OXFORD SCIENCE ENTERPRISES PLC

UK registered

Companies House number 09093331·117 UK shareholdings·2 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 14 companies spanning 2 ownership layers, of which 25 direct holdings are themselves holding companies; the persons-with-significant-control register independently agrees on 53 of these holdings. 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
2

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

14 companies across 2 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
OXFORD SCIENCE ENTERPRISES HOLDINGS LIMITED ▼13564426	Active	DORMANT	ORDINARY	218,215,525	100.00%	100.00%	100.00%	2025-08-12
OSE MANAGER LIMITED15685130	Active	DORMANT	ORDINARY	400,001	100.00%	100.00%	100.00%	2026-04-29
OSE LABS LIMITED16007998	Active	DORMANT	ORDINARY	1	100.00%	100.00%	100.00%	2025-10-08
CIRCADIAN THERAPEUTICS LIMITED10283353	Active	MICRO ENTITY	PREFERRED	8,246,363	100.00%	67.65%	80.10%	2023-07-17
CIRCADIAN THERAPEUTICS LIMITED10283353	Active	MICRO ENTITY	ORDINARY	1,517,727	38.49%	12.45%	80.10%	2023-07-17
ACIONNA THERAPEUTICS LTD16309416	Active	SMALL	SEED PREFERRED	7,500,000	100.00%	62.50%	64.00%	2026-03-11
ACIONNA THERAPEUTICS LTD16309416	Active	SMALL	ORDINARY	180,000	4.00%	1.50%	64.00%	2026-03-11
CREDO THERAPIES LTD14441022	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 LIMITED16110335	Active	MICRO ENTITY	SEED PREFERRED	2,826,741	100.00%	44.44%	58.71%	2025-11-28
THELIOR BIO LIMITED16110335	Active	MICRO ENTITY	ORDINARY	907,434	25.68%	14.27%	58.71%	2025-11-28
ANIMAL DYNAMICS LIMITED09371413	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 LIMITED10246957	Active	TOTAL EXEMPTION FULL	ORDINARY	254,578	44.17%	38.80%	48.98%	2025-06-22
IOTA SCIENCES LIMITED10246957	Active	TOTAL EXEMPTION FULL	A ORDINARY	667,988	83.71%	10.18%	48.98%	2025-06-22
VIVID DX LIMITED14259696	Active	TOTAL EXEMPTION FULL	PREFERRED	9,375,000	100.00%	42.86%	48.57%	2025-07-26
VIVID DX LIMITED14259696	Active	TOTAL EXEMPTION FULL	ORDINARY	1,250,000	10.00%	5.71%	48.57%	2025-07-26
PROXISENSE LIMITED09219890	Active	TOTAL EXEMPTION FULL	ORDINARY	7,150	35.52%	24.34%	43.06%	2023-12-14
PROXISENSE LIMITED09219890	Active	TOTAL EXEMPTION FULL	SEED PREFERRED	5,500	59.46%	18.72%	43.06%	2023-12-14
ARCHANGEL LIGHTWORKS LTD10746274	Active	TOTAL EXEMPTION FULL	SEED PREFERRED	675,676	96.39%	24.67%	34.44%	2026-03-31
ARCHANGEL LIGHTWORKS LTD10746274	Active	TOTAL EXEMPTION FULL	SERIES A PREFERRED SHARES	267,860	36.67%	9.78%	34.44%	2026-03-31
FRACTILE LTD14143636	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 LTD14946145	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 LIMITED09137387	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 LIMITED10023177	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 LTD10999327	Active	TOTAL EXEMPTION FULL	A1 PREFERRED	519,288	100.00%	16.84%	24.29%	2025-10-22
HEXR LTD10999327	Active	TOTAL EXEMPTION FULL	ORDINARY	229,803	10.24%	7.45%	24.29%	2025-10-22
