State Controller John Chiang wrote Bristol-Myers Squibb this month to urge the company to join other pharmaceutical companies that have found ways to reduce the cost of drugs to California.
The giant California retirement funds CalPERS and CalSTRS, which have investments in Bristol-Myers Squibb, also sent letters urging a cut in the cost of the anti-retroviral drug.
Bristol-Myers Squibb accounts for about 30 percent of all drugs purchased in California to treat AIDS patients.