEDopenregistry-gb-10687859	Active	GROUP	B PREFERRED	0	0.00%	0.00%		2026-03-27
			ORDINARY	0	0.00%	0.00%
			PREFERENCE	0	0.00%	0.00%
			A ORDINARY	0	0.00%	0.00%
ULTROMICS LIMITEDopenregistry-gb-10684811	Active	GROUP	SERIES B PREFERRED	0		0.00%		2025-12-13
ULTROMICS LIMITEDopenregistry-gb-10684811	Active	GROUP	ORDINARY	0	0.00%	0.00%		2025-12-13
MARLEY HEALTH LTDopenregistry-gb-16206956	Active	NO ACCOUNTS FILED	SEED PREFERRED SHARES	9,714,286				2026-01-23
MARLEY HEALTH LTDopenregistry-gb-16206956	Active	NO ACCOUNTS FILED	ORDINARY	666,666				2026-01-23
OXAILIS LTDopenregistry-gb-16239918	Active	NO ACCOUNTS FILED	ORDINARY	100,000				2026-02-08
GLOX THERAPEUTICS LIMITEDopenregistry-gb-SC760230	Active	SMALL	ORDINARY	386				2026-02-26
OXFORD FLOW LIMITED ▼openregistry-gb-09576146	Active	SMALL	B ORDINARY	0				2025-07-26
			ORDINARY	0
			P ORDINARY	0
			SERIES C2	0
REFEYN LTD ▼openregistry-gb-11333643	Active	GROUP	ORDINARY	0				2026-04-26
			SERIES A1	0
			SERIES B	0
DARK BLUE THERAPEUTICS LTD ▼openregistry-gb-12645831	Active	SMALL	ORDINARY	0				2026-06-03
			SERIES A	0
			SERIES A3	0
ORBIT DISCOVERY GROUP LTD ▼openregistry-gb-12845435			A PREFERENCE	3,329,873				2025-08-27
ORBIT DISCOVERY GROUP LTD ▼openregistry-gb-12845435			ORDINARY	4,962,519				2025-08-27
AMBER THERAPEUTICS HOLDINGS LIMITED ▼openregistry-gb-13089338	Active	GROUP	ORDINARY	0				2025-12-17
			SEED	0
			SERIES A	0
			SERIES A1	0
PICTURA BIO LTD ▼openregistry-gb-13691257	Active	TOTAL EXEMPTION FULL	ORDINARY	1,000				2025-10-19
INGENOX THERAPEUTICS LIMITED ▼openregistry-gb-14127227	Active	TOTAL EXEMPTION FULL	ORDINARY	0				2025-05-23
BEACON THERAPEUTICS HOLDINGS LIMITED ▼openregistry-gb-14303840	Active	GROUP	ORDINARY	0				2025-08-17
			SERIES A PREFERRED	0
			SERIES B1 PREFERRED	0
			SERIES B2 PREFERRED	0
RQ BIOTECHNOLOGY HOLDINGS LIMITED ▼openregistry-gb-15397273	Active	TOTAL EXEMPTION FULL	ORDINARY	125				2025-01-07
OXFORD SCIENCE ENTERPRISES HOLDINGS II LIMITED ▼openregistry-gb-16279473	Active	NO ACCOUNTS FILED	ORDINARY	382,994,016				2026-02-25
SELOXIUM LIMITEDopenregistry-gb-14183419	Active	TOTAL EXEMPTION FULL	ORDINARY	100,000				2025-06-19
			SEED 1 PREFERRED	579,662
			SEED PREFERRED	681,818
DJS ANTIBODIES LTDopenregistry-gb-09140967	Active	SMALL	ORDINARY	0				2023-07-21
DJS ANTIBODIES LTDopenregistry-gb-09140967	Active	SMALL	PREFERENCE	0				2023-07-21
OXFORD ENDOVASCULAR LIMITEDopenregistry-gb-09769779	Active	TOTAL EXEMPTION FULL	ORDINARY	156,303				2025-09-09
NAVENIO LIMITEDopenregistry-gb-09845565	Active	GROUP	ORDINARY	94,377				2025-05-07
			SERIES A	127,030
			SERIES A1	156,059
MIND FOUNDRY LIMITEDopenregistry-gb-09882159	Active	GROUP	A PREFERENCE	0				2025-11-20
MIND FOUNDRY LIMITEDopenregistry-gb-09882159	Active	GROUP	ORDINARY	0				2025-11-20
DIFFBLUE LIMITEDopenregistry-gb-09958102	Active	SMALL	ORDINARY	257,714				2025-08-18
ARGONAUT THERAPEUTICS LIMITEDopenregistry-gb-09993166	Active	TOTAL EXEMPTION FULL	ORDINARY	0				2024-02-07
OSLER DIAGNOSTICS LIMITEDopenregistry-gb-10001467	Active	FULL	ORDINARY	0				2026-02-10
			SERIES B PREFERENCE	0
			SERIES C PREFERENCE	0
EVOX THERAPEUTICS LIMITEDopenregistry-gb-10076821	Active	FULL	A PREFERRED	26,536				2026-03-16