NATURAL CAPITAL RESEARCH LIMITED11580292	Active	TOTAL EXEMPTION FULL	ORDINARY	182,567	35.13%	15.58%	23.53%	2026-01-29
NATURAL CAPITAL RESEARCH LIMITED11580292	Active	TOTAL EXEMPTION FULL	SERIES A1	93,167	19.25%	7.95%	23.53%	2026-01-29
RE-AIM THERAPEUTICS LTD15689618	Active	SMALL	SERIES SEED	76,923	35.71%	23.36%	23.36%	2026-04-28
ALETHIO THERAPEUTICS LIMITED13509030	Active	MICRO ENTITY	PREFERRED SEED	6,000,000	100.00%	14.63%	23.09%	2025-07-12
ALETHIO THERAPEUTICS LIMITED13509030	Active	MICRO ENTITY	ORDINARY	346,500	9.90%	8.45%	23.09%	2025-07-12
BRILL POWER LIMITED10220472	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 LIMITED12109297	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 LTD11001290	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 LIMITED16407748	Active	NO ACCOUNTS FILED	PRE-SEED PREFERRED SHARES	484,960	100.00%	8.84%	16.82%	2026-04-24
NOTOS MEDICAL LIMITED16407748	Active	NO ACCOUNTS FILED	ORDINARY	43,750	8.75%	7.98%	16.82%	2026-04-24
NAVLIVE LIMITED14203536	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 LIMITED12961631	Active	SMALL	SERIES A PREFERRED	5,000,000	20.00%	15.28%	15.28%	2025-10-19
HYDREGEN LIMITED13059070	Active	TOTAL EXEMPTION FULL	ORDINARY	23,480	16.22%	9.93%	9.93%	2023-12-02
VEER TECHNOLOGIES LTD14830372	Active	TOTAL EXEMPTION FULL	ORDINARY	21,656	9.59%	9.59%	9.59%	2024-04-25
GREY WOLF THERAPEUTICS LIMITED10989365	Active	SMALL	SERIES B PREFERRED	1,621,937	15.35%	5.37%	9.55%	2025-10-27
GREY WOLF THERAPEUTICS LIMITED10989365	Active	SMALL	SERIES B2 PREFERRED	1,263,144	12.85%	4.18%	9.55%	2025-10-27
OXFORD STEMTECH LTD12419218	Active	MICRO ENTITY	ORDINARY	125,000	8.33%	8.33%	8.33%	2026-01-21
OXVENT LIMITED12630229	Active	TOTAL EXEMPTION FULL	ORDINARY	62,746,875	8.20%	8.20%	8.20%	2023-05-27
GENOMICS LIMITED08839972	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 LTD10422855	Active	TOTAL EXEMPTION FULL	ORDINARY	73,100	12.43%	5.47%	6.40%	2025-10-12
COVATIC LTD10422855	Active	TOTAL EXEMPTION FULL	A ORDINARY	12,500	22.22%	0.94%	6.40%	2025-10-12
CAERULEUS GENOMICS LTD14481675	Active	TOTAL EXEMPTION FULL	ORDINARY	100,000	10.00%	5.66%	5.66%	2025-11-27
TIMETRACE LABS LTD16471610	Active	NO ACCOUNTS FILED	ORDINARY	5,000	5.00%	3.57%	5.65%	2026-05-22
TIMETRACE LABS LTD16471610	Active	NO ACCOUNTS FILED	SEED	2,915	7.29%	2.08%	5.65%	2026-05-22
COCOTEC LIMITED10240116	Active	TOTAL EXEMPTION FULL	ORDINARY	909	4.54%	4.54%	4.54%	2024-02-20
SONOSINE LIMITED09750828	Active	TOTAL EXEMPTION FULL	ORDINARY	6,734	4.48%	4.48%	4.48%	2026-04-14
OXDH LIMITED12631204	Active	TOTAL EXEMPTION FULL	ORDINARY	77,149	4.37%	4.37%	4.37%	2025-05-28
OXCCU TECH LTD13519271	Active	SMALL	ORDINARY	150,000	7.28%	3.08%	3.08%	2025-08-16
PALMER ENERGY TECHNOLOGY LIMITED15751761	Active	MICRO ENTITY	ORDINARY	364,444	6.58%	2.43%	2.43%	2025-10-02
QDOT TECHNOLOGY LTD11613626	Active	TOTAL EXEMPTION FULL	ORDINARY	500,000	3.79%	2.40%	2.40%	2026-02-04
IVY FARM TECHNOLOGIES LIMITED12251013	Active	SMALL	ORDINARY	416,407	6.42%	1.49%	1.81%	2025-10-08
IVY FARM TECHNOLOGIES LIMITED12251013	Active	SMALL	SEED 1 PREFERRED	88,558	1.36%	0.32%	1.81%	2025-10-08
