WINTON GROUP Ltd reported 1,103 positions worth $2.83B for the quarter ended Jun 30, 2026, up 5.3% on the prior quarter. It opened 476 new positions, added to 294, trimmed 326 and exited 411. Its largest holding is Berkshire Hathaway Inc at 5.7% of the portfolio.
Reported 13F market value at each quarter end. A change mixes trading with price moves in the positions held.
Dollar value of shares bought and sold each quarter, at that quarter’s price. It counts trading only, not price changes.
How many positions were opened, added to, trimmed or closed each quarter.
Share of reported value in each sector at every quarter end.
| Holding | Change | Change % | Trade Value | Weight |
|---|---|---|---|---|
| KLAC Kla Corp | +128.7K | +1,596.5% | $38.82M | 1.46% |
| CRWD CrowdStrike Holdings, Inc. | +149.6K | – | $28.54M | 1.01% |
| PSA Public Storage | +87.3K | – | $27.80M | 0.982% |
| CVNA Carvana Co. | +350.1K | – | $23.05M | 0.814% |
| MLI Mueller Industries Inc | +328.3K | – | $20.18M | 0.713% |
| WFC Wells Fargo & Company | +196.7K | – | $16.26M | 0.574% |
| CME Cme Group Inc. | +72.4K | +120.7% | $16.00M | 1.03% |
| SOLS Solstice Advanced Materials Inc. | +178.0K | +58.0% | $15.77M | 1.52% |
| AVGO Broadcom Inc. | +39.8K | +4,369.4% | $15.05M | 0.544% |
| CIEN Ciena Corp | +30.2K | – | $14.83M | 0.524% |
| Holding | Change | Change % | Trade Value | Weight |
|---|---|---|---|---|
| DELL Dell Technologies Inc. | -80.4K | -87.1% | $34.70M | 0.182% |
| GEV GE Vernova Inc. | -29.2K | -69.2% | $34.34M | 0.54% |
| NFLX Netflix Inc | -341.0K | -98.4% | $24.35M | 0.014% |
| BKNG Booking Holdings Inc. | -95.1K | -44.9% | $16.94M | 0.735% |
| ODFL Old Dominion Freight Line, Inc. | -84.3K | -100.0% | $16.47M | Exited |
| PLTR Palantir Technologies Inc. | -110.2K | -100.0% | $16.12M | Exited |
| NU Nu Holdings Ltd. | -1.08M | -100.0% | $15.57M | Exited |
| MSFT Microsoft Corp | -39.6K | -87.9% | $14.78M | 0.072% |
| A Agilent Technologies, Inc. | -129.5K | -100.0% | $14.76M | Exited |
| UNH Unitedhealth Group Inc | -35.5K | -95.4% | $14.74M | 0.025% |
| Holding | Shares | Trade Value | Weight |
|---|---|---|---|
| CRWD CrowdStrike Holdings, Inc. | +149.6K | $28.54M | 1.01% |
| PSA Public Storage | +87.3K | $27.80M | 0.982% |
| CVNA Carvana Co. | +350.1K | $23.05M | 0.814% |
| MLI Mueller Industries Inc | +328.3K | $20.18M | 0.713% |
| WFC Wells Fargo & Company | +196.7K | $16.26M | 0.574% |
| CIEN Ciena Corp | +30.2K | $14.83M | 0.524% |
| SPOT Spotify Technology S.A. | +31.4K | $14.43M | 0.51% |
| TMO Thermo Fisher Scientific Inc. | +28.4K | $14.22M | 0.502% |
| HUM Humana Inc | +35.6K | $14.14M | 0.5% |
| CZR Caesars Entertainment, Inc. | +467.0K | $14.09M | 0.498% |
| Holding | Shares Sold | Trade Value | Prior Weight |
|---|---|---|---|
| ODFL Old Dominion Freight Line, Inc. | -84.3K | $16.47M | 0.613% |
| PLTR Palantir Technologies Inc. | -110.2K | $16.12M | 0.6% |
| NU Nu Holdings Ltd. | -1.08M | $15.57M | 0.58% |
| A Agilent Technologies, Inc. | -129.5K | $14.76M | 0.549% |
| PM Philip Morris International Inc. | -87.6K | $14.49M | 0.539% |
| TGT Target Corp | -110.9K | $13.44M | 0.5% |
