SIR Capital Management significantly reduced its investment in Corning Inc. (GLW), cutting its holdings by 88.62% in the second quarter of 2026. According to a delayed 13F filing dated August 14, 2026, the firm sold approximately 63,000 shares, reducing its position to just 8,090 shares. This disclosure reflects trading activity that occurred between April and June 2026.
The reduction in SIR Capital's stake contrasts with a strong quarterly performance by Corning. The company reported a 17% year-over-year increase in core sales for the second quarter and a 30% rise in core EPS. Corning also highlighted significant growth in its Optical Communications segment, driven by demand related to artificial intelligence.