DALTONTX LIMITED15844036	Active	TOTAL EXEMPTION FULL	ORDINARY	26,300	2.50%	1.79%	1.79%	2025-07-16
QUANTUM DICE LIMITED12579596	Active	TOTAL EXEMPTION FULL	ORDINARY	2,500	2.50%	0.57%	1.04%	2025-04-29
QUANTUM DICE LIMITED12579596	Active	TOTAL EXEMPTION FULL	A2	2,083	1.28%	0.47%	1.04%	2025-04-29
RAIQC LTD09863569	Active	MICRO ENTITY	ORDINARY	750	0.75%	0.75%	0.75%	2025-10-31
QUANTUM MOTION TECHNOLOGIES LIMITED10867089	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 LIMITED12576682	Active	TOTAL EXEMPTION FULL	PREFERENCE	12,362	2.12%	0.62%	0.62%	2026-02-14
GAITQ LIMITED12281171	Active	TOTAL EXEMPTION FULL	ORDINARY	7,650	0.53%	0.53%	0.53%	2026-05-30
SERENE HEALTH LTD14348062	Active	TOTAL EXEMPTION FULL	A ORDINARY	7,469	0.28%	0.06%	0.06%	2025-08-29
ULTROMICS LIMITED10684811	Active	GROUP	ORDINARY	0	0.00%	0.00%		2025-12-13
ULTROMICS LIMITED10684811	Active	GROUP	SERIES B PREFERRED	0		0.00%		2025-12-13
ALLOYED LIMITED10687859	Active	GROUP	A ORDINARY	0	0.00%	0.00%		2026-03-27
			B PREFERRED	0	0.00%	0.00%
			PREFERENCE	0	0.00%	0.00%
			ORDINARY	0	0.00%	0.00%
DJS ANTIBODIES LTD09140967	Active	SMALL	ORDINARY	0				2023-07-21
DJS ANTIBODIES LTD09140967	Active	SMALL	PREFERENCE	0				2023-07-21
OXFORD FLOW LIMITED ▼09576146	Active	SMALL	SERIES C2	0				2025-07-26
			ORDINARY	0
			B ORDINARY	0
			P ORDINARY	0
OXFORD ENDOVASCULAR LIMITED09769779	Active	TOTAL EXEMPTION FULL	ORDINARY	156,303				2025-09-09
NAVENIO LIMITED09845565	Active	GROUP	ORDINARY	94,377				2025-05-07
			SERIES A1	156,059
			SERIES A	127,030
MIND FOUNDRY LIMITED09882159	Active	GROUP	A PREFERENCE	0				2025-11-20
MIND FOUNDRY LIMITED09882159	Active	GROUP	ORDINARY	0				2025-11-20
DIFFBLUE LIMITED09958102	Active	SMALL	ORDINARY	257,714				2025-08-18
ARGONAUT THERAPEUTICS LIMITED09993166	Active	TOTAL EXEMPTION FULL	ORDINARY	0				2024-02-07
OSLER DIAGNOSTICS LIMITED10001467	Active	FULL	ORDINARY	0				2026-02-10
			SERIES C PREFERENCE	0
			SERIES B PREFERENCE	0
EVOX THERAPEUTICS LIMITED10076821	Active	FULL	PREFERRED ORDINARY	84,589				2026-03-16
			ORDINARY	174,133
			B PREFERRED	36,687
			A PREFERRED	26,536
PRO-MAPP LIMITED10152526	Active	TOTAL EXEMPTION FULL	ORDINARY	0				2026-04-27
SITRYX THERAPEUTICS LIMITED10366466	Active	GROUP	SERIES A PREFERRED SHARES	5,263,158				2025-09-07
ENZBOND LIMITED10443477	Active - Proposal to Strike off	MICRO ENTITY	ORDINARY	446,250				2023-12-12
ENZBOND LIMITED10443477	Active - Proposal to Strike off	MICRO ENTITY	A PREFERRED	1,233,867				2023-12-12
OXFORD VR LIMITED10472107	Active	TOTAL EXEMPTION FULL	SERIES A	0				2023-11-10
OXFORD VR LIMITED10472107	Active	TOTAL EXEMPTION FULL	ORDINARY	0				2023-11-10
HELIO DISPLAY MATERIALS LIMITED10498672	Active	TOTAL EXEMPTION FULL	ORDINARY	175				2025-11-28
SPYBIOTECH LIMITED10649320	Active	GROUP	ORDINARY	1,000,000				2026-03-01
			A ORDINARY	4,000,000
			SERIES A1	2,156,027
OXFORD QUANTUM CIRCUITS LIMITED10803852	Active	GROUP	SERIES B1	0				2025-06-04
			SERIES A2	0
			SERIES A1	0
