White Pine Investment CO reported 30 positions worth $182.36M for the quarter ended Sep 30, 2026, up 4.5% on the prior quarter. It opened 2 new positions, added to 4, trimmed 19 and exited 6. Its largest holding is Berkshire Hathaway Inc at 18.3% 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 |
|---|---|---|---|---|
| NVDA Nvidia Corp | +1,184 | +4.3% | $270.39K | 3.62% |
| V Visa Inc. | +578 | – | $208.00K | 0.114% |
| XOM ExxonMobil Holdings Corp | +1,240 | – | $202.00K | 0.111% |
| TSLA Tesla, Inc. | +431 | +60.6% | $152.85K | 0.222% |
| NEE Nextera Energy Inc | +820 | +1.2% | $62.11K | 2.92% |
| DTE Dte Energy Co | +4 | +0.2% | $486.58 | 0.112% |
| Holding | Change | Change % | Trade Value | Weight |
|---|---|---|---|---|
| MPC Marathon Petroleum Corp | -3,228 | -7.2% | $1.28M | 8.97% |
| PAYX Paychex Inc | -9,953 | -100.0% | $979.00K | Exited |
| GOOGL Alphabet Inc. | -2,098 | -2.7% | $721.89K | 14.51% |
| MSFT Microsoft Corp | -605 | -2.4% | $310.31K | 7.02% |
| BRK-B Berkshire Hathaway Inc | -574 | -0.8% | $285.82K | 18.34% |
| SFM Sprouts Farmers Market, Inc. | -3,923 | -6.0% | $260.31K | 2.26% |
| MS Morgan Stanley | -1,188 | -2.7% | $223.45K | 4.43% |
| SOLS Solstice Advanced Materials Inc. | -2,513 | -100.0% | $223.00K | Exited |
| SBUX Starbucks Corp | -2,114 | -100.0% | $216.00K | Exited |
| LRCX Lam Research Corp | -480 | -100.0% | $208.00K | Exited |
| Holding | Shares Sold | Trade Value | Prior Weight |
|---|---|---|---|
| PAYX Paychex Inc | -9,953 | $979.00K | 0.561% |
| SOLS Solstice Advanced Materials Inc. | -2,513 | $223.00K | 0.128% |
| SBUX Starbucks Corp | -2,114 | $216.00K | 0.124% |
| LRCX Lam Research Corp | -480 | $208.00K | 0.119% |
| SYK Stryker Corp | -660 | $208.00K | 0.119% |
| CSCO Cisco Systems, Inc. | -1,734 | $204.00K | 0.117% |
| # | Activity | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | BRK-B Berkshire Hathaway Inc | Financial Services | 67.2K | $33.44M | 18.34% | -574 | -0.8% | Reduced | 0% |
| 2 | GOOGL Alphabet Inc. | Technology | 76.9K | $26.47M | 14.51% | -2,098 | -2.7% | Reduced | 0% |
| 3 | MPC Marathon Petroleum Corp | Energy | 41.4K | $16.36M | 8.97% | -3,228 | -7.2% | Reduced | 0.01% |
| 4 | AAPL Apple Inc. | Technology | 40.4K | $13.46M | 7.38% | -502 | -1.2% | Reduced | 0% |
| 5 | MSFT Microsoft Corp | Technology | 24.9K | $12.79M | 7.02% | -605 | -2.4% | Reduced | 0% |
| 6 | META Meta Platforms, Inc. | Technology | 15.6K | $11.30M | 6.19% | -181 | -1.1% | Reduced | 0% |
| 7 | JPM Jpmorgan Chase & Co | Financial Services | 28.3K | $9.35M | 5.13% | -403 | -1.4% | Reduced | 0% |
| 8 | AMZN Amazon Com Inc | Consumer Discretionary | 36.3K | $9.05M | 4.96% | -388 | -1.1% | Reduced | 0% |
| 9 | MS Morgan Stanley | Financial Services | 42.9K | $8.07M | 4.43% | -1,188 | -2.7% | Reduced | 0% |
| 10 | CVX Chevron Corp | Energy | 35.4K | $7.23M | 3.96% | -589 | -1.6% | Reduced | 0% |
| 11 | NVDA Nvidia Corp | Technology | 28.9K | $6.60M | 3.62% | +1,184 | +4.3% | Added | 0% |
| 12 | LH Labcorp Holdings Inc. | Healthcare | 17.8K | $5.47M | 3% | -135 | -0.8% | Reduced | 0.02% |
| 13 | NEE Nextera Energy Inc | Utilities | 70.4K | $5.33M | 2.92% | +820 | +1.2% | Added | 0% |
| 14 | SFM Sprouts Farmers Market, Inc. | Consumer Staples | 62.0K | $4.11M | 2.26% | -3,923 | -6.0% | Reduced | 0.07% |
| 15 | VZ Verizon Communications Inc | Communication Services | 82.6K | $3.79M | 2.08% | -1,879 | -2.2% | Reduced | 0% |
Tip. Select a row to see that position’s full history at White Pine Investment.
As of its Q3 2026 13F filing, White Pine Investment CO’s five largest positions were Berkshire Hathaway Inc (BRK-B) at 18.3%, Alphabet Inc. (GOOGL) at 14.5%, Marathon Petroleum Corp (MPC) at 9.0%, Apple Inc. (AAPL) at 7.4%, Microsoft Corp (MSFT) at 7.0% of the reported portfolio.
White Pine Investment CO reported a 13F portfolio worth $182.36M across 30 positions for Q3 2026. That is up 4.5% from the previous quarter.
Its largest purchases by value were Nvidia Corp ($270.39K), Visa Inc. ($208.00K), ExxonMobil Holdings Corp ($202.00K). It opened 2 new positions.
Its largest sales by value were Marathon Petroleum Corp ($1.28M), Paychex Inc ($979.00K), Alphabet Inc. ($721.89K). It exited 6 positions entirely.
From the Form 13F-HR reports White Pine Investment CO 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.