Adirondack Capital Advisors, LLC reported 17 positions worth $16.15M for the quarter ended Sep 30, 2026, up 1.7% on the prior quarter. It opened 0 new positions, added to 5, trimmed 2 and exited 0. Its largest holding is Berkshire Hathaway Inc at 29.1% 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.
No new positions this quarter.
No positions were closed this quarter.
| # | Activity | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | BRK-B Berkshire Hathaway Inc | Financial Services | 9,443 | $4.70M | 29.12% | +25 | +0.3% | Added | 0% |
| 2 | AAPL Apple Inc. | Technology | 9,590 | $3.19M | 19.78% | +213 | +2.3% | Added | 0% |
| 3 | MA Mastercard Inc | Financial Services | 2,540 | $1.40M | 8.67% | 0 | 0.0% | Unchanged | 0% |
| 4 | COF Capital One Financial Corp | Financial Services | 6,960 | $1.34M | 8.32% | -305 | -4.2% | Reduced | 0% |
| 5 | V Visa Inc. | Financial Services | 3,125 | $1.12M | 6.95% | 0 | 0.0% | Unchanged | 0% |
| 6 | GEV GE Vernova Inc. | Industrials | 970 | $921.98K | 5.71% | +3 | +0.3% | Added | 0% |
| 7 | MSI Motorola Solutions, Inc. | Industrials | 1,634 | $728.63K | 4.51% | 0 | 0.0% | Unchanged | 0% |
| 8 | NVDA Nvidia Corp | Technology | 2,152 | $491.48K | 3.04% | +295 | +15.9% | Added | 0% |
| 9 | CAT Caterpillar Inc | Industrials | 500 | $405.40K | 2.51% | 0 | 0.0% | Unchanged | 0% |
| 10 | GE General Electric Co | Industrials | 1,145 | $357.67K | 2.21% | +12 | +1.1% | Added | 0% |
| 11 | JNJ Johnson & Johnson | Healthcare | 1,108 | $293.33K | 1.82% | 0 | 0.0% | Unchanged | 0% |
| 12 | MSFT Microsoft Corp | Technology | 567 | $290.99K | 1.8% | 0 | 0.0% | Unchanged | 0% |
| 13 | GOOGL Alphabet Inc. | Technology | 820 | $282.15K | 1.75% | 0 | 0.0% | Unchanged | 0% |
| 14 | AVGO Broadcom Inc. | Technology | 734 | $257.77K | 1.6% | 0 | 0.0% | Unchanged | 0% |
| 15 | AMZN Amazon Com Inc | Consumer Discretionary | 1,020 | $254.13K | 1.57% | -245 | -19.4% | Reduced | 0% |
Tip. Select a row to see that position’s full history at Adirondack Capital Advisors.
As of its Q3 2026 13F filing, Adirondack Capital Advisors, LLC’s five largest positions were Berkshire Hathaway Inc (BRK-B) at 29.1%, Apple Inc. (AAPL) at 19.8%, Mastercard Inc (MA) at 8.7%, Capital One Financial Corp (COF) at 8.3%, Visa Inc. (V) at 7.0% of the reported portfolio.
Adirondack Capital Advisors, LLC reported a 13F portfolio worth $16.15M across 17 positions for Q3 2026. That is up 1.7% from the previous quarter.
Its largest purchases by value were Apple Inc. ($70.94K), Nvidia Corp ($67.37K), Berkshire Hathaway Inc ($12.45K). It opened 0 new positions.
Its largest sales by value were Amazon Com Inc ($61.04K), Capital One Financial Corp ($58.89K). It exited 0 positions entirely.
From the Form 13F-HR reports Adirondack Capital Advisors, LLC 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.