			B PREFERRED	36,687
			ORDINARY	174,133
			PREFERRED ORDINARY	84,589
PRO-MAPP LIMITEDopenregistry-gb-10152526	Active	TOTAL EXEMPTION FULL	ORDINARY	0				2026-04-27
SITRYX THERAPEUTICS LIMITEDopenregistry-gb-10366466	Active	GROUP	SERIES A PREFERRED SHARES	5,263,158				2025-09-07
ENZBOND LIMITEDopenregistry-gb-10443477	Active - Proposal to Strike off	MICRO ENTITY	A PREFERRED	1,233,867				2023-12-12
ENZBOND LIMITEDopenregistry-gb-10443477	Active - Proposal to Strike off	MICRO ENTITY	ORDINARY	446,250				2023-12-12
OXFORD VR LIMITEDopenregistry-gb-10472107	Active	TOTAL EXEMPTION FULL	ORDINARY	0				2023-11-10
OXFORD VR LIMITEDopenregistry-gb-10472107	Active	TOTAL EXEMPTION FULL	SERIES A	0				2023-11-10
HELIO DISPLAY MATERIALS LIMITEDopenregistry-gb-10498672	Active	TOTAL EXEMPTION FULL	ORDINARY	175				2025-11-28
SPYBIOTECH LIMITEDopenregistry-gb-10649320	Active	GROUP	A ORDINARY	4,000,000				2026-03-01
			ORDINARY	1,000,000
			SERIES A1	2,156,027
OXFORD QUANTUM CIRCUITS LIMITEDopenregistry-gb-10803852	Active	GROUP	ORDINARY	0				2025-06-04
			SERIES A1	0
			SERIES A2	0
			SERIES B1	0
OPSYDIA LIMITEDopenregistry-gb-10876500	Active	TOTAL EXEMPTION FULL	A ORDINARY	413,223				2025-07-19
OPSYDIA LIMITEDopenregistry-gb-10876500	Active	TOTAL EXEMPTION FULL	ORDINARY	2,091,175				2025-07-19
MOA TECHNOLOGY LIMITEDopenregistry-gb-10895764	Active	FULL	ORDINARY	0				2025-08-01
MOA TECHNOLOGY LIMITEDopenregistry-gb-10895764	Active	FULL	SERIES B1	0				2025-08-01
ODQA RENEWABLE ENERGY TECHNOLOGIES LIMITEDopenregistry-gb-11008126	Active	TOTAL EXEMPTION FULL	ORDINARY	1,905,215				2025-06-20
BREATHEOX LIMITEDopenregistry-gb-11076848	Active	TOTAL EXEMPTION FULL	ORDINARY	44,331				2025-11-21
SUGAROX LIMITEDopenregistry-gb-11243462	Active	SMALL	ORDINARY	500				2025-05-29
DARK HORSE TECHNOLOGIES LTDopenregistry-gb-11255952	Active	TOTAL EXEMPTION FULL	SEED PREFERRED	1,188,341				2024-04-09
EVOLITO LTDopenregistry-gb-11308921	Active	GROUP	ORDINARY	0				2026-01-07
PQSHIELD LTDopenregistry-gb-11388567	Active	GROUP	ORDINARY	0				2026-05-29
			SERIES A	0
			SERIES B	0
			SERIES SEED I	0
			SERIES SEED II	0
CARISTO DIAGNOSTICS LIMITEDopenregistry-gb-11429590	Active	SMALL	A PREFERRED	0				2025-06-21
CARISTO DIAGNOSTICS LIMITEDopenregistry-gb-11429590	Active	SMALL	ORDINARY	0				2025-06-21
OXFORD BRAIN DIAGNOSTICS LTDopenregistry-gb-11703979	Active	TOTAL EXEMPTION FULL	ORDINARY	97,000				2024-01-23
AISTETIC LIMITEDopenregistry-gb-11776060	Active	MICRO ENTITY	ORDINARY	88,235				2025-01-17
OXFORD IONICS LIMITEDopenregistry-gb-11795789	Active	TOTAL EXEMPTION FULL	ORDINARY	0				2026-01-28
MACH42 LIMITEDopenregistry-gb-11976635	Active	TOTAL EXEMPTION FULL	ORDINARY	50,000				2025-05-01
ORCA COMPUTING LIMITEDopenregistry-gb-12285629	Active	TOTAL EXEMPTION FULL	A ORDINARY	210,285				2025-10-27
ORCA COMPUTING LIMITEDopenregistry-gb-12285629	Active	TOTAL EXEMPTION FULL	ORDINARY	35,000				2025-10-27
GROUND TRUTH LABS LTDopenregistry-gb-12339676	Active	TOTAL EXEMPTION FULL	ORDINARY	5,936				2023-11-27
GROUND TRUTH LABS LTDopenregistry-gb-12339676	Active	TOTAL EXEMPTION FULL	SEED PREFERRED	53,846				2023-11-27
LIVING OPTICS LIMITEDopenregistry-gb-12361188	Active	SMALL	ORDINARY	0				2025-12-13
