WINTON GROUP Ltd — 13F Holdings & Portfolio

CIK 1612063 · latest 13F-HR filed 2026-08-07

WINTON GROUP Ltd manages $3.09B in 13F-reported U.S. long-equity assets across 1,137 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are BRK.A (5.26%), LQD (2.51%), VCIT (1.62%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 494 new positions and exited 437; 327 existing positions rose in reported value and 286 fell.

AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.

AUM

$3.09B

Long-equity book

Holdings

1,137

Distinct positions

Period

2026-06-30

Filed 2026-08-07

Q/Q Activity

+494 / −437 / ↑327 / ↓286

vs 2026-03-31

Portfolio charts

Latest quarter's book, what changed, and how the portfolio has evolved across filings.

Portfolio map

Q2 26

BRK.A5.3% · 0%LQD2.5% · new VCIT1.6% · new BKLN1.4% · +9%SOLS1.4% · +58%KLAC1.3% · +16865%MAS1.0% · +41%CME0.9% · +121%CSX0.9% · +2%INCY0.9% · +47%ENTG0.9% · -12%CRWD0.9% · new PSA0.9% · new AES0.9% · +17%POWL0.9% · +204%CVNA0.7% · new IBIT0.7% · 0%SF0.7% · +21%BKNG0.7% · +1278%MLI0.7% · new MSM0.6% · +2%ECG0.6% · -9%NVDA0.5% · -10%WFC0.5% · new AMZN0.5% · +190%WDC0.5% · +1%AVGO0.5% · +4369%V0.5% · +2%GOOGL0.5% · +219%GEV0.5% · -69%VLO0.5% · +1275%META0.5% · +91%BRK.B0.5% · -0%SLB0.5% · +991%KR0.5% · -13%CIEN0.5% · new TTWO0.5% · +2526%MELI0.5% · +9%GXO0.5% · +3%MDLN0.5% · +1263%ADP0.5% · +193%SPOT0.5% · new CCJ0.5% · +31%TMO0.5% · new HUM0.5% · new CZR0.5% · new SNDK0.5% · +899%UBER0.5% · +78%UCTT0.4% · -7%HAL0.4% · +462%DASH0.4% · +986%NOW0.4% · +46%MCD0.4% · new GS0.4% · new COHR0.4% · +665%DKS0.4% · +1574%WMT0.4% · new TDG0.4% · +28%SLAB0.4% · +2%XLC0.4% · new

Box size = position value; colour = change in share count vs the prior quarter (green added, red trimmed, blue new). Rows split across managers or share classes are combined. Click a box for the stock.

Sector mix

% of 13F value

Sectors from each company's SIC code; funds and ETFs grouped separately.

Biggest buys and sells

Q1 26 → Q2 26

Estimated from the change in shares held × the quarter-end price, so price moves alone don't count as buying. New and exited positions are included.

13F assets and positions

4 quarters

Total reported 13F value (bars) and number of positions (line) each quarter. Value changes include market moves.

Top positions over time

reported value

The eight largest current positions, valued at each quarter end.

Concentration

top 10 = 17.4%

Cumulative share of the portfolio held in the largest N positions.

Firm Profile & Key People

Assets Under Management

$11.67B

Discretionary

$11.67B

Employees

149

Accounts

Address

1 HOOPER'S COURT
KNIGHTSBRIDGE
LONDON SW3 1AF
United Kingdom

Phone

44-20-8576-5800

Website

www.youtube.com/@WintonVideo
www.linkedin.com/company/winton
www.winton.com

This firm reports 1 disclosure item on its registration.

Name	Title / Status	Ownership	Type
HARDING, DAVID, WINTON Control	DIRECTOR, EXECUTIVE CHAIR	Less than 5%	Individual
HARDING, DAVID, WINTON Control	DIRECTOR, SHAREHOLDER	50–75%	Individual
JUDES, SIMON Control	CHIEF INVESTMENT OFFICER	Less than 5%	Individual
OPENSHAW, ALEXANDRA, CAROLINE Control	GENERAL COUNSEL	Less than 5%	Individual
SAUNDERS, NICHOLAS, JAMES Control	DIRECTOR, CHIEF OPERATING OFFICER	Less than 5%	Individual
WINTON GROUP LIMITED Control	HOLDING COMPANY	75% or more	Foreign Entity
WAGHORN, ADAM, PETER	CHIEF COMPLIANCE OFFICER	Less than 5%	Individual

Quarter-over-quarter changes

Changes in reported position value vs the prior 13F, so price moves count too, not just shares bought or sold.

Top Adds (vs prior quarter)

KLA CORP$40.1M +3376.3%
SOLSTICE ADVANCED MATLS INC$19.6M +83.9%
BROADCOM INC$15.1M +5354.8%
MASCO CORP$14.5M +89.5%
TAKE-TWO INTERACTIVE SOFTWAR$14.2M +3224.4%

Show all 327 →

Top Trims

NETFLIX INC-$32.9M -98.8%
GE VERNOVA INC-$21.6M -58.5%
BUNGE GLOBAL SA-$16.3M -96.0%
T-MOBILE US INC-$15.9M -89.3%
BOOKING HOLDINGS INC-$14.9M -41.7%

Show all 286 →

New Positions

Show all 494 →

Exited Positions

Show all 437 →

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#	Issuer	Symbol	CUSIP	Value	Δ

WINTON GROUP Ltd Holdings (2026-06-30)

