Saybrook Capital reported 40 positions worth $395.88M for the quarter ended Sep 30, 2026, up 1.3% on the prior quarter. It opened 1 new position, added to 8, trimmed 14 and exited 0. Its largest holding is Alphabet Inc. at 13.8% 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 |
|---|---|---|---|---|
| MKL Markel Group Inc. | +610 | +152.5% | $1.04M | 0.437% |
| HONA Honeywell Aerospace Inc. | +4,140 | +16.6% | $641.58K | 1.14% |
| NVDA Nvidia Corp | +950 | – | $216.96K | 0.055% |
| SHW Sherwin Williams Co | +75 | +0.1% | $24.25K | 4.51% |
| AXP American Express Co | +75 | +2.1% | $22.81K | 0.282% |
| FDS Factset Research Systems Inc | +75 | +0.2% | $20.25K | 3.08% |
| JNJ Johnson & Johnson | +50 | +0.5% | $13.24K | 0.677% |
| XOM ExxonMobil Holdings Corp | +50 | +2.5% | $8.14K | 0.084% |
| HON Honeywell International Inc | +18 | +0.1% | $3.80K | 1.33% |
| Holding | Change | Change % | Trade Value | Weight |
|---|---|---|---|---|
| AAPL Apple Inc. | -2,055 | -1.4% | $684.36K | 12.15% |
| RTX RTX Corp | -1,630 | -2.1% | $302.61K | 3.64% |
| BRK-B Berkshire Hathaway Inc | -265 | -0.3% | $131.96K | 13.3% |
| KVUE Kenvue Inc. | -7,319 | -2.0% | $129.25K | 1.56% |
| NSC Norfolk Southern Corp | -390 | -1.2% | $120.51K | 2.56% |
| NKE NIKE, Inc. | -2,049 | -1.1% | $72.53K | 1.66% |
| GOOGL Alphabet Inc. | -189 | -0.1% | $65.03K | 12.85% |
| V Visa Inc. | -170 | -0.3% | $61.09K | 5.76% |
| ADP Automatic Data Processing Inc | -140 | -0.2% | $36.13K | 4.46% |
| MA Mastercard Inc | -45 | -0.3% | $24.82K | 2.27% |
| Holding | Shares | Trade Value | Weight |
|---|---|---|---|
| NVDA Nvidia Corp | +950 | $216.96K | 0.055% |
No positions were closed this quarter.
| # | Activity | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | GOOG Alphabet Inc. | Technology | 160.0K | $54.52M | 13.77% | 0 | 0.0% | Unchanged | 0% |
| 2 | BRK-B Berkshire Hathaway Inc | Financial Services | 105.7K | $52.65M | 13.3% | -265 | -0.3% | Reduced | 0.01% |
| 3 | GOOGL Alphabet Inc. | Technology | 147.8K | $50.87M | 12.85% | -189 | -0.1% | Reduced | 0% |
| 4 | AAPL Apple Inc. | Technology | 144.5K | $48.12M | 12.15% | -2,055 | -1.4% | Reduced | 0% |
| 5 | V Visa Inc. | Financial Services | 63.5K | $22.81M | 5.76% | -170 | -0.3% | Reduced | 0% |
| 6 | SHW Sherwin Williams Co | Basic Materials | 55.2K | $17.85M | 4.51% | +75 | +0.1% | Added | 0.02% |
| 7 | ADP Automatic Data Processing Inc | Technology | 68.3K | $17.64M | 4.46% | -140 | -0.2% | Reduced | 0.02% |
| 8 | BRK-A Berkshire Hathaway Inc | Financial Services | 22 | $16.43M | 4.15% | 0 | 0.0% | Unchanged | 0% |
| 9 | RTX RTX Corp | Industrials | 77.5K | $14.40M | 3.64% | -1,630 | -2.1% | Reduced | 0.01% |
| 10 | FDS Factset Research Systems Inc | Financial Services | 45.2K | $12.21M | 3.08% | +75 | +0.2% | Added | 0.12% |
| 11 | NSC Norfolk Southern Corp | Industrials | 32.8K | $10.14M | 2.56% | -390 | -1.2% | Reduced | 0.01% |
| 12 | MDLZ Mondelez International, Inc. | Consumer Staples | 162.9K | $9.42M | 2.38% | -250 | -0.2% | Reduced | 0.01% |
| 13 | MA Mastercard Inc | Financial Services | 16.3K | $8.99M | 2.27% | -45 | -0.3% | Reduced | 0% |
| 14 | MSFT Microsoft Corp | Technology | 15.7K | $8.03M | 2.03% | -10 | -0.1% | Reduced | 0% |
| 15 | NKE NIKE, Inc. | Consumer Discretionary | 185.4K | $6.56M | 1.66% | -2,049 | -1.1% | Reduced | 0.01% |
Tip. Select a row to see that position’s full history at Saybrook Capital.
As of its Q3 2026 13F filing, Saybrook Capital’s five largest positions were Alphabet Inc. (GOOG) at 13.8%, Berkshire Hathaway Inc (BRK-B) at 13.3%, Alphabet Inc. (GOOGL) at 12.8%, Apple Inc. (AAPL) at 12.2%, Visa Inc. (V) at 5.8% of the reported portfolio.
Saybrook Capital reported a 13F portfolio worth $395.88M across 40 positions for Q3 2026. That is up 1.3% from the previous quarter.
Its largest purchases by value were Markel Group Inc. ($1.04M), Honeywell Aerospace Inc. ($641.58K), Nvidia Corp ($216.96K). It opened 1 new positions.
Its largest sales by value were Apple Inc. ($684.36K), RTX Corp ($302.61K), Berkshire Hathaway Inc ($131.96K). It exited 0 positions entirely.
From the Form 13F-HR reports Saybrook Capital 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.