LIVING OPTICS LIMITEDopenregistry-gb-12361188	Active	SMALL	SERIES A PREFERRED	0				2025-12-13
T-CYPHER BIO HOLDINGS LIMITEDopenregistry-gb-12845441	Active	GROUP	ORDINARY	551,391				2025-07-29
			PREFERRED SEED	7,117,971
			SERIES A PREFERRED	1,375,802
HUMAN CENTRIC DD LTDopenregistry-gb-13072605	Active	MICRO ENTITY	ORDINARY	375,000				2025-02-28
OXFORD GREEN INNOTECH LIMITEDopenregistry-gb-13225348	Active	TOTAL EXEMPTION FULL	ORDINARY	150				2022-02-24
RQ BIOTECHNOLOGY LIMITEDopenregistry-gb-13293828	Active	FULL	ORDINARY	0				2025-03-25
CYANOCAPTURE LTDopenregistry-gb-13307428	Active	TOTAL EXEMPTION FULL	ORDINARY	655				2025-10-05
LUMAI LIMITEDopenregistry-gb-13772989	Active	MICRO ENTITY	ORDINARY	2,500,000				2025-11-29
FLUOROK LIMITEDopenregistry-gb-14154914	Active	TOTAL EXEMPTION FULL	A ORDINARY	267,057				2025-06-06
			ORDINARY	100,000
			SEED PREFERRED	779,221
SERENOX LIMITEDopenregistry-gb-14255266	Active	MICRO ENTITY	ORDINARY	1,000,875				2023-07-24
ALVEOGENE LIMITEDopenregistry-gb-14342459	Active	TOTAL EXEMPTION FULL	ORDINARY	330,464				2025-09-06
ALVEOGENE LIMITEDopenregistry-gb-14342459	Active	TOTAL EXEMPTION FULL	SEED PREFERRED	3,300,000				2025-09-06
KNEU HEALTH LIMITEDopenregistry-gb-14492037	Active	SMALL	ORDINARY	99,000				2025-11-17
			SEED-1 PREFERRED	750,000
			SEED-2 PREFERRED	177,370
			SEED-3 PREFERRED	238,995
ISOGENIX LIMITEDopenregistry-gb-14544942	Active	TOTAL EXEMPTION FULL	ORDINARY	405,000				2023-12-15
ISOGENIX LIMITEDopenregistry-gb-14544942	Active	TOTAL EXEMPTION FULL	SEED PREFERRED	4,000,000				2023-12-15
YELLOWSTONE BIOSCIENCES LIMITEDopenregistry-gb-14606478	Active	SMALL	ORDINARY	686,550				2025-01-19
MODE LABS LTDopenregistry-gb-14745078	Active	TOTAL EXEMPTION FULL	ORDINARY	125,000				2025-04-01
MODE LABS LTDopenregistry-gb-14745078	Active	TOTAL EXEMPTION FULL	PRE-SEED PREFERRED	777,511				2025-04-01
MATCHBIO LIMITEDopenregistry-gb-14876132	Active	TOTAL EXEMPTION FULL	ORDINARY	323,070				2024-05-16
MATCHBIO LIMITEDopenregistry-gb-14876132	Active	TOTAL EXEMPTION FULL	SEED PREFERRED	4,500,000				2024-05-16
KODIFORM THERAPEUTICS LIMITEDopenregistry-gb-15390647	Active	TOTAL EXEMPTION FULL	ORDINARY	62,500				2025-01-04
KODIFORM THERAPEUTICS LIMITEDopenregistry-gb-15390647	Active	TOTAL EXEMPTION FULL	SEED PREFERRED	5,000,000				2025-01-04
RQBIO COVID LIMITEDopenregistry-gb-15399186	Active	TOTAL EXEMPTION FULL	ORDINARY	125				2025-01-08
ETERNA BIOLOGICS LTDopenregistry-gb-15567990	Active	TOTAL EXEMPTION FULL	ORDINARY	9,695				2025-04-18
ASCENSION EARTH RESOURCES LTDopenregistry-gb-15717017	Active	TOTAL EXEMPTION FULL	ORDINARY	100,000				2025-05-12
ASCENSION EARTH RESOURCES LTDopenregistry-gb-15717017	Active	TOTAL EXEMPTION FULL	PREFERRED	632,728				2025-05-12
SAFER BIRTH LIMITEDopenregistry-gb-15725576	Active	MICRO ENTITY	ORDINARY	118,750				2026-06-01
CAUDAL ENERGY LIMITEDopenregistry-gb-15894558	Active	TOTAL EXEMPTION FULL	ORDINARY	100,000				2026-03-17
			SEED	92,592
			SEED 2 PREFERRED	498,339
SCRIPTA THERAPEUTICS LIMITEDopenregistry-gb-15999109	Active	SMALL	ORDINARY	37,500				2025-10-03
SCRIPTA THERAPEUTICS LIMITEDopenregistry-gb-15999109	Active	SMALL	SEED PREFERRED	939,849				2025-10-03