| MDT Medtronic plc | -142.5K | $12.35M | 0.46% |
| SHW Sherwin Williams Co | -31.6K | $10.13M | 0.377% |
| APA APA Corp | -213.5K | $9.06M | 0.337% |
| AS Amer Sports, Inc. | -264.1K | $8.69M | 0.324% |
| # | Activity | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | BRK-A Berkshire Hathaway Inc | Financial Services | 217 | $162.50M | 5.74% | 0 | 0.0% | Unchanged | 0.04% |
| 2 | SOLS Solstice Advanced Materials Inc. | Basic Materials | 484.6K | $42.94M | 1.52% | +178.0K | +58.0% | Added | 0.31% |
| 3 | KLAC Kla Corp | Technology | 136.7K | $41.26M | 1.46% | +128.7K | +1,596.5% | Added | 0.01% |
| 4 | MAS Masco Corp | Industrials | 376.7K | $30.65M | 1.08% | +108.8K | +40.6% | Added | 0.19% |
| 5 | CME Cme Group Inc. | Financial Services | 132.4K | $29.25M | 1.03% | +72.4K | +120.7% | Added | 0.04% |
| 6 | CSX Csx Corp | Industrials | 611.1K | $29.05M | 1.03% | +15.0K | +2.5% | Added | 0.03% |
| 7 | INCY Incyte Corp | Healthcare | 254.4K | $28.84M | 1.02% | +81.4K | +47.0% | Added | 0.13% |
| 8 | ENTG Entegris Inc | Technology | 159.4K | $28.67M | 1.01% | -22.1K | -12.2% | Reduced | 0.1% |
| 9 | CRWD CrowdStrike Holdings, Inc. | Technology | 149.6K | $28.54M | 1.01% | +149.6K | – | New | 0.01% |
| 10 | PSA Public Storage | Real Estate | 87.3K | $27.80M | 0.982% | +87.3K | – | New | 0.05% |
| 11 | AES Aes Corp | Utilities | 1.83M | $26.80M | 0.947% | +269.0K | +17.3% | Added | 0.26% |
| 12 | POWL Powell Industries Inc | Industrials | 92.3K | $26.44M | 0.934% | +1,279 | +1.4% | Added | 0.25% |
| 13 | CVNA Carvana Co. | Consumer Discretionary | 350.1K | $23.05M | 0.814% | +350.1K | – | New | 0.03% |
| 14 | IBIT iShares Bitcoin Trust ETF | Others | 661.3K | $22.01M | 0.778% | 0 | 0.0% | Unchanged | 0.05% |
| 15 | SF Stifel Financial Corp | Financial Services | 299.7K | $20.91M | 0.739% | +52.8K | +21.4% | Added | 0.13% |
Tip. Select a row to see that position’s full history at Winton.
As of its Q2 2026 13F filing, WINTON GROUP Ltd’s five largest positions were Berkshire Hathaway Inc (BRK-A) at 5.7%, Solstice Advanced Materials Inc. (SOLS) at 1.5%, Kla Corp (KLAC) at 1.5%, Masco Corp (MAS) at 1.1%, Cme Group Inc. (CME) at 1.0% of the reported portfolio.
WINTON GROUP Ltd reported a 13F portfolio worth $2.83B across 1,103 positions for Q2 2026. That is up 5.3% from the previous quarter.
Its largest purchases by value were Kla Corp ($38.82M), CrowdStrike Holdings, Inc. ($28.54M), Public Storage ($27.80M). It opened 476 new positions.
Its largest sales by value were Dell Technologies Inc. ($34.70M), GE Vernova Inc. ($34.34M), Netflix Inc ($24.35M). It exited 411 positions entirely.
From the Form 13F-HR reports WINTON GROUP Ltd files with the SEC each quarter, within 45 days of quarter end. A 13F lists long positions in US-listed equities and options; it excludes short positions, cash, bonds and most non-US holdings.
13F data reflects long positions in US-listed equities and options as reported to the SEC up to 45 days after quarter end. It excludes short positions, cash, bonds and most non-US securities, so it is not a complete picture of a manager’s assets.