			ORDINARY	0
OPSYDIA LIMITED10876500	Active	TOTAL EXEMPTION FULL	ORDINARY	2,091,175				2025-07-19
OPSYDIA LIMITED10876500	Active	TOTAL EXEMPTION FULL	A ORDINARY	413,223				2025-07-19
MOA TECHNOLOGY LIMITED10895764	Active	FULL	SERIES B1	0				2025-08-01
MOA TECHNOLOGY LIMITED10895764	Active	FULL	ORDINARY	0				2025-08-01
ODQA RENEWABLE ENERGY TECHNOLOGIES LIMITED11008126	Active	TOTAL EXEMPTION FULL	ORDINARY	1,905,215				2025-06-20
BREATHEOX LIMITED11076848	Active	TOTAL EXEMPTION FULL	ORDINARY	44,331				2025-11-21
SUGAROX LIMITED11243462	Active	SMALL	ORDINARY	500				2025-05-29
DARK HORSE TECHNOLOGIES LTD11255952	Active	TOTAL EXEMPTION FULL	SEED PREFERRED	1,188,341				2024-04-09
EVOLITO LTD11308921	Active	GROUP	ORDINARY	0				2026-01-07
REFEYN LTD ▼11333643	Active	GROUP	ORDINARY	0				2026-04-26
			SERIES A1	0
			SERIES B	0
PQSHIELD LTD11388567	Active	GROUP	SERIES SEED II	0				2026-05-29
			ORDINARY	0
			SERIES A	0
			SERIES B	0
			SERIES SEED I	0
CARISTO DIAGNOSTICS LIMITED11429590	Active	SMALL	ORDINARY	0				2025-06-21
CARISTO DIAGNOSTICS LIMITED11429590	Active	SMALL	A PREFERRED	0				2025-06-21
OXFORD BRAIN DIAGNOSTICS LTD11703979	Active	TOTAL EXEMPTION FULL	ORDINARY	97,000				2024-01-23
AISTETIC LIMITED11776060	Active	MICRO ENTITY	ORDINARY	88,235				2025-01-17
OXFORD IONICS LIMITED11795789	Active	TOTAL EXEMPTION FULL	ORDINARY	0				2026-01-28
MACH42 LIMITED11976635	Active	TOTAL EXEMPTION FULL	ORDINARY	50,000				2025-05-01
ORCA COMPUTING LIMITED12285629	Active	TOTAL EXEMPTION FULL	A ORDINARY	210,285				2025-10-27
ORCA COMPUTING LIMITED12285629	Active	TOTAL EXEMPTION FULL	ORDINARY	35,000				2025-10-27
GROUND TRUTH LABS LTD12339676	Active	TOTAL EXEMPTION FULL	SEED PREFERRED	53,846				2023-11-27
GROUND TRUTH LABS LTD12339676	Active	TOTAL EXEMPTION FULL	ORDINARY	5,936				2023-11-27
LIVING OPTICS LIMITED12361188	Active	SMALL	SERIES A PREFERRED	0				2025-12-13
LIVING OPTICS LIMITED12361188	Active	SMALL	ORDINARY	0				2025-12-13
DARK BLUE THERAPEUTICS LTD ▼12645831	Active	SMALL	SERIES A3	0				2026-06-03
			ORDINARY	0
			SERIES A	0
ORBIT DISCOVERY GROUP LTD ▼12845435	In Administration		ORDINARY	4,962,519				2025-08-27
ORBIT DISCOVERY GROUP LTD ▼12845435	In Administration		A PREFERENCE	3,329,873				2025-08-27
T-CYPHER BIO HOLDINGS LIMITED12845441	Active	GROUP	ORDINARY	551,391				2025-07-29
			SERIES A PREFERRED	1,375,802
			PREFERRED SEED	7,117,971
HUMAN CENTRIC DD LTD13072605	Active	MICRO ENTITY	ORDINARY	375,000				2025-02-28
AMBER THERAPEUTICS HOLDINGS LIMITED ▼13089338	Active	GROUP	SERIES A	0				2025-12-17
			SEED	0
			ORDINARY	0
			SERIES A1	0
OXFORD GREEN INNOTECH LIMITED13225348	Active	TOTAL EXEMPTION FULL	ORDINARY	150				2022-02-24
RQ BIOTECHNOLOGY LIMITED13293828	Active	FULL	ORDINARY	0				2025-03-25
CYANOCAPTURE LTD13307428	Active	TOTAL EXEMPTION FULL	ORDINARY	655				2025-10-05
PICTURA BIO LTD ▼13691257	Active	TOTAL EXEMPTION FULL	ORDINARY	1,000				2025-10-19
LUMAI LIMITED13772989	Active	MICRO ENTITY	ORDINARY	2,500,000				2025-11-29
