Cornerstone Advisors Asset Management, LLC reported 33 positions worth $25.09M for the quarter ended Jun 30, 2026, up 4.0% on the prior quarter. It opened 3 new positions, added to 2, trimmed 19 and exited 5. Its largest holding is Berkshire Hathaway Inc at 23.9% 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 |
|---|---|---|---|---|
| BRK-A Berkshire Hathaway Inc | +2 | +33.3% | $1.50M | 23.87% |
| MU Micron Technology Inc | +420 | – | $484.80K | 1.93% |
| GOOG Alphabet Inc. | +655 | – | $231.43K | 0.922% |
| TSM Taiwan Semiconductor Manufacturing Co Ltd | +453 | – | $216.37K | 0.862% |
| BRK-B Berkshire Hathaway Inc | +10 | +0.4% | $5.00K | 5.34% |
| Holding | Change | Change % | Trade Value | Weight |
|---|---|---|---|---|
| GLD Spdr Gold Trust | -734 | -21.1% | $270.39K | 4.03% |
| JPM Jpmorgan Chase & Co | -842 | -100.0% | $247.68K | Exited |
| MRK Merck & Co., Inc. | -2,011 | -100.0% | $241.90K | Exited |
| META Meta Platforms, Inc. | -422 | -100.0% | $241.44K | Exited |
| WMT Walmart Inc. | -1,824 | -100.0% | $226.69K | Exited |
| PEP Pepsico Inc | -1,387 | -100.0% | $215.39K | Exited |
| GOOGL Alphabet Inc. | -424 | -35.0% | $151.52K | 1.12% |
| AMZN Amazon Com Inc | -484 | -24.5% | $115.36K | 1.42% |
| IBM International Business Machines Corp | -397 | -8.1% | $111.65K | 5.08% |
| CSCO Cisco Systems, Inc. | -911 | -25.6% | $107.01K | 1.24% |
| # | Activity | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | BRK-A Berkshire Hathaway Inc | Financial Services | 8 | $5.99M | 23.87% | +2 | +33.3% | Added | 0% |
| 2 | AAPL Apple Inc. | Technology | 8,772 | $2.54M | 10.12% | -43 | -0.5% | Reduced | 0% |
| 3 | BRK-B Berkshire Hathaway Inc | Financial Services | 2,676 | $1.34M | 5.34% | +10 | +0.4% | Added | 0% |
| 4 | IBM International Business Machines Corp | Technology | 4,529 | $1.27M | 5.08% | -397 | -8.1% | Reduced | 0% |
| 5 | GLD Spdr Gold Trust | Financial Services | 2,746 | $1.01M | 4.03% | -734 | -21.1% | Reduced | 0% |
| 6 | PFIS Peoples Financial Services Corp. | Financial Services | 15.2K | $1.01M | 4.01% | 0 | 0.0% | Unchanged | 0.15% |
| 7 | NVDA Nvidia Corp | Technology | 4,502 | $900.82K | 3.59% | -419 | -8.5% | Reduced | 0% |
| 8 | MSFT Microsoft Corp | Technology | 2,368 | $883.31K | 3.52% | -105 | -4.2% | Reduced | 0% |
| 9 | JNJ Johnson & Johnson | Healthcare | 3,398 | $862.93K | 3.44% | -179 | -5.0% | Reduced | 0% |
| 10 | ABBV AbbVie Inc. | Healthcare | 2,979 | $749.64K | 2.99% | -372 | -11.1% | Reduced | 0% |
| 11 | PPL PPL Corp | Utilities | 19.9K | $722.42K | 2.88% | 0 | 0.0% | Unchanged | 0% |
| 12 | NSC Norfolk Southern Corp | Industrials | 2,048 | $644.28K | 2.57% | 0 | 0.0% | Unchanged | 0% |
| 13 | YUM Yum Brands Inc | Consumer Discretionary | 3,956 | $632.41K | 2.52% | -405 | -9.3% | Reduced | 0% |
| 14 | XOM ExxonMobil Holdings Corp | Energy | 4,523 | $618.39K | 2.46% | -653 | -12.6% | Reduced | 0% |
| 15 | MU Micron Technology Inc | Technology | 420 | $484.80K | 1.93% | +420 | – | New | 0% |
Tip. Select a row to see that position’s full history at Cornerstone Advisors Asset Management.
As of its Q2 2026 13F filing, Cornerstone Advisors Asset Management, LLC’s five largest positions were Berkshire Hathaway Inc (BRK-A) at 23.9%, Apple Inc. (AAPL) at 10.1%, Berkshire Hathaway Inc (BRK-B) at 5.3%, International Business Machines Corp (IBM) at 5.1%, Spdr Gold Trust (GLD) at 4.0% of the reported portfolio.
Cornerstone Advisors Asset Management, LLC reported a 13F portfolio worth $25.09M across 33 positions for Q2 2026. That is up 4.0% from the previous quarter.
Its largest purchases by value were Berkshire Hathaway Inc ($1.50M), Micron Technology Inc ($484.80K), Alphabet Inc. ($231.43K). It opened 3 new positions.
Its largest sales by value were Spdr Gold Trust ($270.39K), Jpmorgan Chase & Co ($247.68K), Merck & Co., Inc. ($241.90K). It exited 5 positions entirely.
From the Form 13F-HR reports Cornerstone Advisors Asset Management, 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.