Institutional Manager · CIK 0001612063
WINTON GROUP Ltd
LONDON, X0 · File #028-16207
Latest AUM
$2.90B
Positions
911
Top-10 Concentration
44.0%
Filings
9
Portfolio Value Over Time
2024-03
2024-06
2024-09
2024-12
2025-03
2025-06
2025-09
2025-12
Biggest QoQ Changes
Ranked by conviction flow (share change × current price) so mark-to-market moves don't dominate. Price effect column shows how much of the $ change was just the stock moving.
| Action | Issuer | Ticker / CUSIP | Δ Shares | Flow ($) | Price Effect |
|---|---|---|---|---|---|
| REDUCE | ISHARES TR | 464288513 | -673,660 | -$54.3M | -$724,449 |
| NEW | SOLSTICE ADVANCED MATLS INC | 83443Q103 | +531,935 | +$25.8M | $0 |
| EXITED | SELECT SECTOR SPDR TR | 81369Y100 | -266,027 | -$23.8M | $0 |
| EXITED | UBER TECHNOLOGIES INC | 90353T100 | -210,292 | -$20.6M | $0 |
| EXITED | FASTENAL CO | 311900104 | -392,528 | -$19.2M | $0 |
| NEW | HOLOGIC INC | HOLX | +253,320 | +$18.9M | $0 |
| REDUCE | INTERACTIVE BROKERS GROUP IN | 45841N107 | -274,561 | -$17.7M | -$1.4M |
| ADD | INTEL CORP | INTC | +469,776 | +$17.3M | +$1.1M |
| REDUCE | WALMART INC | WMT | -154,800 | -$17.2M | +$1.4M |
| ADD | ISHARES BITCOIN TRUST ETF | IBIT | +343,910 | +$17.1M | -$19.3M |
Sector Allocation
Filing History
- 13F HOLDINGS REPORTQ/E Dec 2025911 pos · $2.90B
- 13F HOLDINGS REPORTQ/E Sep 2025697 pos · $2.67B
- 13F HOLDINGS REPORTQ/E Jun 2025807 pos · $1.96B
- 13F HOLDINGS REPORTQ/E Mar 2025656 pos · $1.64B
- 13F HOLDINGS REPORTQ/E Dec 2024594 pos · $1.51B
- 13F HOLDINGS REPORTQ/E Sep 2024605 pos · $1.43B
- 13F HOLDINGS REPORTQ/E Jun 2024558 pos · $1.48B
- 13F HOLDINGS REPORTQ/E Mar 2024582 pos · $1.42B
- 13F HOLDINGS REPORTQ/E Dec 2023756 pos · $1.21B
Top 20 Holdings — Dec 2025
| # | Issuer | Ticker | Shares | Value | % of Portfolio |
|---|---|---|---|---|---|
| 1 | BERKSHIRE HATHAWAY INC DEL | BRK-A | 217 | $163.8M | 15.19% |
| 2 | ISHARES BITCOIN TRUST ETF | IBIT | 1,603,653 | $79.6M | 7.39% |
| 3 | ISHARES TR | 464288513 | 620,000 | $50.0M | 4.64% |
| 4 | FIDELITY WISE ORIGIN BITCOIN | FBTC | 521,929 | $39.8M | 3.69% |
| 5 | INTEL CORP | INTC | 796,875 | $29.4M | 2.73% |
| 6 | DEVON ENERGY CORP NEW | 25179M103 | 754,273 | $27.6M | 2.56% |
| 7 | SOLSTICE ADVANCED MATLS INC | 83443Q103 | 531,935 | $25.8M | 2.40% |
| 8 | EPAM SYS INC | EPAM | 99,951 | $20.5M | 1.90% |
| 9 | CHART INDS INC | 16115Q308 | 91,752 | $18.9M | 1.76% |
| 10 | HOLOGIC INC | HOLX | 253,320 | $18.9M | 1.75% |
| 11 | ELECTRONIC ARTS INC | EA | 92,175 | $18.8M | 1.75% |
| 12 | DAYFORCE INC | 15677J108 | 271,316 | $18.8M | 1.74% |
| 13 | MASCO CORP | MAS | 274,667 | $17.4M | 1.62% |
| 14 | BOEING CO | BA-PA | 77,789 | $16.9M | 1.57% |
| 15 | FIVE BELOW INC | FIVE | 89,234 | $16.8M | 1.56% |
| 16 | MICROSOFT CORP | MSFT | 34,699 | $16.8M | 1.56% |
| 17 | GE VERNOVA INC | GEV | 25,564 | $16.7M | 1.55% |
| 18 | CME GROUP INC | CME | 60,082 | $16.4M | 1.52% |
| 19 | ENTEGRIS INC | ENTG | 191,501 | $16.1M | 1.50% |
| 20 | AMAZON COM INC | AMZN | 69,204 | $16.0M | 1.48% |