INGENOX THERAPEUTICS LIMITED ▼14127227	Active	TOTAL EXEMPTION FULL	ORDINARY	0				2025-05-23
FLUOROK LIMITED14154914	Active	TOTAL EXEMPTION FULL	ORDINARY	100,000				2025-06-06
			A ORDINARY	267,057
			SEED PREFERRED	779,221
SELOXIUM LIMITED14183419	Active	TOTAL EXEMPTION FULL	SEED PREFERRED	681,818				2025-06-19
			ORDINARY	100,000
			SEED 1 PREFERRED	579,662
SERENOX LIMITED14255266	Active	MICRO ENTITY	ORDINARY	1,000,875				2023-07-24
BEACON THERAPEUTICS HOLDINGS LIMITED ▼14303840	Active	GROUP	SERIES A PREFERRED	0				2025-08-17
			SERIES B2 PREFERRED	0
			SERIES B1 PREFERRED	0
			ORDINARY	0
ALVEOGENE LIMITED14342459	Active	TOTAL EXEMPTION FULL	ORDINARY	330,464				2025-09-06
ALVEOGENE LIMITED14342459	Active	TOTAL EXEMPTION FULL	SEED PREFERRED	3,300,000				2025-09-06
KNEU HEALTH LIMITED14492037	Active	SMALL	ORDINARY	99,000				2025-11-17
			SEED-3 PREFERRED	238,995
			SEED-2 PREFERRED	177,370
			SEED-1 PREFERRED	750,000
ISOGENIX LIMITED14544942	Active	TOTAL EXEMPTION FULL	ORDINARY	405,000				2023-12-15
ISOGENIX LIMITED14544942	Active	TOTAL EXEMPTION FULL	SEED PREFERRED	4,000,000				2023-12-15
YELLOWSTONE BIOSCIENCES LIMITED14606478	Active	SMALL	ORDINARY	686,550				2025-01-19
MODE LABS LTD14745078	Active	TOTAL EXEMPTION FULL	ORDINARY	125,000				2025-04-01
MODE LABS LTD14745078	Active	TOTAL EXEMPTION FULL	PRE-SEED PREFERRED	777,511				2025-04-01
MATCHBIO LIMITED14876132	Active	TOTAL EXEMPTION FULL	ORDINARY	323,070				2024-05-16
MATCHBIO LIMITED14876132	Active	TOTAL EXEMPTION FULL	SEED PREFERRED	4,500,000				2024-05-16
KODIFORM THERAPEUTICS LIMITED15390647	Active	TOTAL EXEMPTION FULL	SEED PREFERRED	5,000,000				2025-01-04
KODIFORM THERAPEUTICS LIMITED15390647	Active	TOTAL EXEMPTION FULL	ORDINARY	62,500				2025-01-04
RQ BIOTECHNOLOGY HOLDINGS LIMITED ▼15397273	Active	TOTAL EXEMPTION FULL	ORDINARY	125				2025-01-07
RQBIO COVID LIMITED15399186	Active	TOTAL EXEMPTION FULL	ORDINARY	125				2025-01-08
ETERNA BIOLOGICS LTD15567990	Active	TOTAL EXEMPTION FULL	ORDINARY	9,695				2025-04-18
ASCENSION EARTH RESOURCES LTD15717017	Active	TOTAL EXEMPTION FULL	PREFERRED	632,728				2025-05-12
ASCENSION EARTH RESOURCES LTD15717017	Active	TOTAL EXEMPTION FULL	ORDINARY	100,000				2025-05-12
SAFER BIRTH LIMITED15725576	Active	MICRO ENTITY	ORDINARY	118,750				2026-06-01
CAUDAL ENERGY LIMITED15894558	Active	TOTAL EXEMPTION FULL	SEED 2 PREFERRED	498,339				2026-03-17
			SEED	92,592
			ORDINARY	100,000
SCRIPTA THERAPEUTICS LIMITED15999109	Active	SMALL	ORDINARY	37,500				2025-10-03
SCRIPTA THERAPEUTICS LIMITED15999109	Active	SMALL	SEED PREFERRED	939,849				2025-10-03
MARLEY HEALTH LTD16206956	Active	NO ACCOUNTS FILED	ORDINARY	666,666				2026-01-23
MARLEY HEALTH LTD16206956	Active	NO ACCOUNTS FILED	SEED PREFERRED SHARES	9,714,286				2026-01-23
OXAILIS LTD16239918	Active	NO ACCOUNTS FILED	ORDINARY	100,000				2026-02-08
OXFORD SCIENCE ENTERPRISES HOLDINGS II LIMITED ▼16279473	Active	NO ACCOUNTS FILED	ORDINARY	382,994,016				2026-02-25
GLOX THERAPEUTICS LIMITEDSC760230	Active	SMALL	ORDINARY	386				2026-02-26

