Winnetka, ILCIK 9456254 filings on record
Reported 13F value by quarter
Portfolio value trend — upgrade to see history
UpgradeLargest positions by weight
109 positions · Q4 2025
| # | Security | Shares | Value | % Port. | Δ Shares | Activity |
|---|---|---|---|---|---|---|
| 1 | Nvidia Corporation | 624.1K | $116.40M | 12.6% | −78.9K | Reduced |
| 2 | Berkshire Hathaway Inc Del | 119 | $89.82M | 9.7% | −1 | Reduced |
| 3 | Ishares Tr | 1.42M | $72.12M | 7.8% | +258.8K | Added |
| 4 | Apple Inc |
| 217.0K |
| $59.01M |
| 6.4% |
| −105 |
| Reduced |
| 5 | Alphabet Inc | 133.9K | $41.92M | 4.5% | −1.8K | Reduced |
| 6 | Amazon Com Inc | 141.0K | $32.54M | 3.5% | +374 | Added |
| 7 | Microsoft Corp | 65.8K | $31.82M | 3.4% | −31 | Reduced |
| 8 | Vertiv Holdings Co | 193.0K | $31.27M | 3.4% | −24.8K | Reduced |
| 9 | Marvell Technology Inc | 358.1K | $30.43M | 3.3% | −39.7K | Reduced |
| 10 | Corning Inc | 288.8K | $25.29M | 2.7% | −6.6K | Reduced |
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