Ownership structure below these holdings

33 further companies sit beneath this entity’s direct holdings, across 3 layers. Each is linked to its Companies House profile.

OXFORD SCIENCE ENTERPRISES HOLDINGS LIMITEDopenregistry-gb-13564426
- ALLOYED LIMITEDopenregistry-gb-10687859 A ORDINARY / B PREFERRED / ORDINARY / PREFERENCE · 29.75%
- ULTROMICS LIMITEDopenregistry-gb-10684811 ORDINARY / SERIES B1 PREFERRED £0.0001 / SERIES B2 PREFERRED £0.0001 / SERIES C PREFERRED £0.0001 · 28.68%
- LIVING OPTICS LIMITEDopenregistry-gb-12361188 ORDINARY / SERIES A PREFERRED
- MOA TECHNOLOGY LIMITEDopenregistry-gb-10895764 ORDINARY / SERIES B1
- REFEYN LTDopenregistry-gb-11333643 ORDINARY / SERIES A1 / SERIES B
  - ILLUMION LTDopenregistry-gb-14191478 A ORDINARY / ORDINARY
  - ILLUMION LTDopenregistry-gb-14191478 A ORDINARY / ORDINARY
- PQSHIELD LTDopenregistry-gb-11388567 ORDINARY / SERIES A / SERIES B / SERIES SEED I / SERIES SEED II
- CARISTO DIAGNOSTICS LIMITEDopenregistry-gb-11429590 A PREFERRED / ORDINARY
OXFORD FLOW LIMITEDopenregistry-gb-09576146
- OFUI LIMITEDopenregistry-gb-12376856 ORDINARY
- OFUI LIMITEDopenregistry-gb-12376856 ORDINARY
REFEYN LTDopenregistry-gb-11333643
- ILLUMION LTDopenregistry-gb-14191478 A ORDINARY / ORDINARY
- ILLUMION LTDopenregistry-gb-14191478 A ORDINARY / ORDINARY
DARK BLUE THERAPEUTICS LTDopenregistry-gb-12645831
- KLEIDOX THERAPEUTICS LTDopenregistry-gb-12998606 A ORDINARY
- SANDYMOUNT THERAPEUTICS LTDopenregistry-gb-13514842 B ORDINARY SHARES
ORBIT DISCOVERY GROUP LTDopenregistry-gb-12845435
- ORBIT DISCOVERY LTDopenregistry-gb-12850396 ORDINARY
AMBER THERAPEUTICS HOLDINGS LIMITEDopenregistry-gb-13089338
- AMBER THERAPEUTICS LIMITEDopenregistry-gb-02826839 ORDINARY
- AMBER THERAPEUTICS LIMITEDopenregistry-gb-02826839 ORDINARY
PICTURA BIO LTDopenregistry-gb-13691257
- OXDX LTDopenregistry-gb-14371386 ORDINARY
- PICTURA LTDopenregistry-gb-14371351 ORDINARY
INGENOX THERAPEUTICS LIMITEDopenregistry-gb-14127227
- CELLERON THERAPEUTICS LIMITEDopenregistry-gb-05162047 ORDINARY · 100.00%
- ARGONAUT THERAPEUTICS LIMITEDopenregistry-gb-09993166 ORDINARY
BEACON THERAPEUTICS HOLDINGS LIMITEDopenregistry-gb-14303840