Ownership structure below these holdings

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

OXFORD FLOW LIMITED09576146
- OFUI LIMITED12376856 ORDINARY
REFEYN LTD11333643
- ILLUMION LTD14191478 A ORDINARY / ORDINARY
DARK BLUE THERAPEUTICS LTD12645831
- KLEIDOX THERAPEUTICS LTD12998606 A ORDINARY
- SANDYMOUNT THERAPEUTICS LTD13514842 B ORDINARY SHARES
ORBIT DISCOVERY GROUP LTD12845435
- ORBIT DISCOVERY LTD12850396 ORDINARY
AMBER THERAPEUTICS HOLDINGS LIMITED13089338
- AMBER THERAPEUTICS LIMITED02826839 ORDINARY
PICTURA BIO LTD13691257
- OXDX LTD14371386 ORDINARY
- PICTURA LTD14371351 ORDINARY
INGENOX THERAPEUTICS LIMITED14127227
- CELLERON THERAPEUTICS LIMITED05162047 ORDINARY · 100.00%
BEACON THERAPEUTICS HOLDINGS LIMITED14303840
- BEACON THERAPEUTICS LIMITED14426488 ORDINARY
OXFORD SCIENCE ENTERPRISES HOLDINGS II LIMITED16279473
- WILD BIOSCIENCE LTD13355116 ORDINARY / SEED / SERIES A · 27.96%
- BIBLIU LIMITED09334024 A ORDINARY / PREFERRED / SERIES B PREFERRED · 25.45%
- FIRST LIGHT FUSION LIMITED07555858 ORDINARY · 19.01%
- OMASS THERAPEUTICS LIMITED10028228 ORDINARY / SERIES B · 11.39%

Related company owners

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

OXFORD SCIENCE ENTERPRISES HOLDINGS II LIMITED16279473 73 shared holdings
OXFORD SCIENCE ENTERPRISES HOLDINGS LIMITED13564426 70 shared holdings
LANSDOWNE DEVELOPED MARKETS MASTER FUND LIMITED 33 shared holdings
IP2IPO PORTFOLIO (GP) LIMITED10360684 31 shared holdings
SYNCONA PORTFOLIO LTD 20 shared holdings
BRITISH PATIENT CAPITAL LIMITED11271076 18 shared holdings

Other corporate shareholders of comparable size registered in UNITED KINGDOM:

FRS ESTATES LIMITED02767493 216 UK holdings
M. K. M. BUILDING SUPPLIES LIMITED03100815 111 UK holdings
COMPANION CARE (SERVICES) LIMITED04141142 189 UK holdings
HO2 MANAGEMENT LIMITED05476134 328 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.