One Charles Private Wealth Services, LLC reported 90 positions worth $205.41M for the quarter ended Jun 30, 2026, up 4.6% on the prior quarter. It opened 11 new positions, added to 37, trimmed 37 and exited 1. Its largest holding is Berkshire Hathaway Inc at 22.6% 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 |
|---|---|---|---|---|
| MIAX Miami International Holdings, Inc. | +118.4K | – | $4.40M | 2.14% |
| GBDC GOLUB CAPITAL BDC, Inc. | +38.2K | – | $491.54K | 0.239% |
| SPCX Space Exploration Technologies Corp | +1,870 | – | $319.51K | 0.156% |
| GLW Corning Inc | +1,193 | – | $304.73K | 0.148% |
| AMD Advanced Micro Devices Inc | +491 | – | $285.15K | 0.139% |
| UNH Unitedhealth Group Inc | +645 | – | $267.91K | 0.13% |
| CARR CARRIER GLOBAL Corp | +3,472 | – | $254.65K | 0.124% |
| MU Micron Technology Inc | +213 | – | $245.77K | 0.12% |
| C Citigroup Inc | +1,653 | – | $231.31K | 0.113% |
| DE Deere & Co | +329 | – | $208.92K | 0.102% |
| Holding | Change | Change % | Trade Value | Weight |
|---|---|---|---|---|
| TPL Texas Pacific Land Corp | -4,867 | -6.4% | $2.13M | 15.06% |
| BRK-B Berkshire Hathaway Inc | -3,894 | -4.0% | $1.95M | 22.63% |
| LB LandBridge Corp | -11.6K | -4.9% | $920.21K | 8.65% |
| GBTC Grayscale Bitcoin Trust ETF | -17.2K | -6.2% | $784.86K | 5.76% |
| BAC Bank Of America Corp | -9,989 | -19.3% | $569.17K | 1.16% |
| EPD Enterprise Products Partners L.P. | -14.2K | -20.0% | $521.99K | 1.01% |
| PFE Pfizer Inc | -7,203 | -100.0% | $202.26K | Exited |
| SLV iShares Silver Trust | -3,723 | -8.6% | $199.07K | 1.03% |
| AAPL Apple Inc. | -655 | -2.2% | $189.53K | 4.15% |
| LRCX Lam Research Corp | -304 | -1.7% | $131.73K | 3.7% |
| Holding | Shares | Trade Value | Weight |
|---|---|---|---|
| MIAX Miami International Holdings, Inc. | +118.4K | $4.40M | 2.14% |
| GBDC GOLUB CAPITAL BDC, Inc. | +38.2K | $491.54K | 0.239% |
| SPCX Space Exploration Technologies Corp | +1,870 | $319.51K | 0.156% |
| GLW Corning Inc | +1,193 | $304.73K | 0.148% |
| AMD Advanced Micro Devices Inc | +491 | $285.15K | 0.139% |
| UNH Unitedhealth Group Inc | +645 | $267.91K | 0.13% |
| CARR CARRIER GLOBAL Corp | +3,472 | $254.65K | 0.124% |
| MU Micron Technology Inc | +213 | $245.77K | 0.12% |
| C Citigroup Inc | +1,653 | $231.31K | 0.113% |
| DE Deere & Co | +329 | $208.92K | 0.102% |
| Holding | Shares Sold | Trade Value | Prior Weight |
|---|---|---|---|
| PFE Pfizer Inc | -7,203 | $202.26K | 0.103% |
| # | Activity | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | BRK-B Berkshire Hathaway Inc | Financial Services | 92.9K | $46.48M | 22.63% | -3,894 | -4.0% | Reduced | 0.01% |
| 2 | TPL Texas Pacific Land Corp | Real Estate | 70.7K | $30.94M | 15.06% | -4,867 | -6.4% | Reduced | 0.1% |
| 3 | LB LandBridge Corp | Real Estate | 224.2K | $17.76M | 8.65% | -11.6K | -4.9% | Reduced | 0.29% |
| 4 | GBTC Grayscale Bitcoin Trust ETF | Financial Services | 259.8K | $11.82M | 5.76% | -17.2K | -6.2% | Reduced | 0.15% |
| 5 | AAPL Apple Inc. | Technology | 29.5K | $8.53M | 4.15% | -655 | -2.2% | Reduced | 0% |
| 6 | LRCX Lam Research Corp | Technology | 17.5K | $7.59M | 3.7% | -304 | -1.7% | Reduced | 0% |
| 7 | ACVA ACV Auctions Inc. | Technology | 779.8K | $5.61M | 2.73% | -3,518 | -0.4% | Reduced | 0.46% |
| 8 | NVDA Nvidia Corp | Technology | 23.0K | $4.59M | 2.24% | +776 | +3.5% | Added | 0% |
| 9 | MIAX Miami International Holdings, Inc. | Financial Services | 118.4K | $4.40M | 2.14% | +118.4K | – | New | 0.12% |
| 10 | JPM Jpmorgan Chase & Co | Financial Services | 12.6K | $4.11M | 2% | +33 | +0.3% | Added | 0% |
| 11 | ET Energy Transfer LP | Energy | 186.9K | $3.57M | 1.74% | -591 | -0.3% | Reduced | 0.01% |
| 12 | BTC Grayscale Bitcoin Mini Trust ETF | Others | 123.3K | $3.20M | 1.56% | -719 | -0.6% | Reduced | 0.1% |
| 13 | GOOGL Alphabet Inc. | Technology | 8,061 | $2.88M | 1.4% | +48 | +0.6% | Added | 0% |
| 14 | AMZN Amazon Com Inc | Consumer Discretionary | 11.2K | $2.67M | 1.3% | -117 | -1.0% | Reduced | 0% |
| 15 | MSFT Microsoft Corp | Technology | 6,699 | $2.50M | 1.22% | +308 | +4.8% | Added | 0% |
Tip. Select a row to see that position’s full history at One Charles Private Wealth Services.
As of its Q2 2026 13F filing, One Charles Private Wealth Services, LLC’s five largest positions were Berkshire Hathaway Inc (BRK-B) at 22.6%, Texas Pacific Land Corp (TPL) at 15.1%, LandBridge Corp (LB) at 8.6%, Grayscale Bitcoin Trust ETF (GBTC) at 5.8%, Apple Inc. (AAPL) at 4.2% of the reported portfolio.
One Charles Private Wealth Services, LLC reported a 13F portfolio worth $205.41M across 90 positions for Q2 2026. That is up 4.6% from the previous quarter.
Its largest purchases by value were Miami International Holdings, Inc. ($4.40M), GOLUB CAPITAL BDC, Inc. ($491.54K), Space Exploration Technologies Corp ($319.51K). It opened 11 new positions.
Its largest sales by value were Texas Pacific Land Corp ($2.13M), Berkshire Hathaway Inc ($1.95M), LandBridge Corp ($920.21K). It exited 1 positions entirely.
From the Form 13F-HR reports One Charles Private Wealth Services, 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.