- BEACON THERAPEUTICS LIMITEDopenregistry-gb-14426488 ORDINARY
RQ BIOTECHNOLOGY HOLDINGS LIMITEDopenregistry-gb-15397273
- RQ BIOTECHNOLOGY LIMITEDopenregistry-gb-13293828 ORDINARY
OXFORD SCIENCE ENTERPRISES HOLDINGS II LIMITEDopenregistry-gb-16279473
- WILD BIOSCIENCE LTDopenregistry-gb-13355116 ORDINARY / SEED / SERIES A · 27.96%
- BIBLIU LIMITEDopenregistry-gb-09334024 A ORDINARY / PREFERRED / SERIES B PREFERRED · 25.45%
- QUANTUM MOTION TECHNOLOGIES LIMITEDopenregistry-gb-10867089 ORDINARY / SERIES A / SERIES B1 · 21.92%
- FIRST LIGHT FUSION LIMITEDopenregistry-gb-07555858 ORDINARY · 19.01%
- OMASS THERAPEUTICS LIMITEDopenregistry-gb-10028228 ORDINARY / SERIES B · 11.39%
- MIND FOUNDRY LIMITEDopenregistry-gb-09882159 A PREFERENCE / ORDINARY
- OSLER DIAGNOSTICS LIMITEDopenregistry-gb-10001467 ORDINARY / SERIES B PREFERENCE / SERIES C PREFERENCE
- OXFORD QUANTUM CIRCUITS LIMITEDopenregistry-gb-10803852 ORDINARY / SERIES A1 / SERIES A2 / SERIES B1
- EVOLITO LTDopenregistry-gb-11308921 ORDINARY / SERIES B1 SHARES / SERIES B2 SHARES
- AMBER THERAPEUTICS HOLDINGS LIMITEDopenregistry-gb-13089338 ORDINARY / SEED / SERIES A / SERIES A1
- OXFORD FLOW LIMITEDopenregistry-gb-09576146 B ORDINARY / ORDINARY / P ORDINARY / SERIES C2

Related company owners

Corporate shareholders that hold shares in the same UK companies as OXFORD SCIENCE ENTERPRISES PLC:

OXFORD SCIENCE ENTERPRISES HOLDINGS II LIMITEDopenregistry-gb-16279473 73 shared holdings
OXFORD SCIENCE ENTERPRISES HOLDINGS LIMITEDopenregistry-gb-13564426 70 shared holdings
LANSDOWNE DEVELOPED MARKETS MASTER FUND LIMITED 33 shared holdings
IP2IPO PORTFOLIO (GP) LIMITEDopenregistry-gb-10360684 31 shared holdings
SYNCONA PORTFOLIO LTD 20 shared holdings
BRITISH PATIENT CAPITAL LIMITEDopenregistry-gb-11271076 18 shared holdings

Other corporate shareholders of comparable size registered in UNITED KINGDOM:

ALBION TECHNOLOGY & GENERAL VCT PLCopenregistry-gb-04114310 72 UK holdings
MYDENTIST ACQUISITIONS LIMITEDopenregistry-gb-05657372 85 UK holdings
OCTOPUS TITAN VCT PLCopenregistry-gb-06397765 86 UK holdings
KIDS PLANET DAY NURSERIES LIMITEDopenregistry-gb-06596787 105 UK holdings

▼ 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.