White Pine Investment Co. has filed its Form 13F-HR report, disclosing the firm's equity portfolio as of the close of business on September 30, 2026. The filing, signed by Partner Stefanie Porter, lists a total of 70 holdings valued at $480,277.
The portfolio is heavily weighted toward large-cap technology and energy companies. Berkshire Hathaway Inc. CL B is the largest holding, with 33,441 shares valued at $67,158. Apple Inc. is the second-largest position, with 12,876 shares valued at $38,666. Other major technology holdings include Microsoft Corp., Meta Platforms Inc., and NVIDIA Corp.
Energy exposure is also significant, with Marathon Petroleum Corp. holding 16,363 shares valued at $41,382 and Chevron Corp. holding 7,228 shares valued at $35,393. The portfolio also includes substantial positions in financial institutions such as JPMorgan Chase & Co., Morgan Stanley, and Goldman Sachs.
The filing indicates that all positions are held as sole voting power, with no shared voting or dispositive rights reported for the listed securities.