PIMCO Income Opportunity Fund: insider trades · United States · SEC (Form 4)

About PIMCO Income Opportunity Fund

PIMCO Income Opportunity Fund (ticker PKO) was a U.S.-listed closed-end fund that traded on the NYSE in the United States. PKO no longer exists today as a standalone listed vehicle: PIMCO completed the reorganization of PKO into PIMCO Dynamic Income Fund (PDI) in December 2021. Even so, PKO remains relevant for investors and analysts because it illustrates PIMCO’s approach to income-oriented credit investing, its distribution model, and its role within the broader PIMCO closed-end fund platform. PKO was managed by Pacific Investment Management Company LLC (PIMCO), a global fixed-income specialist founded in 1971 in Newport Beach, California. PIMCO is headquartered in Newport Beach and operates a global network of offices across major financial centers. The firm describes itself as a global leader in active fixed income, with expertise spanning public and private markets and a long-standing, research-driven investment process. That institutional backdrop is central to understanding PKO: the fund was effectively a branded implementation of PIMCO’s credit and income capabilities rather than a standalone operating business. From an investment perspective, PKO belonged to the PIMCO family of closed-end funds focused on generating current income. Its mandate was to pursue a high level of income through a broad, opportunistic allocation across fixed-income sectors. In practice, that type of strategy typically draws on investment-grade and below-investment-grade credit, mortgage-related securities, asset-backed securities, and other income-generating bond exposures, with active management used to navigate duration, credit quality, liquidity and sector rotation. This multi-sector flexibility was a key competitive differentiator versus more constrained bond products. In market terms, PKO’s value proposition was not industrial growth but yield generation, portfolio construction and disciplined credit selection. The competitive position came from PIMCO’s scale, analyst depth, trading resources and reputation in fixed income. For income-focused investors, especially those comparing U.S. closed-end funds, the PIMCO franchise has historically been associated with strong brand recognition, active risk management and regular distributions. PKO fit squarely within that framework. Recent history is dominated by the December 2021 reorganization, when PKO and PCI were acquired by PDI in exchange for newly issued PDI shares. Since then, the most relevant “recent” news for PKO has been the legacy status of the fund and ongoing activity across PIMCO’s closed-end fund complex, including monthly distribution announcements and broader platform management updates. For investors in French-speaking markets, PKO is best understood as a former NYSE-listed PIMCO income vehicle from the United States, useful as a reference point for evaluating PIMCO’s credit-income strategy and closed-end fund structure.