Castlekeep Investment Advisors LLC reported 39 positions worth $82.05M for the quarter ended Jun 30, 2026, up 5.4% on the prior quarter. It opened 1 new position, added to 8, trimmed 25 and exited 0. Its largest holding is Berkshire Hathaway Inc at 20.1% 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.
| Holding | Change | Change % | Trade Value | Weight |
|---|---|---|---|---|
| MSFT Microsoft Corp | +8,843 | +244.9% | $3.30M | 5.66% |
| BRK-B Berkshire Hathaway Inc | +3,794 | +13.0% | $1.90M | 20.12% |
| GBDC GOLUB CAPITAL BDC, Inc. | +19.4K | +5.6% | $250.49K | 5.75% |
| MFIC MidCap Financial Investment Corp | +18.5K | +4.7% | $186.32K | 5.09% |
| BA Boeing Co | +267 | +1.2% | $57.80K | 5.83% |
| GS Goldman Sachs Group Inc | +29 | +0.7% | $29.33K | 5.1% |
| GOOG Alphabet Inc. | +81 | – | $28.62K | 0.035% |
| C Citigroup Inc | +130 | +0.4% | $18.19K | 6.07% |
| DIS Walt Disney Co | +133 | +0.6% | $12.80K | 2.56% |
| Holding | Change | Change % | Trade Value | Weight |
|---|---|---|---|---|
| GOOGL Alphabet Inc. | -8,886 | -92.0% | $3.18M | 0.336% |
| OCSL Oaktree Specialty Lending Corp | -46.9K | -13.9% | $559.69K | 4.22% |
| UNP Union Pacific Corp | -309 | -6.7% | $84.05K | 1.42% |
| JPM Jpmorgan Chase & Co | -255 | -6.5% | $83.47K | 1.47% |
| UPS United Parcel Service Inc | -759 | -6.7% | $81.59K | 1.37% |
| CAH Cardinal Health Inc | -342 | -6.5% | $81.25K | 1.43% |
| IBM International Business Machines Corp | -288 | -6.1% | $80.99K | 1.53% |
| DE Deere & Co | -127 | -6.7% | $80.56K | 1.36% |
| NVS Novartis Ag | -501 | -6.9% | $78.52K | 1.3% |
| JNJ Johnson & Johnson | -309 | -6.7% | $78.48K | 1.34% |
| Holding | Shares | Trade Value | Weight |
|---|---|---|---|
| GOOG Alphabet Inc. | +81 | $28.62K | 0.035% |
No positions were closed this quarter.
| # | Activity | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | BRK-B Berkshire Hathaway Inc | Financial Services | 33.0K | $16.51M | 20.12% | +3,794 | +13.0% | Added | 0% |
| 2 | BRK-A Berkshire Hathaway Inc | Financial Services | 8 | $5.99M | 7.3% | 0 | 0.0% | Unchanged | 0% |
| 3 | C Citigroup Inc | Others | 35.6K | $4.98M | 6.07% | +130 | +0.4% | Added | 0% |
| 4 | BA Boeing Co | Industrials | 22.1K | $4.78M | 5.83% | +267 | +1.2% | Added | 0% |
| 5 | GBDC GOLUB CAPITAL BDC, Inc. | Financial Services | 366.1K | $4.72M | 5.75% | +19.4K | +5.6% | Added | 0.14% |
| 6 | MSFT Microsoft Corp | Technology | 12.5K | $4.65M | 5.66% | +8,843 | +244.9% | Added | 0% |
| 7 | GS Goldman Sachs Group Inc | Financial Services | 4,137 | $4.18M | 5.1% | +29 | +0.7% | Added | 0% |
| 8 | MFIC MidCap Financial Investment Corp | Financial Services | 414.7K | $4.18M | 5.09% | +18.5K | +4.7% | Added | 0.5% |
| 9 | OCSL Oaktree Specialty Lending Corp | Financial Services | 289.7K | $3.46M | 4.22% | -46.9K | -13.9% | Reduced | 0.33% |
| 10 | DIS Walt Disney Co | Communication Services | 21.8K | $2.10M | 2.56% | +133 | +0.6% | Added | 0% |
| 11 | IBM International Business Machines Corp | Technology | 4,472 | $1.26M | 1.53% | -288 | -6.1% | Reduced | 0% |
| 12 | EFC Ellington Financial Inc. | Financial Services | 88.9K | $1.21M | 1.47% | 0 | 0.0% | Unchanged | 0.07% |
| 13 | JPM Jpmorgan Chase & Co | Financial Services | 3,676 | $1.20M | 1.47% | -255 | -6.5% | Reduced | 0% |
| 14 | CAH Cardinal Health Inc | Healthcare | 4,954 | $1.18M | 1.43% | -342 | -6.5% | Reduced | 0% |
| 15 | UNP Union Pacific Corp | Industrials | 4,283 | $1.16M | 1.42% | -309 | -6.7% | Reduced | 0% |
Tip. Select a row to see that position’s full history at Castlekeep Investment Advisors.
As of its Q2 2026 13F filing, Castlekeep Investment Advisors LLC’s five largest positions were Berkshire Hathaway Inc (BRK-B) at 20.1%, Berkshire Hathaway Inc (BRK-A) at 7.3%, Citigroup Inc (C) at 6.1%, Boeing Co (BA) at 5.8%, GOLUB CAPITAL BDC, Inc. (GBDC) at 5.7% of the reported portfolio.
Castlekeep Investment Advisors LLC reported a 13F portfolio worth $82.05M across 39 positions for Q2 2026. That is up 5.4% from the previous quarter.
Its largest purchases by value were Microsoft Corp ($3.30M), Berkshire Hathaway Inc ($1.90M), GOLUB CAPITAL BDC, Inc. ($250.49K). It opened 1 new positions.
Its largest sales by value were Alphabet Inc. ($3.18M), Oaktree Specialty Lending Corp ($559.69K), Union Pacific Corp ($84.05K). It exited 0 positions entirely.
From the Form 13F-HR reports Castlekeep Investment 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.