#	Issuer	Symbol	CUSIP	Value	Weight	Shares	Type
1	BERKSHIRE HATHAWAY INC DEL	BRK.A	084670108	$162.5M	5.26%	217	SH
2	ISHARES TR	LQD	464287242	$77.5M	2.51%	710,173	SH
3	VANGUARD SCOTTSDALE FDS	VCIT	92206C870	$50.0M	1.62%	605,000	SH
4	INVESCO EXCH TRADED FD TR II	BKLN	46138G508	$44.4M	1.44%	2,179,806	SH
5	SOLSTICE ADVANCED MATLS INC	SOLS	83443Q103	$42.9M	1.39%	484,616	SH
6	KLA CORP	KLAC	482480100	$41.3M	1.34%	136,740	SH
7	MASCO CORP	MAS	574599106	$30.7M	0.99%	376,678	SH
8	CME GROUP INC	CME	12572Q105	$29.2M	0.95%	132,440	SH
9	CSX CORP	CSX	126408103	$29.0M	0.94%	611,138	SH
10	INCYTE CORP	INCY	45337C102	$28.8M	0.93%	254,408	SH
11	ENTEGRIS INC	ENTG	29362U104	$28.7M	0.93%	159,427	SH
12	CROWDSTRIKE HLDGS INC	CRWD	22788C105	$28.5M	0.92%	37,402	SH
13	PUBLIC STORAGE	PSA	74460D109	$27.8M	0.90%	87,341	SH
14	AES CORP	AES	00130H105	$26.8M	0.87%	1,828,033	SH
15	POWELL INDS INC	POWL	739128106	$26.4M	0.86%	92,344	SH
16	CARVANA CO	CVNA	146869102	$23.0M	0.75%	350,143	SH
17	ISHARES BITCOIN TRUST ETF	IBIT	46438F101	$22.0M	0.71%	661,277	SH
18	STIFEL FINL CORP	SF	860630102	$20.9M	0.68%	299,748	SH
19	BOOKING HOLDINGS INC	BKNG	09857L108	$20.8M	0.67%	116,795	SH
20	MUELLER INDS INC	MLI	624756102	$20.2M	0.65%	164,130	SH
21	MSC INDL DIRECT INC	MSM	553530106	$19.2M	0.62%	161,582	SH
22	EVERUS CONSTR GROUP	ECG	300426103	$18.3M	0.59%	110,509	SH
23	NVIDIA CORPORATION	NVDA	67066G104	$16.6M	0.54%	83,078	SH
24	WELLS FARGO & CO	WFC	949746101	$16.3M	0.53%	196,739	SH
25	AMAZON COM INC	AMZN	023135106	$15.8M	0.51%	66,123	SH
26	WESTERN DIGITAL CORP	WDC	958102105	$15.5M	0.50%	24,252	SH
27	BROADCOM INC	AVGO	11135F101	$15.4M	0.50%	40,761	SH
28	VISA INC	V	92826C839	$15.4M	0.50%	44,760	SH
29	ALPHABET INC	GOOGL	02079K305	$15.3M	0.50%	42,875	SH
30	GE VERNOVA INC	GEV	36828A101	$15.3M	0.50%	13,020	SH
31	VALERO ENERGY CORP	VLO	91913Y100	$15.2M	0.49%	58,515	SH
32	META PLATFORMS INC	META	30303M102	$15.2M	0.49%	27,048	SH
33	BERKSHIRE HATHAWAY INC DEL	BRK.B	084670702	$15.2M	0.49%	30,345	SH
34	SLB LIMITED	SLB	806857108	$15.0M	0.49%	323,597	SH
35	KROGER CO	KR	501044101	$14.9M	0.48%	267,802	SH
36	CIENA CORP	CIEN	171779309	$14.8M	0.48%	30,240	SH
37	TAKE-TWO INTERACTIVE SOFTWAR	TTWO	874054109	$14.7M	0.48%	58,676	SH
38	MERCADOLIBRE INC	MELI	58733R102	$14.6M	0.47%	8,620	SH
39	GXO LOGISTICS INCORPORATED	GXO	36262G101	$14.6M	0.47%	288,330	SH
40	MEDLINE INC	MDLN	58507V107	$14.5M	0.47%	367,057	SH
41	AUTOMATIC DATA PROCESSING IN	ADP	053015103	$14.4M	0.47%	64,440	SH
42	SPOTIFY TECHNOLOGY S A	SPOT	L8681T102	$14.4M	0.47%	31,421	SH
43	CAMECO CORP	CCJ	13321L108	$14.3M	0.46%	140,300	SH
44	THERMO FISHER SCIENTIFIC INC	TMO	883556102	$14.2M	0.46%	28,360	SH
45	HUMANA INC	HUM	444859102	$14.1M	0.46%	35,602	SH
46	CAESARS ENTERTAINMENT INC NE	CZR	12769G100	$14.1M	0.46%	467,000	SH
47	SANDISK CORP	SNDK	80004C200	$14.0M	0.45%	6,146	SH
48	UBER TECHNOLOGIES INC	UBER	90353T100	$13.9M	0.45%	192,400	SH
49	ULTRA CLEAN HLDGS INC	UCTT	90385V107	$13.9M	0.45%	97,320	SH
50	HALLIBURTON CO	HAL	406216101	$13.9M	0.45%	408,281	SH

Filing History

Period	Filed	AUM	Holdings	Accession
2026-06-30	2026-08-07	$3.09B	1,137	0001612063-26-000008
2026-03-31	2026-05-12	$2.85B	1,080	0001612063-26-000007
2025-12-31	2026-02-11	$2.90B	911	0001612063-26-000003
2025-09-30	2025-11-13	$2.67B	697	0001612063-25-000020

Filer Information

Address

ONE HOOPER'S COURT
KNIGHTSBRIDGE
LONDON, X0 SW3 1AF

Phone

00442085765800

Filing Manager

WINTON GROUP Ltd

LONDON, X0

Signatory

Adam Waghorn

Chief Compliance Officer